查询词典 zinc chloride

The results show that the yield of compound 5 reached a maximum of 65% under the optimum reaction conditions, where the pH of the reaction medium was 3.8~4.0, the reaction temperature was 85~90 ℃, and the molar ratio of zinc powder to compound 1 was 2.6:1. The optimum oxidant for the selective oxidation of α-methyl on compound 5 was sulfuryl chloride, and the yield of the product was 52.5%.

结果表明，合成化合物5的最佳反应条件为：反应介质pH值为3.8~4.0，反应温度85~90℃，锌粉与反应物1之间的摩尔比2.6：1，产物收率达到65%；化合物5中α-甲基选择性氧化反应的最佳氧化剂为硫酰氯，产物收率达到52.5%。

Objective To study the effects of Cadmium Chloride and Zinc Sulfate on the growth and metastasis of hepatocellular cacinoma in vivo.

目的 研究氯化镉和硫酸锌对肝细胞癌生长和转移的抑制作用。

Analysis of one trouble in acidic potassium chloride zinc plating

简述了氯化钾镀锌有机添加剂的概况，介绍了氯化钾镀锌溶液的优良性能。

The nano-Co particles were prepared by chemical method from zinc dust and cobalt chloride.

以锌粉和氯化钻为原料，采用化学法制备纳米Co粒子。

Chloride zinc plating with CT-1 type additive containing tetralin has been used for many years in China and widely applied up to the present due to its many superior properties to those of the same type products in today's market.

含有四氢萘的CT-1型添加剂在国内氯化物镀锌中的应用已有很长时间，其性能优于目前市场上的许多同类产品，至今国内仍应用甚广。

Potassium chloride zinc plating technology was introduced, and the use and maintenance of galvanizing bath and passivation solution were detailed demonstrated, as well as some prevention and treatment suggestion were provided to the common troubles in actual process.

摘要介绍了氯化钾光亮镀锌工艺，并主要就氯化钾镀锌液及钝化液使用、维护作了较详尽的阐述，同时针对在实际使用过程中出现的常见故障提出了预防、处理意见。

The absolute average error between experimental values and theoretically calculated values of zinc equilibrium concentration is 11.37% in ammoniacal ammonium chloride solution.

在浸出过程热力学计算的基础上，根据各杂质元素的精选配合物常数，计算出E_Me~(n+/Me-pH关系，绘制了Zn-NH_3-NH_4Cl-H_2O体系净化过程的E-pn图。

In order to provide some scientific data for judging biological toxicity and bioavailability caused by heavy metals in sediments in Guilin, China, for the first time, the authors sampled sediments in different water areas in Guilin, and determined AVS by P-Amino dimethyl aniline dihydro chloride photometry through a set of acidification-ventilation-absorption AVS reaction unit, determined copper, lead, zinc, cadmium and nickel with tomic absorption spectrophotometry, mercury and arsenium with atomic fluorescence, and cipangopaludina cathayensis was selected as the tested species for bioavailability experiment.

首次以桂林水系沉积物为研究对象，通过酸化－吹气－吸收装置，用对氨基二甲基苯胺光度法测定沉积物中AVS含量，用原子吸收分光光度法测定SEM和间隙水中Cu、Pb、Zn、Cd、Ni含量，用原子荧光法测定Hg、As含量。

A UV\|spectrophotometry method was used to determine the content of brightener benzalacetone in potassium chloride zinc electroplating , and many factors affecting the UV absorption were studied such as pH, inorganic salt, sodium higher fatty alcohol polyoxyethylene sulphate, etc.

研究了酸度、无机盐、高级脂肪醇聚氧乙烯醚硫酸钠等对氯化钾型镀锌主光亮剂苄叉丙酮吸光度的影响。

Avene THERMAL SPRING WATER,CYCLOMETHICONE,DECYL OLEATE,OCTYL SILYLATED TITANIUM DIOXIDE,GLYCERIN,C12-15 ALKYL BENZOATE,ZINC OXIDE,SODIUM CHLORIDE,DIMETHICONE COPOLYOL,GLYCERYL STEARATE,PETROLATUM,BUTYLPARABEN,CAPRYLIC/CAPRIC TRIGLYCERIDE,DISODIUM EDTA,ETHYLPARABEN,IRON OXIDES（CI 77491/CI 77492）,METHYLPARABEN,MINERAL OIL,OCTYLDODECANOL o-CYMEN-5-OL,ORANGE OIL,OZODERITE,PEG-30 DIPOLYHYDROXYSTEARATE,PHENOXYETHANOL,PPG-3 MYRISTYL ETHER,PROPYLPARABEN,QUATERNIUM-18 HECTORITE,ROSEMARY OIL,SILICA DIMETHYL SILYLATE,SODIUM MYRISTOYL GLUTAMATE,TITANIUM DIOXIDE（CI 77891）,TOCOPHERYL ACETATE,XANTHAN GUM

成分虽然复杂，但活性物质并不是很多，纯物理防晒，UVA/UVB都有比较完全的防护；其他多为合成酯、硬脂酸、矿物油乳化剂类成分，最后有一点植物精油；诉求就是温和防护，整体比较厚重，而且有物理防晒的通病泛白；针对敏感类皮肤成分多了点，除了防晒无其他功效，保湿性一般。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。