What is perhaps worse, most organic materials are perishable.
可能更糟的是，多数有机物质会腐烂。
Oxygen will react with nearly all organic materials and metals.
氧几乎同所有的有机材料和金属发生反应。
We saw the organic materials through five different stages of sophistication.
赫德说，“我们找到了5个不同阶段的有机化合物。”
When the plants died and decayed, they formed layers of organic materials.
当这些植物死亡腐烂时，它们就形成一层层有机物。
Study on the relation between structure and properties of organic materials.
研究了有机材料结构和荧光性质的关系。
But the organic materials have a limited lifetime and the technology is expensive to scale up.
但有机材料的使用寿命有限，而且该技术要广泛使用则开销昂贵。
So scientists believe the robot is NASA's best chance yet to discover organic materials on Mars.
因此科学家们相信机器人是美国宇航局发现火星上有机物的最好工具。
Since many of the other ingredients are made from organic materials, they can grow mold and bacteria.
由于很多其他成分是由有机材料制成，它们会发霉，滋生细菌。
It is considered to be the most cost-effective way to remove the organic materials from wastewater.
它被认为是最具成本效益的方法，以消除有机物质的废水。
Impurities consisting of such organic materials as wood, plastic, paint, and fabric can be burned off.
废金属中的有机物杂质，如木料、塑料、涂料和织物，能被烧除。
This has been reported among farmers who maintain silos filled with organic materials for feeding their animals.
在地窖中保存有机物质用来饲养动物的农民中，这已经得到报告。
These organic materials and other biodegradable waste will decompose in time and later produce useful biogas.
这些有机材料和其他生物降解的废物将马上分解，然后产生有用的沼气。
Looking ahead, Naaman believes that spin devices based on organic materials such as DNA could offer several benefits.
展望未来，Naaman认为基于DNA等有机材料制成的自旋装置提供了很多好处。
This is the process plants use to convert carbon dioxide into organic materials, using a catalyst called rubisco.
在这个过程中，植物将二氧化碳转化为含氧物质，使用的催化剂是Rubisco。
It concluded that maize straw could be used as an organic materials for blueberry soil amendment instead of peat.
由此可知，玉米秸秆可以替代草炭作为越橘栽培中土壤改良的有机物料。
The results show that soil microorganism in quality increases in Lei bamboo forest mulched with organic materials.
结果表明，使用有机物料覆盖的雷竹林地土壤的微生物数量显著增加。
Nitrous oxide pollution of the atmosphere occurs usually from the nitration of cellulose and other organic materials.
大气中的一氧化二氮污染通常由纤维和其他有机物质的硝化作用产生。
Then some party of the organic materials must be transformed by slow chemical reactions to oil droplets and gas bubbles.
接下来，被埋藏的有机物质中的一部分通过缓慢的化学反应转化为油雾雾珠和气泡。
Benzene, toluene, dimethylbenzene can be complete mineralized into CO2 and H2O, without producing new organic materials.
苯、甲苯和二甲苯最后都完全矿化为CO2和H2O，没有生成新的有机物。
Non-organic materials must be removed, unless they are made of several new starch-based polymers that biodegrade over time.
非有机材料必须被删除，除非它们是由几个新的淀粉基生物降解聚合物，随着时间的推移。
Adding a layer of active carbon in slow filtering can improve its ability of removal of artificial synthetic organic materials.
在慢滤池中加入一层活性炭可以提高其去除人工合成有机物的能力。
Other chemicals may have a variety of disadvantages such as toxicity or inability to penetrate residual blood and other organic materials.
其它的化学物质都可能有各种各样的缺点，例如：会有毒性或是对清除残血或是有机物质没有效果等。
During the process the organic materials will be turned to the stable humus, which can be used as fertilizer and amend for the plant soil.
在这种堆肥化过程中，有机物由不稳定状态转化为稳定的腐殖质物质，用作肥料和改良土壤。
Dynamics of different soil nitrogen pools after application of urea with DCD or organic materials were studied by aerial incubation method.
采用好气土壤培养试验，研究了尿素配施有机物料和DCD条件下土壤不同氮库的动态。
Biochemical oxygen demand, BOD is necessary for water quality evaluation. It is an important index in measuring organic materials pollution.
生物化学需氧量bod是水质评价的必测项目，是衡量有机物对水质污染的重要质量指标。
Mainly for the dry cleaning of clothing, computer version cleansing, leather and fur cleaning, metal cleaning and synthetic organic materials.
主要用于服装干洗，电脑版清洗，皮毛清洗，金属清洗以及有机合成的原料。
Mainly for the dry cleaning of clothing, computer version cleansing, leather and fur cleaning, metal cleaning and synthetic organic materials.
主要用于服装干洗，电脑版清洗，皮毛清洗，金属清洗以及有机合成的原料。
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