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.
这些燃烧过程同样释放化学物质如甲烷、氮氧化合物、挥发性的有机化合物和一氧化碳在光照下反应形成臭氧。
These same processes also release chemicals that combine in sunlight to form ozone: methane, nitrogen oxides, volatile organic compounds, and carbon monoxide.
化学家们在实验室合成有机化合物的时候，常常会得到一堆分子：一半右旋，一半左旋。
When chemists synthesize organic compounds in the lab, they often wind up with a mix of molecules: half are right-handed, and half are left.
从一位化学家角度来看，许多有机化合物如二恶英和肉毒毒素都是有毒物质，而像氯化钠和锂等无机化合物则是无害甚至有益的。
For a chemist, many organic compounds like dioxin and botulism toxin are extremely toxic, while inorganic compounds like sodium chloride or lithium are harmless or even beneficial.
方法2：用湿化学技术或其他有效方法定量分析特定的金属和有机化合物。
Method 2 Quantitative analysis of the specified metals and organic compounds with wet chemistry techniques or as available.
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.
有机化合物，一种应用在环氧粉末涂料作为固化剂使用的一种化学结构。
Organic compounds. A structure sometimes used in curing agents in Epoxy powder coatings.
是一种化学成分十分复杂的有机化合物。
Is a very complex chemical composition of organic compounds.
有机化学是一门研究有机化合物的结构与性质的学科。
Organic Chemistry is a subject studying the structure and properties of organic compounds.
卤代烃是一类重要的有机化合物，在化学工业、农业、材料、环保及现代有机合成中有着广泛的应用。
Halohydrocarbon is one of the most important organic compounds and widely used in chemical industry, agriculture, material, environmental protection and modern organic synthesis.
有机化学是研究有机化合物的组成、结构、性质及其变化规律的科学，是有机化学工业的理论基础。
The organic chemistry studying the organic compounds composition, structure, and change rules of it. It is the theoretical base of organic chemistry industry.
以甲醛为例，介绍了光化学反应、吸附作用和光催化氧化作用对挥发性有机化合物降解过程的作用机理；
Taking formaldehyde as example, degradation mechanisms of photochemistry reaction, adsorption and Photo-Catalytic Oxidation(PCO) on Volatile Organic Compounds(VOCs) are presented respectively.
而自由基扩环反应是合成中环乃至大环有机化合物的一种有效的新方法，已成为当今有机合成化学的前沿研究领域之一。
Radical ring expansion is a new strategy to synthesize the medium-sized and even large rings, nowadays, it is one of the important research fields of organic chemistry.
铁氟龙是一种坚韧、蜡质、不易燃烧的有机化合物，表面光滑，很少几种化学物质能 黏附 其上，在很宽的温度范围内保持稳定。
Teflon is a tough, waxy, nonflammable organic compound with a slippery surface, attacked by very few chemicals and stable over a wide temperature range.
因此有机化合物极谱催化波具有广阔的研究空间，对化学，生物学，药学等学科都有重要的意义。
Thus there is a big field for research work in study of the polarographic catalytic wave of organic compound.
不含VOC——VOCs，或者挥发性有机化合物，是从固体或者液体中散发出来的化学气体。
VOC free - VOCs, or volatile organic compounds, are chemicals that can be emitted as gas from either a solid or a liquid.
最后，PHI指数还考虑化学组成，如是否存在有机化合物，或者发生重要的化学反应所需要的液体溶剂是否存在。
And finally, the PHI takes into account chemistry - such as whether organic compounds are present - and whether liquid solvents might be available for vital chemical reactions.
同时，利用这个规则，能将各类有机化合物的反应作较系统的分类，增强了有机化学的规律性、系统性和条理性。
Moreover, using the rule can classify reactions of all organic compounds systematically and heighten regularity, systematicness and ord…
有机化学的学习要遵循其内在的规律性，而有机化合物的结构、性质及其制备方法是学习的重点。
Studying organic chemistry, one should follow its internal laws. The structures, properties and preparations of organic compounds are the key points in the process of organic chemistry learning.
摘要：有机化学又称为碳化合物的化学，是研究有机化合物的结构、性质、制备的一门学科；
ABSTRACT:Organic chemistry is also known as the chemistry of carbon compounds, is the study of the organic compound structure, properties, preparation of a discipline;
有机化学是研究有机化合物的结构、性质、合成、反应机理和碳化合物间相互转变规律的一门学科。
Organic chemistry is the study of carbon-containing compounds. It is included that the structure, properties, reaction mechanisms, synthesis and transformation of organic compounds.
有机化学是研究有机化合物的结构、性质、合成、反应机理和碳化合物间相互转变规律的一门学科。
Organic chemistry is the study of carbon-containing compounds. It is included that the structure, properties, reaction mechanisms, synthesis and transformation of organic compounds.
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