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单词 Anhydrous
例句
(1) Anhydrous caustic soda, hydrogen gas and phosgene, all well established product areas, are being developed to produce maximum returns.
(2) Ammonia, also known as anhydrous ammonia, a colorless liquid.
(3) Spec: Dihydrate and anhydrous standards.
(4) Anhydrous ammonia is an excellent example.
(5) Anhydrous nitric acid is dissociated.
(6) Anhydrous hydrogen chloride is considered non - corrosive.
(7) However, anhydrous ammonia is also toxic, corrosive, and flammable.
(8) This article described the crystal model of anhydrous sodium sulfate in DTB crystallizer.
(9) DOF was prepared by using anhydrous cupric sulfate as an esterification catalyst of fumaric acid with isooctyl alcohol.
(10) Anhydrous hydrogen chloride is considered non - corrosive. In the presence of moisture it will form hydrochloric acid.
(11) This paper reports the function of anhydrous potassium fluoride and acetonitrile in C-alkylation of active methylene group of acetoacetic ester.
(12) Both the partial condensation technique and the anhydrous ethanol reflux azeotropic distillation technique show great advantage in energy saving according to the simulation results.
(13) H 2 O can turn anhydrous copper ( II ) sulphate solid from white to blue.
(14) The p-ethylacetophenone was synthesized with acetylated, ethylbenzene and anhydrous aluminium chloride, then was oxidized top-ethylbenzoic acid with iodoform reaction.
(15) The principle and method of producible anhydrous alcohol by the way of ion-exchange membrane electrophoresis are reported.
(16) Anhydrous ammonia must be incorporated ( and well sealed ) in all crops.
(17) Production of anhydrous alcohol by constant boiling rectification method has already presented its advantages such as highly-developed mechanization, high yield, high quality and low production costs.
(18) Analog calculation of az eo tropic rectification tower in the process of anhydrous alcohol was done.
(19) The paper introduces a new method for the preparation of anhydrous plumbous acetate in the laboratory which is very convenient and saves time.
(20) Conclusion The occlusion of peripancreatic arteries and intratumoral injection of anhydrous alcohol provide an effective way for the treatment of advanced pancreatic cancer.
(21) Itch Stopping and Skin Refreshing TypeIngredients: Green tea, hypericum honey, chamomile, mint, natural essence oil, sodium sulphate anhydrous, sodium bicarbonate.
(22) Methods: Samples were extracted by methylene chloride , dehydrated by anhydrous sodium sulfate and determinated by GC - MSD.
(23) The control effects of essential oils extracted from Xanthium sibiricum, China wing nut and Melia azedarach L by anhydrous ethanol on Sitophilus Oryzae adults were investigated in this paper.
(24) Aluminium borate melting block was prepared combination of boric acid, anhydrous alum and potassium sulfate.
(25) The catalyst carrier for biomass pyrolysis was prepared by red mud, ash and anhydrous sodium carbonate.
(26) A new type filler, PTFE ladder Rasching ring is designed and used in the washing tower of anhydrous hydrofluoric acid equipment, properties of this filler is also analyzed.
(27) Fluorocarbon alkyl sulfosuccinate monoester surfactants was synthesized on the basis of carochefluorohepnonyl, maleic anhydride and anhydrous sodium sulfite as starting materials.
(28) Perfluorotriethylamine is fabricated through electrochemical fluorination of triethylamine in anhydrous hydrogen fluoride under a certain condition.
(29) Humic Acid, Nitro-Humic Acid, Potassium Humate, Sodium Humate, sodium Sulphate Anhydrous, Caustic Soda, Cron Starch, Ammonium Bicarbonate.
(30) is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.
(31) Cyclohexyl acetate was synthesized from acetic acid and cyclohexanol with anhydrous aluminum chloride as catalyst.
(32) A new method related to the carbonylating synthesis of 3,5-dimethylbenzaldehyde was studied using o-xylene and CO as the raw materials and anhydrous AlCl3 as the catalyst.
(33) The causes of occurring hangings-up during the production of anhydrous ferric chloride by high temperature chlorination process are discussed as well as preventative measures.
(34) Preparation: empty cartridge , syringes, anhydrous alcohol, even for the exclusive use of ( preferably ).
(35) Hydrogen partition coefficients between nominally anhydrous minerals and basaltic melts.
(36) And the results were anhydrous sodium sulfite 0.2%, sodium lauryl sulfate 7%, fatty alcohol polyoxyethylene lauryl ether sulfate sodium 12% and dodecyl betaine 4%.
(37) The behaviours, use and process technology of anhydrous sodium metasilicate, emphatically the fluid-bed, spraying and fixed-bed drying processes, are reviewed.
(38) The calcium sulfate whisker is a fibrous monocrystal of calcium sulfate dihydrate, calcium sulfate hemihydrate or anhydrous calcium sulfate.
(39) ANHYDROUS is produced from fresh milk which is Separated and disinfected and press homogenize.
(40) The mixture mentioned had a good anhydrous and transparent effect.
(41) In the United States, anhydrous ammonia is shipped as Nonflammable Gas, Class 2.1.
(42) The synthesis of lithium chloroaluminate by melting reaction in dry air is introduced. In which, anhydrous lithium chloride and anhydrous aluminium chloride are as raw materials.
(43) The solubility of such a solvate may markedly differ from the nonsolvated form; eg, anhydrous ampicillin has a greater rate of dissolution and absorption than its corresponding trihydrate.
(44) Another way was to combine directly anhydrous piperazine with 2,3-dichloro- bromobenzene through Ullmann reaction.
(45) In this method a one-pot reaction of diaryl ketone and zinc powder in ether under the influence of anhydrous aluminium chloride is employed.
(46) The invention relates to a novel method of preparing anhydrous crystalline maltitol.
(47) In some ways, anhydrous ammonia is just as safe to handle as gasoline.
(48) This article aims to evaluate the safety and curative effect of treating the liver hydatid by injecting anhydrous ethanol hypodermically under the CT guide.
(49) When the complex of anhydrous zinc acetate with 1,5-naphthalene diamine was formed,[http:///anhydrous.html] the anhydrous zinc acetate changed from a bidentate ligand to a unidentate ligand.
(50) Substitute anhydrous gypsum for dihydrate gypsum in Potland cement production to study the effect of anhydrous gypsum on performance of Potland cement.
(51) The effect of electrocast zirconia and monocline zirconia and two types of binders(anhydrous and un-hydroxyl resin and liquid paraffin)on the sintering of fired magnesia-calcia brick are investigated.
(52) Aqueous ammonia must be hydrolyzed in order to be used, but it is substantially safer to store and transport than anhydrous ammonia.
(53) Anhydrous hydrofluoric acid and hydrofluoric acid in aqueous solutions range in appearance from colorless to tinted.
(54) The calcium sulphate dihydrate whisker is treated by microwave heating, forming calcium sulfate hemihydrate or anhydrous sulphate of calcium after dehydration.
(55) The massecuite thus obtained is then separated into anhydrous crystals of maltitol and mother liquor by conventional separation methods.
(56) Objective To discuss the feasibility and indications of cystoscopic injection of anhydrous alcohol in the management of vesicovaginal fistula.
(57) Benzyl chloroformate was synthesised from benzyl alcohol and bis(trichloromethyl) carbonate(BTC) and in the presence of anhydrous C as catalyst.
(58) Lithium salt, its prep. , anhydrous electrolyte and electrochemical cell.
(59) Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst.
(60) Benzene, cyclohexane and normal pentane etc. are frequently used as entrainers in industrial production of anhydrous alcohol through constant boiling and fine distillation.
(61) The fluorspar is mainly used in chemical industry, as main raw material to produce anhydrous hydrofluoric acid and as the basic raw material of fluoration chemistry.
(62) Natural gas is the primary input utilized to manufacture anhydrous ammonia and typically accounts for 80 percent to 90 percent of all input costs, " says Francl."
(63) A new pesticide intermediate 3-Bromobenzaldehyde was prepared from benzaldehyde and bromine with anhydrous alchlor as the catalyst in 1,2-dichloroethane solvent.
(64) The technique of two links of dehydration and transparency were improved. Routine dehydrant and transparent agent were replaced with mixture of n-butyl alcohol and anhydrous alcohol.
(65) The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.
(66) The dicalcium phosphate anhydrous so produced by the above process is also disclosed.
(67) The treatment of wool under anhydrous conditions with potassium tert - butoxide solution is studied.
(68) Chemical: - 1 . Sodium Sulphate Anhydrous 2. Phosphoric Acid 3. Soda ash Dense and Light Chemicals - Additives.
(69) This article presents an improved method to determine the anhydrous chromic chloride content with alkaline process. This method is easy to perform, and does not cause any harmful gas.
(70) Oxidizing agent was prepared by means of anhydrous manganous acetate dissolved in glacial acetic acid and oxidized to divalent manganic salt by potassium permanganate.
(71) A new method to determine ferrum in anhydrous hydrazine by graphite furnace atomic absorption spectrometry was set up.
(72) Methanol dehydrogenation is a promising route for commercial production of anhydrous formaldehyde.
(73) This invention is improved production method for ammonia spirit or anhydrous ammonia.
(74) Treatment method: Use anhydrous ethanol of a little adhesional wetting of dry and clean cloth or aviation gasoline,[Sentencedict] clean the ruler body and protect the surface of membrane.
(75) Methyl isonicotinate was synthesized using isonicotinic acid and anhydrous methanol as raw materials in presence of solid super acid as catalyst.
(76) Advantages and disadvantages of the SNCR denitrification systems were separately compared by using different reactants, such as aqueous ammonia, anhydrous ammonia and urea etc.
(77) The yield of anhydrous plumbous acetate is also very high.
(78) Then scrub with anhydrous alcohol cotton ball circuit boards, gently wipe with a dry cloth interior line group, and finally hair dryer and then dried.
(79) A process for synthesis of short line alkyl polyglycosides from butyl alcohol and anhydrous glycose at different temperature and catalyst were studied.
(80) Lead Zirconate Titanate ceramic material has been prepared by sol-gel method with Titanium butoxide, Zirconium alkoxide and anhydrous lead acetate.
(81) Conclusion The anhydrous alcohol with low basic substances was the best suitable for nitroglycerin injection.
(82) Acute gastric mucosal injury model was established by anhydrous ethanol gavage.
(83) Anhydrous calcium chloride is used as the catalyst for preparing n - Butyl lactate formnte.
(84) Cyclohexene was synthesized by dehydration of cyclohexanol with anhydrous aluminum chloride as catalyst.
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