substances的例句大全

Most common substances exist in the solid phast at low temperatures.

大多数一般物质在低温下处于固态.

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The term drug refers to dangerous and illegal substances, including alcohol and tobacco.

毒品这个术语是指危险或不合法的物质, 包括酒精和烟草.

超越目标英语 第4册

Scientists suspect that alcohol interferes with the body's ability to convert carcinogenic chemicals in smoke into more benign substances that it can eliminate.

科学家们怀疑酒妨碍了身体将烟中的致癌化学物质转化成毒性较弱的物质并加以清除的能力。

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EU agriculture ministers last week agreed changes to the pesticide authorisation system that would effectively ban the use of carcinogenic chemicals and substances that damage human hormones or the reproductive system.

欧盟各国农业部长上周同意调整农药审批体系，这些调整实际上将禁止使用致癌化学品和危害人体激素或生殖系统的物质。

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A high yield was achieved by extracting active substances from ginkgo leaf in alcohol-water solution.

采用醇水溶液提取法提取银杏叶有效成分,提取率高.

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That substances expand when heated and contract when cooled is a common physical phenomenon.

物质热胀冷缩是一种普通的物理现象.

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It is a common physical phenomenon that substances expand when heated and contract when cooled.

物体遇热膨胀,遇冷收缩,这是一种普遍的物理现象.

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Many chemical substances may be held in solution in water.

许多的化学物质可以溶于水中.

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Quantative researches were made on surface biomass in different types of Yunnan pine forest in the Panzhihua-Xichang areas, and on the quantity, type and caloricity distribution law of flammable substances in their varied layers.

本文定量的研究四川省攀枝花&西昌地区不同林型的云南松林地上部分生物量及云南松林各层次可燃物的数量、类型及热值分布规律等。

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The metamorphosis rates of larvae are 53.33% and 22.05% respectively by using these attachment substances.

附着基以聚乙稀网片较海砂为好，变态率分别为53.33%和22.05%。

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Although it looks clean and clear, it actually contains toxic substances, including" aflatoxin", which can cause cancer.

尽管看起来色泽清亮，但它含有多种有毒物质，其中包括致癌的黄曲霉素。

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The toxic substances that humanity utilizes are large in number and prevalent all over Earth.

人类所使用的有毒物数量是巨大的,并在整个地球泛滥.

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( the sending out of) rays and atomic particles from radioactive substances

（自放射性物质中放射出的）射线和原子粒子

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The star indicates a property of a pure substance or a collection of pure substances.

星号表示纯物质或纯物质集合的性质.

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Aim: To study the clarifications effect of removing the impurity and reserving the effective substances.

目的：研究壳聚糖澄清法在金灯山根口服液制备工艺中的除杂效果及保留有效成分的作用。

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In2009, the European Commission asked EFSA to re-assess the TDI for melamine and to determine likely levels of background exposure to melamine and related substances for both humans and animals.

2009年欧盟委员会要求欧盟食品安全机构对三聚氰胺的每日允许限量数值进行重新评价，以确定人和动物接触物质中的三聚氰胺含量。

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Compared with FFAP capillary Column, CP-WAX capillary column had better effects in the separation of several groups of substances such as ethyl acetate and acetal, active amyl alcohol and isoamyl alcohol.

与FFAP毛细柱相比，CP-WAX毛细柱能很好分离乙酸乙酯/乙缩醛、活性戊醇/异戊醇等几对难分离的物质。

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Regardless of the demographic situation, thesedebilitating substances are essentially tear the world apart.

这种使人衰弱的物质在本质上摧毁这个世界。

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The kidneys are major organs of human body that remove metabolites, some waste and metabolic poisons through excretory function and retain moisture and other useful substances via reabsorption function to regulate water and electrolyte, maintain the balance of acid-base.

肾脏是人体的主要器官，通过排泄功能清除体内代谢产物及某些废物、毒物等，同时经重吸收功能保留水分及其它有用的物质，以调节水、电解质平衡及维持酸碱平衡。

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Plastic doors and windows do not erode by any acid of alkali medicine and they aren't affected by waste gas or salty substances. thereFore, they are bery suitable choice in littoral and heavy-industry area.

塑料门窗不受任何酸碱药物的侵蚀，不受废气及盐份的影响，非常适合沿海地区、重工业区的使用。

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