1 Organic compounds contain carbon in their molecules.

2 Volatile organic compounds come from a wide variety of sources, both man-made and natural.

3 Organic compounds including a number of carcinogenic polycyclic aromatic hydrocarbons are also present in coal dust.

4 Having observed organic compounds in meteorites,[] these researchers believe the seeds of life may have been carried to earth preformed.

5 Paints traditionally were made with volatile organic compounds, which can pollute indoor and outdoor air.

6 To summarize, the organic compounds found in cells are built up and broken down by enzymes.

7 Amines are a series of organic compounds related to ammonia.

8 You can apply heat to decompose organic compounds.

9 Water, organic compounds such as phenylcarbinol or 1,4-butanediol and other additives are beneficial to this reaction.

10 The effect of ionic strength and the coexisting organic compounds on adsorption ofp - nitroaniline were also investigated.

11 Litmus: Mixture of coloured organic compounds obtained from several species of lichens.

12 It was found that basic organic compounds and coke mainly deposit on the L acid sites rather than B acid sites of the hydrocracking catalyst.

13 Flavin: Any of a class of organic compounds, pale yellow biological pigments that fluoresce green.

14 Photocatalytic and chemical oxidation of organic compounds in supercritical carbon dioxide.

15 Azole: a class of organic compounds having a five - membered heterocyclic ring with two double bonds.

16 Of or relating to organic compounds having both aliphatic and cyclic characteristics or structures.

17 Vitamin B complex Water - soluble organic compounds loosely similar properties, distribution in natural sources, and physiological functions.

18 This fact can be used to determine the identity of unknown organic compounds by the method of mixed melting points.

19 Chemists know that oxygen-free climates like this tend to foster the spontaneous synthesis of organic compounds.

20 Paints today are getting safer as companies remove volatile organic compounds, but you still need to be careful.

21 Free radicals may also play a part in producing organic compounds with metallic properties.

22 She remained there for four years, during which time she conducted researches on the optical properties of organic compounds.

23 Activated carbon has the ability to remove a wide variety of organic compounds from water and wastewater, even in trace quantities.

24 Relationship betWeen the molecular connectivity indices and adsorption coefficient (Koc) of nonpolar organic compounds was investigated based on molecular topology.

25 Nitrate utilization rate test showed that the contents of organic compounds in raw wastewater were not sufficient for complete denitrification.

26 Different ultrasonic devices are available to speed up the liquid–liquid or solid–liquid extractions of organic compounds, namely, the ultrasonic bath and the ultrasonic probe.

27 PCB (polychlorinated biphenyl):Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.

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

29 This was based on the idea that the first life forms were the outcome of a slow, multistep process that began with the abiotic synthesis of organic compounds and the formation of a 'primitive soup'.

30 Application: Important Material of organic synthesis, often used as brominating reagent for the synthesis of bromo substituted organic compounds.

31 The organic compounds obtained from the first step of the thermal decomposition reaction were mainly benzoic acid, benzophenone, 9, 10 - anthraquinone, 1,3-diphenylisobenzofuran and so on.

32 The Terent'ev method for the determination of active hydrogen has been applied to various kinds of organic compounds. It is found that this method can be widely applicable.

33 The choice of anodic materials depends on high efficiency, reliability and electrocatalysis for the electrochemical destruction of organic compounds.

34 These odoriferous organic compounds contain numerous ingredients generally classified into four main groups which are characteristic of the majority of essential oils.

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35 Most of the chlorinated organic compounds are regarded as high toxic, refractory and carcinogen with the negative effects of"carcinogenesis, teratogenesis and mutagenesis".

36 The performance of the three catalysts was studied in the catalytic combustion of volatile organic compounds (benzene, toluene and p-xylene) via the Gas Chromatogram analysis.

37 In the liquefaction process there was reversible reaction between the heavy oil and volatile organic compounds; organic dissolved was mainly transformed into gas in the secondary reaction.

38 Lipids are organic compounds that are quite hydro - phobic.

39 Organic compounds may also tend to reduce filtration by blinding the filter cloths.

40 Schiff base is the Types of organic compounds which contain C-N double bond of the imine or azomethine group characteristics. the early research focus on Amine Schiff base reduction.

41 PVDF Type I homopolymer is notably free of metallic ions and foreign organic compounds.

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

43 Triphosgene, as the perfect substitute for phosgene, is applied on the synthesis of more important organic compounds.

44 A comprehensive compendium of published property estimation techniques for organic compounds.

45 Second statement: Ethanol and paraffin oil are both organic compounds.

46 This review summarizes applications of ILS in extractions of metal ions, organic compounds, bio-molecules, desulfurization or denitrogenation from fuels and gases and so on.

47 These two strains have great potential in purification of waste water and production of CH4, because they can utilize a few simple organic compounds and contain hydrogenase .

48 Purifying capacity of hydrophyte on water environment polluted by high content nutrient such as nitrogen and phosphorus, toxic organic compounds and heavy metal was reviewed.

49 Carotene Any of several organic compounds widely distributed in plants and animals.

50 Results indicated MABR could effectively avoid volatile organic compounds volatilization caused by conventional bubble aeration and secondary pollution of the air.

51 Purify NOx , SOx, Volatile Organic Compounds ( VOCs ) and various bad odor.

52 The characteristics of tubular transport systems for organic compounds are described in detail in Chapter 38.

53 Many biologically important organic compounds (sugars and amino acids) possess at least one asymmetric carbon atom and therefore occur in two isomeric forms for the amino acid molecule.

54 Triazine is a type of heterocyclic organic compounds, it is important to ring nitrogen organic chemical raw materials.

55 This arc is made up primarily of organic compounds called polycyclic aromatic hydrocarbons, which glow on the surface of the cloud.

56 A rapid micromethod for the determination of nitrogen in organic compounds, such as pyridine, pyrimidine, purine, thiazole, alkaloids and amino acids, is described.

57 Halohydrocarbon is one of the most important organic compounds and widely used in chemical industry, agriculture, material, environmental protection and modern organic synthesis.

58 Isoprenoid ( terpene ): Class of organic compounds made up of two or more structural units derived from isoprene.

59 An advanced technique, the ion beam tritium labelling method (IBTL) , used for labelling proteins, peptides and other nonvolatile organic compounds is introduced.

60 Vitamin B complex Water-soluble organic compounds with loosely similar properties, distribution in natural sources, and physiological functions.

61 The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a covalent bond to the nitro group's nitrogen atom.

62 There are lots of bacteria, protozoan and metazoan species immobilized on the carrier surface in G-BAF, which can enhance the removal effect of nitrogen, phosphorus and refractory organic compounds.

63 The organic compounds are mainly benzoic acid anhydride , benzophenone, and so on.

64 The proposed model can be used not only to reveal the quantitative relation between flash points and molecular structures but to predict the flash points of organic compounds for chemical engineering.

65 A simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up.

66 METHODS To replace manual operation of putting structures of organic compounds which accord with octant rule to backfourdistrict picture by computer.

67 Chitin and chitosan can adsorb organic compounds by forming chemical bond or flocculate organic compounds as a cationic polyelectrolyte.

68 The univalent hydrocarbon radical, CH3-,[http:///organic compounds.html] derived from methane and occurring in many important organic compounds.

69 Here's why bourbon might hurt more: many alcoholic beverages contain byproducts of fermentation called congeners, complex organic compounds that in large doses can have toxic effects.

70 The sorption mechanism was also studied by octanol - water partition coefficients of organic compounds.

71 Organic compounds of arsenate are less stable than analogous phosphate compounds, however, For example, acyl arsenates decompose rapidly by hydrolysis.

72 Azo dye wastewater is hard to degrade due to its high content of organic compounds, its complexity of the components and high chroma.

73 The potential applications and study emphases of solvent sublation in the separation of organic compounds from their dilute solutions are discussed.

74 Schiff base mainly refers to contain amine or azomethine of the group of a class of organic compounds, usually Schiff base by the amine and condensation from carbonyl activity.

75 Therefore , one cannot ignore the contribution of biogenic volatile organic compounds to the secondary organic aerosols.

76 Mechanism of color development of organic compounds, chemical decolorant mechanism and decolorant reagents are introduced, some decolorant methods are summarized.

77 Phthalic acid esters (PAEs) are a class of refractory poisonous deleterious organic compounds.

78 Organic anti-bacterial agent more varieties, such as organic compounds, metal halide, effects of thiazole, quaternary ammonium salts and diphenyl ethers, organic nitrogen compounds, and so on.

79 The measurement of humic acid, trihalom- ethanes and nonvolatile organic compounds in raw water, chlorinating water and tip water of several waterworks were carry out in two dis- tinct seasons.

80 The metabolic pathways of organic compounds have often been delineated by using a radioactively labeled substrate and following the fate of the label.

81 A new method based on elements and chemical bonds was developed for estimating critical volume of organic compounds.

82 A lots of organic compounds have been adsorbed on particulate in air.

83 Hygroscopic properties of levoglucosan and related organic compounds characteristic to biomass burning aerosol particles.

84 Fluorine, one of the necessary trace elements of human beings is presented in the forms of inorganic and organic compounds in foods, such as sodium fluoride, silicon fluoride, and fluoroacetate etc.

85 High levels of organic compounds will frequently promote foaming, leading to high consumption of antifoam reagents.

86 Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.

87 Acetylene (ethyne)Simplest alkyne, C2H2. A colourless, flammable, explosive gas, it is used as a fuel in welding and cutting metals and as a raw material for many organic compounds and plastics.

88 In the isolated state gallium salt and organic compounds are non-conductive but Hla and his colleagues have evidence that these two substances formed by the metal lines are superconducting properties.

89 Organic-inorganic hybrid materials of the manganese vanadate can be formed through the combination and synergistic interaction of the manganese, vanadium building blocks and some organic compounds.

90 Originally, organic compounds were thought to arise from life processes.

91 This paper focuses on the efficiency of removing volatile haloid organic compounds from sewage with the method of land infiltration, which was compared with six usual treatment techniques.

92 PTR-MS with short response time and high sensitivity is a new online technique for monitoring trace volatile organic compounds.

93 The mechanisms of electron transfer sensitized photooxygenation of organic compounds were reviewed.

94 This article studied the synthesis of pillared bentonites , shaping, and the adsorption of trace heavy metals and organic compounds in water.

95 This paper discussed the field effect on the properties of organic compounds in the acidity, reactivity and monose conformation stability and pointed out field effect can't be ignored.

96 Enthalpy vaporization of 104 organic compounds were estimated and compared with experimental data by the simulating estimation software and the total average error is just 0.864%.

97 The sulfanilamide wastewater is characterized by high concentration of organic compounds and is hard to biodegradable, so the treatment methods of this kind of wastewater are limited.

98 Cladosporium species produce no major mycotoxins of concern, but do produce volatile organic compounds (VOCs) associated with odours.

99 Volatile organic compounds are created from incomplete combustion and reach the atmosphere through fuel evaporation.

100 Semifluid mixtures of organic compounds consisting of resins dissolved in a volatile oil, turpentines can be distilled into the volatile oil of turpentine and the nonvolatile rosin.

101 The article generally discusses several kinds of bases of aromaticity of organic compounds.

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102 The organic compounds unable to be synthesized under normal reaction can be fulfilled by means of umpolung.

103 Alcohol: Organic compounds characterized by a hydroxyl group ( OH ) bonded to a carbon atom.

104 When chemists synthesize organic compounds in the lab, they often wind up with a mix of molecules: half are right-handed, and half are left.

105 There are many factors to affect the strong or weak of acidness of organic compounds. The paper expresses the strong or weak influence of Hydrogen bond on acidness of organic compounds in detail.

106 A VUV soft ionization source was adopted in the mass spectrometer, which can avoid the formation of fragment ions and analyze volatile organic compounds in ambient air without pre-separation.

107 According to the "Nomenclative Rules in Organic Chemistry" (1980), some cases of naming Organic compounds in present university organic Chemistry textbooks is discussed in this paper.

108 The impact of harmful components such as the Pb element, As element, fluorescent material[], volatile organic compounds and bacteriophyta on quality of tipping paper is discussed.

109 MFC is anew-fashioned bioreactor that is developed on the basis of electrochemical techniques and uses microorganism as catalysis to convert chemical energy of organic compounds to electric energy.

110 Many organic compounds with unique structures, which showed a lot of physiological activities, were found in brown seaweed.

111 All the results showed that, compared with the mesophilic bacterium, the psychrotrophs can respire and have a certain ability to decompose the organic compounds in sewage at low temperature.

112 He was the earliest one to introduce to domestic readers the periodic law of chemical elements, as well as the first person to work out systematic terms for organic compounds.

113 Halogenated organic compounds are very toxic and anti- degradable due to the existent of halogenated basis. Their biological degradation is focus in a reducing reaction called dehalogenation.