alkyl造句
1. Lyso platelet activating factor and alkyl acyl glycerophosphocholine were not significantly higher in Crohn's disease than in controls.
2. Amines can be prepared by heating and alkyl ammonium salt with an alkali.
3. Ingredients: alkyl indican, arbutin, Propylene glycol, etc.
4. Ingredients: Alga essence, alkyl indican, chamomile essence, etc.
5. First it is the synthesis of alkyl phosphate.
6. AKD (alkyl ketene dimer) emulsions offered good sizing, but rendered very poor ink hold-out.
7. A boronic acid is an alkyl or aryl substituted boric acid containing a carbon to boron chemical bond belonging to the larger class of organoboranes.
8. The invention discloses the new use of alkyl isourea compound and analogue of the alkyl isourea compound.
9. In this article, alkyl radical structure of heavy alkylbenzene is studied mainly with ESI - MS method.
10. INGREDIENTS: Deionized water, 12 alkyl ether sulfate, acetaldehyde pairs of acyl urea, disodium EDTA, Niger foil Kim Kap-fat, Nepal foil gold c butter, palm kernel oil Diethanolamide, spices.
11. Some alkyl substituted cyclopentadienes were prepared by this method and the ...
12. Reaction course include alkyl reaction, sulfonic reaction and neutralization reaction.
13. Novel synthetic methods for alkyl methyl ketone, symmetric diketone , long-chain diketone and macrocyclic ketone were provided.
14. The purities of three kinds of intermediates, alkyl phenyl ketones, tertiary carbinols and phenyl alkanes, are analyzed by GC and structures are characterized by GC-MS.
15. They are a complex mixture of up to 80 percent hydrocarbons with smaller amounts of fatty acids, alkyl esters and other constituents.
16. They begin the story of organic chemistry with methanol, follow this with other alkyl derivatives, then mechanisms of reactions.
17. The invention relates to a compost accelerant, in particular to a compost accelerant prepared from alkyl polyuronide, humic acid or humate and sugar waste.
18. Herein, three kinds of reaction type of gelators, methylbenzene–2, 4–bis (N, N'–alkyl) urea derivatives were synthesized by using high reactivity of isocyanate and alkylamine .
19. X-ray powder diffraction(XRD) has been used to study the orientation of alkyl quaternary ammonium ion in the interlayer of products.
20. Because the surfaces of nanocrystallines are coated by oleophilic long alkyl chain, they are incompatible with water surroundings to form some repulsion.
21. X-ray photoelectron spectroscopy (XPS) indicated that the higher reaction activity of alkyl halide, the more alkyl substitution degree on hydroxyl group of chitosan.
22. This paper studies a simple way of synthesizing food flavoring ofcinnamic acid esters by using phase transfer eatylist to catalyze sodium cinnamate and alkyl halided after reaction.
23. Crosslinked network structure of COPP and POES with long branched chain was formed by the combination effect of double alkyl peroxide and auxiliary crosslinking agent with short branched chain.
24. Study the floatability of andalusite and mechanism of which with alkyl sulphonate as collecter was accomplished.
25. C. Because it uses high temperature and high mole ratio, the reaction path can complete and the purity of reaction product alkyl halide can reach about 99%.
26. The synthesis technology of high basic value calcium sulfurized alkyl Phenate using dodecyl phenol as one of main materials were introduced in this paper.
26.try its best to gather and create good sentences.
27. Their extraction ability markedly decreases with the increase of the steric hindrance from ester alkyl group.
28. Result showed that dialkyl quaternary ammonium salts inhibited the growth of Aeromonas hydrophila and Flexibacter colnmnaris, and the short alkyl group is more effective than the long one.
29. Modifications of PPV by some substituent groups such as alkoxyl, alkyl, aromatic-alkyl may improve their dissolution, process, regulation of the colour, conductivity and nonlinear optics.
30. The said method of the present invention improves the dealcoholization degree of carbamate-containing alkyl silane and has high selectivity of the product of isocyanate-containing alkyl silane.
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