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Attapulgite deposits are rare and valuable in the world. Large iodic attapulgite deposits with total reserves of 2 500 million tons were found in central and western Gansu Province. High iodine exists in attapulgite ores. There is about 0.0418% iodine in western attapulgite ore and 0.0425% in central ore, which are almost the same as the iodine content of niter in Chile.

凹凸棒石矿为稀有的非金属矿种,近年来,在甘肃中、西部第三纪地层中发现了大型凹凸棒石矿,矿石总储量可达2.5亿吨,矿石中碘含量较高,西部凹凸棒石含碘约为0.0418%,中部平均含量约为0.0425%,与智力碘硝石的含碘量(0.04%)相当。

BACKGROUND: The noble gas xenon acts as an anesthetic with favorable hemodynamic and neuroprotective properties.

背景:稀有气体氙气作为一种麻醉气体具有较好的血流动力学和神经保护的特性。

The coordination of noble gas atoms leads to a shift of the M-O stretch frequency.

由于稀有气体原子的配位,影响了过渡金属氧化物M-O键的强弱,从而导致M-O伸缩振动频率发生位移。

While discussing bonding essence of molecules of noble gas and some properties of compound molecules, this paper points out their advantages and disadvanteges and how to apply different theories to solve various knotty problems in teaching.

讨论了稀有气体化合物分子的成键本质以及某些性质,指出它们各自的优缺点和如何应用不同的理论去解决教学中不同的疑题。

The bulb is a micro-discharge bulb which is filled with a mixture of noble Gas including Xenon.

权力是躲藏的35W3000K、色温度范围-12000钾灯泡是一种微放电灯泡是填充与氙等稀有气体混合物。

The atoms of the noble gas elements all have a stable number of elctrons in their outermst shells, so they tend to be unreactive.

稀有气体单质的原子的外层电子都达到了稳定结构的数目,所以它们都趋于不活泼。

Contamination of noble gas in the crude oil of Gangxi oilfield.

以黄骅坳陷港西油田为例,测试并研究了原油中的稀有气体氦和氩同位素组成,并探讨了其示踪作用。

Taking Gangxi Oilfield in Huanghua Depression as an example,the isotopic compositions of noble gas in crude oil and their tracing significance were investigated.

以黄骅坳陷港西油田为例,测试并研究了原油中的稀有气体氦和氩同位素组成,并探讨了其示踪作用。

The rarity bias is also sometimes called a "nonconformist bias".

罕见稀有偏好有时也被称为"非从众偏好"。

Natural resource,especially the nonrenewable resource,plays more and more important role in today s economic life.

中文摘要煤炭、稀有矿藏、石油等非可再生资源对一国经济的发展起着非常重要的作用。

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