我们能够把混合无分为构成该混合物的纯化学化合物。
We can separate the mixture into the pure chemical compounds of which it is composed.
最常检测到的化学化合物是(HOH),氧(O)是它的一个原子。
The most frequently detected chemical compound is water (HOH) with oxygen (o) as one of its atoms.
Michael在一张易事贴上写上“PUGNAC”,并将它贴在一张写满化学化合物的复印文章上。
Michael writes, "PUGNAC" on a sticky note, and presses it to a copied article full of chemical compounds.
研究是克罗宁教授项目的一部分,用以表明,无机化学化合物能够自我复制和不断进化,就像有机的碳基生物细胞一样。
The research is part of a project by Prof Cronin to demonstrate that inorganic chemical compounds are capable of self-replicating and evolving - just as organic, biological carbon-based cells do.
植物通过空气输送的是一种名为挥发性有机化合物(简称VOCs)的化学混合物。
What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, VOCs for short.
这些反应增加了不完全燃烧的可能性,更有可能释放未燃尽和光化学活性碳氢化合物到大气中。
These reactions increase the probability of incomplete combustion and are more likely to release uncombusted and photochemically active hydrocarbon compounds into the atmosphere.
通过化学反应,可以产生碳氢化合物。
面包含有碳水化合物,这是一种由碳、氢和氧组成的化学物质。
Bread contains carbohydrates, which are chemicals made up of carbon, hydrogen, and oxygen.
非化学计量的缺陷常常出现在过渡金属的化合物中。
Non-stoichiometric defects often occur in transition-metal compounds.
一氧化二氮在地平面时是稳定的,但在高层大气中则分解而形成某种化合物,从而引发化学反应而破坏臭氧层。
Nitrous oxide is stable at ground level but breaks down in the upper atmosphere to form compounds that trigger chemical reactions that destroy ozone.
组合化学与大规模筛选相结合用于识别与治疗用靶蛋白结合的化合物即潜在新药。
Combinatorial chemistry is used in tandem with high-throughput screening to identify compounds that bind to a therapeutic target protein and are thus potential new drugs.
化学武器公约定义和附表,给出了《化学武器公约》中规定的部分定义以及相关化合物的附表。
Chemical Warfare Convention definitions and schedules provides selected definitions and the schedules of chemical compounds that are regulated under the chemical Warfare Convention.
不过,从石油生产化学制品的主要目的在于,生产出大量具有明确界定的化合物,以奠定石化工业的基础。
Nevertheless, the main objective in producing chemicals from petroleum is the formation of a variety of well-defined chemical compounds that are the basis of the petrochemical industry.
线粒体是动物细胞的能量来源,把氧和一种葡萄糖代谢产物转换成三磷酸腺苷(ATP),ATP是用来存储化学能量的一种细胞内化合物。
Mitochondria are the powerhouses of animal cells, converting oxygen and a metabolic product of glucose into ATP, a molecule that cells use to store chemical energy.
它的原理在于:当植物蛋白受体受到有害化学物质的刺激时,叶面外皮会释放出一种萜类化合物用以覆盖叶面,因此植物会改变其颜色。
It works because the receptor proteins in plant DNA respond naturally to threatening stimuli by releasing chemicals called terpenoids to thicken the leaf cuticle, thereby changing its colour.
可再生柴油中不含汽油中通常含有的有害化合物,包括燃烧后在大气中生成致癌物的化学品。
The harmful compounds in petroleum absent from renewable diesel include benzene which becomes an airborne carcinogen when burned.
然后,当这些化学物质与氮氧化合物(存在于汽车排放的废气中)发生化学反应时,就会形成臭氧,这会对人类和动物的健康构成更大的威胁。
When the chemicals react with nitrogen oxide--found in pollution from cars--they form ozone, a much bigger health threat to humans and animals.
研究表明,水质43.7%的化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
According to the study agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water) 67% of phosphorus and 57% of nitrogen discharges.
研究员从30万种化学药物中提炼出1000种有代表性的化合物,集中用于老鼠实验。
The researchers went through 1, 000 representative compounds from 300, 000 chemicals, pooled them and administered them to mice.
研究员从30万种化学药物中提炼出1000种有代表性的化合物,集中用于老鼠实验。
The researchers went through 1,000 representative compounds from 300,000 chemicals, pooled them and administered them to mice.
研究表明,水质43.7%的国家化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
According to the study, agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water), 67% of phosphorus and 57% of nitrogen discharges.
加州大学河滨分校的一位和他们合作撰写关于这个新化合物的论文的化学教授盖伊·贝特兰德(Guy Bertrand)说:“这几乎就像是把一个原子变成另一个原子。”
"It's almost like changing one atom into another atom," said Guy Bertrand, a UCR chemistry professor who co-authored a paper on the new compound.
一元羧酸,这是一种时常和烃发生化学反应的化合物;
monocarboxylic acids, a suite of hydrocarbons that readily participate in chemical reactions;
生产目前毒剂的每一种方案需要至少一种(通常几种)化合物,《禁止研发、生产、储存和使用化学武器及其销毁公约》在附表中对此做了规定。
Each of the manufacturing schemes for current agents requires at least one (and generally several) compound on the.
在他们的研究中,这些化学家创造了两个分子,它们可以相遇并交换电子,但并不能形成新的化合物。
In their research, the chemists created two molecules that could meet and exchange electrons but not unite to form a new compound.
环境中化合物的化学性质,比最好的化学家制造出来的化合物还要复杂很多。
The chemistry from compounds in the environment is orders of magnitude more complex than our best chemists can produce.
但是,高涨的油价还激发了寻找新的化学中间品来源的竞争——这些化合物是许多现代材料的原料,比如塑料、药品以及燃料等等。
But the oil price hike has also fueled a race to find new sources for chemical intermediates - compounds that are the raw material for many modern plastics, drugs and fuels.
但是,高涨的油价还激发了寻找新的化学中间品来源的竞争——这些化合物是许多现代材料的原料,比如塑料、药品以及燃料等等。
But the oil price hike has also fueled a race to find new sources for chemical intermediates - compounds that are the raw material for many modern plastics, drugs and fuels.
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