查询词典 adamantine boron

Zhang said that when the men were divided into four groups, or quartiles, based on their consumption of boron, the men in the highest-consumption group had ''a 64% lower risk of developing prostate cancer.

所有研究对象都要回忆过去一天中自己的饮食情况，然后研究人员根据他们饮食中硼的含量，将他们分成四个组来分析。

Polyborosilazane, a precursor to SiBNC ceramic, was synthesized via cocondensation approach using methyldichlorosilane (MeHSiCl2), boron trichloride (BCl3) and hexamethydisilazane as starting materials. SiBNC ceramics were obtained by pyrolysing the as-synthesized PBSZ in N2 or NH3/N2 atmospheres.

以甲基氢二氯硅烷、三氯化硼、六甲基二硅氮烷为起始原料，采用共缩合原理合成了聚硼硅氮烷先驱体，将PBSZ分别在N2和NH3/N2气氛中高温热解得到SiBNC陶瓷。

Aminophenyl ketones can be synthesized from different anilines and nitriles in the presence of boron trichloride, or from anilines by Friedel-Crafts reaction.

邻氨基芳香酮则可以由不同取代的苯胺与不同的腈在三氯化硼的作用下生成，或者通过傅克酰基化反应得到。

ACQ-DB is a water-based wood preservative that contains copper and Quaternary Ammonium Salts and boron-containing compounds.

ACQ-DB 是一种水溶性木材防腐剂，其主要活性成分包含铜、季铵盐、硼化合物。

Since 2002, the company has developed various types of more than 20 kind of the dry and wet type of sandblast machine altogether (aluminium quality, copper, iron, gather urethane sandblast machine), more than 100 kind of nuzzle (including in wolfram steel, carbonization boron, carborundum, compound pottery and steel nuzzle), and other many kinds of sandblasting machine fittings, the great one has met lots of sandblast machine factory and sandblast sales departments to many kinds of demands for sandblast machine.

从2002年开始，公司共开发了二十几种各式干湿型喷砂枪（铝质，铜质，铁质，不锈钢，聚氨酯喷砂枪），一百多种各规格喷咀（钨钢，碳化硼，碳化矽，复合陶瓷及钢质喷咀）以及其他多种喷砂机配件，极大的满足了各喷砂机械厂及喷砂销售部对多种喷砂配件的需求。

General quality of soil is poor, lacking of soil nutrients like available phosphorus, quick-acting potassium, available boron and molybdenum.

四川盆周山区是我国猕猴桃的主产区及原产地，猕猴桃人工栽培面积已超过6666公顷。

NdFeB,the 3th generation of rare-earth permanent magnet,is produced by powder metallurgical method with neodymium(rare-earth metal),iron and boron.

第三代稀土永磁---NdFeB主要是由稀土材料金属钕和铁及硼通过粉末治金的制造工艺生产而成。

Such specimens could not be remedied by the usual quench andtemper treatment, and re-solution treatment at high temperatures (980-1050℃)followed by rapid cooling to room temperature was necessary to modify the sizeand distribution of the boron-containing phase, with the consequence of improvingproperties and eliminating the shell-shaped fracture.

对于出现&壳层状硼脆断口&的50B钢，正常的调质处理不能恢复其性能。但在980—1050℃重新固溶处理并以较快速率冷却到室温则可以改变硼相的析出形态，并改变相应的断口形态，相应地性能也恢复或有所提高。

The complex is applied to the ring cleavage reaction of various organic boron agents to the hetero atom norbornadiene.

该类络合物适用于各类有机硼试剂对杂原子降冰片二烯的不对称催化的开环的反应。

Cylinder are made of choiced boron alloy cast iron with excellent wear resistance and good metallograhic structure.

缸孔内网纹清晰，具有良好的贮油性能，延长发动机的使用寿命。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。