查询词典 contaminant

Deoxynivalenol was a kind of mycotoxin and belongs to trichothecenes produced by Fusarium, leading to anorexia, emesis, immunosuppression or immunostimulation, teratogeny, cytotoxicity, reproductive toxicity and human cancers. DON was mainly a common contaminant of wheat, corn and relevant products.

脱氧雪腐镰刀菌烯醇(deoxynivalenol，DON)是由镰刀菌产生的有毒次级代谢产物，具有导致厌食、呕吐的急性毒性和免疫、细胞、生殖毒性以及致癌性，主要污染小麦、玉米等谷物及其制品。

Trichloroethylene has been the most prevalent contaminant in soil and groundwater due to its wide use in modern industrial production. However, its impact on human health has also been a growing concern.

作为现代工业中广泛使用的氯代溶剂，三氯乙烯对土壤和地下水的普遍污染及其对人体健康的影响已经引起了人们的重视，关于其处理方法也受到人们的广泛关注。

Execute " with large generation small " hind, can reduce generate electricity coal consumption and ensure moving economy, safe; is ameliorable atmosphere environment, reduce the contaminant; such as discharged soot, SO2 to be able to reduce water resource is used up and; of liquid waste discharge capacity can reduce discharge capacity of grey broken bits and noise.

实行&以大代小&后，可降低发电煤耗和确保运行经济、安全；可改善大气环境，减少排放的烟尘、SO2 等污染物；可减少水资源消耗和废水排放量；可减少灰渣排放量和噪声。

Based on the unique characteristics of the Yellow River and previous research on its ecological water requirement, the present paper recommends that the water requirement for transport in the flood season and base ecological flow in non-flood season should be both included in the ecological water requirement. The water requirement for transport is 80 × 108-120 × 108 m3 per year if the bankfull discharge carries the largest sediment and contaminant load over a long period of time. The base ecological flows in non-flood season at Huayuankou and Lijin stations are 80 × 108-100×108 m3 and 50 × 108-60 × 108 m3, respectively.

通过分析黄河下游1958～2000年实测生态可用水，探讨生态需水量内涵，根据黄河特殊性及黄河生态需水量的研究现状，将维持和保护河流功能的黄河下游生态需水量分为汛期输运水量和非汛期生态基流量，在平滩流量输运能力最强的前提下，估算黄河下游汛期输运水量为80～120亿m3，根据实测资料估算作为黄河下游水量控制断面花园口水文站和作为河口地区水量控制断面利津水文站的非汛期生态基分别为80～100亿m3和50～60亿m3。

The contaminant removal mechanism of refined diatomite technology and its application in China were introduced.

介绍了硅藻精土水处理技术的除污机理及其在国内的应用情况，根据目前已施工项目的实际运行情况，指出了硅藻精土技术应与其他生化技术进行组合，并作为深度处理单元置于生化单元之后。

The practice shows that the organic matter content of compositive wastewater can be reduced from about 15000 mg/L to 4000~6000 mg/L by diffluent treating saline wastewater of high contaminant concentration and dispersed treating sulfur-included wastewater, in the result the possibility of finally releasing up to par is improved.

实践表明通过对光敏剂生产废水中高含盐废水的分流处理、含硫废水分散预处理，可以使综合废水的COD从15000mg／L左右下降到4000～6000mg/L左右，提高了废水末端处理达标排放的可行性。

The status of the applications of dissimilatory Fereduction in environmental contaminant treatment were also discussed.

介绍了国内外有关Fe还原在环境污染治理中的研究现状及其发展趋势。

In this paper, adsorption is firstly described as a function of CSGC, and the effects of component and their ratio of grouts, leachate environment such as temperature, pH and salinity on adsorption are studied with equilibrium experiment. The evidence shows that the adsorption mechanism of CSGC to contaminant conforming to Freundlich Adsorption Model. It provides the theory for establishing CSGC and utilizing adsorption mechanism.

本文首次将吸附性能引入防渗帷幕的功能作用，通过大量的吸附平衡试验分析了浆液配比、地下水环境和用量对帷幕吸附污染物性能的影响，研究了帷幕对污染物的吸附规律和去除特征，结果表明粘土固化注浆帷幕对污染物的吸附符合Freundlich吸附模式，为建立粘土固化注浆帷幕、充分发挥其吸附性能提供了理论基础。

Permeability of clay-solidified grouting curtain to leachate. The influence of components and their ratio of grouts, concentration and pH of leachate on permeability are studied with laboratory experiment, and the functional formula of hydraulic conductivity and content of clay and cement is brought up. Then the effects and the characters of CSGC anti-seepage to contaminant such as heavy metals and organic matter are studied.

对浆液配比、渗滤液浓度、pH值等对粘土固化浆液结石体渗透性能的影响进行了室内试验，首次给出了结石体渗透系数与粘土加量和水泥加量之间的函数关系式，研究了帷幕对不同污染物的抗渗效果和阻滞特征，并分析了其渗透性能变化的微观作用机理。

Therefore, evaluating the spatial distribution of value of hydrogeological parameters for contaminant transport modeling in a proper way is quite critical.

因此如何适当地估测地下水溶质传输模拟所需的水文参数在空间的分布成为水文地质领域的重要研究课题。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。