查询词典 magnesium borate

On the basis of the topological structure of FBB and their polymerization in borates(isolate, chain, layer and framework), a new systematic borate-classification is put forward,and all available borates are classified.

依据FBB自身的拓扑结构不同和在晶体结构中的排布方式不同(孤立、成链、成层、成三维网架)对所有可用的硼酸盐进行了系统的分类。

X=0, 11, 22, 33, 44, and 55 borophosphate glasses series have investigated, and it is found that:(1) both the covalency bonding between Yb〓 ion and oxygen ion and the asymmetry in local structures surrounding Yb〓 ion have strong effects on integrated absorption cross section ∑〓 and emission cross section σ〓 of Yb〓 ion in borophosphate glasses;(2) the borophosphate glasses and borate glasses appear superior as Yb-gain media to the phosphate glasses, although the phosphate glasses have been demonstrated as the most appropriate Ndgain media.

在第二章中，我们对〓（x=0，11，22，33，44，和55）系列的掺Yb〓硼磷酸盐玻璃的吸收光谱和发射光谱特性进行了研究，结果表明：（1）在硼磷酸盐玻璃中，Yb-O键的共价键成分和Yb〓离子周围的近邻结构的对称性两个因素对积分吸收截面∑〓和受激发射截面σ〓的影响都很大；（2）尽管磷酸盐玻璃是最合适的掺钕激光增益基质，但是作为掺镱的激光增益基质，硼磷酸盐玻璃和硼酸盐玻璃都要优于磷酸盐玻璃。

The tribological properties of 500 SN oil containing nanometer copper borate were investigated with a four ball machine and a block on ring friction and wear tester.

结果表明：纳米硼酸铜使500SN基础油润滑下的摩擦系数略有增大，并使其抗磨及承载能力提高；其最佳添加量为0.70%～1.10%；纳米硼酸铜颗粒在摩擦表面发生了摩擦化学反应，生成了由B2O 3及FeB等组成的表面保护膜。

At present the company mainly engaged in natural fatty alcohol products (C8-10, C12-14, C16-18 and various pure distillate), fatty alcohol polyoxyethylene ether, the basic sub-nonyl polyoxyethylene ether, polyethylene glycol and penetrant series over 100 varieties and zinc powder Insurance Law, Insurance Law sodium powder, hair bleaching agent, carved white block , carved white zinc, zinc oxide, zinc borate, sulfur dioxide and so on.

目前公司主要经营产品有天然脂肪醇（C8-10、C12-14、C16-18及各种纯馏分）、脂肪醇聚氧乙烯醚（AEO、OS及平平加O）、壬基本分聚氧乙烯醚、聚乙二醇和渗透剂系列100多个品种和锌粉法保险粉、甲酸钠法保险粉、漂毛剂、雕白块、雕白锌、氧化锌、硼酸锌、二氧化硫等。

The ethylene-vinyl acetate copolymer formulations containing nanoscale aluminum hydroxide as a flame retardant,organic montmorillonite and zinc borate as synergists were prepared by melt-blending.

采用熔融共混挤出法制备纳米氢氧化铝为主体的阻燃乙烯-醋酸乙烯共聚物材料，研究了阻燃增效剂纳米有机蒙脱土与硼酸锌对复合材料阻燃、力学与电学性能的影响。

The active zinc borate, hydrophobic and oleophilic, is prepared, using borax, zinc sulfate, boric acid and fatty acid or its salt as the material and water as the solvent, by controlling the proper reaction temperature, solid-to-liquid ratio, material ratio, reaction time and the addition quantity and time of the fatty acid or its salt and by filtering, drying and pulverizing.

本发明以硼砂、硫酸锌、硼酸和脂肪酸或其盐为原料，以水做溶剂，通过控制适当的反应温度、固液比、物料比、反应时间及脂肪酸或其盐的加入量及加入时间，通过过滤、干燥和粉碎制备出疏水亲油的活性硼酸锌。

The purification method is that the oxalic acid difluoro lithium borate needing to be purified is dissolved in solvent with high solubility first, then the solution is mixed with nucleation agent, the mixed solution is performed through solid-liquid separation, crystallized solid matters are put in a vacuum drying oven for drying, so that purified LiODFB products are obtained.

一种草酸二氟硼酸锂的提纯方法，该方法是先将需提纯的草酸二氟硼酸锂溶解在溶解性高的溶剂中，然后将该溶液与析晶剂进行混合，通过固液分离，将析晶出的固体物质置于真空干燥箱中干燥，即得纯化的LiODFB产品。

The gear oil with this borate as the main additive has passedthe bench test for hypoid gear in Red Banners car.

以硼酸盐为主剂的齿轮油通过了红旗牌轿车的双曲线齿轮台架试验。

Methods Several borate-sugar combinations as baits were evaluated in no- choice assays in laboratory, the oral toxicity was determined for German cockroach.

以硼酸－糖溶液为毒饵，研究其对德国小蠊的防治功效。

Trace elements in Herba abri were determined by ICP atomic emission spectroscopy. The result showed that the content of calcium, magnesium, zinc and iron was abundant. The relation between these beneficial elements in body and health were discussed.

用电感耦合等离子体发射光谱仪测定了湛江人工栽培的鸡骨草中微量元素含量，发现其钙、镁、铁、锌等元素的含量都较丰富，并讨论了这些有益元素与人体健康的关系。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切