锇的

Chapter 2 is mainly about synthesis of osmacycles based on [5+1] cyclization reaction.

第二章主要研究基于[5+1]关环法的锇杂环化合物合成。

This dissertation is mainly to study the growth of osmium and the properties of magnetic films with an Os layer.

本论文主要在探讨锇金属的成长及加入磁性多层膜后之特性研究。

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。

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 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。

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。

Thecompound 2-1 can also react with CO and DPPB to give osmium vinyl compound 2-4and 2-5,respectively.

这可以看做是[4+1]环化法在合成金属呋喃方面的应用。2-1与CO以及DPPBPh_2P(CH_2_4PPh_2反应分别得到锇乙烯基化合物2-4和2-5。

Furthermore, the value is same as the number of group in periodic table. Other elements with +8 oxidation value, except Ru and Os in Group VIII, are not found.

第Ⅷ族中除钌和锇外，其他元素未发现有氧化值为+8的化合物。

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。