催化的

The optimized structures and energies of the reactants, intermediates, transition states and products of two reaction channels (corresponding to syn-acraldehyde and anti-acraldehyde) in gas or in methanol solvent were obtained. The potential energy profiles reveal the processes of the trimethylamine-catalyzed Baylis-Hillman reaction between acraldehyde and formaldehyde in gas or in methanol solvent at the microscope level.

通过研究，获得了三种情况下两种反应通道(分别对应于顺式-和反式-丙烯醛)中涉及的反应物、产物、中间体、过渡态的优化结构及其能量，并由此得到了反应的势能面图，在电子微观层次上揭示了三甲胺催化的丙烯醛和甲醛的Baylis-Hillman反应的微观过程。

Tracking the main culture leading, the media discussion , the self-awareness and the social-cultural custom, why people would like choose intrusive anaplasty would become a composition of an interaction by those reasons as above.

事实上，整形者决定整形的动机不外乎是：当做送给自己的礼物、追求完美与提升自信、同辈团体催化的效果，在主流文化的引导、媒体的论述、自我认同与社会实践之下，形成相互影响的组合。

It begins to inactivate when the temperature is beyond 40℃. However, CDH has the ability to resist high concentration of H2O2.CDH catalyze a typical reaction of double substrates and double products, which fits the Cleland'sPing-Pong nmechanism.

CDH具有很强的耐受过氧化氢的能力，在50mmol/LH2O2下保持12小时，仍保存近80%的活力，CDH催化的是一典型的双底物双产物反应，符合Cleland的兵乓反应机制。

In this research, liposoluble chlorogenic laurate was synthesized by the acylation with lauroy chloride in the existence of alkali catalyst in non-water phase, and yellowish CGL powders with a yield of 81.24% were obtained under the optimal synthesis conditions determined via single-factor tests and orthogonal experiments, that is, carrying out the acylation at 35℃ for 8h with a n:n: n ratio of 1:1:1.5 and with dimethylformamide as the solvating agent and the thinner.

文中对绿原酸进行了改性，即在碱性催化剂催化的条件下使其与月桂酰氯进行非水相的酯化反应，得到了脂溶性的绿原酸月桂酸酯。经过单因素及正交试验，确定了最佳合成条件为：以N，N-二甲基甲酰胺作为溶解、稀释剂，绿原酸／月桂酰氯／三乙胺的摩尔比为1：1：1.5，温度控制在35℃，反应时间8h。

Reserpine was found to inhibit chemiluminescence of the Luminol-H_2O_2 reaction catalyzed by Cr~(3+) in basic medium.

研究发现在碱性介质中，利血平对Cr3+催化的Luminol-H2O2体系的化学发光有较强的抑制作用，据此建立了流动注射化学发光抑制法测定痕量利血平的新方法。

The cross-coupling reaction of DOPO with halogenated phenols were achieved for the first time, novel phenolic hydroxyl-containing reactive-type DOPO-based flame retardants used in epoxy resins were synthesized; the cross-coupling reactions of 2\'-hydroxybiphenyl-2-ylphosphinic acid or diphenyl phosphine oxide with halogenated phenols were studied according to the above result, new reactive-type flame retardants used in epoxy resins were synthesized.

采用Pd催化的方法首次实现了DOPO与卤代酚的交叉偶联，合成了新型含酚羟基的反应型DOPO基环氧树脂阻燃剂；在此基础上实现了2-(2-羟基苯基)苯基次磷酸和二苯基氧化膦与卤代酚的偶联，合成了新型反应型有机磷环氧树脂阻燃剂。

Asindicated by the formation of HOTA,the"OH"generated by the Fenton-type reactioncatalyzed by copper ion is different from that generated radiolytic,the former is ratherlocalized and therefore difficult to be scavenged by TA.

对铜催化的类Fenton反应的研究表明，类Fenton反应产生的&羟自由基&与水辐解产生的羟自由基不同，不能被对苯二甲酸全部清除。

The results of analysis show that the shock detached distance computed by two temperature model or three temperature compare well with the experiment data, and the heat transfer rate is highest for one temperature model with non-catalytic wall, and lowest for equilibrium gas model, and the heat transfer rate for perfect gas model is between the non-catalytic wall and fully catalytic wall .

结果表明：采用两温度非平衡气体模型计算的激波脱体距离更接近实验情况；采用平衡气体模型计算的壁面热流最高，一温度非平衡气体模型完全非催化的壁面热流最低，而完全气体模型的壁面热流在两者之间。

The reaction catalyzed by DAK converts DHA into dihydroxyacetone phosphate which is no toxic and can be ustilized by yeast cells. DAK presents in most organisms. DAK genes in the Saccharmyces cerevisiae and P. pastoris were cloned and characterized by a combined genetic and biochemical approach and the proteins encoded by these DAK genes are homodimer.

二羟基丙酮对酵母细胞来说是种有毒的化合物，在酵母菌中二羟基丙酮激酶参与二羟基丙酮的脱毒作用，DAK催化的反应使二羟基丙酮磷酸化，形成无毒性的磷酸二羟丙酮，可为酵母细胞所利用。

The role of the oxidant Ce4 in these reactions seemed ambiguous as it could also act as a Lewis acid.

在这个反应中，由于Ce4作为氧化剂的同时又兼具Lewis酸的酸性，因此，在反应的探索过程中，我们一直无法确定到底是Lewis酸催化的离子反应还是电子转移引发的自由基反应接离子反应。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。