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Keywords barium carbonate;supersonic airstream;XRD; 碳酸钡;超音速气流;XRD;
Keywords barium carbonate;copper electrorefining;solution purification; 碳酸钡;铜电解精炼;溶液净化;
Keywords barium silicate;barium carbonate;acid hydrolysis;water glass;titrimetric analysis; 硅酸钡;碳酸钡;酸解;水玻璃;滴定分析法;
The structural features and crystalform of the barium carbonate crystal were characterized by SEM and XRD. 用sem和XRD其形貌和晶型进行了表征,结果表明:体系中的丙二酸控制了碳酸钡晶体的生长方向,在纤维状碳酸钡晶体形成过程中起着软模板的作用。
The process quality and using result of high purity barium carbonate prepared with barium hydroxide have been introduced. 介绍八水氢氧化钡制取高纯碳酸钡的工艺、产品质量及用户使用结果。
Corundum grinding media was successfully synthesized with waste aluminum slag, small amount of clay, talc and barium carbonate in this paper. 采用铝型材厂废渣为主要原料,通过添加少量粘土,滑石及碳酸钡复合助烧剂研制刚玉耐磨瓷。
Using barium hydroxide octahydrate and urea as raw material,barium carbonate is prepared by homogeneous precipitation method. 以八水氢氧化钡和尿素为原料,采用均相沉淀法制备了碳酸钡粉体。
The acidproof bricks with high performances were produced by using kaolin,quartz sand,refractory waste,K-feldspar and barium carbonate. 本文利用高岭土、石英砂、耐火材料废料、钾长石和碳酸钡为原料制备出了一种性能良好的耐酸砖。
The results showed that adding barium carbonate to the raw materials could enhance the acid resistance of the acidproof bricks effectively. 通过试验证明,碳酸钡的加入可以有效地提高耐酸砖的耐酸性能。
Abstract: The acidproof bricks with high performances were produced by using kaolin,quartz sand, refractory waste, K-feldspar and barium carbonate. 摘要：本文利用高岭土、石英砂、耐火材料废料、钾长石和碳酸钡为原料制备出了一种性能良好的耐酸砖。
The use of toxic ceramic materials in the potters studio, such as lithium carbonate, barium carbonate and lead frits is still widespread. 使用有毒陶瓷材料，在陶艺家工作室，如碳酸锂，碳酸钡和铅釉仍然很普遍。
Among our catalogue, Barium Chloride, Barium Hydroxide, Barium Carbonate, Phosphorous Acid, 2,3,4-trifluoronitrobenzene, 3,4,5-trifluorophenol, etc. are our partial strong items. 氯化钡，氢氧化钡，碳酸钡，磷酸，2,3,4-三氟硝基苯，3,4,5-三氟苯酚等是我们偏强的项目。
Some signiticant results are obstained.At the same time,a new path which produces the gowd Barium Carbonate and satisfies the demand of relevant industy is found out. 为生产优质碳酸钡产品，满足工业使用部门的需求探索出了一条新的途径。
Extra fine powder of acicular barium carbonate is prepared using barium chiloride and carbamide as raw material by using homogeneous precipitation method. 以氯化钡和尿素为原料,采用均相沉淀法制备针状碳酸钡超细粉体。
Keywords barium stearate;polypropylene;foam; 硬脂酸钡;聚丙烯;发泡;
We have observed similar protection and viability with other water-insoluble compounds such as calcium alginate, dimethylglyoxime, zinc carbonate, barium carbonate, and 1-aminoanthraquinone. 我们已观察到其他非水溶性化合物（如海藻酸钙、丁二酮肟、碳酸锌、碳酸钡及1-氨基蒽醌）也有类似的保护和生存能力。
Keywords barium titanate;nanopowder;solgel; 钛酸钡;纳米晶粉体;溶胶-凝胶;
Keywords barium hydroxide;witherite;barium sulfide; 氢氧化钡;毒重石;硫化钡;
Keywords baritite;Barium Carbonate;Ammonium Bicarbonate method; 重晶石;碳酸钡;碳铵法;
Keywords acidproof brick;acid resistance;barium carbonate; 耐酸砖;耐酸度;碳酸钡;