半融雪通过一种未知的物理过程被压实，而固态、无气泡的冰是由富含可溶性有机物的水形成的。
The slush is compacted by an unknown mechanism, and solid, bubble-free ice is formed from water high in soluble organic substances.
传统的热狗使用的是一种叫硝酸钠的人工合成的添加剂，而天然或有机型的热狗则是用香芹粉或香芹汁来为产品防腐。
Conventional hot dogs use sodium nitrite, the synthetic version of the additive, while natural and organic versions use celery powder or celery juice to preserve their product.
有一个巧妙的方法来纯化dna，用一种酶能够辨别和摧毁微生物有机体的遗传物质而不会销毁太多相关的DNA。
Purifying it involved a clever trick using enzymes that can identify and destroy the genetic material of micro-organisms without also destroying too much of the DNA of interest.
氧气吗当然是多多益善，而三氧化二氮分子在破坏了一系列挥发性有机化合物中的一个分子后也很快就寿终正寝了。这种有机化合物是构成白天烟雾的另一种成分。
The oxygen will bother no one, and the nitrogen trioxide soon meets its end destroying one of a range of volatile organic compounds that are another constituent of daytime smog.
我希望他们有机会享受每一段的教育，当成一种特别的体验，而不是作为一个烦人的要求，为下一步做准备。
I wish them a chance to enjoy each segment of their education as an experience in itself and not as a tiresome requirement in preparation for the next step.
后者也许会让读者觉得惊讶，但仔细想想，珍珠也是一种石头，尽管它是某些贝类而不是地质力产生的有机物体。
The latter may surprise the reader, but on reflection, pearls are also a kind of stone, though organically produced by certain shellfish rather than by geologic forces.
与机械式组织的呆板而稳定相反，有机式组织是一种松散而灵活且具有高度适应性的组织结构。
The organic organization is a highly adaptive structure that's as loose and flexible as the mechanistic organization is rigid and stable.
而垃圾渗滤液就是一种污染物种类繁多、水质构成复杂的高浓度毒性有机废水。
Landfill leachate is a sort of organic refractory effluent with complex pollutant constituents and high concentration of poison.
针对传统染发剂的毒性及刺激性，本文研制一种不含有毒铅，不含苯胺类致敏物，而含属于植物构分的有机化合物的天然型染发。
In this paper, a natural hair dye is studied, which mainly contains organic compound of plant without toxic lead and phenylamine sensitizer.
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.
有丰富的糖、有机酸及膳食纤维等，是一种营养丰富而全面又无污染、具有很大开发利用价值的野生植物资源。
So, it is a kind of wild plant resource with abundant nutritions, no pollution, and great value of development and utilization.
采用信息路径特征与信息点信息量特征描述有机结合而形成的一种新的搜索知识表示方法。
And a new knowledge representation is used including information path and information quantity feature to describe the search knowledge.
一种有机体，如细菌菌株，因某种突变的结果而失去合成某种生长及代谢所需物质的能力。
An organism, such as a strain of bacteria, that has lost the ability to synthesize certain substances required for its growth and metabolism as the result of mutational changes.
鲍贝壳作为一种有机宝石，具有美丽而独特的晕彩，鲍贝还能用来生产具有同样晕彩的贝附珍珠。
Abalone shell, as a kind of organic gemstone material, shows the beautiful and unique iridescence. Abalone can be used to produce blister pearl.
糖蜜酒精废水是一种高浓有机酸性废水，因其色度高、化学耗氧量和生物耗氧量高而不容易处理。
Molasses wastewater was a type of high concentration and acidic organic effluent, which was not disposable easily for its dark color, high COD and BOD.
利用静电自组装技术制备的具有有序纳米结构的有机分子超薄膜，因具有较大的三阶光学非线性而可能成为一种实用并产业化的三阶非线性光学材料。
Organic molecular ultrathin films with orderly nanostructure may be applied and industrialized firstly as one of third-order NLO materials because of their strong third-order optical nonlinearities.
豆制品废水是一种较难处理的高浓度有机废水，而传统的SBR方法仍然有可以改进之处。
Currently, the high organic concentration wastewater from bean production plant is difficult to be treated, but traditional SBR still needs further improvement.
生物法处理是国内较新的一种高效工业有机废气污染治理技术，而具有自动监控功能的智能化处理装置尚处于研制开发阶段。
Biological treatment is an effective innovative technology for controlling air pollution in our country. The intelligent device offering automatic monitoring function is just under development.
摘要聚氨酯是一种新型的有机高分子材料，因其具有优良的性能而被广泛应用。
Abstract : Polyurethane is a kind of promising organic polymer material with excellent properties which has been widely used in a number of areas.
有机硒化合物通常具有较好的生物活性，而硒醚又是其中一种很重要的有机硒化合物。
Organoselenium compounds show good biological activity, and selenides are important compounds of them. There are many disadvantages for methods of selenides synthesis so far.
近年来，离子液体作为一种新型的绿色反应介质因其自身优异的理化性质，而被广泛的应用于各类有机化学反应中。
In recent years, ionic liquids as a new type of green reaction media for its excellent physical and chemical nature have been widely applied to various of organic reaction.
近年来，离子液体作为一种新型的绿色反应介质因其自身优异的理化性质，而被广泛的应用于各类有机化学反应中。
In recent years, ionic liquids as a new type of green reaction media for its excellent physical and chemical nature have been widely applied to various of organic reaction.
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