搜索结果: 1-15 共查到“理学 removal”相关记录90条 . 查询时间(0.138 秒)
On the cryogenic removal of NOy from the Antarctic polar stratosphere
polar stratosphere reactive nitrogen heterogeneous chemistry tracer-tracer correlations
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2015/9/16
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...
Nitrogen Removal from Milking Center Wastewater via Simultaneous Nitrification and Denitrification Using a Biofilm Filtration Reactor
Nitrogen Loading Rate Simultaneous Nitrification and Denitrification
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2016/5/18
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...
N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions
extraction desulfurization ionic liquids dibenzothiophene
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2015/3/11
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...
Cr(VI) removal by biogenic schwertmannite in continuous flow column
removal schwertmannite adsorption column tri
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2017/4/10
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...
Removal of dissolved inorganic carbon in the Yellow River Estuary
dissolved inorganic carbon Yellow River Estuary
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2014/4/2
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...
A Novel MnOx Supported Palygorskite SCR Catalyst for Lower Temperature NO Removal from Flue Gases
Ammonia TPD Low-Temperature SCR Manganese Oxides Palygorskite
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2011/11/14
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...
The Effect of Thermal Treatment on the Structure of Palygorskite Used for Flue Gas SO2 Removal
Palygorskite SO2 Thermal Treatment
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2011/11/14
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...
Removal of Cd(II) from Aqueous Solution by Electrospun Nylon 6 Nanofibrous Nonwoven Containing Attapulgite
Adsorption Attapulgite Electrospun Fiber Nylon 6
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2011/11/15
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...
Removal of Cu(II) Ions from Aqueous Solution by KH-570 Modified Attapulgite Clay
Adsorption Copper Ion Modified Attapulgite Clay (ATP) by KH-570
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2011/11/15
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...
Adsorptive Removal of 2,6-Dichlorophenol from Aqueous Solution by Surfactant-modified Palygorskite Sorbents: Equilibrium, Kinetics and Thermodynamics
Chemistry Tribology Adsorption and Surface Science Palygorskite Sorbents
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2011/11/8
Raw palygorskite was modified by the addition of selected surfactants, viz. hexadecyltrimethylammonium bromide (CTAB), cetylpyridinium bromide (CPB) and octadecyldimethylbenzyl ammonium chloride (ODBA...
Bounds for graph regularity and removal lemmas
graph regularity removal lemmas Combinatorics
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2011/9/20
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-...
Removal of UV cutoff for the Nelson model with variable coefficients
Nelson model static space-times ground state ultraviolet limit
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2011/9/15
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...
Removal of radiocobalt from aqueous solution by oxidized MWCNT
Removal Co(II) Oxidized MWCNT Sorption
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2011/11/11
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...
Edge-Removal and Non-Crossing Perfect Matchings
Edge-Removal Non-Crossing Matchings Combinatorics Probability
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2011/9/5
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 Factors on Removal of Zinc Cation from Aqueous Solution by Bentonite
Bentonite Zn2+ Adsorption
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2013/3/8
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 ...