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pollution materials
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  污染材料
     The key point of controlling indoor air pollution is controlling materials to limit and stop using pollution materials and to promote using green materials.
     同时指出 ,控制室内环境污染的关键是控制材料 ,限制或禁用污染材料 ,提倡使用绿色建材。
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     This article has described the countermeasures for reduction of pollution in finishing process of automobiles,focusing on finishing materials,finishing technology and finishing facilities and indicated that utilization of lower pollution materials,advanced production equipment and optimized production technology are effective ways to solve the "three wastes in finishing process of automobiles.
     本文围绕汽车涂装过程中使用的涂装材料、涂装工艺及设备,阐述了降低汽车涂装过程中造成污染的措施,指出采用低污染材料、先进的生产设备,并优化生产工艺,是解决汽车涂装“三废”问题的有效途径。
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  “pollution materials”译为未确定词的双语例句
     Furthermore,when pollution materials were appended factitiously in order to achieve higher loading,removal efficiency of Butyl acetate,n-Butyl alcohol and Phenylacetic acid were all more than 90% in the case of their maximum inlet loading of 373.4g/(m~3·h),317.2g/(m~3·h) and 209.5g/(m~3·h),respectively.
     在有人为添加污染物的高负荷状态下,醋酸丁酯、正丁醇和苯乙酸的去除率保持在90%以上的最大进气容积负荷分别为:373.4 g/m3.h、317.2 g/m3.h和209.5 g/m3.h.
短句来源
     During the burning process of coal,pollution materials such as No_x,SO_x CO, CO_2,C_xH_y and dust have been given out,In this paper,the productive mechanism and several effective control methods of No_x have been presented.
     主要介绍在燃烧过程中(NO_x)的生成机理及采用烟气再循环法、分级燃烧法、使用低NOx燃烧石、大速差射流浓缩煤粉燃烧和流化床燃烧的NO_x有效控制方法。
短句来源
     This article introduces general situation of water,urban water sources and drinking water in China,analyses the sources of pollution materials in water and the methods of pretreatment and advanced treatment for drinking water and presentes the developing tendency.
     介绍我国水域、城市水源水、饮用水水质状况,分析水中污染物来源及其危害,介绍并评述饮用水预处理及深度处理方法,提出水处理技术发展方向.
短句来源
     The methed of testing seed germinating potential was used for experiment of biologcal effect of Cd2+,Hg2+,As3-. The results showed the seed germinating indexes (SGI)could reflect biological toxic effect of Cd2+,Hg2+,As3- with different concentrations very well. SGI experiment coule also be used for biological toxic judgement of multi-fraction pollution materials as biologcial indexes.
     本文用测定种子发芽势的方法,对Cd2+、Hg2+As3-的生物毒害效应进行了试验,结果表明,种子发芽指数能很好地反映不同浓度Cd2+、Hg2+、As3-的生物毒害作用.种子发芽势试验也可用于多成分污染物的生物毒性判别,通过相关分析或复回归分析可以大致判别出多成分污染物中何种成分生物毒性大.
短句来源
     According to the characteristics of atmospheric precipitation, we analyze the measured data of air pollution materials and atmospheric precipitation of LuoYang in 2000-2002, and build the timing sectionalized function of atmospheric precipitation and pollution factors.
     根据大气降水特点,利用洛阳市2000~2002年环境空气污染物实测资料和大气降水观测资料,通过统计分析,建立大气降水与污染因子因时分段对应函数关系式。
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  相似匹配句对
     Materials
     材料
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     Materials:
     材料:
短句来源
     Pollution of plastic materials and countermeasures
     塑料污染及其治理对策
短句来源
     The pollution
     通常克服电磁污染的方法有屏蔽和吸收。
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     Reduce Envirnment Pollution from Waste Materials
     降低废弃物对环境的污染
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  pollution materials
In passing, we report that the fluorescence lifetime of benzo[a]pyrene in dichloromethane is 14.6 ns, which is known as one of the carcinogenic, environmental-pollution materials.
      


Due to the data of density of many kinds of pollution materials obtai ned in the practical superving and inspecting work, this artiele comes up with clustering analytical model set up similar relation by normal distrlbution of logarithm. It puts forward a suggestion of choosing operator, These supply the reference for further application of clustering analysis in the appraisal of environment quality. Finally the model is tested by the cxample of comprehensive appraisal of air qua lity.

基于实际监测工作中得到的多组污染物浓度的数据,本文提出了用对数正态分布建立相似关系的聚类分析模型,并对算子的选择提出了看法,为Fuzzy聚类分析在环境质量评价中进一步应用提供了参考,最后以空气质量综合评价为例对模型进行了验证。

Domestic pollution is the most widespread one in all kinds of environmental pollution, mainly through surficial water and shallow underground water. The pollution materials are mainly NH_4~+-N, NO_2~--N and NO_3~--N, called 3 N (three Nitrogens). Due to the influence of environment, the different forms of N are transformed one another continously. Therefore, to study the chemical dynamic regularity of transformation of 3N will provide a key method for comprehensive assessment of different forms of N. The...

Domestic pollution is the most widespread one in all kinds of environmental pollution, mainly through surficial water and shallow underground water. The pollution materials are mainly NH_4~+-N, NO_2~--N and NO_3~--N, called 3 N (three Nitrogens). Due to the influence of environment, the different forms of N are transformed one another continously. Therefore, to study the chemical dynamic regularity of transformation of 3N will provide a key method for comprehensive assessment of different forms of N. The authors have established a mathematical model of transformation of 3 N in surficial water and underground water through summary analysis and discussion on dynamic regularity of transformation of 3 N. Through theory and practice to application, the authors propose a set of working methods and procedures for evaluation and research of N pollution in aqueous environment, not only playing an important role in the research of theory and methodology but also a principal guide in evaluation of domestic pollution in real life.

在对“三氮”转化动力学规律进行总结分析、论证的基础上,建立了地表水和地下潜水环境中的“三氮”转化运移数学模型、通过理论—实验—应用三个环节,提出了一套水环境中氮污染的评价与研究的工作方法和程序。

For the first time and from the sedimentologic view, this paper deals with the grainsize distribution, mineral and chemical composition of the deposits from a huge dustfall that took place in the Lanzhou area on May 5, 1993. Studies show that the deposits were badly sorted(SD=1.65)by wind, and might be defined as a silty clayey (Md= 0.0016mm ) according to the grainsize distribution. By X-ray diffraction analysis, the deposits are composed of quartz, feldspar, mica and some other minerals, e. g. carbonate and...

For the first time and from the sedimentologic view, this paper deals with the grainsize distribution, mineral and chemical composition of the deposits from a huge dustfall that took place in the Lanzhou area on May 5, 1993. Studies show that the deposits were badly sorted(SD=1.65)by wind, and might be defined as a silty clayey (Md= 0.0016mm ) according to the grainsize distribution. By X-ray diffraction analysis, the deposits are composed of quartz, feldspar, mica and some other minerals, e. g. carbonate and clay minerals in small quantity. Compered with the Lanzhou loess, the modern dustfall deposits are smaller in grainsize, and contain more gypsum (2.7%) and dolomite (3.65%). Mg as a macroelement is higher than that in the loess, while Si and Na are lower. Studies also reveal that the microelements of Ni, Cu, Zn, Ph and Sr are comparatively higher in the deposits, and this seems to be caused by the pollution materials in the air from mines, modern industries and automobiles when the air-born dusts are transported.Furthermore. the dePOsitS of the heary dust fall indicate an extremely unstable subaerial environment. The dust (or loess) materials were derived mainly from the arid area of the eastern Hexi Corridor, Gansu Province. The dePOSition centre must have shifted from the Lanzhou area during the last glaciation (Malan Epoch) to its northwest at present (postglaciation).

本文首次从沉积学角度对兰州现代特大尘暴沉积物进行了粒度组成、矿物成分和化学成分的分析研究,并同兰州黄土进行了比较。结果表明,沉积物属粉质重亚粘土,分选差,平均粒径仅为0.016mm。矿物成分以石英、长石、云母为主,富含碳酸盐和粘土矿物。与马兰黄土相比,尘暴沉积物粒度偏细;石膏和白云石含量较高;常量元素中镁含量较高,而硅、钠含量较低。微量元素镍、铜、锌、铅、锶含量较高,可能受物源区或降尘区的矿山、工业及交通污染等因素影响所致。总之,特大尘暴指示为大气动力条件很不稳定的快速气下堆积;物质主要源自河西走廊东部干旱地区。现代尘暴事件是地质历史时期黄土沉积的继续,而黄土堆积中心已由马兰期的陇西盆地退向北西。

 
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