1) organic volatile impurities
有机挥发性杂质
1.
Objective To establish a method for the determination of organic volatile impurities in cellulose acetate by headspace gas chromatography(GC).
目的分析乙酸纤维素中有机挥发性杂质。
2) volatile organic matter
挥发性有机物质
3) volatile impurity
挥发性杂质
4) 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。
5) 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。
补充资料：双性杂质（amphotericimpurity）
双性杂质（amphotericimpurity）
有些杂质在同一半导体中既可起施主作用，又可起受主作用，这种杂质称为双性杂质。杂质的双性行为的起因可以不同。一种情况是双性杂质在晶格中只占据一种位置，但能给出或得到电子而起施主或受主作用，对于这种情况一般受主能级在施主能级之上，因为只有杂质尚未给出电子时才谈得上接受电子。另一种情况是杂质在晶格中占据不同的位置，施主和受主分别由所占据的不同的晶格位置决定。
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