煤焦油是伦敦煤气道路照明几乎无限的副产物，利用便宜量大的煤焦油，染厂于1857年开始生产世界上第一种合成染色材料。
Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London's gas street lighting, the dye works began producing the world's first synthetically dyed material in 1857.
在这一过程中，N-二甲基甲酰胺是其副产物。
污泥是污水处理系统产生的副产物。
Sewage sludge is a by-product of the wastewater-treatment system.
黄酒糟是黄酒生产企业的主要副产物。
There are still a lot of problems in comprehensive utilization of yellow wine lees .
版权是文艺复兴的副产物。
目前已检测出消毒副产物有200多种。
此外，又提出副产物的利用和三废治理途径。
In addition, the USES of the by-products and the treatment ways of the wastes are suggested.
彻查细胞的副产物并寻找其代谢图谱有助于破解长寿之谜。
Rummaging through the by-products of cells and looking for patterns could help to unlock the secrets of better health.
结果发现，这些棕色污点含有真菌代谢的副产物——黑色素。
It turns out that the brown marks contain melanins - byproducts of fungus metabolism.
既然丙烯也是石油工业产品的副产物，这也意味着其产量缩水。
That too means less propylene, since it is also a by-product of petrol production.
然而，许多研究显示，在场的许多氯化副产物的水。
However, numerous studies have revealed the presence of many chlorination by-products in the water.
这些产生受体时的副产物随着时间的推移会有规律地逐渐减少。
The number of these receptor by-products declines regularly over time.
作为自由常规的副产物，许多作家感觉在网上可以自由的发表言论。
And as an unusual byproduct of the general freedom many writers feel free to "say anything" on the Web.
一项利用T细胞副产物的新技术可以通过血样就鉴定出受害者的年龄。
Taking advantage of t cell by-products, a new technique may make it possible to estimate the age of a victim using only a blood sample.
一次通过系统脱水反应后的泥浆为处置或使用作为副产物。
Once through systems dewater the spent slurry for disposal or use as a by-product.
因为表层皮肤里的某些物质与臭氧相互作用时会产生副产物。
反应副产物是水和氧化镁，而氧化镁然后又可通过使用太阳能激光法转换成镁。
The byproducts are water and magnesium oxide, which can then be converted back into magnesium using the solar laser.
研究人员将寻找其他的酶，或对现有的酶进行调整，将副产物最小化。
The researchers would then look for other enzymes, or modify current ones, to minimize the by-product.
副产物包括反射性的碘和铯，它们会产生“衰变热”——即需要缓慢释放的残余热。
Those byproducts include radioactive iodine and caesium, both of which produce what's called "decay heat"--essentially residual heat that very slowly dissipates.
但最近，医生根据异常的血肌酐(一种正常代谢副产物)水平进行诊断。
But more recently, physicians began shifting their definition to one based on abnormal blood levels of creatinine, a normal byproduct of metabolism.
这些反应是我们的意识的副产物，主要基于瞬间的感觉，而不是经过考虑的。
These reactions are the byproduct of minimal amounts of conscious thought and primarily based on momentary 'feelings' instead of mindful awareness.
燃料电池让氢与空气通过催化合成反应产生电力，唯一的副产物仅是热量和水。
Fuel cells combine hydrogen and air to produce electricity by running them through a chemical catalyst. The only byproducts are heat and water.
由于硫酸作催化剂合成羧酸酯副产物多、产率低、且腐蚀设备、造成环境污染。
Sulfuric acid was used as a catalyst to prepare acetic esters with more by-product, low yield, equipment corrosion and acid wastewater.
大部分人会说好起来了,但问题是，这很可能是一个所谓,“趋均数回归效应“的统计副产物
for the most part they'll tell you that they did but the problem is this could be a statistical byproduct of what's called "regression to the mean."
其中包括从金矿和铜矿的矿尾中提取铀，以及利用化肥制造过程中产生的副产物硫酸。
These include stripping it out of the tailings from gold and copper mines, and also from phosphoric acid produced during the manufacture of fertiliser.
聚丙烯来自丙烯，而丙烯又是生产乙烯（一种特殊用途的碳氢化合物）所使用特殊工艺的副产物。
Polypropylene is derived from propylene, which is in turn a by-product of a specific way of producing ethylene, a particularly useful hydrocarbon.
据某些心理学家的说法，梦不过是大脑在不接受正常感官刺激时的副产物，是在夜间的天马行空。
According to some psychologists, dreams are nothing more than the by-product of a brain disconnected from its normal sensory inputs, free-wheeling its way through the night.
但是这项研究同样发现了这些化学反应产生了未知且有可能对身体有危害影响的副产物。
But the study also found that these chemical reactions produce byproducts with unknown and possibly harmful effects on health.
但如果这是自性的要求，而自我却继续象其他方向飞逃，极大的内心痛苦将会成为副产物。
And yet if that's what the Self is asking and the ego continues to fly off in the other direction, immense internal suffering is going to be the by-product.
十年前，北美的大多数乙烯是石油脑(一种石油衍生物)所制：其生产过程所产生的副产物正是丙烯。
A decade ago most ethylene in North America was made using naphtha, an oil derivative: it is this process that has propylene as its by-product.
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