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Mainly discuss fluorborate terne electroplating solution in use for PCB fabrication.

主要论述印制线路板所用硼酸盐镀锡铅溶液。

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The calcium borate product was prepared with natural ulexite powder,through hydrothermal depolymerization and phase inversion.

钠硼解石天然矿粉为原料,经水热解聚和相转化制备出硼酸品。

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The preparation method of potassium pentaborate (KB5O8) was studied with the replacement reaction between potassium chloride and sodium pentaborate solution.

了利用氯化钾晶体和五硼酸钠溶液复分解反应制备五硼酸方法。

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The pilot plant test has proven that boronate passivant can largely improve the thermal performance of coke.

在工业试验充分证明了硼酸基为主钝化剂能够大幅度提高焦炭热性能。

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The oxidation,displacement and esterification of aromatic amines,aromatic amides and organic boranes using sodium perborate as oxidizing agent were reviewed.

综述了过硼酸钠与芳胺、芳酰胺、有机硼化物、醛等化合物氧化,取代、酯化反应。

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Optimization and modeling of boric acid extraction from colemanite in water saturated with carbon dioxide and sulphur dioxide gases.

在二氧化碳及二氧化硫饱和水溶液从硬硼钙石提取硼酸最优化方案

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The Applications of Arylboronic Acid in biaryl synthesis,synthesis of diaryl ethers,synthesis of aromatic amines and catalytic addition reactions were summarized.

综述了芳基硼酸在联芳基合成、二芳基醚合成、芳香胺合成和催化加成反应应用。

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With the mixture tests design, the interaction mechanism of borate, chlorinated paraffin and zinc dialkyldi thiophosphate (ZDDP) additives is studied.

用混料试验设计方法,硼酸酯、氯化石蜡和二烷基二硫代磷酸锌(ZDDP)相互作用机理。

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An investigation is also made on determining DMDAAC qualitatively by bromophenol blue test and quantitatively by tetraphenyl boron sodium precipitation reac...

用溴酚蓝对DMDAAC进行定性分析,用四苯硼酸钠及折光率法进行定量分析方法进行了探讨。

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Based on some calculated borate systems involving BBO crystal,the applications of CALPHAD technique in the crystal growth of BBO is presented.

本文基于所计算部分含BBO晶体硼酸盐体系,了相图计算CALPHAD技术在BBO晶体长过程一些应用。

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There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.

文文摘]通过分子结构设计,合成了一种氮-硼内配位结构硼酸酯偶联剂,解决了硼酸酯水解稳定性差问题,同时分子结构含有氨基、丁氧基等活性基团。

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A series of reversible thermochromic paints were prepared using different kinds of inorganic compounds as filler,cresol red as chromophoric reagent and boric acid as delomorphic reagent.

甲酚红为发色剂,硼酸为显色剂,选择不同无机填料,制备出系列可逆热致变色颜料。

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抢救切尔诺贝利

They hope to smother the fire by filling the reactor with tons of sand and boric acid, which neutralizes radiation.

他们希望透过大量填沙与硼酸 将反应炉火焰闷熄 硼酸可以用来中

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奇趣工程百科

The 100-pound sacks containing the 30,000 pounds of borate being transported by the aircraft were ruptured, spilling powder that briefly rendered the crew blind.

飞机运输装有 30,000 磅硼酸 100 磅重袋子破, 粉末溢出,导致机组人员短暂失明。

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CNN 10 学生英语 2017年11月合集

Their studies helped determine that while compounds like borax, hydrated sodium borate, are effective at cleaning, adding minerals to the soil, repealing pests and manufacturing glass and porcelain, they`re less savory as a food preservative.

他们结果显示,尽管硼砂水合硼酸钠这样复合物在,清洁,给土壤增肥,驱除害虫,制作玻璃陶瓷方面有很好效果,但是作为食品添加剂还是不妥

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