查询词典 additives

Owing to the abroad application of Candida rugosa lipase in the resolution of racemic aminoacides, the prepared lipase was used in the resolution of phenylglycine and tert-leucine. Through the optimization of the reaction conditions, such as reaction substrate, pH, temperature, ion strength and additives, enantiomeric excesses for phenylglycine and tert-leucine reached 96% and 90.1%, respectively, enantiomeric ratio came up to 28. 9 and 15. 4, respectively.

鉴于该酶广泛应用于手性化合物的拆分研究，本论文中选用了两种手性氨基酸作为拆分对象，通过对反应体系中一系列条件的优化，包括底物、pH、温度、离子强度以及添加物的使用，苯甘氨酸和叔亮氨酸的对映体过量值分别达到96%和90.1%，对映催选择率分别达到28.9和15.4。

Utilizing Chinese philter herbs as feed additives, sow reproductive performance was improved. Eighty sows were divided into one comparison-group and three experimentation-groups, and two propagate-cycles were observed.

为进一步探明中草药添加剂对提高母猪繁殖性能的确切效果，将80头经产母猪均分成对照组和各用1个试验药方的3个试验组，进行了2个繁殖周期的试验。

The effects of the corrosive accelerator,acid ratio,phosphatizing temperature,phosphatizing time and the additives on zinc phosphatization of aluminum alloy were investigated.

以LY12铝合金为试样，讨论了腐蚀加速剂、酸比、磷化温度、磷化时间、磷化添加剂对铝合金磷化的影响，得出了相应的最佳工艺参数。

The conductive photolithographic film comprising about 50% to about 60% of a mixture of epoxy acrylate, a thermal curing agent, and a conductive polymer; about 20% to about 30% of a lithographic reactive component; about 10% to about 15% of a photo-active material; and about 3% to about 5% of additives that enhance conductivity of the conductive photolithographic polymer.

所述导电性照相平版印刷膜包含约50％-约60％的环氧丙烯酸酯、热固化剂和导电性聚合物的混合物；约20％-约30％的平版印刷活性组分；约10％-约15％的光活性材料；和约3％-约5％的添加剂，所述添加剂增强所述导电性照相平版印刷聚合物的导电性。

However, the additives also changed the physiochemical properties of the water mist, which should be selected according to the situation where the chlorine is leaked.

但添加剂的加入，却改变了细水雾的特性及理化性质等，因此需要根据实际的氯气泄漏情况，选择合适的洗消添加剂。

Studies of these electrochemical failure mechanisms and improved materials such as battery separators, plate additives, and lead alloys for the current collectors have led to improved battery performance and life.

研究这些失效模式的电化学机理，改进电池隔膜、电极添加剂和集流体的铅合金材料等能够增强电池的性能和寿命。

Strong technical force, with complete plating additives, testing equipment, and featured the physical and chemical laboratories.

公司技术力量雄厚，拥有完善的电镀添加剂检测设备和功能完善的理化实验室。

These in a ploughshare mixer generated mechanical fluid bed enlarge the surface of the ore concentrate this promotes uniform mixing of all the individual particles with Betontit and other dry or if required with wet additives.

犁铧式混合机产生的机械流化床原理将增大提高铁精矿表面积，这将提高每种材料颗粒混合均匀度，像膨润土，和其他干的或者要求所需的湿的添加剂

The effect of additives combined polyalcohol anion surface active agent with alkali activator or high efficiency sulfonate water-reducing agent on physic-chemical performance of slag powder and slag-cement system pastes have been studied.

选择多元醇类阴离子表面活性剂分别与碱性激发剂和高效磺酸盐减水剂进行复合，研究了复合添加剂对矿渣粉体和矿渣-水泥浆体的物理化学性质的影响。

Based on the strict requirements of safely and fleetly deep drilling and reservoir protection to drilling fluid in drilling engineering, the modified polyalcohol anti-sloughing agent was developed and then a new alcohol drilling fluid was gained through screening other additives and optimizing formulation.

基于钻井工程中安全快速钻进及油气层保护对钻井液的严格要求，开发出了改性多元醇防塌剂，在此基础上通过优选其他处理剂和配方优化研制出了一种新型醇类钻井液。

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。