1, The contamination problems extend beyond formaldehyde.

2, All drainage, which will contain some formaldehyde solution, is drained into closed vessels.

3, Variable patterns of formaldehyde exposure may well account for this inconsistency in relation to other workers in formaldehyde-based industries.

4, Information regarding variable ventilation efficacy and levels of formaldehyde and micro-organism concentrations were sought.

5, Excessive formaldehyde levels have posed a problem before at the tunnel site.

6, Try spider plants, as they absorb formaldehyde, which is found in synthetic carpets, underlay, chipboard and wood treatments.

7, Formaldehyde in high concentrations can cause extreme irritation of the eyes, nose and throat if inhaled.

8, Smoke contains benzene, nitrosamines, formaldehyde and hydrogen cyanide.

9, Raw materials are n - butyl aldehyde and formaldehyde.

10, Sulfur dioxide and formaldehyde both produce irritation.

11, Objective: To test sodium formaldehyde sulfoxylate in food.

12, The hospital smelled of formaldehyde and ether.

13, TKO series products are p- tert-octyl phenol formaldehyde resins.

14, CONCLUSION The sodium formaldehyde sulfoxylate to possesses stronger antioxidant activity in weak acid solution than in neutral and alkaline ones.

15, Common ingredients likely to contaminate products with formaldehyde include quaternium-15, DMDM hydantoin, imidazolidinyl urea and diazolidinyl urea.

16, The non - formaldehyde dye fixative agents are classified. The dye fixative theory and synthesized methods are introduced.

17, Formaldehyde, black rubber mix mainly caused the skin damage on hand, and merthiolate on face.

18, His most famous artistic offering consists of a dead shark floating in a tank of formaldehyde.

19, Instruments All instruments should be immersed in either a suitable disinfectant or minimum 5 percent formaldehyde solution as soon as treatment has been completed.

20, This enzyme converts methanol into a closely related molecule: formaldehyde.

21, The temperature was cool and the air was scented with formaldehyde,(http:///formaldehyde.html) that acrid deodorant for the deceased.

22, Chipboard and other pressed wood products are made with a resin containing formaldehyde, an irritant and suspected carcinogen.

23, All the clothes were unused looking and old, as if kept for years in jars of formaldehyde.

24, They offered no explanation for why they failed to mention the excessive airborne formaldehyde last week.

25, He had developed a vaccine using virulent forms of polio that were then killed with formaldehyde and injected.

26, This time its offerings include a dead shark floating in a tank of formaldehyde.

27, He picked up a jar large enough to hold a fetus in formaldehyde.

28, Supersonic technique was introduced into synthetic route of resorcinol - formaldehyde ( RF ) aerogel to shorten the fabrication period.

29, Detection method of anti-moth, anti-mildew and volatile matter eg, formaldehyde, chlorphenol, organic chlorine, cypermethrin in finishing agent is introduced.

30, The dipping solution (DS) of nylon-66 cord fabric contains latex, resorcinol, formaldehyde, ammonia, ethene and butyl benzene. The COD content and turbidity in DS wastewater are very high.

31, A furancarbinol urea formaldehyde having suitable viscosity was synthesized which used the urea, formaldehyde, and furfuralcohol as raw materials und the suitable conditions.

32, A non - formaldehyde self - cross-linking acrylic emulsion has been prepared by seed emulsion polymerization.

33, The preparation of microcapsules of bio-pesticide rotenone by means of in-situ polymerization, with melamine formaldehyde resin(MF) as the shell material, is discussed in this paper.

34, This invention first time uses ionic liquid as catalyst to compose metaformaldehyde of formaldehyde. Catalyst can be supplied for circular use for continuous sample introduction.

35, Meanwhile TG - DSC show furfural to raise the urea - formaldehyde resin resistance foaming.

36, A method, combined with spectrophotometry, for determining formaldehyde content of interior architectural coatings with acetylacetone as developer was proposed.

37, Severe air conditionersute respiratory syndromes, swine flu, micro-organism, fungus, virus, suspended particles, formaldehyde, volatile organic compounds.

38, Process engineering and process parameter of formaldehyde tanning of tibet lamb were discussed paper.

39, Methods The inguinal structure of 40 adult corpses(30 males, 10 females) fixed by formaldehyde was measured with set square, protractor and vernier caliper.

40, One new retanning agent was synthesized by adipic acid, diethyenetriamine, epichlorohydrin, phenol, and formaldehyde.

41, A capillary gas chromatographic method with directly sampling was established to determine the residual amount of formaldehyde in hydrochlorothiazide.

42, The yield of formaldehyde of aliphatic saturated hydrocarbon was a fat lot which could be neglected.

43, An improved sample preparation method coupled with HPLC system was performed to determine the formaldehyde in raw Lentinus edodes.

44, A oxazolidine carboxylic acid tanning agent-MOCA has been synthesized by condensing DL-threonine with formaldehyde.

45, If formaldehyde releases a quantity those who reach national level is inferior, big core board, plywood, beaverboard .

46, Like any other, the hospital smelled of formaldehyde and ether.

47, Objective To investigate the contaminated condition of formaldehyde, benzene series, radon in doors air of newly decorated residences.

48, This paper describes intensity property of joined timber with urea - formaldehyde resin.

49, Observing estrous cycle is the estimation index that can be used to judge the damage on reproduction endocrine of formaldehyde .

49, try its best to gather and create good sentences.

50, Say in findings report, the chemical contaminant that exists generally in French household is acerbity salt of formaldehyde, aldehyde, phthalein and DDVP.

51, Gasoline, diesel oil, LPG, oil of softening jute, formaldehyde, hexamine, ethyl formate and other chemical reagents.

52, The method for the determination of formaldehyde in water-base coating and adhesive by acetylacetone spectrophotometry was set up.

53, The synthesis process of o-cresol formaldehyde epoxy resin was introduced and the factors affecting the synthesis reactions were discussed in this paper.

54, Objective: to explore the mensuration of formaldehyde and sodium formaldehyde sulfoxylate for food.

55, Copper was reduced by formaldehyde which was contained in the effluent of chemical copper plating, and EDTA in the effluent was reclaimed after acidify.

56, Objective To explore the effects of inhalant formaldehyde on lipid peroxidation in mice.

57, The acetylacetone spectrophotometric method was applied to determine formaldehyde content in epoxy phenolic resin coating on the internal wall of food can.

58, Or methanal Formaldehyde (37%) in water solution, called formalin, is used as a preservative, an embalming agent, and a disinfectant .

59, An amine or amino resin is the alkylated reaction product of urea or melamine and formaldehyde.

60, Cardanol - aldehyde ferric polymers were prepared by condensation polymerization with formaldehyde, n - butyl aldehyde, furfural and iron trichloride.

61, The catalyst has efficient, continuous and lasting purification functions to organic volatile matters, such as formaldehyde, benzene series, and the like and bacilli in room air.

62, Conclusion Peracepic acid can replace formaldehyde to sterilize dialyzer and it is safe as well as effective.

63, The formaldehyde gas containing the methanol respectively enters the dealcoholization tower and the formaldehyde absorption tower through the formaldehyde gas pipes.

64, The catalyzation mechanism of purifying formaldehyde by the enzyme - catalyzer and the reaction course are researched.

65, The products of methanol photocatalytic reaction included carbon dioxide, water, formaldehyde and methyl formate.

66, Researchers studied the process conditions for synthesizing superlow formaldehyde etherified resin by etherifying 2D resin with polylol and the factors influencing free formaldehyde from resin.

67, FD is a kind of re tanning agent condensated with glyoxal, formaldehyde, carboxylic acid and urea.

68, This article analyses the reasons of the indoors air pollution production and brings up the pollution mainly consists of formaldehyde, benzene series, ammonia and radon.

69, Object : To investigate the validation method of formaldehyde suffocating sterilization in sterile formulation production environment.

70, Second - hand contains carbon monoxide, ammonia, formaldehyde,() benz [ a ] pyrene and nitrosamines. These chemicals can harm your children.

71, Melamine and formaldehyde in aqueous solution in which the response is the most important.

72, The smell of death made everyone cover their faces until someone finally brought out a jug of formaldehyde and started splashing it all over the body bag.

73, For plywood, about 40 % formaldehyde emitted from the edge of the panel.

74, Non - formaldehyde finishing of cotton with glyoxal and the properties of the treated product are discussed.

75, In this paper, FDNB method, UV-spectrophotometry, Formaldehyde reaction-titration method and Viscometry were tried to use in measuring the gelatin hydrolysis degree in the process of the reaction.

76, Gain Modified urea formaldehyde resin foam plastics by the carbonic acid hydrogen ammonia.

77, Electroless copper depositing processess are controlled by the kinetics of formaldehyde oxidation reaction, which donate electron for the cathodic reduction of cupric ions.

78, O-Phenylphenol react with sulfuric acid, formaldehyde and ferric iron to form a red colour compound.

79, DTPA was synthesized with sodium cyanide, formaldehyde and diethylenetriamine under the different conditions. Thus the best reaction condition was got.

79, Wish you can benefit from our online sentence dictionary and make progress every day!

80, The melamine and the formaldehyde produced etherified hexamethylolmelamine resin by methyllolation and etherification.

81, Even if is price low-down shop also can be taken out " do not contain the harmful material such as benzene, formaldehyde, heavy metal " propagandist material.

82, It is noted that the preparation and utilization condition for fuchsin-sodium sulfite can influence the stability of the reagent and the sensitivity of rapid detection for formaldehyde.

83, Other than releasing oxygen in the air, money plant can also eliminate formaldehyde from the air that is commonly released by cigarette smoke and adhesives (used with wood furnishings).

84, Severe acute respiratory syndromes, swine flu, micro-organism, fungus, virus, suspended particles, formaldehyde, volatile organic compounds.

85, You may find two kinds of toxic chemicals including formaldehyde and resolvable toxic aromatic amine dyes.

86, The effects of the concentration of formaldehyde, the time and the condition of seal or no seal for storing formaldehyde treated soybean flour on the degradation of crude protein were significant.

87, For example: Heavy lead, fusel oil, formaldehyde, methyl alcohol and so on.

88, Tiaogan gold oil by phenol - formaldehyde resin, drying oils, mineral oil, etc.

89, Using inorganic base as a catalyst, 2,2-dimethylolbutyraldehyde was prepared by the aldol condensation from formaldehyde and butyraldehyde.

90, The preparation of 2,2-dimethyl-3-hydroxy propanal from the condensation of formaldehyde and i-butyraldehyde by using triethylamine as catalyst was studied.

91, Silver bud taro Chlorophytum, aloe vera, sansevieria absorption of formaldehyde.

92, A cation aminomethylation polyacrylamide which reacted with formaldehyde and amine was prepared by Mannich reaction.

93, The effects of treating soybean meal(SBM) and cottonseed meal(CSM) with formaldehyde at 0.5% and 0.7% of CP content respectively, which lied on CP degradability in the rumen were investigated.

94, In addition very important is, must hear the flavour of furniture interior, the content of the formaldehyde in showing agglutinant that has intense exciting taste exceeds bid.

95, The formaldehyde - free flame retardant finish of cotton fabric with ammonium polyphosphate ( APP ) was researched.

96, The research dynamics and development trends of O-cresol Formaldehyde Epoxy Resin and its manufacture status and the existing gap between home and abroad was reviewed.

97, Gathered viscus tissues of nude mouse, fixed with 0% dampen formaldehyde solution, paraffin embed, routine HE stained and morphology observed by microscope.

98, Detection of formaldehyde content in epoxy phenolic resin coating for the interal lacquer of food cans by acetylacetone spectrophotometric analysis method was studied.

99, Polycarboxylic acids, as non - formaldehyde, Crease-resistant finishing agents, have the most brilliant prospect industry. Among them, 1,2,3,4 - Butaneteracarboxylic acid (BTCA) is the best one.

100, Fluorine containing aniline resin was synthesized by polycondensation of 2 TriFluoromethyl aniline with formaldehyde.

101, Improvement on synthesis process and additives was made to develop a new type of resin binder with low content of formaldehyde, high strength and low costs.

102, Copolymers of cardanol and formaldehyde as well as coordinated polymers based on these copolymers and metal compounds, all are high-performance or functional polymers.

103, However, as the PS version photographicsensitive cutan - alkali poor performance of phenol - formaldehyde resin, caustic etch and dissolved.

104, An effective method was developed for determination of formaldehyde in detergent by using steam distillation extracting combined with acetylacetone -colorimetric method.

105, Formaldehyde is widely used in vinylite, plastic, rubber, paper making, pharmacy, and antisepsis and so on.

106, Objective To establish a simple, rapid method for determining the concentration of formaldehyde in indoor air by 2 order differential single sweep polarography.

107, Large surface area and strong absorptive power. High speed in absorbing diversified pernicious gases such as benzene, formaldehyde and ammonia. Regeneration in short time.

108, In my search for a nail polish with less toxins I came across Loreal Jet Set and Loreal Steel Color which do not contain formaldehyde, toluene or dibutyl phthalate.

109, The cross - linking agent is formaldehyde, glutaraldehyde, glycol diglycidyl ether , propanediol diglycidyl ether,(Sentence dictionary) or butanediol diglycidyl ether.

110, Also can absorb the harmful gas such as hydrogen of formaldehyde, vulcanization, benzene, phenol, ether aloe, red-spotted stonecrop , Chinese rose, rose.

111, Neopentyl glycol is mainly used for making top-grade resin and powder coating, which is produced industrially by the condensation route using formaldehyde and isobutyraldehyde as raw materials.

112, Union benchmark as an interim reference point for the applicable maximum residue limits for formaldehyde.

113, An alkaline solution of the sample is treated with acid bleached rosaniline and formaldehyde.

114, Press crop computation, formaldehyde kind before colophony glue and latex glue are resided 2.

115, Methods Effects of Paozhenling on abirritation was tested by using of ache model caused by acetic acid or formaldehyde in mice.

116, The acetylacetone is often used as developer in acetylacetone spectrophotometry for the detection of formaldehyde in the internal wall coating.

117, Melamine can make a flame retardant, water - reducing agent, formaldehyde cleaning agents.

118, The material is readily prepared by reaction of formaldehyde and hydrazine.

119, The major work of the paper as follows:1. Dioxoquinoxaline formaldehyde was synthesized for 3 steps reactions with o-nitroaniline as raw material.

120, In fabrics production, wait for action to achieve anti-creasing, shrinkproof , or to maintain wear of printing, colored, improvement feel, more need to add formaldehyde in auxiliary.

121, A series of color test are carried out to determine the influence of developing result at different time after preparing the acetylacetone on formaldehyde content measuring.

122, The behavior of formaldehyde emission from medium density fiberboard ( MDF ) is a function of time elapsed.

123, In this paper, 2,2-dimethylolbutyraldehyde was synthesized through the acetal reaction of formaldehyde and butyraldehyde, using silicotungstic acid as catalyst.

124, A better method of decreasing free formaldehyde and free phenol during the synthesis of phenolic resol resin was investigated.

125, Objective To study the methods for determination of formaldehyde in rongalite.

126, The methods for preparing structural material bonding agent by condensing the alkaline lignin in the wast liquor of soda pulping process with formaldehyde and phenol are described.

127, The thermal decomposition kinetics of carbinol - formaldehyde polymers has been studied by non - isothermal thermogravimetry.

128, Elementary reaction pathways of the reductants such as dimethylamine borane, hypophosphite ion, formaldehyde, and titanium trichloride were quantitatively examined in terms of the heat of reaction.

129, The effects of the decomposition temperature of zeolite catalyst on the Brosted acidity of HZSM-5 and the conversion and selectivity of formaldehyde were investigated.

130, The principle and specific methods of determination of formaldehyde in beer using polarographic analysis are introduced.

131, Respectively using barium hydroxide and a basic anion exchanger as a catalyst, 2,2-bis(hydroxymethyl) butyraldehyde is prepared from the Aldol condensation of butyraldehyde with formaldehyde.

132, Conclusion Formaldehyde that injected into abdominal cavity reveals significant oxidation damage heart and brain of mice.

133, The boron-modified benzoxazine was synthesized by formaldehyde, phenol, boric acid and diamine.

134, By studying the catalyst, mole ratio of phenol to formaldehyde and reaction time etc. , introducing the synthesis procedure of high-ortho novolak resin.

135, The conventional method was by the condensation reaction of formaldehyde and polyvinyl alcohol.

136, Glycoluril prepared under optimized process conditions has the following good properties of low content of free formaldehyde, durable and stable and crease-proofing.

137, The urea-formaldehyde resin is formed by the reaction of urea, formaldehyde, aldehyde, one or more stabilizers and modifier according to the route of weak base-weak acid-weak base.

138, This paper also indicated that the yield of formaldehyde may be increased obviously by adding some water to methylal.

139, After Vladimir Lenin died in 1924(), his brain was preserved in a formaldehyde solution.

140, You know, artificial boards are a source of the pollutant formaldehyde.

141, Limitations: If resins containing formaldehyde are used to control shrinkage, the product is unlikely to meet the Nike adult requirement of 75 ppm.

142, Microcapsules of pendimethalin with a urea - formaldehyde resin wall were prepared by anon - situ condensation polymerization aqueous medium.

143, To increase the U-F resin's curing speed and decrease the free formaldehyde, adopting two-times polymerize.

144, Methods The content of formaldehyde in rongalite was determined by sulfurous acid, magenta and acetylacetone spectrophotometry respectively.

145, Xylene was used to induce mouse ear swelling, formaldehyde was used to induce mouse foot swelling and ice-acetic acid was used to increase blood capillary leakage in mouse abdominal cavity.

146, Bronopol was synthesized from nitromethane and formaldehyde by hydroxyalkylation and bromination in the presence of alkali.

147, The possibility of preparation of methylal from methanol and formaldehyde through slurry catalytic distillation catalyzed by acidic cation exchange resin with large size pores is discussed.

148, Discomposes harmful gas quickly such as formaldehyde, benzene, ammonia and have no side effect.

149, Soybean flour was treated with 0.35% formaldehyde. The release rates of amino acids and ammonia from it were decreased in vitro.

150, The influences of preparation method, the calcined temperature and auxiliary forming reagent on the activity of the Fe Mo Co O catalyst for oxidation of methylal to formaldehyde were studied.

151, According to the AIM and NBO analysises, hydrogen bond between thymine and formaldehyde plays an important role in stabilizing the complex. Conformer (A) has the most stability in this work.

152, Overseas research progress of new process for synthesis glycerol from formaldehyde is introduced. Close relationship of the technology yielding with formose technique is reviewed.

153, The results showed the exposure surface of planets decreased by coating treatment, so the concentration of formaldehyde and benzene series in air reduced and were lower than the standard value.

154, A new curing agent was synthesized by the reaction of phenylamine - formaldehyde and dicyanodiamide.

155, The catalysis of resinic solid acid catalysts in catalytic distillation is studied for synthesis of methylal from methanol and formaldehyde.

156, The adhesive industry has focused on the research to produce UF resins with low free formaldehyde content (FFC) and with high agglutinative strength.

157, It mainly deals in the development and selling of "Methanol transformed to formaldehyde" and Polyformaldehyde products.

158, Tests with diphenylamine, formaldehyde, and staining with acridine orange as well as the curves of thermal denaturation showed that this strain of virus had a single stranded DNA.

159, The effects of the organic impurities such as formaldehyde(), methanol and lower alcohols on the hydrogenation of2 - butynediol are studied.

160, The application of acid catalysts in the coupling reaction of formaldehyde and methyl formate to form methyl glycolate and methyl methoxyacetate was investigated.

161, Moreover, the hatchability of the cysts collected naturally can be increased by soaking in 3% H_2O_2, 3% formaldehyde, or decapsulation treatment.

162, A new ketone resin is prepared from residuum of cyclohexanone rectification and formaldehyde with compound acid as catalyst, it is modified with pyromellitic dianhydride.

163, Synthesis organic cation polyelectrolyte dicyandiamide formaldehyde flocculant used in sludge treatment were studied in this paper.

164, Formula with Rochelle salt as the complexing agent and formaldehyde as the reducer for electroless copper deposition resulted in deposition with better washing property.

165, In this paper, lower polyformaldehyde and solid formaldehyde is distinguished by combining the productive method with the quality indexes of polymeric degree clearly.

166, AIM For further understanding the physiological and pathological significance of plasma semicarbazide-sensitive amine oxidase(SSAO) activity and endogenous formaldehyde.

167, Besides, the re-lease of formaldehyde from panels was very low.

168, The bedding that contains formaldehyde is met in use process gradually commentate go on a journey leaves formaldehyde.

169, Formaldehyde in the air could be removed by spider plant in a long-term period,(http:///formaldehyde.html) and the removal rate was higher in daytime than that in nighttime.

170, Tea-leaf is purely natural material, harmless and doesn't produce secondary pollution. Tea-leaf can eliminate formaldehyde that is because it contains same activation composition, s...

171, A fast chromatographic determination of formaldehyde and acetaldehyde from the feed - in of pentaerythritol production was reported.

172, The proposed method is simple and rapid and has been applied satisfactorily in the analysis of sodium sulfoxylate formaldehyde in some food samples.

173, While conventional adhesive will cause free formaldehyde because of using another self-crosslinking reactive monomer methylol acrylamide.

174, Besides reproduction toxicity and carcinogenicity, there were negative effects by formaldehyde to the respiratory, allergization, immunity, nerves and endocrine system of human body.

175, Objective : To optimize the preparing condition of formaldehyde dip method.

176, Amino-sulfonic acid series water-reducing agent was prepared with the materials ofp-aminobenzene sulfonic acid, phenol and formaldehyde by changing the technical parameters.

177, Carbon membrane supporter ( CMS ) is prepared from phenol - formaldehyde resin ( PFR ) cured by hexamethylenetetramine ( HMTA ).

178, This article demonstrates the pollution of formaldehyde in the micro-environment of modern integral ambry which leads to harm to human health.

179, The inactivation of enzyme by formaldehyde is a reversible reaction with remaining enzyme activity.

180, In this Nper, N-p-carboxylphenylmaleimide(P-CPMI)was synthesized and the curing reaction of o-cresol formaldehyde epoxy resin with it as cure agent was investigated.

181, The bisphenol F was synthesized by condensation reaction using phosphoric acid as catalyst, phenol and formaldehyde as feed stock under the non-solvent condition.

182, A new type of phenolic resin adhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol, phenylphenol, urea and formaldehyde.

183, Rats in normal control group were killed directly through air embolism, cleared and fixed with 10% formaldehyde solution for 15 days.

184, Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.

185, Melamine, urea and formaldehyde underwent hydroxymethylation and etherification to yield a composed resin glue of methyl-etherified hexahydroxy methylmelamine and methyl-etherified hydroxymethylurea.

186, In experimental plate formaldehyde release rate and release quantity: high density board.

187, Phenolic resin modified with zirconium and with high char yield was synthesized with formaldehyde, phenol and zirconyl chloride as raw materials.

188, As chemical feedstock, methanol can be used to produce dimethyl ether, ethylene, formaldehyde and various derivatives.

189, This study is the first to document the widespread presence of both formaldehyde and 1, 4-dioxane in bath products for children, including baby shampoos, bubble baths and baby lotions.

190, Dispersants such as lignin type, naphthalene sulfonate - formaldehyde condensates and polycarboxylic acids were introduced.

191, Contrary to industry statements, there are no regulatory standards that limit formaldehyde, 1, 4-dioxane or most other toxic chemicals in personal care products sold in the United States.

192, The absorption of modify hide glue on formaldehyde gas was researched.

193, Second - hand contains carbon monoxide, ammonia, formaldehyde a pyrene and nitrosamines.

194, The soil (including underground spider plant) contribution to formaldehyde purification was higher compared to aboveground spider plant.

195, Melamine - formaldehyde ( MF ) microcapsules containing LO were also prepared and treated on fabrics for comparison.

196, The base material was tailor made colloidal solution of dicyandiamide urea formaldehyde copolymer.

197, Formaldehyde and distillation are the nitrogen determination methods in the sample.

198, Result The top 5 chemical allergic resources of these patients were 0.1% thiomersalate, 5% nickel sulfate, 7% aromatic compound, 1% formaldehyde(water solution), 1% styrene.

199, This paper describes the development test of molel plate of larch plywood used urea formaldehyde resin.

200, The firming agent, coupling agent, and surfactant were screened. The optimum composition of emulsive urea - formaldehyde resin sand -consolidating agent was selected.

201, Effective preservatives. Use in waterborne or formaldehyde sensitive system. Non-solvent and formaldehyde free. Prevent the products from decompounding by microorganism.

202, Research indicates that is a novel non - formaldehyde durable press finishing agent worthy of research and development.

203, Pertinent to the regional status in Harbin, a study was carried out to investigate into the effect of ventilation, photocatalysis and ozonization on the reduction of indoor formaldehyde and ammonia.

204, The ionic effect that its crystal structure produces can mix the formaldehyde in air, benzene, alcohol the oxygen of hurtless of harmful material translate into such as the bacterium and water.

205, Several harmful VOCs may exist in old buildings insulating material has been used. ( Formaldehyde ).

206, Contrast test was done between rapid determination box and acetyl acetone method in determining formaldehyde in aquatic products and lixivium.

207, The method can be used to test sodium formaldehyde sulfoxylate in all foods.

208, The chemicals formaldehyde, toluene and dibutyl phthalate are used in most nail polishes.

209, Objective To explore the mechanism of formaldehyde ( FA ) inhalation induced lung injury.

210, This article studies a new method of determining trace formaldehyde by phloroglucinol . The application conditions of color reagent are investigated.

211, Catalytic synthesis of ketal by urushiol - formaldehyde neodymium polymer from cyclohexanone and ethanediol was studied.

212, A new method - dynamics photometric method was developed to measure trace formaldehyde in beer.

213, The free formaldehyde of the urea formaldehyde resin adhesive agent is the main pollution source of artificial board.

214, Practice results indicated that the content of formaldehyde in resin binder can be controlled less than1.8%and the mechanical properties completely satisfied the requirement of production.

215, Concerned expert has considered to want " E0 " the mark of the grade of formaldehyde set limit to that class regards aggrandizement wood as the floor, in bringing into level of new castigatory state.

216, Methanol dehydrogenation is a promising route for commercial production of anhydrous formaldehyde.

217, Shell molding of phenol formaldehyde resin coated sand has been widely used in foundry and with prospective future.

218, Bakelite resin which is produced by reacting phenol with formaldehyde is used to bind wood fibres in pressed wood such as medium-density fibreboard (MDF) and formica.

219, Formaldehyde 8 hydroxyquinoline sodium benzene sulfonate resorcinol copolymer described as chelating ion exchange resin was synthesized.

220, A dynamic chamber technique was employed to investigate the effects of formaldehyde concentration, light intensity and flow rate on formaldehyde purification from air by potted spider plant.

221, To study the subchronic toxicity of formaldehyde by inhalation in rats.

222, Leo Baekeland increased the amounts of formaldehyde and carbolic acid in the beaker and turned the flame higher than usual.

223, Formaldehyde is a carcinogen that has been shown to cause cancer in lab animals.

224, Its major uses are for organic synthesis, especially of formaldehyde, as an automotive antifreeze, as a solvent for cellulosics and natural resins, and as the principal denaturant for ethyl alcohol.

225, Color reaction with acetylacetone is used to determine the formaldehyde content in fabrics.

226, A method of preparing trimethylolethane from formaldehyde and propionic aldehyde in water was introduced in the presence of the base through cross Cannizzero reaction.

227, Effects of reaction condition in urea-formaldehyde resin production, especially during the acid stage, on the formaldehyde emission were discussed.

228, Sodium formaldehyde sulfoxylate in foods were tested by direct distillation - titration coupled with AHMT spectrophotometer.

229, Consequently , the study of low cost and low content of free formaldehyde and free phenol PF resin adhesives in production and use are pressingly required.

229, is a online sentence dictionary, on which you can find nice sentences for a large number of words.

230, As a polymer crosslinker, water soluble phenol - formaldehyde resin is widely applied in plugging oil reservoir.

231, A thermosetting resin made by a condensation reaction of a melamine derivative, trimethylolmelamine, C3N3(NHCH2OH)3, with formaldehyde.

232, Main types of indoor air pollution for formaldehyde, benzene caused by chemical pollution, biological pollution caused by bacteria and viruses radioelement and dust caused by the physical pollution.

233, The content of formaldehyde(HCHO)is an important assessed value in the state compulsory standard GB18401-2003. Therefore, inspecting accurately the HCHO content in textiles is very important.

234, OBJECTIVE To determine the constants of oxidation reaction rate between sodium formaldehyde sulfoxylate and oxygen in aqueous solutions.

235, Necowood interior wallboard is environment friendly, and without formaldehyde. Suitable for lobby, muti-functional room, club house and different kinds of resident background application.

236, As a result, Phenylhydrazine hydrochloride method was preferable detecting method for formaldehyde at present. This method could be selected by their characteristics.

237, The use of "formaldehyde sulfoxylate" can improve the appearance and taste of food. fans into formaldehyde sulfoxylate can make it tough, Smoothness and delicious, not white.

238, The processing technology of electroless copper plating on graphite powders by iron powder method and formaldehyde method were studied and evaluated.

239, To testify the liability of rapid determination box in determining formaldehyde in aquatic products and lixivium.

240, Cypermethrin microcapsules with urea - formaldehyde resin wall were prepared by in - situ polymerization process in aqueous medium.

241, Today, the Oregon Occupational Safety and Health Administration says it found significant amounts of formaldehyde in the hair straightener.

242, A novel adsorbent was prepared on the basis of collagen fiber by cross - linking reaction of formaldehyde.

243, A non - formaldehyde self - cross - linking acrylate binder has been prepared by seed emulsion polymerization.

244, Polymers are synthesized by reacting tung oil with resorcin first and then with 4 maleimidophenol formaldehyde resin.

245, Formaldehyde, acetaldehyde and acrolein are common aldehyde in the environment.

246, Allyl-functional benzoxazine is synthesized by the reaction of allyl phenol, phenyl amines, and formaldehyde.

247, With triethylamine as catalyst, 2,2-dihydroxymethylbutanal(DMB) was synthesized with formaldehyde and butyraldehyde taking place aldol condensation reaction.

248, The change trends of glutin isoelectric point after treated with THPC, formaldehyde and chrome salt were researched and the results showed that the tanning property of THPC was good.

249, The formaldehyde emission values existed obvious variation within the middle density fiberboard.

250, Indoor environment for thousands of varieties of hazardous substances, the most important are : radon, radioelement , formaldehyde, benzene, ammonia, PVC, nitrogen oxides and carbon oxides.

251, Using formaldehyde solution instead of mercurate, the environmental pollution was reduced.

252, The paper discussed in detail a method of determination of formaldehyde content in textileacetyl- propionyl .

253, The water resistant low formaldehyde content urea-formaldehyde resin was prepared by adding hydrophobic resin and formaldehyde collecting agent.

254, The paper has made a comparison of syntheses and properties between melamine urea formaldehyde resin and melamine resin.

255, Gathered viscus tissues of nude mouse, fixed with 10% dampen formaldehyde solution, paraffin embed, routine HE stained and morphology observed by microscope.

256, The formaldehyde in fur was extracted by artificial perspiration solution and the formaldehyde content in the extracted liquor was determined by acetylacetone spectrophotometric method.

257, Examples of fixatives are formaldehyde, osmium tetroxide, ethanol, and acetic acid.

258, N, N - bis - phosphonomethyl taurine ( BPMT ) was synthesized using taurine, formaldehyde and trichloride as raw materials.

259, Using inorganic base as a catalyst, 2,2dimethylolbutyraldehyde was prepared by aldol condensation from formaldehyde and butyraldehyde.

260, Tiaogan gold oil by phenol - formaldehyde resin, drying oils, oil, etc.

261, The ethoxyline resin is type A of bisphenol, cyclic hydrocarbon, linearity phenol formaldehyde and so on.

262, METHODS Plasma SSAO activity, methylamine hydrochloride(MA) and its metabolite formaldehyde(FA) concentrations were determined by HPLC after iv MA to mice, rats and rabbits.