硼

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。

The results indicate that the backbone of PBSZ is -Si-N-B- linkage in the form of borazine and C is in the form of Si-CH3. The ceramic yield of the PBSZ pyrolysed at 1000℃ in N2 and NH3/N2 atmospheres is 63wt% and 61wt%, respectively.

结果表明，先驱体的结构骨架为-Si-N-B-，其中B、N以硼氮六环的形式存在， C以Si-CH3形式存在。

Instead, he recommends using glass, such as Corning Ware, Pyres or ceramic containers for heating food. You get the same results, only without the dioxin.

他建议加热食品要用玻璃，如康宁餐具、高硼或陶瓷容器，这些容器沒有戴奥辛，是健康的。

The influence of temperature and time on the purty and size of ZrB〓 powder was studied. Residual stress was analysed theoretically in the condition of densely distribution of second phase particles, and toughening mechanism was explored for particulate composite.

首次从理论和实验论证了还原法制备ZrB〓粉末的固相反应中存在硼热反应，研究了反应温度和保温时间对粉末纯度和粒度的影响。

A multi-metal alloy catalyst for hydrogenation of acetonitrile to ethylamine was prepared using hydrazine hydrate and potassium borohydride as the co-reductant.

以水合肼和硼氢化钾为共还原剂制备了多元合金催化剂，将其用于乙腈催化加氢反应制乙胺。

Generally the catalysts have high activity and good selectivity. At present the coupling reactions of organoborahes with terminal olefins s acid chlorides and aryl halides play an important synthetic approaches in organoborane chemical. The catalysts can be used by many kinds of organometal compounds such as: irons cobalt nickel ruthenium rhodium palladiums titaniums zirconiums tins indium and lithium organic compounds; The achievement has been amazed in preparing of unsaturated or saturated compounds and in synthesizing of natural products bioactive molecules and chiral compounds.

目前，卤代烃与不饱和烃的偶联反应和有机硼试剂与酰卤和卤代烃的偶联反应已成为有机合成的研究热点，此类反应可用铁、钴、镍、钌、铑、钛、锆、锡、铟、锂等多种有机金属化合物来催化，用于形成含饱和或不饱和C-C键的化合物，并已在天然产物、液晶、具有生理活性物质和手性化合物的合成中应用。

Methods of test for orthoboric acid, diboron trioxide, disodium tetraborates, sodium perborates and crude sodium borates for industrial use - Determination of iron soluble i

工业用原硼酸、三氧化二硼、四硼酸二钠、高硼酸钠和粗硼砂的试验方法。溶于粗硼砂中碱性介质

And the amount of organelles and cell ultrastructure were different at different levels of B.

不同硼水平下，两个油菜品种根尖细胞内细胞器数量和超微结构差异明显。

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。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。