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Diketoreductase is a new class of enzyme, and compared to other oxidoreductase, the unique property is that it can be reduced diketone substrate to corresponding dihydroxy alcohol with high stereoselectivity.

双羰基还原酶（Diketoreductase，DKR）是一类全新的酶，与其他的氧化还原酶相比，其独特之处在于它能够同时还原两个羰基还原成羟基，并有高度的立体选择性。

Based on these, the method for analysing the thermal-mechanical problems during the film depositon is proposed, and some mechanical problems are studied which include the asympototic analysis of the stress and deformation in a nonhomogeneous material layer on a substrate and the weight function method for interface crack problems as well as the mechanics of an interface toughening induced by the dilatant transformation.

本文对这些方面的研究及其成果进行了较全面的评述，并在考察了一个薄膜-基底系统（等离子喷涂ZrO〓陶瓷涂层的工艺研究）的生产研究的全过程的基础上，对薄膜沉积过程中的热-力学分析方法和包括表面异质层中应力变形的渐近分析方法、界面裂纹问题中的权函数方法、相变引起的界面增韧的力学分析方法等在内的一些薄膜-界面-基底系统的力学问题进行了研究。

In addition, a new vicinal diol with potential practical value was prepared by asymmetric pinacol coupling reaction under the inducement of substrate.

另外，利用底物诱导的不对称Pinacol偶联反应合成了具有潜在实用价值的新的手性邻二醇。

The process of dip pen lithography involves the adsorption of ink molecules on AFM tip ,the formation of water meniscus ,the transport of ink molecules ,and diffusion of ink molecules on the substrate .More factors such as temperature ,humidity ,tip ,scanning speed and so on will influence the process of dip pen lithography .

蘸水笔技术的刻蚀过程包括AFM 针尖对墨水分子的吸附、针尖与基底间弯月液桥的形成、墨水分子在液桥中的传输、墨水分子在基底的扩散等四个阶段，并受温度、湿度、针尖、扫描速度等多种因素的影响。

Dip Pen NanolithographyTM is a nanoscate patterning technique in which a microfabricated probe with a molecule-coated, sharpened tip delivers molecules while in contact with and translated across a sample substrate.

蘸水笔纳米印刷术是通过一个携带涂敷分子的微修饰探针的尖锐笔尖将分子通过接触传递到样品底物上去的一种纳米图形技术。

It has unique substrate specificity, and required minimal sugar chain in the degradation direction and synthesis direction of trisaccharide and disaccharide separately.

该酶具有独特的底物特异性，其降解方向和合成方向所需的最小糖链长度分别为三糖和二糖，均比普通的葡聚糖磷酸化酶少一个糖基以上。

There is a relative shift in substrate utilization from CHO to fat and a better abdominal discomfortable when consumption of three days L-L meal.

连续三天进食L-L的CHO食物，运动后期底物消耗出现了由糖氧化供能转向脂肪氧化供能；连续三天的L-L的CHO食物，能够使运动员在运动中出现良好的腹部舒适状态。

Efficacy: it can effectively discompose melanin, inhibit tyrosinase activity, cut off root of melanin generation, deep whiten and nourish skin, remove sallow and dull skin, present whitening and crystalline skin, resist oxidation and remove free radical, promote substrate cells'regeneration and splitting, promote elastic fiber and collagen fiber growth, and resume skin elasticity and luster.

功效：有效分解黑色素，抑制酪氨酸酶的活性，切断黑色素生成的根源，深层美白营养肌肤，去除黄气暗哑，绽放肌肤净白莹采，抗氧化清除自由基，刺激基底层细胞再生分裂，促进弹力纤维和胶原纤维生长，重现肌肤弹性和光泽，玫瑰精油源源不断供给肌肤充足的水分和营养，深度改善细纹和干燥现象，改善肤色，给肌肤前所未有的白皙亮泽。

The results demonstrated that the disinfector dose should be selected based on the materials of substrate.

消毒剂的使用剂量需要根据表面材料种类选择。

In order to understand the change tendency of TRAP in serum of normal human beings,we systematically determined the serum levels of TRAP activity in a group of 237 normal persons aged 0.5-72 years divided into different decades,using P-nitrophenyl phosphate disodium salt as substrate.

本文为观察TRAP活性在正常人血清中动态变化趋势，采用对硝基酚磷酸盐法测定了237例(年龄0.5～72岁，平均年龄35.3±18.0)不同年龄段(每隔10岁为一年龄段)正常人血清TRAP活性。

Connectors are lines that can be anchored to particular places, called glue points , on the graphic object.

连接符，可固定在图形对象的特定的地方的线条。

Another way of putting it, too many agents have a say in each other's work, and bureaucratic rigor mortis sets in.

另一种表达是，太多的作用物在彼此的工作里都有话语权，官僚的僵尸开始抬头。