Lead compounds are regularly added to plastics and vinyl to make them more resistant to high temperatures.
通常将铅化合物添加至塑胶及乙烯基中以增强其抗高温性能。
Both these compounds are toxic, leading to mercury and lead poisoning.
这两种化合物都是有毒的,能导致汞和铅中毒。
These compounds reduce overall cellular damage and prevent the hardening of the arteries that can lead to heart disease, stroke, even memory loss.
这些混合物能全面减少细胞的损伤和预防导致心脏病的动脉硬化,中风,甚至记忆力衰退。
The fungus, recently discovered in Iran, grows naturally in crude oil and removes the sulphur and nitrogen compounds that lead to acid rain and air pollution.
最近,在伊朗发现了一种在原油中自然生长的真菌,可清除石油中导致酸雨和空气污染的硫氮化合物。
Alveolar oxygen into nitrogen compounds, lead to the formation of nitrite and nitrate, a sharp stimulus to the lung tissue, increased pulmonary capillary permeability, leading to emphysema.
氮氧化合物进入肺泡后,能形成亚硝酸和硝酸,对肺组织产生剧烈的刺激作用,增加肺毛细管的通透性,最后造成肺气肿。
Lead the team to develop the analytical method and preparation method of characteristic compounds. Compose and publish articles, theses and patents of related applications.
带领团队开发特征化合物的分析方法、制备方法,撰写和发表相关应用文章/论文/专利等;
Because it and its compounds are poisons (see lead poisoning), lead-based paints and gasoline additives have been phased out in many countries.
由于铅和铅化物具有毒性,因此含铅的颜料和汽油添加物现已被禁用。
Typical poisons are organic lead and silicon compounds.
典型的毒物是有机铅和硅化合物。
Lead and Pb compounds have adverse health effects to human life and the environment.
铅和铅的化合物破坏环境,有害人体健康。
Household batteries contribute many potentially hazardous compounds to the municipal solid waste stream, including zinc, lead, nickel, alkalines, manganese, cadmium, silver, and mercury.
家用电池贡献的都市固体废物流的许多潜在危险的化合物,包括锌,铅,镍,碱性电池,锰,镉,银,和汞。
Methyl cobalt complexes often are used as methylation agents for germanium, tin and lead compounds in environmental chemistry.
而且,在环境化学中,甲基钴化合物往往可以作为锗、锡、铅等金属的甲基化试剂。
Lead in compounds has valence 2 and 4; an oxide (litharge) is the most widely used.
铅化物的原子价有+2和+4价,其中铅氧化物(密陀僧)是最广为使用的。
A similar consent judgment pertaining to the exposure of lead and lead compounds to users who use or handle cosmetic products was also approved by Los Angeles superior court earlier.
较早前,美国洛杉矶市高等法院也批准了一项类似的关于用户使用或接触含铅及铅化合物化妆品的和解裁决。
Antioxidants neutralize free radicals, which are unstable compounds that can damage cells and lead to diseases including cancer.
抗氧化剂可以消除不稳定化合物-游离基,游离基能够破话细胞,并导致想癌症一样的疾病。
Catalytic converters reduce carbon monoxide, oxides of nitrogen, and volatile organic compounds in emissions and necessitated the use of lead-free fuel.
催化转炉减少了一氧化碳,氧化氮和挥发性有机混合物等的排放,而且无铅燃料的应用也当成为必要。
And some lead compounds may be acquired through three-dimensional database searching.
通过三维数据库搜索可能会得到新的先导化合物。
The chemical modification of sugar moiety in nucleoside or nucleotide is always an important way to discover new lead compounds with anti-viral, anti-tumor and other biological activities.
对核苷类化合物糖环部分的化学改造一直是发现新的具有抗病毒、抗肿瘤或其他生物活性的核苷类先导化合物的重要途径之一。
Lead and its compounds may be found in products such as batteries, lead - based paints, lead - containing ceramics, lead solder and leaded petrol.
铅及其化合物可使用于电池油漆陶瓷铅锡焊接及汽油的添加剂上。
This paper aims to design and synthesize a non-nucleoside class of coumarin derivatives as the lead compounds with breast cancer and HIV inhibitory activity.
本论文旨在设计合成一类非核苷类对乳腺癌及HIV有抑制活性的具有潜在应用价值的新型香豆素衍生物。
Therefore, 7-methoxy flavone and its derivatives can be promising antitumor lead compounds.
因此,7 -甲氧基黄酮及衍生物很有可能成为新型结构的抗癌先导化合物。
Speciation analysis of selenium is very important. It may lead to better understanding for the transformation and distribution of different selenium compounds in our life and environment.
因此,硒的测定及形态分析对于了解不同形态的硒化物在生物体和环境中的迁移转化规律具有重要意义。
Traditional offline pretreatment method such as SPE or LLE consumes lots of solvent and takes long time. In addition either method will lead to partial loss of the compounds.
固相萃取、液液萃取等经典的离线预处理方法不但会消耗大量溶剂,操作繁琐、费时,还会造成组分的损失。
The invention can provide lead compounds for the development of new anti-cancer drugs and is expected to become the drugs for cancer treatment.
本发明可为研制新的抗肿瘤药物提供先导化合物,可望成为治疗癌症的药物。
Progress in the field is briefly reviewed and possible application of evolutionary chemistry in drug research and development such as discovery of lead compounds and des…
该文综述了这一领域的主要进展及其在药物研究与开发(如先导化合物的发现和新型诊断与治疗方法的设计)中的应用。
Progress in the field is briefly reviewed and possible application of evolutionary chemistry in drug research and development such as discovery of lead compounds and des…
该文综述了这一领域的主要进展及其在药物研究与开发(如先导化合物的发现和新型诊断与治疗方法的设计)中的应用。
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