查询词典 calcium carbonate

After adding nano-calcium carbonate ,the rubber's hardness changed little and it can prolongate curing time.

加入纳米碳酸钙会影响硫化时间，一般迟延硫化，并用炭黑越多，硫化越快。

The paper aimed at the burning spent gases and calcium carbonate nanoparticles can be successfully synthesized by wet-chemical segregative decarbonization technique, while another environmentally conscious materials- oxynitride ceramics Sialon etc.

本文以燃烧烟气为对象，采用湿式固碳分离技术合成纳米碳酸钙，处理后的氮气制备氧氮化物环境友好陶瓷，达到抑制碳排放和资源增效多重目的，为挑战该世界技术难题奠定了扎实的基础并提出展望。

Nano-calcium carbonate/polymer composite particles were prepared by soapless emulsion polymerization of methylmethacrylate and Butyl acrylate on the surface of nano-CaCO3 in nano-CaCO3 aqueous suspension.

经甲基丙烯酸甲酯和丙烯酸丁酯双单体聚合包及的纳米碳酸钙形成了核壳结构增韧复合微粒。

Four different power samples,sulfanilic acid anhydrous,soluble starch,graphite and calcium carbonate,with different content of carbon were used to determine the influence of element speciation on the properties of laser-induced spectroscopy.

对具有不同碳元素存在形态的4种化学纯试剂(无水对氨基苯磺酸、可溶性淀粉、石墨和碳酸钙)进行激光诱导击穿光谱实验。

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。

Resistance of Bacillus subtilis var. niger Spores Occluded in Water-insoluble Crystals to Three Sterilization AgentsJOHN E. DOYLE AND ROBERT R. ERNSTResearch Laboratory, Castle Company, Rochester, New York 14623The resistance to destruction of spores of Bacillus subtilis var. niger occluded in crystals of calcium carbonate and exposed to ethylene oxide and moist and dry heat was determined and compared with the destruction of unoccluded spores.

检测了封闭在碳酸钙晶体中的枯草杆菌黑色变种芽孢暴露于环氧乙烷、湿热和干热中的耐受性，并与未封闭孢子的破坏相比。

The calcium carbonate prepared by the gas-liquid intermittence carbonization reaches the excellent index requirement of HG/T2226-2000 by examination, the purity of which is 99.2%, whiteness is 94 degree, crystal shape is virgulate.

气-液间歇碳化法制备的碳酸钙产品符合HG/T2226-2000中优等品的指标要求，其纯度为99.2%，白度为94度，产品粒子的晶型为棒状。

As demonstrated in 1998, 2002 and 2006, corals expel their photosynthesising zooxanthellae (which provide up to 90% of the coral's energy requirements)[28] and turn colourless, revealing their white calcium carbonate skeletons, under the stress of waters that remain too warm for too long.

正如1998年、2002年与2006年表明的那样，珊瑚将光合作用产生的共生藻（提供百分之九十能量需求）从体内驱逐出去，颜色变淡，在水压之下显现出碳酸钙的白色骨骼，水温使其无法持久生存。

Two common types of calcium carbonate crystal are calcite and aragonite. Many calcifying organisms are able to control the respective growth of these two crystal types which have different solubilities.

常见的碳酸钙结晶有方解石及霰石，钙化生物能控制这两种结晶各别的成长率，这两者在水中有不同的溶解度。

By adding different additive during carbonating process, cubic, spherical and chain calcium carbonate are prepared. Moreover, ultrasonic technique is used in the experiment.

通过在碳化反应过程中向反应溶液加入不同种类的添加剂，制备出了立方形、球形、链状碳酸钙，且其平均粒径均小于100nm。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。