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The catalytic action of mercury on the colour reaction between potassium ferrocyanide and 4, 7-diphenyl-1, 10-phenanthrolihe has been studied, The addition of thiourea will further increase the sensitivity of the reaction.

本文研究了汞催化亚铁氰化钾与4,7-二苯基-1,10-菲啰啉显色反应体系,硫脲的加入显著提高了体系的灵敏度,摩尔吸光系数ε=4。

Longer reaction time (48 h) and increase of hydrogen fluoride and catalyst are good for fluorination.

反应后的滤渣可再生为氧化汞循环使用,回收3次,反应的转化率和选择率均大于85%。

Generally speaking, the side effects of psoriasis medicine psoriasis than synthetic western medicines should be smaller, but also some larger drug toxicity, such as red arsenic stone, stone white arsenic, mercury, cantharidin, green mother insects, matchmaker insects, such as Health gamboge .

一般而言,除合成药物牛皮癣银屑病药物的副作用要小,但也有一些药物毒性较大,如砷石红,白砷,汞,斑蝥,格林的母亲,昆虫,昆虫,如媒人健康藤黄,。

Therefore, after the diagnosis of pinworm was not served on the fine de-worming medicine, and at the same time every night before going to bed with hot water washing anus, painted white drop of mercury ointment, or 10% zinc oxide ointment, or gentian violet can antipruritic, and reduces the chance of re-infection.

因此,对蛲虫诊断出后,并非服驱虫药就万事大吉,同时要每晚睡前用热水洗肛门,涂上白降汞软膏,或10%的氧化锌膏,或龙胆紫,既可止痒,又可减少重新感染的机会。

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

这些结论与铋系,铊系以及汞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.

用重金属汞(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。

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,尾端有内盛汞滴的容器。

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汞污染主要来源是工厂和交通尾气的大气降尘。

This lamp is environmentally friendly. As a full-solid luminous body without the elements like hydrargyrum and sodium that are harmful to health, the shock-resistant and unbreakable LED can be recovered after disposal and will not cause pollution. By reducing

绿色环保,LED为全固态发光体,不含汞、钠元素等可能危害健康的物质,废弃可回收、没有污染,减少大量二氧化硫及氮化物等有害气体及二氧化碳等温室气体的产生,改善人们生活工作环境。

The results show that:(1) the overall water quality in the Xiangjiang River had become worse during the 1990s and the main pollutants which caused aggravating pollution were total coliforms, total phosphorus, petroleum and total hydrargyrum ;(2) the main pollution sources were living pollution, which increased evidently in recent years, and industry pollution, of which heavy metal pollution is evident;(3) among the mainstream of the Xiangjiang River , river sections in Zhuzhou, Xiangtan and Changsha suffered from the most serious pollution;(4) it is forecasted that living pollution and agriculture pollution will become more serious in the future.

结果表明:湘江总体水质在20世纪90年代呈恶化趋势,致使污染加剧的主要因子是总大肠菌群、总磷、石油类和总汞;主要污染源为工业污染和生活废水污染,近年来生活废水污染日益突出,工业污染中重金属污染明显;在干流不同河段中,株洲、湘潭和长沙河段污染最为严重;估计未来湘江的生活污染和农业污染还会加剧。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

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