查询词典 pollution

The further development of conventional industrial processes of propylene oxide using the chlorohydrin route or oxirane technology is limited due to environmental pollution and its high production cost,so that the demand of exploring novel,economical and clean technologies for PO production becomes important.

环氧丙烷传统的工业生产方法如氯醇法路线或共氧化技术由于环境污染或成本较高等原因阻碍了其进一步发展，开发既清洁又经济的绿色合成技术是环氧丙烷工业今后的发展方向。

Propyleneoxide is produced with chlorohydrin method or Halcon method which gives rise toenvironmental pollution or a large amount of co-product.

是最洁净、廉价的氧源，但工业上除乙烯外，其它环氧化合物还不能通过〓直接高选择性环氧化相应的烯烃制得。

However the chlorohydrin route generates chlorinated by-products, mainly dichloropropane and CaCl_2, which results in equipment erosion and serious environmental pollution, while the co-production route needs large investment and its economic benefit is linked to market of the by-products, namely styrene or tert-butyl alcohol.

氯醇法设备腐蚀和环境污染严重，共氧化法设备投资巨大且受到联产物——苯乙烯或叔丁醇销路的制约。1983年，Taramasso首次报道了钛硅分子筛(TS-1)的合成，为低碳烯烃选择氧化开辟了一条新的途径。

Raw meat or meat chopping board can also spread the pollution.

生肉 或切肉案板的污染同样可以传染。

Applications of supercritical fluid state technology in pollution control of pulp and paper industry, including development of friendly sulfur free and chorine free delignification , and waste treatment etc,were recounted in this paper.

介绍了超临界流态技术在制浆漂白和污泥处理研究中的应用，为开发制浆造纸超临界流态污染控制研究课题提供思路。

Explains: for in-and-ink easily washed, relative to environmental pollution, too small, but chemical stability, such as when the organic chrome yellow against base be red after.

所以讲：合用在火不朱洋很便当火洗，不绝不不差不不差境况浑浊也小，但冻学安定性不不不差，例如当不不不无机铬黄在逢碱后极便当变不败白色。

The pollution from the chrome tanning effluent has become increasingly a serious problem that faces leather industry.

铬鞣废液的污染问题是制革工业面临的一个严峻问题。

There exist some unassailable problems in traditional chrome tanning, such as low exhaustion of chrome, salt pollution from pickling, and time-consuming process, etc.

传统浸酸铬鞣存在着一些不容忽视的问题，如：铬的吸收率低，浸酸时带来的盐污染，鞣制周期长等。

The subject of this seminar was divided into six sessions which were(1)clean technology and legislation update;(2) cleaner production through advanced process control;(3)beamhouse pollution control:practical views;(4)practical experiences in environmental management;(5)effective chrome tanning and (6) pollutioncontrol in leather finishing.

会议收集了22篇来自制革者和可能对制革清洁技术提出建设性意见的优秀论文。会议所分六个专题报告都取得圆满结果，这六个专题是：1。清洁技术和最新立法；2。通过先进的工艺控制进行清洁生产；3。准备工段污染控制：实际展望；4。环境管理中的实践经验；5。有效的铬鞣；6。皮革涂饰中的污染控制。

The residual Pb2+ can be removed by phosphorite to avoid bringing new pollution.(3) It is feasible to produce yellow chrome by using the leachate of chrome slag.

由铬渣中提取的六价铬的方法和试验的影响条件，通过研究证明了利用铬渣淋滤液制取铬黄颜料的可行性。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。