查询词典 synthesize

Before their commercialization, it is a challenge to synthesize EO polymers with large NLO effects, high thermal stability of the dipole moment after poling and low optical loss to fit the requirements of EO apparatus.

合成具有高的非线性光学效应和取向稳定性以及低的光学损耗的电光高分子材料以适应器件的制作要求，是电光聚合物走向实用前必须解决的几个极富挑战性的课题。

Monoethanolamine and ethanol were selected as the raw material and solvent respectively to synthesize triethylenediamine in a small-size fixed consecutively flowing liquid-phase reactor.

以乙醇胺为原料，乙醇为溶剂，在小型连续流动液相固定反应器中合成三乙烯二胺。

Based on the reaction of diethylene glycol with ammonia,the main synthesize process of morpholine was studied.

对二甘醇和氨在催化剂存在及一定压力下反应制取吗啉的合成工艺路线、催化剂制备、产品分离及分析进行了详细综述。

One advisable way is to synthesize NFM by acylating morpholine with form＇c acid as acylating agent.

较可取的是以甲酸为酰化剂，吗啉酰化初期强放热反应，该类反应安全操作条件是安全生产的关键。

Naphthol AS-BI is an important pigment intermediate , which is used to synthesize a new kind of high quality azo dyes.

色酚AS-BI是一种颜料中间体，以它为原料合成的偶氮颜料是一类性能优良的新型颜料。

The results showed that the optimum enzymatic conditions were: choosing papain, with substrate concentration 16%, enzyme concentration 4000U/g, hydrolysis time 6h, and the optimum conditions for the enzymatic hydrolysate of porcine blood to synthesize nitrosyl heme-polypeptide were: NaNO2 added 1.6%, pH5.00 and reaction time to 12min at 55℃.

试验表明，以选用木瓜蛋白酶效果较好，最佳酶解条件为：底物浓度16%，加酶量4000U/g，水解时间6h；酶解液合成色素最佳参数为：pH5.00，反应时间12min ，反应温度为55℃，NaNO2 的添加量为1.6%。

Methane, oxygen and H_2O molecules are activated, ionized and dissociated into active particles such as CH_3~+, O~-, H_2O~+, CH_3, CH_2, CH, H,OH and O, by nonelastic collision with high energy electrons. The particles react with each other in the reactor to synthesize chemically products including gaseous oxy-hydrocarbons.We study the rule of reaction by changing electrical parameter, gas flow etc. Study the conversion of methane, selectivity of gaseous hydrocarbons and yield of methanol under different reaction condition.

针对常规甲烷催化转化和氧化偶联制备含氧化合物的问题，遵循国际化学科学研究前沿"绿色化学"原则，采用自然界存在丰富的CH_4、H_2O和O_2为原料，在绿色友好的常温大气压无任何催化剂的条件下，采用强电场电离放电加速电子及其激励气体分子的极端物理手段，在反应腔体内进行无任何环境污染的非平衡等离子体化学反应，将气体分子激发、电离、离解成CH_4~+、CH_3~+、CH_4~·、H_2O~+、H_2O~·、O_2~+、O(~1D)等活性粒子，生成气态烃及含氧碳氢化合物，整个反应过程实现零污染、零副产品。

The transform of phenotype of VSMC: The mRNA expressions of SM22α-a notate gene of contractile VSM-were all detected on normal aortas,but decreased normally when the aortas were destroyed and cultured in vitro for 10 days,especially in the serum groups,whose SM22αmRNA could not be detected by RT-PCR.Here,BQ123 can increased their expressions.This demonstrated that serum culture and the secretion of ET-1 can produce the transform of phenotype from contractile to synthesize type.

血管平滑肌表型的转化：RT-PCR检测发现，血管平滑肌收缩表型标志基因SM22α在正常血管平滑肌中都有表达，但在内皮损伤后体外培养10天的血管表达明显减弱，其中血清培养组血管基本不表达，加内皮素受体阻断剂BQ123后，各组SM22α的表达均有所上调，这表明内皮素分泌和血清培养促进了血管平滑肌的表型由收缩型向分泌型的转化。

Aim To synthesize new type of octane number improver for gasoline , methoxyisobutyrate.

目的合成一种新型汽油辛烷值改进剂─甲氧基异丁酸烷基酯。

HDPCs are dominating cells in dental pulpal tissue. HDPCs can not only synthesize dental pulp organic ingredient, but also differentiate into odontoblast and protect dental pulp.

HDPCs是牙髓组织中的主体细胞，HDPCs不仅具有合成牙髓有机质的能力，而且必要时还能分化为成牙本质细胞保护牙髓。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失