substances的例句（substances在句子中的用法）

• Psychoactive substances are commonly grouped toare stimulants , depressants, or hallucinogens. 刺激神经类物质通常分为兴奋剂 、 静剂和幻觉剂.
• The invention relates to a method for pyrolyzing and gasifying organic substances or substance mixtures. 本发明涉及一种用于有机物或有机物混合物的热解和气化的方法.
• It empowers the EPA to adopt rules requiring testing by manufacturers of substances. 这一条款授权环境保护局正式通过一些法规,这些法规要求有毒物质的制造者自检.
• As part of a global programme , 89 ozone - depleting substances are under legislative control. 此外, 又对89种消耗臭氧层的物质实施法例管制,以配合全球的行动.
• A large number of substances were investigated and the relevant properties tabulated. 已经研究了多种物质,并将有关性质列成了表.
• In experimenting we find out that sound travels with different velocities through different substances. 在实验中,我们发现声音以不同的速度通过不同的物质而传播.
• Thermoplastic and thermosetting substances are called plastics. 热塑塑料和热固的物质称为塑料.
• Other substances used to prevent disease or infection include disinfectants and germicides. 用来预防疾病或感染的其它物质有消毒剂和灭菌剂.
• These substances are slowly depleted as the embryo commences to grow. 随着胚开始生长,这些物质也慢慢用尽了.
• Scientists claim to have identified natural substances with cancer-combating properties. 科学家们声称已经发现自然界的某些物质具有抗癌特性。
• Substances such as ammonia give out heat when they dissolve. 诸如氨气之类的物质在溶解时会释放出热量。
• Most of these nourishing substances are in the yolk of the egg. 这些营养物质中的大部分在蛋黄里。
• HPLC method for determination of metoclopramide nasal spray and its related substances was established. 建立了测定甲氧氯普胺鼻腔喷雾剂含量和有关物质的HPLC法.
• These are substances which specifically latch onto the protein on the cell membrane. 这些物质专门依附在细胞膜的蛋白质之上。
• It is materialistic because It'says that the only substances are material substances. 它是唯物主义是因为它说唯一的实体是物质.
• OBJECTIVE To establish a method for determination of mafenide acetate and its related substances. 目的建立醋酸磺胺米隆的含量及有关物质的测定方法.
• The results show that the surfactants added and the surface active substances from effect the losser. 结果发现除了一般的浮选条件以外,废纸浆中的表面活性剂和来自废纸的表面活性物质与浮选损失有着重要的关系.
• But naringin and limonin, the main bitter substances in Citrus juice are also determined. 胡柚汁营养丰富,但也有柠檬苦素 、 柚皮苷等苦味物质.
• To prevent this from happening, other substances can be combined with levodopa. 为了防止这种情况发生, 左旋多巴可以和其他一些物质混合.
• Substances conveying plant resistance to insects include inorganics, primary and intermediary metabolites and secondary substances. 给予植物抗虫性的物质包括无机物, 初始、中间代谢物和次生物质.