锇

Then we searched through the transition metals to see if we could do better than osmium, to get an expansion of less than 10 percent.

凯恩说：于是我们仔细搜索了所有过渡金属以确认是否有比锇更好的过渡金属，从而使膨胀系数少于10%。

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。

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。

Their just-published study in the Journal of Medicinal Chemistry shows that compounds containing the metals Ruthenium and Osmium can kill ovarian and colon cancer cells.

他们近日在美国《医学化学杂志》上发表报告称，他们发现用钌和锇制成的化合物，可以杀死结肠癌和卵巢癌的癌细胞。

Meanwhile, when the supported ionic liquid is used in asymmetric dihydroxylation reaction, there was no catalystic activity of osmium catalyst.

离子液体固载于改性后BMMs在不对称双羟基化反应中由于分子筛改性引入的氨基与锇催化剂的配位作用使其失去活性。

A heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium.

一种重而脆的铂属金属元素，用于制合金，与铂或锇形成天然合金。

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。