carboxylation
英
美
n. 羧基化，羧化作用
双语例句
- In short supply of water, leaf carboxylation efficiency and apparent quantum yield were cut down.
另外表明，水分供应不足，叶片的羧化效率和表观量子产额下降。 - To indicate the feasibility of using acetic ester carboxylation process in China based on making process comparison.
通过对各种生产工艺的对比，提出了醋酸甲酯羰基化工艺在我国的可行性。 - Prediction of the Efficiency of Carboxylation Polyethylene Glycol Using BP Neural Network
BP神经网络方法预测聚乙二醇的羧基化率 - Study of Process for Preparing 2-Hydroxyl Naphthalene-3-Carboxylic Acid by Solvent Carboxylation
溶剂羧化法合成2－羟基－3－萘甲酸工艺的研究 - Alkylphenol and calcium hydroxide were used as raw material, and a special accelerant was applied under certain pressure. The reaction conditions of neutralization and carboxylation were investigated and optimized to obtain a neutral calcium alkylsalicylate having TBN of 98.9 mgKOH/ g.
以烷基酚和氢氧化钙等为原料，在引入特定促进剂及一定压力条件下，通过对中和及羧基化反应条件的优化考察，合成了一种碱值达到98.9mgKOH/g的中性烷基水杨酸盐产品。 - To compare, Purple plum and Black amber had higher carboxylation efficiency ( CE) and photosynthetic capacity ( Pm) than Gulf ruby.
紫李和黑琥珀李的羧化效率和光合能力都强于海湾红宝石李。 - This paper studied the effects of short-and long term abscisic acid ( ABA) treatments on the CO_2 assimilation ( P_n), carboxylation efficiency ( CE), response of P_n to CO_2, and antioxidant enzyme activities of wheat seedlings exposed to UV-C.
研究了UV-C辐射下短期和长期脱落酸（ABA）处理对小麦幼苗CO2同化作用、羧化效率、光合CO2响应以及抗氧化酶活性等的影响。 - The apparent quantum yield ( AQY) and the carboxylation efficiency ( CE) displayed significant midday decline.
叶片的表观量子产量（AQY）和羧化效率（CE）明显降低； - The phenol's carboxylation is a typical organic chemical reaction, which was discovered years ago. The equation is the reaction named Kolbe-Schmitt.
酚类的羧化反应是一个很早就发现的、典型的有机化学反应，称为Kolbe-Schmitt反应。 - Hydroxyl-carboxyl-terminated polybutadiene ( HCTPB) liquid rubber was synthesized by a conversion technique of terminal groups with hydroxyl-terminated polybutadiene ( HTPB) liquid rubber as raw material and organic acid anhydride as carboxylation agent.
以端羟基聚丁二烯液体橡胶（HTPB）为原料，以有机酸酐为羧化剂，采用端基转化法合成出了端羟羧聚丁二烯液体橡胶（HCTPB）。 - A novel catalytic system CaCl_2 · 2H_2O/ K_2S_2O_8/ CF_3COOH was used for direct carboxylation of propane to give isobutyric acid. The effects of reaction temperature 、 reaction time 、 CO pressure and catalyst were investigated.
采用一种新型的催化体系CaCl2·2H2O/K2S2O8/CF3COOH，将丙烷直接羰基化反应合成异丁酸，考察了反应过程中温度、反应时间、CO压力和催化剂等因素对反应收率的影响； - Carboxylation of active hydrogen compounds
含有活性氢原子化合物的羧基化反应 - The diurnal variations of photosynthsis and stomatal conductance were studied in sweet potato leaves, and the carboxylation efficiency, photosynthetic capacity, CO2 compensation point and stomatal limitation were also measured in different times of the day.
在观测甘薯光合速率和气孔导度日变化的同时，研究了一天中不同时刻甘薯叶片的羧化效率，光合活力，CO2补偿点及气孔限制值的变化。 - The results showed that application of straw and expanded chicken manure mixed in proper proportion promoted plant growth, increased chlorophyll content, accelerated photosynthesis and carboxylation, and inhibited respiration, thus increased significantly the yield.
结果表明：稻草和膨化鸡粪按适当比例配合撒施可以促进黄瓜植株生长，提高叶绿素含量，增强光合，抑制呼吸，加快羧化，从而显著地提高产量。 - The results showed that the net photosynthetic rate ( Pn), photosynthetic capacity, carboxylation efficiency ( CE), apparent quantum yield ( AQY) and maximum regeneration rate of RuBP of cherry grown in field were higher than those grown in pot.
结果表明，田间植株的净光合速率（Pn）、光合能力、羧化效率（CE）、表观量子效率（AQY）、RuBP最大再生速率等参数均高于盆栽植株。 - Conclusion: The percentage carboxylation values of osteocalcin in plasma is sensitive to show the level of vitamin K;
结论：血浆中骨钙蛋白羧化率的值是反应V－K水平的敏感指标； - The function of ACC is to catalyze acetyl-CoA's carboxylation to malonyl-CoA.
ACC的作用是在脂肪酸合成的第一步反应中，催化乙酰CoA羧化成丙二酰CoA，FAS的作用是催化从乙酰CoA及丙二酰CoA合成长链脂肪酸的反应。 - Study of kinetics of solvent carboxylation of phenol
苯酚溶剂羧化反应的动力学研究 - The silica gel supported β-cyclodextrin catalyst was prepared and used for the carboxylation of phenol.
制备了一种新的硅胶负载β－环糊精催化剂，考察了其对苯酚的催化羧化作用。 - Study on solvent systems in carboxylation of nitrotoluenes
硝基甲苯类化合物羧基化反应的溶剂体系研究 - The hydroformylation and carboxylation processes for preparing fatty acid from high carbon olefins were described and the technology peculiarity as well as the superiority of carboxylation process were mainly discussed.
叙述了以高碳烯烃为原料制备脂肪酸的加氢甲酰化法和羧基化法，着重讨论了后者的工艺特点及优越性。 - Results show that Enhanced UV-C radiation significantly decreased photosynthesis rate ( P_n), stomatal conductance ( G_s), intercellular CO_2 concentration ( C_i), transpiration rate ( E_ ( tr)) and carboxylation efficiency ( CE).
结果表明，UV-C辐射增强使叶片光合速率减弱，气孔导度、胞间CO2浓度、蒸腾速率和羧化效率明显降低，CO2补偿点升高。 - Similarly, apparent carboxylation efficiency increased with light intensity but CO_2 compensation point decreased.
在不同光强下，表观羧化效率也随光的增强而增大。 - Oleic acid monoethanol amide ether carboxylate ( OAEC) was synthesized by the amidation and carboxylation of oleic acid.
以油酸为起始原料，经酰胺化和羧甲基化反应制得了油酸单乙醇酰胺醚羧酸盐（OAEC）。 - Under water stress, the shoot increased rate, the water use efficiency and carboxylation efficiency of two peach varieties were studied under pot cultivation condition.
以盆栽短枝型桃品种超红短枝和普通型品种早红珠为试材，研究了水分胁迫对不同生长类型桃树新梢增长率、叶片水分利用效率和羧化效率的影响。 - Anaerobic degradation ways of phenolic compounds closely linked to its chemical structure, in which the carboxylation stage and benzene acylation stage were the key step in the degradation process.
酚类化合物的厌氧降解性能与其化学结构有着密切联系，其中羧化阶段和苯甲酰化阶段是其降解的关键步骤。 - Photosynthetic rate ( Pn) with Chlorophyll content, Rubisco carboxylation activity, soluble protein content and other physiological indicators have reached a significant positive correlation.
光合速率（Pn）、叶绿素含量、Rubisco羧化活力及可溶性蛋白含量等生理生化指标之间均表现为显著或极显著的相关性。 - CO2 usually serves as electrophile in the carboxylation of nucleophilic organometallic reagents to synthesize carboxylic acid and esters.
CO2可作为亲电试剂与碳亲核试剂进行羧化反应制备有机羧酸或羧酸酯。 - This article uses the method of electrolytic reduction of CO2, electrolytic reduction of O2/ CO2and sacrificial anode for carboxylation reactions of aromatic compounds.
本文采用电解还原CO2法、电解还原O2/CO2法和牺牲阳极法进行芳香化合物的羧化反应。 - In the sacrificial anode method, with ionic liquids as electrolyte, Cu as the anode and Al as cathode, we investigate reduction potential and carboxylation reaction yield of different aromatic compounds, and analyze its reasons from the angle of the electronic structure.
在牺牲阳极法中以离子液体作为电解液，以Cu作为阴极、A1作为阳极，考察了不同芳香化合物的还原电势大小、羧化反应难易，并从电子结构的角度分析其原因。