Maximum allowable concentration of pollutants in atmosphere for protection crops GB9137-1988保护农作物的大气污染物最高允许浓度
According to the National Soil Environmental Quality Standard of China for non-pollution vegetables, the Hg concentration in48% of the soil samples was above its maximum allowable concentration. 公路剖面土壤48%样品汞含量超过了国家无公害蔬菜基地土壤汞含量标准。
The cost for the deposition of the waste depends also upon the volume of the storage cavities and the maximum allowable radioactive concentration of the waste. 废料处理费用还取决于贮存空穴的容积和允许的废料最大放射性浓度。
Daily average maximum allowable concentration 日平均最高容许浓度
The results show that the contents in 8 houses exceed the maximum allowable concentration of the formaldehyde ( 0.10 mg/ m~ 3), which is prescribed in the quality criterion of indoor air GB/ T18883-2002. 结果表明,有8户住宅超过了我国室内空气质量标准GB/T18883-2002规定的甲醛最高容许质量浓度0.10mg/m3。
The results show that 10mg/ m3 is still feasible, to be used as the maximum allowable concentration of coal dust in our country. 结果认为,仍以10mg/m~3作为我国煤尘最高容许浓度标准是合适的。用三种方法在各煤矿所得的结果不同,讨论了产生这种差异的原因。
An investigation of maximum allowable concentration of sulfolane in surface water 环丁砜在地面水中最高容许浓度的研究
Conclusion Refered to the foreign data related allowable limited values, associational statutes, suggestion concentration and environmental monitoring reports, we suggest that the maximum allowable average ( per day) concentration of p-dichlorobenzene in indoor air should be 1.0 mg/ m3. 结论参照国外对二氯苯的容许限值及有关标准、法规、建议及室内外环境数据等相关资料进行综合分析研究,提出室内空气中对二氯苯日平均最高容许浓度为1.0mg/m3。
Studies of Maximum Allowable Concentration of Carbon Tetrachloride in Source of Drinking-water 水源水中四氯化碳最高容许浓度的研究
About the revision of maximum allowable concentration of cadmium in air of the workshop 车间空气中镉最高容许浓度的修改意见
Some problems in the enactment of maximum allowable concentration ( MAC) of dust 对制订粉尘容许浓度中几个问题的探讨
The maximum allowable doping concentration of each kind of ions for obtaining transparent and vitreous materials were also determined. 也确定了为得到透明玻璃态物质各种离子的最大允许掺杂浓度。
Conclusion The recommended maximum allowable concentration is 3mg/ m, the TWA is 3mg/ m 8h. 结论建议氰氨化钙的最高容许浓度为3mg/m,8h时间加权平均浓度也是3mg/m。
A Study on Maximum Allowable Concentration of Lignite Dust 褐煤尘最高容许浓度的研究
From the view point of mutagenicity, the maximum allowable concentration of fluoride in drinking water ( 1 mg/ 1) as set in our country would be safe and harmless. 作者结合其他实验结果分析,认为我国目前饮水卫生标准中的氟化物(以F计)浓度(1mg/l),从诱变性来看,属安全无害。
Study on maximum allowable concentration of dust in a wolfram mine and prediction of the occur-rence and development of silicosis 钨矿粉尘容许浓度及矽肺发生发展动向预测的研究
Assessment of maximum allowable concentration ( MAC) of dust in field of railway tunnelling 铁路隧道工现场粉尘最高容许浓度的估算
Based on the thermochemical test, the maximum allowable concentration of salt in boiler water that ensures qualified steam of the unit, is determined. 由热化学试验确定了保证机组蒸汽品质合格的炉水极限含盐量;