近几年来,离子液体作为一种绿色溶剂、催化剂以及催化剂的液相载体在有机反应中发挥了独特的作用,受到人们越来越多的关注。
Recently, ionic liquids as a kind of green solvent and catalyst even as a carrier for catalyst have drawn much attention due to the important roles they played in organic reaction.
另外,在反应过程中,催化剂部分晶相发生破坏以及晶胞尺寸的增大,也对其失活有一定的作用。
Meanwhile, part of crystalline disaggregation and increase of crystalline size are also due to the catalysts deactivation.
微生物是天然水环境中重要的固相物质,它有较高的表面反应活性和较大的表面积,对水体许多种污染物都具有吸附或富集作用。
Due to the high surface reactivity and large surface areas, microorganism in natural water is the important solid phase and is able to adsorb and enrich all kinds of pollutants.
本文报道了轻烃临氧条件下催化裂化转化成乙烯和丙烯的反应途径,并探讨了气相氧在裂化反应中的作用。
The reaction processes for propane, i-butene, and hexane cracking under oxidative conditions are Studied, together with the function of gaseous oxygen on cracking reaction.
结果表明,NBR与PA在高温、高剪切作用下,两相界面之间可发生微化学反应,但并不影响动态硫化时两相之间的相态反转过程。
The results showed that there was slight chemical reaction between NBR and PA under high temperature and high shear rate, but the chemical reaction did not influence on the process of phase reversion.
不同载体与HPA之间的作用不尽相同,其结果直接影响异丙醇气相脱水反应的活性及产物的选择性。
The actions of HPAs with supporters were not the same, and they directly affect the activity and selectivity of dehydration of isopropanol in vapor phase.
此外还有甲基化反应、氨基酸结合反应、脂肪酸结合反应、缩会反应等,在II相代谢中发挥着各种作用。
Other conjugation reactions include methylations, amino acid conjugations, fatty acid conjugations and condensation reactions which play different roles in phase II metabolism.
反应蛋白(crp)是一种急相蛋白,是机体潜在炎症的征兆,在机体天然免疫过程中发挥着重要作用。
C-reactive protein (CRP), an acute phase protein, is an indicator of underlying systemic inflammation. It plays an important role in the processes of the human natural immune.
依据实验结果,提出了固体酸催化剂作用下的液相酯化反应机理。
Based on the experimental results the mechanism of liquid-phase esterification catalyzed by solid acid is suggested.
测定了其对氧烷基化反应、氮烷基化反应的相转移催化作用。
Their phase transfer catalytic ability for the reaction of N-alkylation, O-alkylation and oxidation were also determined.
结果表明,理气止疼方剂金铃子散对冰醋酸以及甲醛-足跖炎性疼痛反应(F、S相)均有显著抑制作用,但对热刺激疼痛反应的抑制作用没有统计学差异。
JLZS showed a potent inhibitory activity on the acetic acid induced writhing and formalin induced f, s phase pain response, but heat induced pain like response was not inhibited significantly.
在中性条件下,羟基自由基间接反应为污泥臭氧破解的主要作用途径,对固相COD释放率的贡献比例为78.7%。
On this condition, hydroxyl radical reaction is the most important mechanism in ozonation which contributes to 78.7% particulate COD release rate.
应掌握有毒中药去除毒性的方法,在配伍中正确使用相杀作用,消除药物的毒副反应。
Should have a method of detoxification of toxic Chinese medicines, the proper use of the compatibility slay role in removing the drug toxicity.
本文报道了二苯基烯丙基型鏻盐与取代芳醛在碳酸钾作用下的固一液相转移催化反应。
The phase transfer catalyzed Wittig reaction of allyl diphenyl phosphonium salt with substituted aromatic aldehydes using potassium carbonate as base provides 1, 3-dienes with good E-selectivity.
此外气相氧可提高正己烷转化率,乙烯和丙烯产物选择性,氧的作用在于促进烷烃脱氢并引发碳-碳键断裂反应。
Presence of oxygen turns the reaction from thermo-dynamically unfavorable to favorable. In addition, oxygen in the gas phase may lead to an increase in he-cane c…
此外气相氧可提高正己烷转化率,乙烯和丙烯产物选择性,氧的作用在于促进烷烃脱氢并引发碳-碳键断裂反应。
Presence of oxygen turns the reaction from thermo-dynamically unfavorable to favorable. In addition, oxygen in the gas phase may lead to an increase in he-cane c…
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