理学 >>> 数学 信息科学与系统科学 物理学 化学 天文学 地球科学总论 大气科学 地球物理学 地理学 地质学 水文学 海洋科学 生物学 科学技术史
搜索结果: 1-15 共查到理学 removal相关记录90条 . 查询时间(0.062 秒)
We review current knowledge about the annual cycle of transport of nitrogen oxides to, and removal from, the polar stratosphere, with particular attention to Antarctica where the annual winter denitr...
Milking center wastewater (MCW) has a relatively low ratio of carbon to nitrogen (C/N ratio), which should be separately managed from livestock manure due to the negative impacts of manure nutrients a...
In this research, 1-butyl-pyridinium tetrafluoroborate ([C4Py][BF4]-) was prepared by ion exchange method and was characterized by 1H-NMR, 13C-NMR, and FT-IR techniques. The synthesized ionic liquid w...
Adsorption of Cr(VI) by biogenic schwertmannite in a continuous flow column was studied. The effects of flow rates, initial pH values, dosages of schwertmannite, and accompanying anions on Cr(VI) ads...
The Yellow River of China runs mainly through an arid and semiarid midlatitude region that has experienced substantial anthropogenic and climatic change. This area includes the carbonate-rich Loess P...
Palygorskite supported manganese oxide catalysts (MnOx/PG) were prepared for lower temperature selective catalytic reduction (SCR) of NOx by NH3. Catalyst’s SCR activity was estimated at varied temper...
Palygorskite is widely used as industrial adsorbent and also potential for flue gas desulfurization by adsorption of SO2. The effect of thermal treatment on Palygorskite’s structural properties and it...
The attapulgite powders modified by silicane coupling agent are loaded onto the surface of nylon 6 nanofibers by immersing the nylon 6 electrospun fiber nonwoven in a bath containing modified attapulg...
Attapulgite clay (ATP) was modified by Silane coupling agent (KH-570) to creat more efficient sites for Cu(II) adsorption. The natural and KH-570 modified attapulgite clay were characterized by Fourie...
Raw palygorskite was modified by the addition of selected surfactants, viz. hexadecyltrimethylammonium bromide (CTAB), cetylpyridinium bromide (CPB) and octadecyldimethylbenzyl ammonium chloride (ODBA...
Abstract: We show, for any positive integer k, that there exists a graph in which any equitable partition of its vertices into k parts has at least ck^2/\log^* k pairs of parts which are not \epsilon-...
Abstract: We consider the Nelson model with variable coefficients. Nelson models with variable coefficients arise when one replaces in the usual Nelson model the flat Minkowski metric by a static metr...
The study was undertaken to evaluate the feasibility of oxidized multiwalled carbon nanotube (oxidized MWCNT) for the removal of radiocobalt (60Co) from aqueous solutions. The oxygen functional groups...
Abstract: We study the following problem - How many arbitrary edges can be removed from a complete geometric graph with 2n vertices such that the resulting graph always contains a perfect non-crossing...
The removing zinc cation from aqueous solution by Ca-bentonite and Na-exchanged bentonite was studied. The factors such as the initial concentration of Zn2+, the liquid-to-solid ratio, pH, adsorption ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...