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.
这些化学活性的酶造成广泛损害。
对上海地区多种商品粉煤灰的化学活性作了研究与比较。
In this paper, the chemical activity of commercial fly ashes with different type taking from Shanghai area are researched and compared.
我们的产品目录包含了广泛的化学和生物化学活性物质。
Our product catalogue covers a wide range of chemistries and biological activities.
首次运用电子脉冲辐解技术研究尼古丁分子的化学活性。
Nicotine has been studied for the first time by pulse radiolysis techniques.
但是，化学活性高、耐蚀性能差的缺陷制约了其应用范围。
However, its application scopes were restricted by the defects of its high chemical activity and poor corrosion resistance.
摘要首次运用电子脉冲辐解技术研究尼古丁分子的化学活性。
Nicotine has been studied for the first time by pulse radiolysis techniques.
由于这些不配对电子，这些分子或原子常具有高度的化学活性。
These unpaired electrons are the cause for the high chemical reactivity of free radicals.
而且，一旦生成激发三线态，它的光化学活性大约比激发单线态大2倍。
Also, the excited triplet state, once populated, is about 2 times more efficient in the formation of the colored form than the excited singlet state.
具有异常化学活性的物质，能起动或引发化学反应，如聚合、氧化或爆震。
A substance exhibiting unusual chemical activity, which enables it to set in motion, or induce, a chemical reaction such as polymerization, oxidation, or detonation.
实验结果表明，阳极氧化能较大地增加碳纤维表面的化学活性和物理活性。
The experiment results show that four kinds of carbon-oxide and the tiny surface defect can be formed on the surface of carbon fibers by anod surface treatment.
控制化学活性物质的加入量，可制得高残碳、高强度的优质沥青结合耐火材料。
When the amount of the chemical active agent is control, A pitchbond refractory with high carbon content and high strength is obstained.
行星正在形成的区域不断迅速产生着新的化合物，其化学活性高得令人难以置信。
The regions where planets are being created are incredibly chemically productive, rapidly generating new compounds.
有机螯合剂的高化学活性及对黄药的协同活化作用是提高黄药捕收性能的关健因素。
The chemical activity of organic chelating agent and its synergistic activation effect on xanthate are the key factors to improve the collecting property of xanthate.
本实用新型可使流体、气体的分子细小化，进而增强其化学活性、提高被应用效率。
The utility model can make the molecules of a fluid and gas fine so as to enhance the chemical activity of the fluid and the gas and raise the applied efficiency of the fluid and the gas.
对铜管来说，我们都知道铜在化学活性排序中序位很低，性能稳定，耐腐蚀性极强。
Of brass, we all know that the copper in chemical and active sort order is very low, stable performance, strong corrosion resistance.
乙二胺是具有化学活性的精细中间体、医药中间体，用它可以开发一系列高附加值产品。
Ethylenediamine has chemical activities as intermediates of fine chemical and medicine, which is widely used to derive a series of products with high value.
向纯铝中加入少量金属元素，能改变铝的电化学活性，增强其抗腐蚀性能，减小负差效应。
The addition of a small amount of metallic elements in pure aluminium would change its electrochemical activity, enhance its anticorrosive performance and decrease its negative differential effect.
结果表明，经过固熔处理后，铝合金电极的电化学活性得到显著提高，但自腐蚀速率加快。
The results show that the electrochemical performance of aluminum alloy electrodes is improved markedly after solution treatment, but the self-corrupt speed of electrodes is accelerated.
二氧化钛具有表面羟基、润湿性、表面酸碱性、表面电性、光化学活性等表面物理化学性质。
Titanium dioxide has unique characteristics, such as the surface hydroxy groups involved, wetting properties, surface acidity or basicity, surface electrical properties and photochemical activity.
自然界中可能不存在纯铱，通常和其它贵金属共生于天然合金中(化学活性不活跃或迟钝)。
It probably does not occur uncombined in nature But is found in natural alloys with other noble (i. e., chemically inactive or inert) metals.
其主要原因是由于这些酶具有高化学活性、结构复杂性、构象易变性等特点，因此，研究较难。
The research reports in this field are very few because the investigation is difficult due to the high chemical activity, the structural complexity and the conformational flexibility of enzymes.
丹参醌分子本身的化学活性和对应的AH -R·与A·的稳定性对此类抗氧化作用有重要影响。
The chemical activities of tanshinone molecule and the stabilities of AH-R·and A· have an important effect on the antioxidation.
干燥是电解二氧化锰生产的工序之一，干燥温度的高低，直接影响生产效率及产品的电化学活性。
Drying is one of the working processes of EMD production. Its temperature would directly affect the production efficiency and electrochemical activity of the product.
温度越高，聚苯胺膜的峰值电流越大，电化学活性越强，聚苯胺在对应电位时的电化学储能能力越强。
Higher the temperature, greater the anodic peak current of CV, and PANI film is more electroactive and has a higher electrochemistry ability of repositing energy on corresponding potential.
研究得出电气石纳米化过程中，颗粒的大小和其结构稳定性正相关，和其表面化学活性反相关的关系。
The research shows that the smaller the particle size is, the stronger the chemical mobility of the surface is, while the weaker the structural stability is.
机械力化学效应使煤系煅烧高岭土产生的高活性表面和化学活性点为其进一步深加工提供了有效途径。
The high actived surface or many chemical actived spots of ultrafinecalcinated coal kaolin are casier interact to surface modifiers, h…
机械力化学效应使煤系煅烧高岭土产生的高活性表面和化学活性点为其进一步深加工提供了有效途径。
The high actived surface or many chemical actived spots of ultrafinecalcinated coal kaolin are casier interact to surface modifiers, h…
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