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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,[www.Sentencedict.com] 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.