通过这些研究，研究人员希望能学会如何操控这些菌类以制造更多的羧酸盐，一种可以产生甲烷和丙烷的烷烃物质。
Using those results, they hope to learn how to manipulate the bacteria to produce more carboxylates, a chemical that precedes the formation of alkanes like methane and propane.
一元羧酸，这是一种时常和烃发生化学反应的化合物；
monocarboxylic acids, a suite of hydrocarbons that readily participate in chemical reactions;
最好的树脂至少包含一个酸性组和更多的最好至少一羧酸组。
Preferably the resin contains at least one acidic group and more preferably at least one carboxylic acid group.
该反应是糖酵解和三羧酸循环的关键连接(3)。
This is a critical link between glycolysis and the TCA cycle (3).
这种配方的构成包括草甘膦或者草甘膦的一种盐、酯或其他产物，一种二羧酸或者其产物，以及一种制药可接受的载体。
The formulation comprises a glyphosate or a salt, ester or other derivative thereof, a dicarboxylic acid or a derivative thereof, and a pharmaceutically acceptable vehicle.
聚羧酸系高性能减水剂是减水剂的新品种，具有很多良好的使用性能。
Polycarboxylic acid is a new kind of high performance water-reducing agents which have many useful properties.
本文介绍了羧酸酯化反应催化剂的研究进展。
The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.
顺乌头酸酶2 (ACO2)在三羧酸循环第二步骤中催化从柠檬酸经顺乌头酸生成异柠檬酸的异构化(1,2)。
Aconitase 2 (ACO2) catalyzes the conversion of citrate to isocitrate via cis-aconitate in the second step of the tricarboxylic acid (TCA) cycle (1, 2).
合成脂肪族聚酯二醇的合成及二羧酸经缩合聚合，和已知的完全生物降解土壤和水。
Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.
“三羧酸循环。”爱德华回过头去看着班纳老师，很不耐烦地答道。
"The Krebs Cycle," Edward answered, seeming reluctant as he turned to look at Mr. Banner.
羧酸的还原是有机化学中的重要反应。
The reduction of carboxylic acid is an important reaction in organic chemistry.
羧酸酯是重要的化工原料。
Carboxylic acid esters are important chemical raw materials.
摘要在水溶液中合成了铕和试的四元羧酸稀土配合物。
Europium and terbium rare earth complexes with tetra carboxylic acid were successfully prepared in aqueous solution.
初步探讨了聚羧酸减水剂提高混凝土抗劈裂性能机理。
Discussed initially the mechanism of polycarboxylic water-reducer improve performance of cracking-resistance of concrete.
羧酸酯的合成主要用硫酸作催化剂，但这种催化剂有许多缺点。
Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters.
芳香羧酸进行脱羧反应是一个例外。
This decarboxylation is catalysed by the enzyme glutamic acid decarboxylase.
由于硫酸作催化剂合成羧酸酯副产物多、产率低、且腐蚀设备、造成环境污染。
Sulfuric acid was used as a catalyst to prepare acetic esters with more by-product, low yield, equipment corrosion and acid wastewater.
甲烷2组改为NH或O和反之亦然，硝基成为羧酸和酰胺，OH基团成为氟原子，该名单是广泛的。
CH 2 groups were replaced by NH or o and vice versa, nitro groups became carboxylic acids and amides, OH groups became fluorine atoms; the list is extensive.
一类由一个分子的氨基与另一个分子的羧酸基之间，缩合而生成的聚酰胺。
A group of polyamides formed by the condensation between an amino group of one molecule and a carboxylic acid group of another.
醇，醛与酮和羧酸之间的氧化还原关系。
REDOX Relationships amongst Alcohols, Aldehydes and Ketones and Carboxylic acids.
与水、活性氢、醇、酚、胺、酰胺、羧酸、烯烃、醛、酮、酯加成得到的新化合物，可作脱水剂和氧化剂使用。
Many new compounds can be obtained by addition with water, hydrogen, alcohols, phenols, amines, amides, carboxylic acids, olefins, aldehydes, ketones, esters, etc.
酸性组分主要由酚类化合物和有机羧酸组成。
The major components of acidic fraction are phenols and organic acids.
用本方法检出煤气化废水中的羧酸类化合物四十余种，并进行了定量测定。
By this method, more than forty carboxylic acids were detected in coal gasification wastewater and quantitatively determined.
有双环氨基取代的吡啶酮羧酸衍生物，其酯及盐，以及可用作其中间体的双环类胺。
Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate thereof.
诱导效应可使羧酸中羧基碳原子的电子云密度发生改变。
Inductive effect causes electron density of Carboxylic cardon atom in Carboxylic acid to change.
寄主植物对甜菜夜蛾的生长发育、羧酸酯酶活性及杀虫剂的敏感性有显著影响。
The growth and esterase activity of beet armyworms and their sensitivity to insecticides were apparently influenced by their host plants.
芳香羧酸进行脱羧反应是一个例外。
One exception is the decarboxylation of aromatic carboxylic acids.
分析了不饱和羧酸酯化反应的机理。
The esterification mechanism of unsaturated carboxylic acid was analyzed.
分析了不饱和羧酸酯化反应的机理。
The esterification mechanism of unsaturated carboxylic acid was analyzed.
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