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These results are well consistent with recent measure-ment of 〓 and collective pinning theories for Hall effect.

这些结论与铋系,铊系以及系等弱钉扎材料中的测量结果以及关于Hall效应的集体钉扎理论相一致。

The acute and joint toxicity test to swordtail fish, Xiphophorus helleri was conducted to evaluate the impact of mercury and selenium on fishes.

用重金属(Hg+2)和硒(Se+4)对剑尾鱼进行急性毒性和联合毒性的实验。其目的在于评价水环境中Hg+2和Se+4对鱼类的影响,为制订渔业水质标准提供参考数据。

Xiphophorus helleri ; mercury ; selenium ; acute toxicity ; evaluation

剑尾鱼;;硒;联合毒性;评价

The "devices" are hemispherical objects of glass or porcelain, ending in a cone with a drop of mercury inside.

该"装置"是玻璃或瓷器的半球形物体,尾端有内盛滴的容器。

This paper deals with status of eight heavy metals (Hg, Cd, Pb, As, Cu, Cr, Ni and Zn) in the soil from the Fengrun region, Tangshan City, Hebei province and quality evaluation of the soil. The result of the investigation indicates that: 1. the study area soil is neutral — alkaline — strongly alkaline;2. the organic matter content is widespread low;3. high concentrations of all heavy metals distribute in the localities where there are intensive mankind's activities. The most outstanding localities are Xiaodaodi village, Shawoxin village, Puzhuangzi village, Qianxinzhuang village, Xuezhuang village and Hancheng town. The main pollutant exhausting enterprises in study area are Guofurunxing Milk Ltd., the hennery, Jinxiang chemical fibre factory, Tangshan Fuming steel Ltd.

本文通过实地调查收集资料和实验室测试结果,对河北省唐山市丰润地区进行了土壤中、镉、铅、砷、铜、铬、镍、锌八种重金属污染程度调查,调查结果表明:研究区土壤为中性—碱性—强碱性,有机质含量普遍偏低,所有的重金属高值区都分布在人类活动较多的地区,最突出的有小稻地村、沙窝新村、蒲庄子村、前新庄村、薛庄村和韩城镇;研究区内影响土壤质量的主要企业有:国富润兴奶业有限公司、养鸡场、金翔化纤厂、唐山市福明钢铁有限公司、废品加工厂、唐山市宏达建材机械厂和蓝箭衡器厂。

Like Mercury, it was popularly thought to be two separate bodies: Eosphorus as the morning star and Hesperus as the evening star, but the Greek astronomers knew better.

,这是普遍认为是两个单独的机构: Eosphorus作为晨星和金星作为明星晚报,但希腊天文学家更了解。

The content of hydrargyrum can be determined with atomic fluorescence spectrometry .

本实验参照国家标准GB/T5009.17-2003,采用原子荧光法测定银耳中的含量。

The main pollution source of the hydrargyrum of vegetable and soil is the atmosphere dust of factory and gas in the Harbins greenbelt.

哈尔滨市绿地土壤和植物的污染主要来源是工厂和交通尾气的大气降尘。

of mensurating soil Arsenic and Hydrargyrum simultaneously using microwave digestion hydride- atomic fluorescence spectrometry was setup.

建立了氢化物-原子荧光法同时测定土壤中砷和的方法。

This study shows that all of these compounds exhibit good extraction abilities toward Ag~+ and Hg~(2+), and the highest extraction percentages are 38.4% and 40.5%, respectively, toward sliver and hydrargyrum picrates.

结果表明,所合成的化合物对于Ag~+和Hg~(2+)表现出较好的选择性,苦味酸银和苦味酸的最高萃取率分别为38.4%和40.5%。

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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。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。