催化的

Under optimal conditions, oxidation of ethylbenzene into acetophenone under 1 atm O2 and 1 mol% NHPI reach to 64% yield.

在最佳的催化状态下，苯乙烷能在1 atm的氧气、1 mol% NHPI与轴向配位基为吡啶的紫质修饰二氧化钛共催化下，氧化成苯乙酮，并得到64%的产率。

Its zinc complex was applied in asymmetric direct aldol reaction of acetone and p-nitrobenzal...

设计合成了一种NOBIN衍生的手性配体，初步研究了该手性配体的双核锌配合物在对硝基苯甲醛和丙酮的不对称直接醇醛缩合反应中的催化应用，20℃和20mol％催化剂量下，获得了32.5％ee和72％收率的产物。

Molybdenum-glycol complexes synthesized with different alkylene glycols and Mo/alcohol ratios have different acidity and catalytic activity. For the topic reaction, the catalytic activity of Mo-1, 2-ethandiol or Mo-1, 2-propanediol is higher than that of Mo-butanediol.

结果表明，用不同的二醇和不同醇／钼比制备的钼醇催化剂具有不同的催化性能和酸性，用乙二醇和丙二醇制备的催化剂，催化性能优于丁二醇制备的催化剂。

By analyzing the differences between acidic and basic catalytic action in this transesterificatios, it is considered that the main cause of yielding an anisole by-product is due to the basic catalysis, a Lewis acidic catalyst is helpful for the selective DPC formation.

通过分析酸碱催化作用在酯交换反应中的差异，认为碱催化是副产物苯甲醚生成的主要原因，Lewis酸性的催化剂有利于碳酸二苯酯的高选择性。

In the acylation reaction between anisole with acetyl chloride, The catalyst of ZnCl〓/HY-98 prepared by MWI had the best catalytic activity and the selectivity of p-methoxy acetopheone. The catalytic active centers were ZnCl〓 dispersed in zeolite and the Bronsted acid sites in HY-98 zeolite itself.

在苯甲醚与乙酰氯的酰化反应中，微波固相法制备的ZnCl〓／Y催化剂有相对较好的催化活性和选择性，起催化作用的主要是分散在分子筛表面的ZnCl〓和分子筛本身的B酸。

The effect of the specific inhibitor cibacron blue of GSTs and antiparasitic drugs albendazole, praziquantel and artesunate on the activities of recombinant GSTM, GST1 and GST2 was evaluated.

研究目的解析三个胞质GSTs的基因结构及其特点，克隆三个胞质GSTs基因，鉴定原核表达的重组GSTs的免疫反应性、免疫原性、催化活性及其免疫定位和抑制剂、常用抗寄生虫药对催化活性的影响。

Caffeine - A derivative of coffee, is an efficient arouser of central nervous system capable to drive away fatigue, and improve renal circulation. Its stimulation on the cerebral cortex activates Neurotransmitter receptors in the cell membrane; the adenylyl cyclaseactivated on the other surface of the cell catalyzes Adenosine Triphosphate, forming Cyclic adenosine monophosphate, and thus set off series of bio-chemical reactions, like increase of passionate feel, prompt recovery from fatigue after working etc..

咖啡因—由于咖啡本身具有兴奋神经中枢，消除疲劳，增加肾脏血流量的作用，通过对大脑皮层的刺激，使神经递质作用于细胞膜受体，激活了膜另一侧的腺苷酸环化酶，被激活的腺苷酸环化酶催化三磷酸腺苷环化酶，被激活的腺苷酸环化酶催化三磷酸腺苷形成环磷酸腺苷，从而引起一系列生化反应，如增加愉快感和消除事后疲劳等。

Based on the principles of autocatalysis and the theory of entropy, this paper tries to discuss and attest the autocatalytic mechanism in systems which cause general S curve.

运用熵理论和自催化原理对系统发展过程中普遍存在的 S型曲线的成因进行了论述和证明，指出系统出现 S型发展曲线是由系统的自催化机制和系统的限制因素共同作用引取。

The soot could be entirely burnt out by the catalysts prepared with the before-mentioned combination.

上述组合的催化剂最终都能将陶瓷基片上的碳烟完全催化氧化掉，其余组合的催化剂的催化性能稍差些。

After the failure of achieving good enatioselectivity in asymmetric Baylis-Hillman reaction, we turned our attention to traditional chiral Lewis base catalyzed asymmetric Baylis-Hillman reaction.

我们还发现，用咪唑与-脯氨酸共催化醛和丁烯酮的Baylis-Hillman反应，但产物的e.e值还是很低，因此又回到了传统的用手性Lewis碱催化不对称Baylis-Hillman反应研究中。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。