当前对高对映体纯物质的需求越来越大，这就对催化剂提出了更高的要求。
The increasing need of compounds with high enantiomeric purity requires catalysts with an improved and controlled performance.
在许多领域中，尤其是在药物工业领域，获得单一对映体纯的手性化合物是非常必要的。
It is necessary to obtain enantiomeric purity compounds in many fields, especially in pharmaceutical industry.
消息可以是纯文本或XML，您可以使用isSetBody确定消息体是否已设置。
The message can be plain text or XML, and you can use isSetBody to determine whether the message body has been set.
从表面看，它像是“纯素主义”，也被称作“纯素主义”，但它只是一种觉醒，是我们同一体意识的示现。
From the outside, it may look like and be called "veganism," but it is simply awareness and the expression of our sense of interconnectedness.
摘要该蛇绿岩带的岩体由地幔橄榄岩组成，主要岩石类型是方辉橄榄岩和纯橄榄岩，缺少典型蛇绿岩剖面中的洋壳单元。
The Ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical Ophiolite suite.
在这个含糊的指示下，艺术家们为了确定格里弗斯将军的外貌，进行了许多探索，有些设计稿是纯机械体的，有些则是半机械体。
From that vague direction, the artists developed a lot of explorations, some purely mechanical, some not, for the look of General Grievous.
任何事物都是“纯”与“不纯”的统一体，“纯”与“不纯”各有其存在的价值和意义，并在一定的条件下相互转化。
As everything is the unity of pureness and impureness, both have their value as well as significance, and they can transform into each other under certain conditions.
指出了我国在超纯铁素体不锈钢生产和应用方面今后努力的方向。
This article gives the direction to produce and apply ultra pure ferritic stainless steel in China.
材料：优质的铝合金压铸成型，高压铸铝灯体。纯硅胶密封圈，钢化玻璃。
Material: high quality aluminum alloy die-casting molding, high-pressure cast aluminum lamp body. Pure silicone seal, tempered glass.
在绝对零度时，纯半导体所有电子都紧紧结合在一起，因而显示出绝缘体的性质。
At absolute zero, a pure semiconductor has all of its electrons tightly bound and ACTS as an insulator.
目的：研究微型纯钛种植体承受正畸力后的稳定性。
Objective: To study the stability of micro implant anchorage under orthodontic force.
介绍了天然物不一定是纯的对映体；
纯钛牙种植体因生物相容性好、质轻、强度好等而广泛应用于临床，成功的满足了患者的生理功能需求。
Titanium implants have been used widely in hospitals because of the fine biocompatibility, light weight, high strength etc. which meet successfully the patients physiologic demand.
结论纯钛支架义齿采用附着体固位可以达到满意的修复效果，值得推广。
Conclusion It was perfect effects in clinic to use the attachments in pure titanium frame removable dentures.
对处于熔点以上的纯铝施加电脉冲，通过对铝锭的多次重熔实验，研究了其熔体结构的遗传性。
The heredity of pure aluminum melt under the action of pulse electric field was investigated by means of repetitious remelt experiment.
流动相为纯乙腈时，焓和熵对对映体的拆分均有贡献。
Additionally, enthalpy and entropy both contributed to enantioseparation when mobile phase was acetonitrile.
研究了不同的熔体处理方法对纯铝铸锭超声波除气的影响，分析了影响超声波除气效果的原因。
The effect of melt treatment method on degassing efficiency of ultrasonically refined pure aluminum ingots was investigated. Furthermore, the mechanism of ultrasonic degassing was analyzed.
纯合的四倍体是一个相对平衡的系统，继续选择是无效的。
Homozygous tetraploid is a relatively balanced system, the continued selection is invalid.
本文研究了纯奥氏体焊缝和奥氏体-铁素体焊缝凝固裂纹特征，探讨了铁素体防止焊缝凝固裂纹的作用。
The characteristics of fully austenitic weld metals and austenitic-ferritic weld metals were investigated and the ability ofd-ferrite to prevent solidification cracks was studied.
采用等离子体源离子注入方法，将氮离子注入纯铁粉中，对样品进行穆斯堡尔谱研究。
Mssbauer measurements have been carried out for pure iron powder samples, the whose surface was implanted with nitrogen ions by plasma source ion implantation techniques.
采用高纯锡，通过自行设计的直流电弧等离子体蒸发设备制备了纯净的纳米锡粉。
The nanometer tin powders were prepared by DC arc plasma evaporation method using a self-designed and fabricated apparatus.
信阳青山纯电动汽车科技有限公司是一个集纯电动汽车研发、生产于一体的高新技术型企业。
Xinyang electric vehicles Technology Co., Ltd. is a set of pure electric vehicle research and development, production of high-tech enterprises.
以轴对称非定常欧拉方程为基础，建立了激光推进火箭发动机吸收室内纯气相单组分、以激光等离子体为内热源的流场模型。
A gas flow model with laser plasma as heat source was developed based on axial symmetric Euler equations in the laser propulsion rocket engine absorption chamber.
最后对高纯碳酸锶纳米粉体的制备技术进行了综述。
Methods of preparing nanometer strontium carbonate with high purity are also reviewed.
采用直流电弧等离子体蒸发-凝聚法制备了高纯氮化铝(ain)纳米粉末。
Nanosize aluminium nitride (AIN) powder was prepared by evaporating and nitriding high purity aluminium in DC arc plasma reactor.
拱脚处也由于拱体对外力的自我调节作用而变得比纯竖向构件小的多。
Due to the self-accommodation effect which the external force ACTS on the arch, the stress in the springe gets lesser too.
对于等同配位体的相互作用，以纯矩阵代数方法，得到饱和曲线，分子构象-配位体曲线以及某些关连函数等等。
For homotopic interaction, the saturation curve, molecular conformation vs ligand curve and certain correlation functions etc. are obtained by means of pure matrix algebra.
实验证明，根据这一原则设计的开缝纯体燃烧器对低挥发分煤粉的着火与火焰稳定具有较好的适应性。
Experiments show that a new-type pulverized coal burner with a slit bluff-body designed on the said principle is suitable for the ignition and flame stability of low volatile pulverized coal.
实验证明，根据这一原则设计的开缝纯体燃烧器对低挥发分煤粉的着火与火焰稳定具有较好的适应性。
Experiments show that a new-type pulverized coal burner with a slit bluff-body designed on the said principle is suitable for the ignition and flame stability of low volatile pulverized coal.
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