查询词典 pollutant

Through analyzing the influence of refrigerants on the environment and calculating unit energy consumption and pollutant discharging amount, this paper presents that better energy environmental benefits can be achieved by utilizing air-cooled heat pump for heating.

通过对制冷剂的环境因素分析及对机组能耗、污染物排放量的计算，说明利用风冷热泵供暖具有较好的能源环境效益。

The seedlings of Catalpa ovata G had more effect than that of Gleditsia japonica Miq on the decomposition rate of pollutant at low pollution level.

在低污染水平，梓树苗木对污染物降解的贡献大于山皂荚苗木。

The activity of superoxide dismutase, content of chlorophyllans element S in the leaves of Symplocos tetragona treated with 10 mmol/L NaHSO3, and pH buffering capacity in cell sap were determined in order to explore the resistance mechanism of S. tetragona to SO2 pollutant in this paper.

野外调查了棱角山矾抗SO2大气污染的生长状况，为探讨其抗性机理，进行了室内外加HSO3-处理试验，测定了SOD酶活性、叶绿素含量、硫含量和细胞液pH值及其缓冲能力。

The plans of the industrial chains for Zhenhai chemical park which represents the mode of individual entity symbiosis in China and for ZJC group company which represents the mode of comprehensive entity symbiosis in China have been studied in this dissertation.The whole industrial chain and branch chains of circular economy have been planned for Zhenhai chemical park. The branch chains consist of ethane chain, C_1 chain, HC1 chain, H_2chain, NH3 chain and S chain. The concept of equivalent pollutant emission, E?

本文对镇海化学工业区的工业链构建进行了可行性分析；完成了园区工业链的整体规划设计，和包括乙烯工业链、碳一工业链、HCl工业链、H_2工业链、NH_3工业链、S元素工业链在内的6条分链的设计；提出了污染排放当量E_t′的概念，并将其应用到园区工业链招商的初评，制定了入园参考线；本文在对ZJC集团公司发展现状分析的基础上，根据其物质流和能量流的分析，进行了工业链的总体设计，并对氟化工产业、基础化工产业(包括以合成氨为代表的煤化工、以氯碱生产为代表的盐化工以及硫酸、电石等产业)和石油精细化工产业完成了分链设计，进行了分链的分析，提出了建议。

Gas emissions:(1) calciner waste gas, receives the dust purification after respective high-pressured static electricity dust removal, the weight place 75m chimney disperses into the atmosphere, and achieves "Industry Dry kiln Air pollutant Emissions Standard" two level of standard requests.

气体排放：（1）焙烧炉的废气，由各自高压静电除尘收尘净化后，分两座75m的烟囱排入大气，并达到《工业炉窑大气污染物排放标准》二级标准要求。

With the rapid development of industrial production, chrome has become a main environmental pollutant in the recent years.

近年来，由于工业生产的飞速发展，铬已成为一种主要的环境污染物质。

Evaluation index of industrial water pollution are defined based on industrial wastewater emission standards and the emphasis of water control, according to industrial water pollution emissions data of 31 provinces in China impact of water pollution is calculated by the improved entropy method, lead, cyanide and ammonia nitrogen are in the top three on the impact of water pollution, water pollutant index are divided into heavy metals index and composite index by variable cluster.

根据我国工业各行业的排放标准和水污染控制重点，确定了我国工业水污染状况评价指标，采用改进熵权法对我国31个省区工业水污染物的排放数据进行计算，得到工业废水中铅、氰化物、氮氨对水污染影响居于前三位，应用变量聚类将水污染物分成重金属指标和复合指标，通过熵值对全国各地区工业水污染总体状况、重金属指标、复合指标进行排序，得到东部、中部地区是我国工业水污染较严重地区，但两个地区工业水污染原因有较大区别。

Coal mine waste water is a kind of pollutant, and it is valuable water resource.

煤矿矿井水既是一种具有行业特点的污染源，又是一种宝贵的水资源。

After taking those factors, such as stable combustion and reducing pollutant emissions into account, the following operation parameters are recommended: combustion temperature between 850℃ and 860℃, excess air coefficient of 1.35, secondary air fraction 40% and mass mixing ratio 30%.

综合考虑稳定燃烧和降低污染物排放等因素，得出一系列最佳燃烧参数。燃烧温度应该控制在850~860℃，过剩空气系数应该控制在1.35左右，二次风率应该控制在40%左右，质量掺混比应该控制在30%左右。

Taking the irrigation with reclaimed water of Dawukou Forest Park in Ningxia as an example, through the indoor test of one-dimensional dust columniation , the regular patten of pollutant shift in soil when irrigated with reclaimed water at different infiltration condition was studied.

摘要以宁夏回族自治区大武口市森林公园利用再生水灌溉为例，通过室内一维土柱试验模拟土壤的入渗过程，研究了不同灌溉入渗条件下污染物在土壤中的运移规律，结果表明：土壤的吸附作用是影响该地区土壤污染物迁移的主要因素。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了