The effect of catalyst composition, microwave irradiation time and system pressure on the reaction was investigated.
考察了催化剂组成、微波辐照时间和体系压力对反应的影响。
The influences of amount of catalysts, microwave power, microwave irradiation time and the mole ratio of alcohol to acid were studied.
考察了催化剂的用量、微波功率、微波辐射时间、醇酸比对酯产率的影响。
The effects of catalyst dosage, microwave irradiation time and microwave power on degradation of reactive yellow wastewater were examined.
实验考察了催化剂用量、微波辐射时间、微波辐射功率对活性嫩黄废水的降解效果。
The effects of microwave irradiation power, microwave irradiation time, different sulfate, reactant ratio, amount of catalyst on the yield of benzaldehyde ethylene glycol acetal were studied.
考察了微波辐射功率、微波辐射时间、不同硫酸盐、原料配比、催化剂用量对产率的影响。
The influences of catalyst amount, microwave irradiation power and time on the reaction were investigated.
考察了催化利用量,微波辐射时间和功率对反应的影响。
With pyridine as catalyst, the yield was raised from 61.6%(under traditional calefaction) to 81.6%(under microwave irradiation), and the reaction time was decreased to 1/100 times.
以吡啶为催化剂,目标产物产率由传统加热下的61.6%提高到微波辐射下的81.6%,反应时间缩短为传统的1/100;
Microwave irradiation is able to shorten the reaction time, increase the yield of the Pechmann reaction, and decrease the amount of solvent.
微波辐射辅助可以缩短反应时间,提高反应效率,减少溶剂的使用。
Furthermore, it is demonstrated that the microwave irradiation enhances the activation process, decrease the activation time and increase the activity of the supported reagent.
微波可有效地促进载体试剂的活化,大大缩短活化时间,提高氧化剂的活性。
The results indicated that microwave irradiation has the advantage that the reaction time is much shorter compared with traditional heating method.
对微波辐射法和传统加热法试验结果进行比较可以得出,微波辐射法在反应时间上较传统加热法有较大优势。
Under the microwave irradiation, the concentration of the disinfectant and the time affecting the sterilizing rate of colon bacillus existing in hospital wastewater are studied in this paper.
在微波辐照条件下,考察了消毒剂浓度、辐照时间对医院废水消毒效果的影响。
Microwave irradiation to tissues is a kind of nonionizing radiation, which would not cause irreversible lesion of tissues if microwave irradiation power and time were controlled properly.
微波对组织的辐射是一种非电离辐射,适当控制微波发射功率和照射时间,不会对组织造成不可逆损害。
Ethylene oxide was polymerized under microwave irradiation using some anionic as a initiator. The reaction time was shortened.
在微波辐射下,选择不同的阴离子引发剂使环氧乙烷开环聚合,缩短了反应时间。
The effects of microwave irradiation power, reaction time, molar ratio of isoamyl alcohol ton-butyric acid and the use level of catalyst on esterification reaction were investigated.
探讨微波辐射功率、辐射时间、醇酸摩尔比以及催化剂用量等因素对酯化反应的影响。
The results showed that the reaction heated by microwave irradiation could be finished in a shorter time and could give a higher yield than heated by ordinary heating method.
结果表明,利用微波加热方法要比普通加热方法反应更快、收率更高、后处理更简单。
The effects of microwave power, irradiation time and the purifying way of product on the alkylation were discussed.
探讨了辐射功率、时间、产物提取方式和卤代烷等对产率的影响。
Microwave-assisted extraction of gingerol from ginger was studied. The main effect factors were discussed such as microwave power, irradiation time, the rate of solid and liquid and grinding degree.
研究利用微波辅助萃取生姜中姜辣素的新工艺,探讨了不同微波功率、时间、固液比、颗粒度对提取率的影响。
The results showed that the microwave irradiation greatly reduced the synthesis time, and at the same time, the resins synthesized under microwave irradiation…
结果表明,微波辐射不仅大大缩短合成反应时间,而且所得树脂固化速度、流动性及覆膜砂强度也得到了显著的改善。
Microwave irradiation could greatly speed up the reaction rate and the reaction time was just a few minutes.
微波能大大加快氧化速度,反应时间只需几分钟。
Microwave irradiation could greatly speed up the reaction rate and the reaction time was just a few minutes.
微波能大大加快氧化速度,反应时间只需几分钟。
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