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boron

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boron

英音:/'bɔːrɒn/美音:/'borɑn/ 全球发音: 生词本: 添加笔记:
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boron nitride ;一氮
boron carbide []
cubic boron nitride [材料学]立方氮
boron trifluoride 三氟
boron steel
boron oxide ;二氧

boron (tri) fluoride etherate;boron fluoride ethyl ether;

名称 三氟-乙醚络合物;

Boron lithium oxide;Lithium borate;Dilithium tetraborate;boron lithium oxide (b4li2o7);lithium tetraborate; ...

酸二锂;酸锂;四酸锂;焦酸锂;四酸锂香港

bending strength and thermal shock resistance were improve by addictivity of Boron nitrid.

在该体系中引入氮后,复合材料强度和抗热震性能得到提高。

Azomethine H Spectrophotometric Method for Determining Boron in Humic Fertilizer is described.

本文介绍了采用甲亚胺-H酸分光光度法分析腐植酸类肥料中元素方法。

Crystalline polypyrene microsheets were electrosynthesized in the medium of boron trifluoride diethyl etherate for the first time.

4.在三氟乙醚介质,聚合芘首次制备出结晶型聚芘微米片。

Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.

二茂铁基苯基甲醇与三氟-乙醚溶液在二氯甲烷中作用,形成二茂铁苯基甲基正离子。

The carbothermic method of preparation for titanium diboride with titanium oxide and boron oxide in an arc furnace is studied.

研究了弧炉热还原氧钛和氧制取二方法,制备出相对纯度大于95%钛。

The separation conditions of carboboride and boron nitride were established by detecting the dissolution curve of electrolytical residua.

通过测定解残渣溶解曲线,确定了物与氮相定量分离条件;

"Boron: Semimetallic chemical element, chemical symbol B, atomic number 5.

:半学元素,学符号B,原子序数5。

Zhuanmiao boron deposit is a szaibelyite deposit which is located in Liaoning-Jilin rift zone.

砖庙矿为产在辽吉裂谷带镁石矿床。

Boron carbide can be obtained by means of thermal decomposition of triethylborane, tripropylborane and tributylborane, respectively.

以合成三乙基、三丙基和三丁基为原料通过热裂解制备纯度较高超硬材料;

Those minim nutritive elements' contents wane obviously ,such as quickly availablephosphor, Kalium Potass, Boron ,etc;

土壤速效性磷、钾、等大量、微量营养元素含量明显亏缺;

"At low applied forces, the hardness of rhenium diboride is equivalent to cubic boron nitride, the second-hardest material known, Kaner said.

在低作用力下,二硬度与立方结构相等,而氮是第二硬材料。

By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.

同时,对所拟溶样条件下所得分析结果是否为全问题进行了进一步探讨,结果证实,所拟溶样条件下测定结果为全

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,用四苯酸钠及折光率法进行定量分析方法进行了探讨。

Thus, the boron-bearing rock system and the magnesian rocks are the foundation of the borate deposits, whereas regional metamorphism and migmatitization and tectonism are the necessary conditions.

岩系、镁质容矿岩石是矿形成物质基础,区域变质及混合岩作用、构造活动是矿形成必要条件。

Rare earth metals, such as metallic neodymium and metallic didymium (metallic praseodymium-neodymium), are used for rare earth magnets, mainly neodymium-iron-boron magnet.

稀土,如钕和皮(镨,钕) ,用于稀土磁铁,主要钕铁磁铁。

The effect of rare earths on the kinetics of boron-aluminized layer growth of armco iron using pasty method at 890, 920 and 950 ℃ was studied.

采用膏剂法在890,920和950℃对工业纯铁进行稀土铝共渗及铝共渗,考察了稀土在各温度条件下对渗层生长动力学影响。

The boron deficiency plant appears inter-venial chlorosis, thickening, crisping leaves and increased leaf weight ratio (LWR).

使叶重比(LWR)提高和叶片脉间失绿、变厚、变脆。

The Didot Perceval, named after the manuscript\'s former owner, and purportedly a prosification of Robert de Boron\'s sequel to Joseph d\'Arimathie.

迪多珀西法尔,以手稿前主人来命名,据称是罗伯特描写约瑟夫·达里玛蒂故事一个结局。

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noonflower, nooning, noonkambahite, noon-mark, noonstead, Noontec, noontide, noontime, no-operation, no-ops,

相似单词


borolanite, Borolin, boroll, borolon, boromycin, boron, boron trifluoride, boronation, boronatrocalcite, boron-doping,
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