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exposure limit
相关语句
  接触限值
     [Conclusion] There exists a relationship expressed as TWA theor=μe σ 2/2,between EIC and TWA in most workplaces,which may be helpful in converting EIC into TWA concentrations and in setting the TWA value while working out a dust occupational exposure limit in China and also determining how much should be allowable for TWA excursion limit internationally.
     [结论 ]生产性矽尘EIC与TWA之间在多数情况下存在一定的函数关系 ,经TWA理论 =μeσ2 / 2可将EIC转换为TWA ,这对于我国制订粉尘职业接触限值时确定其TWA限值 ,以及对于TWA的上限值容许上移多少这一国际上有争论的问题均有指导作用
短句来源
     Both are over the Permissible Exposure Limit (5mg/m3)promulgated by OSHA, USA.
     均超过职业接触柴油机废气颗粒物有关联的美国OSHA的容许接触限值5mg/m3。
短句来源
     Results Before technical reformation, tested in 18 weld working posts, the over-standard rate of weld fume concentration (total dust) in workplaces was 94.4% . The maximum value of short term exposure limit(STEL) was 36.0 mg/m3, exceeding the standard by 5.0 times.
     结果技术改造前,测定18个电焊作业工作岗位,电焊烟尘(总尘)浓度超标率为94·4%,短时间接触限值(STEL)最大值为36·0mg/m3,超标5·0倍;
短句来源
     The results of life table method analysis suggested that there was an exposure level response relationship between accumulative TAP dust exposure and lower FEV1.According to the results reported here,an exposure limit for TPA dust was proposed to be 4 30 mg/m 3.
     寿命表法分析提示,FEV1的累积异常率与累积接尘量有一定的接触水平——反应关系。 据此,本文提出了TPA粉尘的接触限值为4.30mg/m3。
短句来源
     The relation between benzene concentration in the expired air and other biological monitoring indices was explored in conjunction with physical examination based on the BEL of expired aif for benzene in other countries and the MAC(40mg/m~3)applied in our country now. we suggest that the biological exposure limit for exhaled benzene at the beginning of the subsequent shift be 0.40μg/L(0.12ppm).
     根据我国现行苯的最高容许浓度(40mg/m~3),建议职业性苯接触者“班前”末端呼出气中苯的生物接触限值为0.40μg/L(0.12ppm)。
短句来源
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  暴露极限
     The results showed that the intensity of WBV given by tractors and trucks exceeded the Exposure Limit for 8 hrs. of ISO 2631, and that the vibration level of the dredges was perhaps unsafe.
     结果表明,拖拉机、卡车所致振动均超过ISO2631 8小时暴露极限
短句来源
     The four development landmarks were mainly elaborated: oxygen supply and sky exploration, pressured cabin and high altitude exposure limit, pressure oxygen and airplane altitude ceiling, and onboard oxygen generation and airplane voyage.
     重点阐述高空供氧与升空探索、增压座舱与高空暴露极限、加压供氧与飞机升限和机载制氧与飞机航程 4个里程碑式的发展历程
短句来源
     According to GB/T 13442-92,correlation curve and regression equation of exposure limit and fatigue-decreased proficiency boundary vs vibration intensity were plotted,and reduced comfort boundary was directly gained.
     依据国家标准中数值绘出暴露极限、疲劳-减效限与振动强度相关曲线,求出回归方程;
短句来源
  “exposure limit”译为未确定词的双语例句
     Biological exposure limit (BEL) of urinary 1-OH-Py is 0.11μmol/mol creatinine for non-smoking general group and 1.90μmol/mol creatinine for coke oven workers.
     一般人群的尿中1-OH-Py的生物暴露限值为0.11μmol/mol肌酐,焦炉工人为1.90μmol/mol肌酐.
短句来源
     Using urinary 1-OHP biological exposure limit of 2.3 μmol/mol creatinine as boundary value,logistic analysis indicated that compared with control group,the odds ratio(OR) of urinary 1-OHP concentration showed increase in auxiliary workers,bottom-oven workers,side-oven workers and topside-oven workers(1.48,5.42,3.33 and 21.66,respectively,P=0.579,0.028,0.133 and 0.008).
     以尿1-OHP浓度2.3μmol/mol Cr为界值进行Logistic回归分析,结果与对照组比较,辅助工、炉底工、炉侧工、炉顶工尿1-OHP浓度升高的危险度OR分别为1.48,5.42,3.33和21.66(P值分别为0.579,0.028,0.133和0.008);
短句来源
     Result The average dust concentration(permissible concentration-short term exposure limit,PC-STEL) in workplaces of 152 gem processing factories was 1.9 mg/m~3(exceeding the mark rate 55.58%),and the average free SiO_2 was(70.89 ±21.79) %.
     结果152家宝石加工厂工作场所粉尘短时间接触容许浓度平均1.9 mg/m3(超标率55.58%),游离S iO2含量平均(70.89±21.79)%。
短句来源
     For crocidolite, the most dangerous asbestos, about 20 countries take more strict exposure limit as 0.5f/ml or less, whereas most of them take 0.2 f/ml.
     有20个国家已对危害最大的青石棉另订出更严格的限值,均在0.5f/ml以下,大多数为0.2f/ml。
短句来源
     The feasible exposure limit of jute dust was 4? mg/m 3.
     我国黄麻粉尘卫生标准 4mg/m3 是基本适宜的
短句来源
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  exposure limit
The dust levels exceed the occupational exposure limit (OEL) of 0.5?mg?m-3 for flour dust.
      
Exposure at the current Occupational Safety and Health Administration (OSHA) permissible exposure limit (PEL) and at leaking underground storage tank (LUST) sites were evaluated.
      
population have urine cadmium concentrations greater than 2 μg/g creatinine, and 0.2% have concentrations greater than 5 μg/g creatinine, the current World Health Organization health-based exposure limit.
      
The comparison showed no evidence to suggest that styrene metabolism is suppressed by coexposure to methanol and methyl acetate at low concentrations below the current occupational exposure limit of 200 ppm.
      
On 30% of the observed working days the Dutch occupational exposure limit of 5 mg/m3 was exceeded.
      
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This paper discusses the absorption characteristics of animal and humanexp-osed to radiofrequency electromagnetic (EM) radiation A review and evaluation of biological effects of EM radiation has been made. Implications and scientific basis for the exposure limits are discussed in great detail.

本文讨论生物和人体对射频电磁辐射的吸收特征,电磁辐射的生物效应及其对人体健康的影响。讨论制定电磁辐射限值的若干科学判断依据。

Determination of airborne nickel concentration and examination of workers' health status in a nickel mining and smelting company were conducted in 1984-1985. The results showed that geometric means of airborne nickel ranged from 0.0083mg/m3 to 0.3919mg/m3 in three nickel production workshops, and it was 0.0046mg/m3 in auto-repair shop, 0.0056mg/m3 in the atmosphere of residential area.By means of personal samplers, the geometric means of nickel exposure were 0.0875mg/m3 for workers in electric-arc furnance section,...

Determination of airborne nickel concentration and examination of workers' health status in a nickel mining and smelting company were conducted in 1984-1985. The results showed that geometric means of airborne nickel ranged from 0.0083mg/m3 to 0.3919mg/m3 in three nickel production workshops, and it was 0.0046mg/m3 in auto-repair shop, 0.0056mg/m3 in the atmosphere of residential area.By means of personal samplers, the geometric means of nickel exposure were 0.0875mg/m3 for workers in electric-arc furnance section, and 0.2294mg/ m3 for workers in converting furnance section. Compared with U.S. OSHA PEL (1mg/m3) , only 18 samples collected in smelting shop exceeded the exposure limit value.

1984—1985年在某镍矿对工人接镍水平和健康状况进行了调查研究。镍生产车间空气镍几何均值处在0.0083mg/m~3至0.3919mg/m~3之间.非职业性接触镍的汽修车间空气镍几何平均浓度为0.0046mg/m~3,居民区大气中为0.0056mg/m~3。用个体采样器测得结果,电炉工平均接镍水平为0.0875mg/m~3,转炉工为0.2294mg/m~3。与美国OSHA的PEL(1mg/m~3)相比,仅熔炼车间有18个样品的浓度超过了此接触限值。用分层抽样法对部分工人进行了健康检查(n=389).除生物材料中镍含量增高外,未检出可归因于接触镍的临床所见。各车间尿镍、发镍水平与空气镍浓度平行。以镍的近期效应为判断依据,当前的镍接触水平基本上是可以接受的,车间空气中难溶性镍化合物的最高容许浓度可考虑订为1.0~0.5mg/m~3。

In Shandong Zibo Storage Battery Factory ,ventilation equipments were installed to lower the concentration of lead fume/dust.Yet the concentration of lead fume/dust was still higher than the hygienic standard.The correlation between the concentration of lead fume/dust and the attack of lead poisoning was analysed.By the method of Stepwise regression it was shown that there were Significant relation between the concentration of lead fume and the attack of lead poisoning when exposing to lead fume; and significant...

In Shandong Zibo Storage Battery Factory ,ventilation equipments were installed to lower the concentration of lead fume/dust.Yet the concentration of lead fume/dust was still higher than the hygienic standard.The correlation between the concentration of lead fume/dust and the attack of lead poisoning was analysed.By the method of Stepwise regression it was shown that there were Significant relation between the concentration of lead fume and the attack of lead poisoning when exposing to lead fume; and significant relation between cumulative exposure value of lead dust to the attack in workers exposing to lead dust.By the method of logistic regression,the safe exposure limits would be 0.028mg/m3 for lead fume and 0.056 mg/m3 for lead dust.since the concentration is much higher than before, while pouring lead powder, it could be predicted that there will be more lead poisoning patients later.

山东淄博蓄电池厂,用通风排气方法降低了车间空气中铅烟(尘)浓度,但仍超过国家卫生标准。用逐步回归方法分析发现,在接触铅烟的工人中,铅烟浓度与铅中毒发病有较密切的关系;在接触铅尘的工人中,铅尘的累积接触量与铅中毒发病有较密切的关系。用Logistic回归法计算,可得该厂铅烟的安全浓度为0.028mg/m~3,铅尘为0.056mg/m~3;并可对今后铅中毒发病作出预测。预测指出,目前该厂灌粉工种铅尘浓度比往年大有提高,今后将有大量工人发生铅中毒。

 
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