查询词典 chlorine

J. Thénard he improved Davy's method of isolating alkali metals, showed chlorine to be an element, and isolated boron.

他尊重事实而不迷信权威。因此，他能够洞察人们所不知的奥秘，发现科学真理。

Monophyletic preparation of chlorine dioxide disinfection powder has good efficacy in killing vegetative form and spore of bacteria and is slightly irriating to rabbit skin.

结论，一元制剂二氧化氯消毒粉剂对细菌繁殖体和细菌芽孢具有良好的杀菌效果，动物毒性试验属无毒类物质、对家兔皮肤有轻度刺激性。

The presence of available chlorine at approximately 0.2 milligrams per L at the distribution point indicates that almost all bacteria and viruses have been killed, and that the water is no longer heavily contaminated with fecal or other organic matter.

如果可用氯的浓度大约为0.2毫克每升（mg/L，这就表明水中几乎所有的细菌和病毒已被杀死，从而不再存在被粪便或其他有机物严重污染的问题。

There are few studies on the pollution of karst landform areas, especially on organic chlorine pesticides.

国内外对岩溶地区的污染研究较少，特别是对有机氯农药的研究较少。

Keywords lazaretto ;bio-contact oxidation;disinfection and chlorine dioxide

传染病医院；接触氧化；消毒；二氧化氯

Using mixed ion exchange resin patent technology, not only can purify water hardness (calcium, magnesium, iron, also can remove plasma) generally unable to get rid of hard softening equipment, such as impurity and peculiar smell chlorine, lead, nitrate, sulfate, organic or pesticides.

采用了混合离子交换树脂专利技术，不仅能够去除水中的硬度，还能够去除一般硬水软化设备无法去除的杂质和异味，如氯、铅、硝酸盐、硫酸盐、有机物或杀虫剂等等。

Chemical oxidations of sodium plumbite solution in alkali are readily achieved with chlorine, bromine, and hydrogen peroxide and simple lead salts may be oxidized with 37 M nitric acid.

用氯、溴和过氧化氢在碱性条件下可实现化学氧化铅酸钠。简单的二价铅的盐可用37M的硝酸溶液来氧化

Chlorine gas Cl2 can turn wet pH paper / blue litmus paper red and then white.

氯气可把湿的pH试纸/蓝色石蕊试纸变红，再变白。

And I know I can eliminate most of the limescale deposits and an overdose of chlorine in my tap water by filtering the mains supply at home.

而且我知道，通过对家里的自来水进行过滤，我可以除去大部分石灰沉淀物和过量的氯。

Experiments were carried out to study minimum bactericidal concentration of 5 kinds of disinfectants (double fouthdiamine sait-iodine solution, compound aldehyde, chlorine-containing disinfectant; sodium hydroxide and potassium permanganate) against 5 kinds of pathogenic bacteria, and the above MBCs of disinfectants were 1: 600-1: 800,1:1000-1: 2500,1: 30000-1: 40000,0.01%-0.03% and 0.0008%-0.004%, respectively. It emphatically evaluated the sterilized efficacy of each kind of disinfectant to salmonella at different temperatures.

为了解目前猪场常用消毒剂对猪场常见肠道致病菌的杀菌作用，开展了5种猪场常用消毒剂（特碘、复合醛、消特灵、氢氧化纳和高锰酸钾）杀灭5种猪场常见肠道致病菌（沙门氏菌、大肠杆菌、奇异变形杆菌、弗氏拘橼酸杆菌和绿脓杆菌）最低浓度的试验，依次为l：600~l：800，1：1000~l：2500，l：30000~l：40000，0.01%~0.03%，

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48