对天然锇同位素进行了离心分离。
Osmium isotopes in the natural isotopic mixture are separation by gas centrifuge technology.
在金属中锇的密度很高。
描述了三锇羰基簇合物近年来的研究进展。
In this paper, the advance of progress in triosmium carbonyl clusters in recent years was described.
嗜锇颗粒的大小和数目也随着衰老而增加。
There was an increased in the number and diameter of osmiophilic granules per chloroplast.
方法具有批量分析样品铼-锇同位素的应用前景。
The method has a good application prospects in the conventional ReOs isotope analysis.
叶绿体等细胞器结构完整,嗜锇颗粒分散在质体中。
The structure of chloroplast was integrity, osmiophilic granule was dispersing in plastids.
简要介绍锇铱矿的基本特征和资源状况,生产及处理工艺。
The basic characteristics of osmiridium, and its resources production and processing were discussed.
我们一直研究一个类似的、非常微弱的特征,就是锇的谱线。
We have been dealing with a similarly very weak feature, which belongs to osmium.
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。
This dissertation is mainly to study the growth of osmium and the properties of magnetic films with an OS layer.
每个细胞的胞质内首先产生大量的嗜锇颗粒、蛋白-脂类复合体;
Massive osmiophilic droplets (OD) and protein-lipid bodies (PB) were firstly produced in every cytoplasm;
主要矿物是自然铂矿、铁铂合金、钌铱锇矿、等轴锇铱矿和铱锇矿。
The trace element Rh exists mainly in native platinum, platinum-iron alloy and Pt-containing osmiridium.
煎茶岭硫化镍矿床成矿过程中有含高放射性成因锇的壳源物质混染。
In addition, there also existed the hybridization of the crustal substance which contained OS with high radioactivity during the formation of the sulfide nickel deposit.
根据生漆的亲脂性质分析,这些嗜锇物质很可能就是生漆的前体物质。
According to the lipophilic property of lacquer, these osmiophilic substances may be lacquer or its precursors.
它只是一个巧妙地通过衰变成锇和钽而假装成磁单极子的普通的铂原子核。
It was just a garden variety platinum nucleus pretending to be a monopole by cleverly decaying into osmium and tantalum.
期望饥锇和贫穷的居民不狂暴和粗野是无用的(托马斯h。赫克斯利)。
It is futile to expect a hungry and squalid population to be anything but violent and gross (Thomas H. Huxley).
“期望饥锇和贫穷的居民不狂暴和粗野是无用的”(托马斯h。赫克斯利)。
"It is futile to expect a hungry and squalid population to be anything but violent and gross" (Thomas H. Huxley).
最后研究了CO和不稳定的卡拜副产物的反应,得到CO配位的锇乙烯基化合物。
The reaction between co and the by-product of hydride osmium carbyne to give the osmium vinyl compound was also studied.
本发明解决了现有工艺制备锇膜存在容易开 裂、原子氧测量的准确性差的问题。
The method solves the problems that an osmium membrane prepared from the prior art is easy to crack, and the measuring accuracy of atomic oxygen is low.
应用锇黑法、银浸法和酶组织化学法探讨了大鼠胸腺嗜锇性细胞的分布、形态结构和性质。
The nature, shape, structure and distribution of osmiophilic cells in the rat thymus were studied by the osmium black method silver impregnation and histochemistry.
只要比较锇的成份,在行星的宿主恒星中。我们想了解,为什么有那么多的这种元素存在。
Just comparing the composition of osmium in one of the planet host stars, we want to understand why there is so much of this element.
铱锇矿一种矿石,是少量铂、铑及其他金属矿石的铱锇的自然合金,用于制造针头和耐磨尖端。
A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points.
硫、铅同位素和锇同位素初始比值显示,成矿物质主要来自含矿侵入岩体,但是也有其它来源。
Sulfur and lead isotopic features and initial OS values suggest that the ore-forming materials were mainly derived from the host quartz diorite and granodiorite.
铁锰结壳的铼-锇同位素组成明显有别于大陆地壳岩石,和K- T界线沉积物相似,接近陨石值。
The Re Os isotope composition is obviously different from the rocks of the continental crust, but similar to the K T boundary sediment, and close to the meteorite.
文章首次对采自矿床不同类型矿石中的辉钼矿进行了铼-锇同位素定年,获得等时线年龄为(168。
This study provides a high-precision Re-Os isotopic dating for ten molybdenite separated from the different ore types with an isochron age of (168.
文章首次对采自矿床不同类型矿石中的辉钼矿进行了铼-锇同位素定年,获得等时线年龄为(168。
This study provides a high-precision Re-Os isotopic dating for ten molybdenite separated from the different ore types with an isochron age of (168.
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