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- Observational Result of Dust Emission Rate over Sand Surface of Gobi Desert During Dust Storm 沙尘暴期间戈壁沙地起沙率的观测结果
- Dust emission rate 起沙通量
- Dust emission inventory of few open source can be evaluated now. 但目前只有少数的开放源类起尘量可以进行估算。
- It provided the motivation for controlling smoke and dust emission from industrial plant. 这为控制工厂企业散发的烟尘起了促进作用。
- The purpose of CCHS is to reduce the SO 2 and dust emission and satisfy the EPS claim. CCHS技术的目的是降低二氧化硫、烟尘的污染,达到环保标准。
- Land melioration, such as a change in the land surface type from desert or semi-desert to grassland, restrains the dust emission significantly. 中国西北沙漠-半沙漠区地表的改善,可引起整个中国北方至蒙古国的大气粉尘含量减少,使大气环境明显改善。
- A new method of measuring the ratio of thermal emission rate to the photoexcitation constant is presented. 提出了在考虑吸收系数强度特性条件下一种测量热激发速率与光激发常数比值的新方法。
- The low dust collecting efficiency of ESP system of clinker kiln results in that dust emission concentration exceeds permissible standard. 氧化铝熟料窑电收尘系统收尘效率低,导致烟尘排放浓度超标。
- The core element of multifunction lining lies in the blackbody, with emission rate 0.96. 多功能炉衬组成的核心是工业标准黑体;其发射率为0.;96。
- The false-color view highlights a component of dust emission from complex carbon molecules called polycyclic aromatic hydrocarbons or PAHs. 这张假色图像突出了尘埃的一种成分,它从一种被称为多环芳烃或多环芳香烃化合物组成的合成物中发射出来。
- The average emission rate of N2O under ZTSR was lower 42.1% and 16.7% than CTSR and RTSR respectively. 免耕还田N2O排放速率平均值分别比翻耕还田和旋耕还田降低42.;1%25和16
- The average emission rate under ZTSR was lower 24.3% and 27% than CTSR and RTSR, respectively. 免耕还田CH4排放速率平均值比翻耕还田和旋耕还田分别降低了24.;3%25和27
- The results indicated that: The CO2 emission rate had significant diel fluctuation and seasonal dynamics. 其结果表明:CO2释放速率有明显的日变化和季节动态。
- It make use of sealing device for the hopper to prevent dust emission and material leakage. The dust and cross contamination are efficiently controlled. 料桶配置密封装置,锁紧可靠,工作时不扬尘,不泄漏,有效的控制了粉尘和交叉污染。
- The dust emission of a metallurgic plant in Shanghai, as an example with 13 sets of smelting furnace and large amounts of discharged pollutant, was studied in this paper. 以上海市某冶金企业为例,该厂有正常运行的冶炼炉13座,每年向大气中排放大量颗粒污染物。
- Although diesel engine's emission rate of HC and CO is excelled gasoline engine, its' NOX emission is worse than the latter. 虽然柴油机的HC、O的排放比和排放耐久性都优于汽油机,但nox排放量却不如汽油机。
- The results indicate that the emission rate of fluorine increases with a decrease in water content and degree of neutralization. 结果表明,氟的逸出率随含水率和中和度的减小而增大。
- Blockboard gave the highest formaldehyde emission level in large cham ber test.Formaldehyde emission rate of the wood-bas... 大室法条件下的人造板甲醛散发速率呈指数函数规律衰减,给出了大室法条件下人造板甲醛散发量水平的预测公式。
- It also provides for the control of activities that might lead to asbestos dust emissions. 该条例也管制可能产生石棉尘屑的活动。
- NSP-enzymes decrease the humidity of the droppings.As a result the litter remains drier and the ammonia emission rate in the production facilities is greatly reduced. 实际上,非淀粉多糖酶降低了粪便湿度,因此家禽饲养舍更加干燥,氨气排放率也大大减少。