1) enrichment factor(VEF)
挥发性有机物富集指数(VEF)
2) volatile organic compounds(VOCs)
挥发性有机物
1.
To remove volatile organic compounds(VOCs) by gliding arc discharge plasma technology,the effect of plasma reactor configuration parameters(electrode gap distance,electrode material,electrode thickness,oxygen content,water content,gas temperature and inlet VOCs concentration) on the toluene removal efficiencies was experimentally researched.
为了研究滑动弧放电等离子体对挥发性有机物的净化效果,选取甲苯作为代表物质进行实验研究,观察了电极间隔、电极材料、电极厚度、氧气含量、水汽含量、气流温度、污染物质量浓度等参数对去除率的影响。
2.
This paper investigated the characteristics of volatile organic compounds(VOCs)in the atmosphere of the surrounding area of a gas station in Jinan city,and analyzed the effect on the surrounding atmosphere.
通过研究济南市市区某加油站邻近空气中挥发性有机物浓度的分布情形,分析加油站作业过程对周围环境空气的影响。
3.
A analytic method of purge and trap concentration with gas chromatography and mass spectrometry(GC-MS) was established for determination of 13 kinds of volatile organic compounds(VOCs) in drinking water.
建立了吹扫捕集与气相色谱/质谱(GC-MS)联用测定饮用水中13种挥发性有机物的测定方法。
3) TVOCs
总挥发性有机物
1.
The TVOCs and odor unit(OU) removal efficiency could be kept above 70% when the gas velocity is (1 274)(m/h) and liquid-gas ratio is about 1(L/m.
在空塔气速为1274 m/h,液气比为1 L/m3左右时,总挥发性有机物(TVOCs)的去除率可保持在70%以上,而臭气浓度的去除率也大于70%,设备压降为2150 Pa左右,总挥发性有机物(以异丁烯计)的消除能力可达130 g/(m3。
4) VOCs
挥发性有机物
1.
Formation and Control of Volatile Organic Compounds (VOCs) during Pulping;
制浆过程中挥发性有机物的产生及控制
2.
A Case Study of VOCs Concentrations and Their Variability Caused by Meteorological Parameters in Beijing During the 2004 National Holidays;
2004年国庆假期北京大气挥发性有机物浓度监测及气象条件对其浓度变化影响研究
3.
A Qualitative Analysis of Volatile Organic Compounds(VOCs) in Packaging Materials of Cigarettes;
烟用包装材料中挥发性有机物VOCs的定性分析
5) TVOC
总挥发性有机物
1.
Analyzing about the TVOC Pollution Situation and Study on the TVOC Changement Regularity of Indoor Air in Jiangxi Province;
江西省室内空气总挥发性有机物污染现状分析及变化规律研究
2.
Analysis of Building Indoor TVOC Compositions and Its Impacts on Indoor Air Quality;
建筑室内总挥发性有机物成分分析及其对室内空气质量影响
3.
Determination of indoor air TVOC;
室内空气中总挥发性有机物(TVOC)分析方法的研究
6) volatile organic compound
挥发性有机物
1.
Testing of volatile organic compounds in a newly decorated office building;
新装修办公楼室内挥发性有机物的测试研究
2.
The correlation between physicochemical properties of volatile organic compounds and saturation adsorption capacity of activated carbon was studied through the experiments of adsorbing toluene,p-xylene,methyl acetate,ethyl acetate,ethanol and propylalcohol on granular activated carbon kc-4.
0型颗粒活性炭对甲苯、对二甲苯、乙酸甲酯、乙酸乙酯、乙醇、正丙醇进行吸附实验,研究挥发性有机物的物化性质与活性炭饱和吸附量之间的相关性。
3.
Concentrations of volatile organic compounds (VOCs) in marine sediments were determined by using P&T-GC-MS technique, upon optimization of the purging temperature.
采用吹扫捕集-气相色谱-质谱(P&T-GC-MS)法测定了海洋沉积物中挥发性有机物(VOCs)的含量,优化了吹扫条件。
补充资料：迁移效率指数、偏好指数和差别指数
迁移效率指数、偏好指数和差别指数
迁移效率指数、偏好指数和差别指数迁移效率指数是用于测定两地间人口迁移效率的指标。它是净迁移对总迁移之比。计算公式为:EIM一摇寿纂拼又‘。。上式中，}人么夕一材方}为i、]两地净迁移人数;从少+材户为i、]两地总迁移人数;El入了为迁移效率指数。 EIM的取值范围为。至100，如某一地区的值越大，反映迁移的的影响也越大。如果计算i地区与其他一切地区之间的人口迁移效率指数EIM厂，则: }艺材。一芝Mj、}EIM汀艺。+乏M，(j笋i) 迁移偏好指数是从一个地区向另一地区的实际迁移人数与期望迁移人数之比。计算公式为:____M.___材尸2行一:一二子一一不石一二，么M“ 了厂‘.厂‘、八 }二不十二六二1 、厂厂7上式中，M“为从i地迁到j地的实际迁移量;艺材。为总的人口迁移量;尸为总人口;M尸I，j为迁移偏好指数。通过计算迁移偏好指数，可以反映各地区的相对引力。 迁移差别指数是反映具有某种特征的迁移人口与非迁移人口区别的指数。例如，专业技术人员的人数所占比重，各种文化程度人数所占比重等，以便研究人才流失和其他间题。计算公式为:M‘从IMD、一翌不丝xl。。 .义V‘ N上式中，M为迁移人数;M，为具有i特征的迁移人数;N为非迁移人数;N‘为具有i特征的非迁移人数;了八了D、为迁移差别指数。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条