查询词典 sulfur black

Southerly chemical sodium salt reserves of the world's resources, in the chlor-alkali, on the application of a wide range of industries, sulfur prices, high cost of sulfuric acid, using Glauber's salt potassium sulfate system, such as the value of barium sulfate sulfate product is the most economical method, also developed chemical southerly "Dead Sea" floating black mud bath and leisure projects.

南风化工硫酸钠盐的资源储量居世界第一，在氯碱、日化行业中应用广泛，硫磺价格高涨，硫酸成本高，用芒硝制硫酸钾、硫酸钡等高值硫酸盐产品是最经济的方法，南风化工还开发"死海"漂浮和黑泥浴休闲度假项目。

" Niello: Black metallic alloy of sulfur with silver, copper , or lead, used to fill designs that have been engraved on the surface of a metal object, usually of silver."

黑金镶嵌：银、铜或铅的硫化黑色合金，用来镶嵌金属表面雕刻的图案。

The silver accessories nigrescence changes yellow is the normal natural phenomenon, because in the air and other natural medium's sulfur and the oxide compound and so on have certain corrosive action to the silver, after wearing period of time, will present some small spots, the long time will proliferate Large expanse, will turn the black.

银饰品变黑变黄是正常的自然现象，因空气和其它自然介质中的硫和氧化物等对银都有一定的腐蚀作用，在佩戴一段时间后，就会出现一些微小的斑点，久之会扩散成片，甚至变成黑色。

Later, people made up black gunpowder with niter, sulfur and charcoal of certain proportions on the basis of the formula.

后来，人们根据这个配方，将硝石、硫磺、木炭按一定比例配制在一起，制成了黑火药。

The invention relates to a pipeline polyurea outer anticorrosive coating and the making method thereof, making heated prepolymerization reaction on dibenzo-methane diisocyanate, carbodiimide diisocyanate, polyether binary alcohol and polyether trihydric alcohol to prepare prepolymer solution A, and making end amino polyethylene oxide ether, dimethyl sulfur-based toluene diamine, diethyl diamine, iso-propyl titanate solution, polyacrylate, carbon black, titanium dioxide and lightweight calcium carbonate into solution B, and as using, respectively heating the solutions A and B to 65 deg.C and then mixing them, then quickly spraying and curing to form a coat.

本发明涉及一种管道用聚脲外防腐涂料及制造方法，由二苯基甲烷二异氰酸酯、碳化二亚胺化二异氰酸酯、聚醚二元醇和聚醚三元醇通过加热预聚反应制成预聚物的A液、由端氨基聚氧化乙烯醚、二甲硫基甲苯二胺、二乙基甲苯二胺、钛酸异丙酯溶液、聚丙烯酸酯溶液、碳黑、钛白粉和轻质碳酸钙配制而成的B液组成，使用时将A液和B液分别加热至65℃后混合，然后快速喷涂固化形成涂层。

The Company to sell the ancient Malone, stearic acid, zinc oxide, antioxidant, accelerator, sulfur, carbon black, flame retardants and other accessories mainly.

本公司以销售古马龙，硬脂酸，氧化锌，防老剂，促进剂，硫磺，碳黑，阻燃剂等辅料为主。

Products: applicable to sulfur vulcanization system, and enhance the inorganic filler and rubber and a combination of dispersion, to improve wear resistance and strength products, lower compression set; particularly suitable for filling in the white carbon black reinforced rubber Tim formula system.

产品介绍：适用于硫磺硫化体系，增强无机填料与橡胶的结合及分散，提高制品的耐磨性及强度，降低压缩永久变形；尤其适合于白碳黑填充补强胶料配方体系。

Mukamal and colleagues used meterological and pollutant monitors to measure air temperature, barometric pressure, humidity, and a range of pollutants such as fine particulate matter, black carbon, and nitrogen and sulfur dioxides.

Mukamal和他的同事利用气象和污染物监测来衡量空气温度，气压，湿度以及一系列的污染物如细颗粒物、黑碳、氮和二氧化硫。

Mukamal and colleagues used meterological and pollutant monitors to measure air temperature, barometric pressure, humidity, and a range of pollutants such as fine particulate matter, black carbon, and nitrogen and sulfur dioxides.

Mukamal和他的同事利用气象和污染物监测来衡量空气温度，气压，湿度以及一系列的污染物如细颗粒物、黑碳、二氧化氮和二氧化硫。

Through modifying proportions of potassium nitrate, sulfur, phenolophthalein and potassium hydrate, formula of charcoal-free black powder is optimized by replacing charcoal with reactant of phenolphthalein and potassium hydrate.

以酚酞和氢氧化钾的反应物替代木炭，通过调整硝酸钾、硫磺、酚酞及氢氧化钾的混合比例对无木炭黑火药配方进行优化设计，对比研究了普通黑火药与无木炭黑火药在机械感度、静电火花感度、热分解过程及输出特性等方面的差异。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。