查询词典 osmium

The method has a limit of detection for osmium of 0.020μg/ml and permits 60 deter-minations per hour.

而流动注射分析具有高度重现的试剂加入系统，可以严格控制反应温度和时间，这一新技术与动力学方法的结合，克服了常规动力学方法的缺点，具有明显的优越性。

We hope that the understanding on the reactivity of gas-phase osmium oxide cations with methane is helpful for the design of catalyst for the similar reactions.

所以甲烷和乙烯中C-H键的活化具有重大的经济和环境价值，也是最具基础意义的化学前沿课题之一。

But, the powdery osmium, gradually will be oxidized under the normal temperature, and production perosmic anhydride.

可是，粉末状的锇，在常温下就会逐渐被氧化，并且生成四氧化锇。

If mixes osmium in the platinum, may make is also hard the sharp scalpel.

如果在铂里掺进一点锇，就可做成又硬又锋利的手术刀。

When synthetic ammonia, if makes the catalyst with the osmium, may obtain the high conversion rate under not too high temperature.

合成氨时，如果用锇做催化剂，就可以在不太高的温度下获得较高的转化率。

The flotation behaviors of osmium from stannous chloride-cetyltrimetheylammonium bromide- system in the presence of sodium chloride were studied.

研究了氯化钠存在下氯化亚锡-十六烷基三甲基氯化铵体系对Os-三氯锡酸络阴离子的浮选行为。

These CRM's are for analysis of osmium iridium recthenium and rhodium by microbeam methods.

此类标样用于锇、铱、钌和铑的微束分析。

The purpose of this study is to discuss the photophysical properties of Iridium and Osmium complexes containing isoquinoline family ligands.

中文摘要本篇论文研究内容主要探讨含异喹啉族配位基的有机铱、锇属错合物之光物性质。

Its density is about two times more lead, iron three times (second only to the density of Iridium Osmium, weighing 22.5 tons per cubic meter).

它的密度约为铅的2倍、铁的3倍（密度仅次于铱的金属锇，每立方米重达22.5吨）。

Its principle and some other related aspects are briefly described,including the magnetron sputter coater and the osmium plasma coater .

本文将主要叙述等离子溅射镀膜的原理与方法，并且简单介绍磁控管溅射仪和锇等离子镀膜仪等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。