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结合密度泛函理论框架内的周期性平板模型,运用第一性原理计算方法研究了CO2在δ-Pu(100)表面的吸附行为.结果 表明,CO2分子以C端......
Effect of Compounding of Sodium Tripolyphosphate and Super Plasticizers on the Hydration of α-calciu
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The friction and wear characteristics of lauroyl glutamine,lauroyl glycine and lauroyl alanine,used as green additives i......
Mesoporous TiO2 nanofibers have been synthesized by a new method that combines sol-gel chemistry and electrospinning tec......
Analysis of nitrobenzene compounds in water and soil samples by graphene composite-based solid-phase
In this work, solid-phase microextraction coupled with gas chromatography–mass spectrometry was developed to determine ......
Numerical Study of the Interplay of Monomer-Surface Electrostatic and Non-electrostatic Interactions
The adsorption of weak polybase on oppositely charged planar surfaces has been investigated numerically by using the sel......
Water effect on band alignment of GaP: A theoretical insight into pyridinium catalyzed CO_2 reductio
GaP has been shown to have good photo-catalytic activity in pyridinium catalyzed CO_2 reduction. The photo-excited elect......
In this paper, benzene adsorption isotherm and their hysteresis on two important local diatomites were determined at 25......
In theory, from the high temperature and pressure during the coal generating gas to the present low temperature and pres......
Transformations of di-n-butyl phthalate(DBP)and di(2-ethylhexyl)phthalate(DEHP)have been investigated in anaerobic/anoxi......
A thermostatic incubation experiment was carried out to estimate the effects of flooding periods, stalk application and......
Atomic force microscopy is used to estimate and compare the surface morphologyof hydrogenated and hydrogen-free diamond......
Nanometer calcium carbonate was modified with Frechet type polyether dendrons bearing a COOH group at thefocal point by......
The sorption of AuCl_4~-, AuCl_2~- and Au(S_2O_3)_2~(3-) on δ-MnO_2 was investigated at pH2—11.6, 0.01 mol/L and 0.1 ......
A natural montmorillonite, produced from Laiyang of Shandong Province, was pillared by Tipolyeations to form Ti-pillared......
Aqueous solution of p-nitrophenol (PNP) was treated continuously by microwave assisted wet oxidation while flowing thro......
Catalytic elimination of formaldehyde(HCHO) was investigated over Cu-Al_2O_3 catalyst at room temperature. The results i......
The chemical structures of four types of superplasticizers(SPs)and their adsorptive behaviors onβ-C 2 S were investigat......
Direct electrochemistry of glucose oxidase on the hydroxyapatite/Nafion composite film modified elec
A novel glucose biosensor was constructed by immobilizing the glucose oxidase(GOD) on a hydroxyapatite(HAp)/Nafion compo......
The density functional theory (DFT) and periodic slab model were used to get information concerning the adsorption of HC......
Graphite intercalation compounds(GIC) were tested as an experimental model for studying the electronic effect of carbon ......
合成聚合物分离膜被广泛应用于水处理、蛋白质分离和医疗保健等领域.然而,传统聚合物膜面临着重大的挑战,例如渗透性和选择性之间......
Whole-Aperture Pore Structure Characterization and Its Effect on Gas Content of the Longmaxi Formati
In recent years,the pore structure of shale is studied through many qualitative and quantitative techniques.Quantitative......
将碱改性HZSM-5沸石负载活性组分AgNO_3的吸附剂应用于乙烯乙烷吸附分离。通过N2吸附-脱附、傅里叶红外(FI-IR)、X射线衍射(XRD)、......
The preparation process of the CO gas sensor used at normal temperature is presented.The electric conductance of this ty......
Adsorption of sulfate in aqueous solutions by organo-nano-clay:Adsorption equilibrium and kinetic st
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Azo dyes have received considerable attention because of their association with various human health problems.The aim of......
以木薯茎秆为生物质原料,利用无轴螺旋连续热解装置制备木薯茎秆炭,针对原料及热解炭的组织结构、酸碱性质、表面官能团属性和表面......
A method was proposed for removing zirconium (Zr) from hydrous titanium dioxide (HTD) by the NaF solution. The effects o......
Hide collagen of animals is used to prepare adsorbent material and its adsorption properties to tannins are investigated......
研究D201树脂吸附钒(Ⅴ)的过程.结果表明,pH值对D201树脂吸附钒的影响很大,与钒在溶液中的赋存状态有关.测得吸附热力学参数△H=8.......
以硝酸镍为镍源，水和乙醇混合液为溶剂，P123为软模板．采用前驱体路线和溶剂热法合成了介孔片层组成的具有特殊形貌的氧化镍微球，同时讨......
比较了在表观流速250 cm/h、沉降高度15 cm时,扩张床装置中25 mm规模的分布器种类(包括锥形和摇摆式)对流体动力学性能的影响。结......
以竹屑为原料,利用磷酸活化法成功制备了具有高吸附性能的活性炭。通过正交实验,分别考察了磷酸浓度、炭化温度、炭化时间、活化温......
为探究辣木籽壳生物炭对Cu^(2+)的吸附性能,以辣木籽壳为原料,1000℃热解、KOH改性制备生物炭,采用平衡吸附法研究改性前后生物炭......
In order to separate Zr(IV) and Hf(IV) in acidic solution,several kinds of silica-based macroporous adsorbents were synt......
目的:考察低取代羟丙纤维素作为吸附层析介质在水溶液中富集吸附茶黄素的热动力学。方法:将低取代羟丙纤维素与茶黄素溶液按一定的......
通过Monte Carlo 模拟方法,研究了高分子多链在溶液中与具有吸引能力的表面的吸附特性、构象性质以及高分子多链在表面吸附过程中......
土库曼斯坦一大型高含硫天然气处理厂共有4列装置,设计每年可生产优质产品天然气50×108 m3。该厂原料天然气中H2S含量为2.942......
脱脂棉在碱存在下与环硫氯丙烷发生醚化反应,合成了一种环境功能材料——聚硫醚纤维素（PTCC）。考察了溶液酸度对吸附容量的影响并研......
采用搅拌球磨机对木薯淀粉进行机械活化，以活化60 min的木薯淀粉为原料合成交联羧甲基淀粉，考察交联羧甲基淀粉对Cr3＋的静态吸附行为......
测定了竹炭对微污染水源水中CODMn，UV254，UV410的去除效果，研究了竹炭粒径、竹炭用量、吸附时间、溶液pH值对竹炭吸附特性的影响，并由......
从研究应用角度出发，阐述了近年来国内外活性炭材料改性在烟气脱硫领域中的研究趋向及应用成果，包括金属离子或金属化合物的修饰、化......
采用3种不同直径的多壁碳纳米管（MWNTs）对1，2，3-三氯苯（TCB）进行吸附实验．结果表明，随MWNTs直径减小，1，2，3-三氯苯吸附量增加．实验中发现MWNT（L-......
以壳聚糖、多壁碳纳米管和磁性γ-Fe2O3粒子为原料,通过微乳化法制备出磁性壳聚糖/多壁碳纳米管复合吸附剂。运用XRD和VSM等手段对......
赤铁矿法除铁工艺因渣含铁高,渣量小,无二次污染等特点备受国内外关注。硫含量是影响赤铁矿品质并实现其资源化利用的重要因素之一......
研究了稻草、紫云英和猪粪的水溶性分解产物对铜和镉的沉淀作用及其在红壤和潮土上的吸附影响。结果表明三种水溶性分解产物对铜镉......
将K2CO3和TiO2通过高温固相反应制得K2Ti4O9,经酸化处理后得到H2Ti4O9,用正十二胺乙醇溶液与之反应,获得正十二胺柱撑的层状化合物......
采用量子化学的密度泛函理论方法，探讨了苯分子在CuCl（111）表面上不同覆盖度下不同吸附位上的平行吸附行为。计算结果表明，随覆盖度的......
