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- PE pipe is suitable for many chemical solutions. Naturally occurring chemicals in the soil will not degrade the pipe. 可耐多种化学物质的腐蚀,土壤中存在的化学物质不会对管造成降解作用。
- A naturally occurring chemical formed during the oxidation of epinephrine. 肾上腺素红在肾上腺素氧化过程中自然形成化学物质
- naturally occurring chemicals 天然存在的化学物质
- A naturally occurring or artificially produced radioactive element. 放射性元素自然产生或人为制造的放射性元素
- Naturally occurring mineral water, as at a spa. 矿泉水自然出产之矿质水,如矿泉中的水
- Antidepressants work to normalize naturally occurring brain chemicals called neurotransmitters, notably serotonin and norepinephrine. 抗抑郁剂用于使自然存在于大脑的化学物质神经传递素正常化,尤其是含于血液中的复合胺和去甲肾上腺素。
- Chemicals were released that could change an athlete's mood, and those chemicals were endorphins, the brain's naturally occurring opiates. 化学物质的释放会改变运动员的情绪,这些化学物质就是内啡肽,大脑内自然存在的阿片类物质。
- Chemicals were released that could change an athlete’s mood, and those chemicals were endorphins, the brain’s naturally occurring opiates. 人体释放出能够改变运动员情绪的化学物质,这些化学物质就是内啡肽--大脑的天然鸦片。
- A biotechnology company is developing a range of new pesticide based on naturally occur toxin. 一家生物工艺开发公司正在根据自然滋生毒素的原理研制新型农药系列产品。
- Seventy of the 350 naturally occurring isotopes are radioactive. 自然界有350种天然同位素,其中70种有放射性。
- Naturally occurring rock oil is referred to as crude oil or petroleum. 天然形成之石油,我们称作原油或石油。
- Send special person full time to manage the flammable res, something easy to occur chemic reaction and other dangerous res in plants and storages. 车间;仓库内易燃;易发生化学反应和其他危险品应有专人管理.
- The heaviest naturally occurring element is uranium, which has 92 protons. 自然存在的最重元素是铀,有92个质子。
- Chocolate contains naturally occurring methylxanthines caffeine &theobromine. 巧克力中含有甲基化黄嘌呤?
- The cocoa bean is a rich source of naturally occurring polyphenol antioxidants. 可可豆是多酚抗氧化剂的一个富有的来源。
- Sometimes the Zionists take advantage of naturally occurring events. 有时候以黑帮分子会利用自然发生事件。
- Carnauba is the hardest natural occurring wax available. 巴西棕榈是一种天然的最硬物质。
- I suspect that cases of this nature occur in Europe. 我以为欧洲有这样的情况发生。
- Silicon, naturally occurring in the form of silica and silicates, is the most important semiconductor for the electronics industry. 在自然界从硅酸盐和二氧化硅形式存在的硅是电子工业中最重要的半导体原材料。
- A naturally occurring ester of three fatty acids and glycerol that is the chief constituent of fats and oils. 甘油三酸酯甘油与三个脂及酸形成的天然的酯,是脂肪和油的主要成分