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protective distance
相关语句
  防护距离
     Study of Protective Distance for Factory Produced Yellow Phosphorus
     黄磷厂卫生防护距离的研究
短句来源
     and 80dB(A),L_(50)was 73dB(A),in primary school,during 9:00 ̄16:45.By statistic analyses of varying distance noise-reduce,this paper suggested when transport noise level is less than 50dB(A)in school classroom,the protective distance is 120metres,and 220 metres less than 45dB(A).
     文章还对不同距离的噪声衰减情况进行统计分析,并制订出乡镇中、小学教室内噪声不超过50dB(A)防护距离为120米; 不超过45dB(A)防护距离为220米。
短句来源
     A Study on Sanitary Protective Distance of Primary and Middle School in Villages and TownsZhang Xiuzhen;et al
     乡镇中、小学教室噪声卫生防护距离的研究
短句来源
     EXPLORE ABOUT SANITARY PROTECTIVE DISTANCE
     关于卫生防护距离问题的探讨
短句来源
     In the paper, four aspects of atmospheric pollution are discussed and predicted: determination of discharge amount,calculation of diffusion model, influence area and health protective distance.
     针对堆肥所产生的大气污染物进行源强确定、扩散计算 ,分析其影响范围并推算卫生防护距离
短句来源
更多       
  保护距离
     Analysis of the Maximum Protective Distance between the Surge Arrester and Electrical Devices to be Protected
     避雷器与被保护设备之间最大保护距离的分析
短句来源
     The text is the study of TD-SCDM、 WCDMA & CDMA2000 working in the neighboring frequency band and the protective band and protective distance to conexist .
     本文就是对相邻频段的WCDMA系统和TD-SCDMA系统在同一地区使用时所需的保护带宽和保护距离加以研究。
短句来源
  “protective distance”译为未确定词的双语例句
     Fig TD-SCDMA and WCDMA frequence dispositionBy calculating the protective band and protective distance of TD-SCDMA 和WCMDA,the text resoved the question of TD-SCDMA and WCMDA conexist in the neighboring frequency band. It is of high value in theory and in practice with 3Gfrequence disposition .
     图 TD-SCDMA和WCDMA之间的频率考虑本文通过对TD-SCDMA 和WCMDA两系统隔离距离和保护带宽的计算,较好地解决了TD-SCDMA 和WCMDA在相邻频段频率共存的问题 ,为3G频率划分问题提供了理论依据,具有很重要的理论及应用价值。
短句来源
     The efficient protective distance was 4H at least; The mean value of Richardson and turbulent coefficient in the protected farmland was 4.6% more and 14.7% less than that in CK respectively.
     防护农田内理查逊数 (Ri)总体平均值比对照点约高 4 .6 % ,动力速度总体平均值比对照点约低 14 .7%。
短句来源
     The effect of maximum protective distance l between the surge arrester and the electrical devices on the device to be protected at ingress of lightning surge to substation is briefly analyzed,focused on procedure of deriving formula for l.
     简要分析了雷电波侵入变电所时,避雷器与被保护设备之间的最大距离l对被保护设备的影响;
短句来源
     The protective effect is varied with the parameter arrangement between the top-unit and bottom unit and the protective distance.
     避雷器的保护效果依据上、下单元参数搭配的不同及距被保护设备距离的不同而不同。
短句来源
     establishing the technical standard system for home-made TCSCs; overcoming the shortcomings of protective relaying for transmission line where the TCSC equipment is installed such as transient-state overreach in the first section of distance protection or insufficient protective distance; optimizing the coordinative operation among equipments TCSC,power system stabilizer and devices for power system security and automation and actively spreading the application and dissemination of TCSC technology.
     提出提高TCSC装置电磁兼容能力,建立国产化TCSC的技术标准体系,解决装设TCSC装置线路的继电保护距离I段暂态超越或保护范围太短的问题及优化TCSC与电力系统稳定器、安全自动装置等设备的协调运行问题,并积极推广TCSC技术应用的建议。
短句来源
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Through observing the meteorological effects on the coastal shelterbelts(or netss)from Beihai to Hepu of Guangxi,three structures of the forest belts on their lee side from different dis- tances were studied.The forest meteorological elemental effects,such as wind velocity,temperature,air humidity,evaporation and soil tem- perature also were studied,from this study,the relative wind velocity, resisting wind effect and protective distance of the belts as well as a model of wind velocity forcast in strong...

Through observing the meteorological effects on the coastal shelterbelts(or netss)from Beihai to Hepu of Guangxi,three structures of the forest belts on their lee side from different dis- tances were studied.The forest meteorological elemental effects,such as wind velocity,temperature,air humidity,evaporation and soil tem- perature also were studied,from this study,the relative wind velocity, resisting wind effect and protective distance of the belts as well as a model of wind velocity forcast in strong typhoon and constant wind speed were obtainded.At the end of this paper,a suggestion was made about how to set up and reform a protective forest shelterbelt or net.

通过对广西北海——合浦沿海防护林带(网)气象效应的观测,分析了紧密、疏透和通风三种结构防护林带背风面不同距离的风速、气温、空气湿度、蒸发和地温等森林气象要素效应,得出它们的相对风速、防风效能、防护距离和有效防护距离,以及在强台风和常凤影响下的风速预报模式。并提出建设和改造防护林带(网)的具体建议。

The anthors reported that the air pollution condition and potential health effects associated with factory produced yellow phosphous. According to the measure of the ground level of phosphorus pentoxide (P_2O_5), we obtained the concentration of pollutant at various distances by the model of dispersion calculation and suggested that eight hundred metres can be allowed for the protective distance of factory produced yellow phosphorus from the analysis of resident health effects and concen tration of pollutant...

The anthors reported that the air pollution condition and potential health effects associated with factory produced yellow phosphous. According to the measure of the ground level of phosphorus pentoxide (P_2O_5), we obtained the concentration of pollutant at various distances by the model of dispersion calculation and suggested that eight hundred metres can be allowed for the protective distance of factory produced yellow phosphorus from the analysis of resident health effects and concen tration of pollutant in this area.

作者对黄磷生产排出的主要大气污染物五氧化二磷及其对居民的健康效应进行了调查。根据实测结果,采用地面浓度反推法,结合居民健康影响的程度,提出黄磷厂卫生防护距离可订为800m。

We studied the Protective distance of reel factory by monitoring odor of the factory areas and investigating the nearby residents' health.The result suggested the different protective distance suitable for silk reeling under various Producing condition as well as average wind rate of the year.

本文通过感官测试正解概率法,对缫丝生产排放的恶臭气体污染环境的现状,源强特征,无组织排放水平及其对居民健康影响等问题进行探讨,提出在不同生产规模、年平均风速条件下,缫丝厂所需卫生防护距离。

 
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