结果表明,NH2自由基与臭氧反应有两条反应通道,其中一条反应活化能很小,反应极易发生。
The results show that there are two different pathways for the reaction of NH2 radicals with ozone. One of them has very low activation energy, so it happens easily.
当它打破这个化学键,氯原子,一个自由的氯原子下来,和在大气层的上方的臭氧反应,这就是臭氧,在大气上层有臭氧。
When it breaks this bond, that chlorine atom, a free chlorine atom comes down and reacts, this is ozone, with the ozone in the upper atmosphere.
臭氧是氧气与紫外线发生化学反应而产生的。
Ozone is produced by the reaction between oxygen and ultraviolet light.
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.
这些照明灯阻止了一种特殊类型的二氧化氮水分子——它被认为是一种硝分子团——的生成,而二氧化氮水分子则是二氧化氮和臭氧的反应物。
The lights prevent production of a particular type of nitrogen-oxide molecule known as a nitrate radical, which forms from reactions of nitrogen dioxide with ozone.
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.
长期以来,研究人员已经了解到:温室气体通过对同温层的冷却作用,可以放慢破坏臭氧层的化学反应速度,因此也许会有助于臭氧层的恢复。
Researchers have long known that greenhouse gases might help the layer recover by cooling the stratosphere, which slows the rates of chemical reactions that destroy ozone.
臭氧能够与人类肌肤油脂里的某些成分快速地发生反应,这些成分包括了某种脂肪酸,尤其还有一种叫做鲨烯的物质。
Ozone is quick to react with a few ingredients in human skin oils, including certain fatty acids and especially a substance called squalene.
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.
目的通过烯烃的臭氧化及其水解的反应历程,研究和测定烯烃的结构。
Objective To study and to determine the structure of alkene by the ozone oxidation of alkene and its hydrolysis reaction course.
Morrison说,下一个要解决的问题是,皮肤与臭氧发生的化学反应让建筑物里的空气质量变得更好还是变得更糟了。
The next question, Morrison said, is whether chemical reactions between skin and ozone make air quality better or worse inside buildings.
许多医生仍在使用臭氧四注射,但正是这种活性物质,它反应立即用白色和红色的血细胞的细胞膜。
Many physicians are still using iv injections of ozone, but it is such a reactive substance, that it reacts immediately with the cell membranes of the white and red blood cells.
这不是纯粹的臭氧发生反应,它与其他氧化物在空气中,并产生毒素,你是吸入这一点。
It is not pure ozone and it reacts with other oxides in the air and produces poisons and you are inhaling this.
臭氧由氧气和紫外线发生反应而产生。
Ozone is produced by the reaction between oxygen and ultra-violet light.
1985年,英国科学家确认,化学反应已开始损害南极上空的臭氧层。
In 1985, British scientists confirmed that chemical reactions had begun to damage the ozone layer above Antarctica.
在这种云表面化学反应会产生一种破坏臭氧层的分子。
The clouds form surfaces where chemical reactions can take place that produce ozone-destroying molecules.
破坏臭氧的反应是链反应。
臭氧能与不饱和烃及氮氧化物反应,并产生大量自由基和官能团。
Ozone can reacts with unsaturated hydrocarbons or nitrogen oxides, and generates numerous free radicals.
然后,氯原子就可以自由地与臭氧分子反应,结合一个氧原子,形成一氧化氯。
The chlorine atom is then free to react with an ozone molecule, taking one of the oxygen atoms to form chlorine monoxide.
臭氧由氧气和紫外线发生反应而产生。
Ozone is produced by the reaction between oxygen and ultra -violet light.
化学反应将会引起严重的臭氧破化。
对于单态卡宾与臭氧的两条反应通道,通道2不仅具有很强的自发性,而且在动力学上更易进行。
The comparison of two channels of the reaction of singlet carbene with ozone indicates that channel 2 is not only strongly spontaneous but also easy to take place kinetically.
控制反应条件为酸性和臭氧浓度恒定,再在酸性溶液中添加叔丁醇,以忽略自由基的影响。
Controlling reaction conditions for acid and ozone concentration, to ignore the effects of · OH by adding the tert-butanol in acid solution.
研究了反应时间、臭氧浓度和反应温度对HDPE氧化程度的影响。
Effects of reaction time, ozone concentration and reaction temperature on oxidation of HDPE were studied.
室内污染物间的化学反应都直接或间接与臭氧有关。
Reactions among indoor pollutants relate directly or indirectly on the ozone.
结论烯烃臭氧化物的形成及其臭氧链异构的反应历程,属游离基型的可能性更大。
Conclusion the form of the alkene ozone oxide and its reaction course of ozone chain isomerization are likely to be the free radical ones.
结论烯烃臭氧化物的形成及其臭氧链异构的反应历程,属游离基型的可能性更大。
Conclusion the form of the alkene ozone oxide and its reaction course of ozone chain isomerization are likely to be the free radical ones.
应用推荐