摘要：
This paper Introduces a simple and reliable method to connect an ordinary twisted pair RS-232 up to 2048 devices and transmit the communication data more than 10 kilometers by using ZLGCAN interface card, CAN232MB converters and other equipment. The virtual serial port server makes use of CAN-bus network for data communications, guaranteeing the reliability of communic-ation, improving the RS-232 transmission distance, and simplifying the wiring process. Meanwhile user’s operation of the virtual serial port and a standard PC are compatible with the basic serial port operation. However, if there is a large number of continuous transmission of data to the case, the ac-tual serial data transfer rates is determined by the number of virtual serial port.
作者机构：
[Song, Juanjuan] Hunan City Univ, Dept Chem & Environm Engn, Yiyang 413000, Hunan, Peoples R China.;[Tu, Li] Hunan City Univ, Dept Comp Sci, Yiyang 413000, Hunan, Peoples R China.
通讯机构：
[Song, Juanjuan] H;Hunan City Univ, Dept Chem & Environm Engn, Yiyang 413000, Hunan, Peoples R China.
会议名称：
2011 International Conference on Future Materials Engineering and Industry Application(ICFMEIA 2011)
会议时间：
2011-01-01
会议地点：
Bali Island, Indonesia
会议主办单位：
[Song, Juanjuan] Hunan City Univ, Dept Chem & Environm Engn, Yiyang 413000, Hunan, Peoples R China.^[Tu, Li] Hunan City Univ, Dept Comp Sci, Yiyang 413000, Hunan, Peoples R China.
会议论文集名称：
Advanced Materials Research
关键词：
Modified fly ash;Microwave;Radiation;Cu2+
摘要：
The comprehensive utilization of fly ash mainly concentrated is in construction engineering channels, road engineering, it used to deal with waste water is full of hope. As this, it can achieve the pu
摘要：
A novel water-compatible hypercrosslinked resin modified by p-aminophenol was synthesized with chloromethylated polystyrene and p-aminophenol by Friedel-Crafts reaction. The objective of this work was to study the adsorption performances for salicylic acid onto p-aminophenol resin. The results showed that the adsorption capacity of salicylic acid onto p-aminophenol resin was superior to XAD-4 resin. It is seen that the maximum adsorption capacity is observed at pH of 3.0. It was found the adsorption dynamics obeyed the pseudo-first-order rate equation and the intra-particle diffusion was the rate-limiting step. The maximum adsorption capacity of salicylic acid for p-aminophenol resin was measured to be 283.7 mg/g with the equilibrium concentration at 404.6mg/L. The micropore structure, the pore diameter of p-aminophenol resin, the hydrogen bond between p-aminophenol resin and salicylic acid bring the larger adsorption capacity.
作者机构：
[龙立平; 王姣亮] College of Chemistry and Environmental Engineering, Hunan City University, Yiyang 413000, China;[徐满才] College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China;[肖谷清] College of Chemistry and Environmental Engineering, Hunan City University, Yiyang 413000, China<&wdkj&>College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
通讯机构：
[Xiao, G.] C;College of Chemistry and Environmental Engineering, Hunan City University, China
作者机构：
[刘文英; 王威燕; 胡韬; 杨运泉; 王锋; 罗和安] School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China;[王锋] Department of Chemical and Environment Engineering, Hunan City University, Yiyang 413000, China
期刊：
SCIENCE IN CHINA SERIES B-CHEMISTRY,2010年53(5):1095-1101 ISSN：1006-9291
通讯作者：
Shan, Z.(zxshan@whu.edu.cn)
作者机构：
[Hu XiaoYun; Hu Lin; Shan ZiXing] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China.;[Luo XinXiang] Hunan City Univ, Dept Chem & Environm Engn, Yiyang 413049, Peoples R China.
通讯机构：
Department of Chemistry, Wuhan University, China
关键词：
SOLVENT-FREE;REACTION;solid;base;mixture;catalysis;CHEMOSELECTIVITY;aldehyde-ketone;REACTION;solid base mixture catalysis;chemoselectivity;aldehyde-ketone reaction
摘要：
Solvent-free reactions of aromatic aldehydes with three representative ketones,including acetophenone,acetone and cyclohexanone,have been examined under the catalysis of a low-cost inorganic base system consisting of NaOH and K2CO3.It was found that the chemoselectivity of the reactions is in close relationship with the composition of the reactants and the doublecomponent catalyst.Under the optimized experimental conditions,1,2,3,4,5-pentasubstituted cyclohexanols,α,β-unsaturated ketones and Claisen-Schmidt bicondensation products were obtained in high yields.Two Kostanecki’s triketones were separated,The composition and structure were affirmed by X-ray crystallographic analysis.
摘要：
I2S (Inter-IC Sound Bus) is one of the general audio buses applied in various industrial or embedded systems. It only processes the audio data, while other signals like various codes and control signals are transmitted individually. This paper presents an approach how to construct an embedded audio system using the I2S bus to connect relevant supporting code chip and decode chip. This system can reduce the consumption of system resources drastically, therefore fluent WAV broadcast can be guaranteed. Moreover, the familiar media files, such as MPEG1, MPEG2, MP3, MPEG4 can be played through adding its decoder. The ARM chipset of the LPC2300 series is applied in this system, therefore, system's reliability can be improved. This method can be wiedly used in vehicle- borne, ship-borne embedded flash players and portable media players.
作者机构：
[胡拥军] Department of Chemistry and Environmental Engineering, Hunan City University, Yiyang 413000, China;[李义兵; 胡拥军; 陈白珍] School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China
通讯机构：
[Hu, Y.] D;Department of Chemistry and Environmental Engineering, Hunan City University, China
摘要：
A novel carbazole functionalized bis-β-diketone type organic ligand, 1,1′-(2,6-bispyridyl)bis-3-(9-ethylcarbazole-3-yl)-1,3-propanedione (H2L) and its corresponding lanthanide complexes Eu2(L)3and Tb2(L)3 were successfully prepared. The ligand and complexes were characterized in detail based on FT-IR spectra, 1H NMR and elemental analysis. The observed UV-Vis absorption and photoluminescence properties of the complexes were investigated, it shows that the Eu(III) and Tb(III) ions can be sensitized efficiently by the ligand (H2L) to some extent, in particular, the complex Tb2(L)3 exhibits a more excellent luminescence property than the Eu(III) complex. Meanwhile, the introduction of the carbazole moiety can enlarge the π-conjugated system of the ligand and enhance the luminescent intensity of the complexes. The results show that the complexes would be used as excellent luminescent materials.
作者机构：
[杨运泉; 罗和安; Zeng, Yong-Lin; 刘文英; 段正康] College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China;Department of Chemistry and Environmental Engineering, Hunan City University, Yiyang 413049, China
通讯机构：
College of Chemical Engineering, Xiangtan University, China
作者机构：
[李晓如; 邹桥; 谭斌斌; 李国辉] School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;[李国辉] Department of Chemistry and Environment Engineering, Hunan City College, Yiyang 413000, China
通讯机构：
School of Chemistry and Chemical Engineering, Central South University, China
摘要：
A new method for protein separation by the gold nanotubules membrane based on the immunoreaction between antibody and antigen was described. The gold nanotubules can be electrolessly plated within the pores of polycarbonate nanoporous filtration membranes. The capture antibody, bovine IgG, was modified onto the inner wall of An nanotubules by glutaraldehyde interlinking method. The transport behaviour of detecting antibody through the nanotubules modified with capture antibody was investigated. When the diameter of the nanotubule was much larger than the size of the antibodies, there was no obvious difference between the transport rates for the proteins studied here through nanotubules. When the diameter of the nanotubule was ca. 30 nm, the transport of the goat anti-cat antibody through the nanotubules membrane was slow. Compared with goat anti-cat IgG, goat anti-bovine antibody transported through nanotubules membrane faster due to the immunoreaction between goat anti-bovine antibody and bovine IgG modified onto the pores of the membrane and the separation efficiency was 5.6. The results indicated that the gold nanotubule membranes showed good separating capability for protein without the loss of activity of the antibodies. (c) 2007 Published by Elsevier B.V.
摘要：
A polymer electrolyte based on poly（vinylidene） fluoride-hexafluoropropylene was prepared by evaporating the solvent of dimethyl formamide, and non-woven fabric was used to reinforce the mechanical strength of polymer electrolyte and maintain a good interfacial property between the polymer electrolyte and electrodes. Polymer lithium batteries were assembled by using LiCoO2 as cathode material and lithium foil as anode material. Scanning electron microscopy, alternating current impedance, linear sweep voltammetry and charge-discharge tests were used to study the properties of polymer membrane and polymer Li-ion batteries. The results show that the technics of preparing polymer electrolyte by directly evaporating solvent is simple. The polymer membrane has rich micro-porous structure on both sides and exhibits 280% uptake of electrolyte solution. The electrochemical stability window of this polymer electrolyte is about 5.5 V, and its ionic conductivity at room temperature reaches 0.151 S/m. The polymer lithium battery displays an initial discharge capacity of 138 mA·h/g and discharge plateau of about 3.9 V at 0.2 current rate. After 30 cycles, its loss of discharge capacity is only 2%. When the battery discharges at 0.5 current rate, the voltage plateau is still 3.7 V. The discharge capacities of 0.5 and 1.0 current rates are 96% and 93% of that of 0.1 current rate, respectively.
作者机构：
[兰正刚; 李国辉; 李晓如] School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;[李国辉] Department of Chemistry, Hunan City College, Yiyang 413000, China
通讯机构：
School of Chemistry and Chemical Engineering, Central South University, China
