查询词典 additive

The results showed that the two synthesized compounds have good thermal stability; two synthesized compounds as additives in 5 cst possess rather good antiwear property and load-carrying capacity, and the antiwear ability of the additive loma is stronger than that of the additive boma; there is a pronounced synergism between the additives loma/boma and zddp in terms of the anti-wear property and load-carrying capacity.

发现两种化合物有很好的热稳定性；两种化合物作为润滑油添加剂在5 mm2/s基础油中有相当好的抗磨性能和承载能力，其中含有三嗪环的抗磨添加剂比不含三嗪环的抗磨能力好；两种抗磨添加剂均与zddp有很好的协同抗磨减摩作用。

By studying the membrane preparation process for the typical membrane materials of polystyrene and cellulose acetate as well as a new type membrane material of polyvinyl butyral,the effects of operating parameters on the membranes structure are determined.By the study on the thermodynamics involved in the ternary systerms of ScCO_2/solvent/polymer and the calculation of theoretical ternary phase diagrams,the phase demixing behavior during the membranes formation by ScCO_2 induced phase separation process are described.By studying thermodynamics involved in the quaternary systerms of ScCO_2/solvent/additive/polymer,the effect of a low molecular weight additive on the quaternary phase diagram and dimixing speed are revealed.

通过对传统膜材料聚苯乙烯、醋酸纤维素及新型膜材料聚乙烯醇缩丁醛进行ScCO_2诱导相转化制膜工艺的实验研究，给出了操作参数对膜形态结构的影响规律；通过研究ScCO_2/溶剂/聚合物三元体系热力学问题，并计算出相应铸膜体系的三元相图，对ScCO_2诱导相转化膜制备过程的分相成膜行为进行了分析与描述；通过研究ScCO_2/溶剂/小分子添加剂/聚合物四元铸膜体系的热力学问题，并借助于四元体系理论相图计算的结果，分析了小分子添加剂对相分离过程的影响。

On the base of review the development of lithium-ion battery and its additive in detail, carbon bisulfide(CS_2) was chosen as the film-forming electrolyte additive by theory calculation.

论文详细评述了锂离子电池及其添加剂的发展现状，通过理论计算，确定二硫化碳作为SEI膜成膜添加剂。

This essay tries to improve the performance of mineral additive agent and compound many kinds of existing chemic additive agent.

本文对水泥稳定类基层外加剂进行研究是在已有研究的基础上，对其进行了改良，并在此基础上复合了不同种类的化学外加剂。

The results of the reaction show that better regioselectivity is obtained when Cd2+ is used as additive and give stereoselective product when cinchonine is used as chiral additive.Keywords: NaBH4, Regioselective,Stereoselective,Benzoyl acetone,Metal ion

结果发现，不同的金属离子添加剂使反应出现不同的化学选择性，而Cd2+离子对苯甲酰丙酮的还原具有较好的化学选择性，同时在辛可宁存在条件下得到了对映体过量的产物。

Meanwhile,The distributed pattern of PURF particles is observed by microscope.The results show that the bearing capacity of cellular columniation is evidently improved by the infilling of additive.With the increasing content of additive,the compress strength of PURF was effectively enhanced f...

实验结果表明，泡孔支柱处的增强剂加强了其承载能力，有利于压缩性能的提高；随着增强剂用量的增加，PURF压缩强度和模量先增加后降低，即增强剂用量处于最佳用量范围内时，PURF体现最好的压缩性能；并随着纯聚氨酯硬质泡沫塑料密度的增加，其压缩性能有显著的提高。

In order to optimize an effective combined preservative applied to the orange juice preservation, the authors studied the synergistic effect of biological and chemical combined preservative which contained Nisin, potassium sorbate, EDTA and sodium isoascorbate in preservation of orange juice compared to preservation effect of each aforementioned additive in individual use. Results show that the growth of microorganisms can not be inhibited completely using each aforementioned additive in single use.

该文以天然生物防腐剂乳酸链球菌素、化学防腐剂山梨酸钾、乙二胺四乙酸以及食品抗氧化剂异Vc钠为原料，对通过复配后得到的各组复合型防腐剂在橙汁保鲜中的协同增效作用进行研究，并且与单一的防腐剂保鲜效果进行比较，得出一组适合在橙汁中使用的高效复合型防腐剂。

By adding YJ-504 corrosion inhibiting composite concrete additive and adopting the match technique of slag powder and fly ash,the high performance concrete shows excellent properties of low Cl-diffusion coefficient and freeze-thaw cycles ;The property of corrosion inhibition on steel of YJ-504 corrosion inhibiting additive satisfies completely the demands of related standard.

采用YJ-504复合型混凝土防腐阻锈剂，辅之以矿渣粉和粉煤灰双掺技术配制的高性能混凝土，表现出优异的抗氯离子扩散、抗冻融循环破坏性能；YJ-504复合型混凝土防腐阻锈剂的阻锈性能完全满足相关标准规定要求。

Using B Grade bauxite as bone material and A Grade bauxite as powder,different binder composition castable for permanent lining fo fundish were studied,with cyanite and sillimanite as expansion additives and Zimujie clay as sinter additive and plastic additive.

以B级高铝矾土熟料为骨料，A级矾土熟料为基质料，同时加入蓝晶石、硅线石为膨胀剂，紫木节粘土为烧结剂、塑化剂，研究了分别采用硅灰、高铝水泥、水玻璃、复合结合剂等为结合剂的不同配方组成的浇注料。

The results show that the addition of cross-linker makes tensile strength of the material greatly increase. After the addition of dialdehyde starch, the tensile strength raises from 7. 2MPa to 13. 2 MPa. However, the strength of the material cross-linked by TDI greatly increases when the additive level is less than 10％ while the tensile strength of sample whose additive level is 20％ is even worse, which is mainly caused by the inner-flaw after cross-linking.

结果表明，交联剂的加入使材料的强度得到较大的改善，添加双醛淀粉后，材料的强度从原来的7.2MPa提高到13.2MPa，而添加TDI的材料在添加量10％以前强度有较大的提高，但20％添加量的样品的强度却很差，主要是由于形成的内部缺陷造成的。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。