Communication

• Influence of Water on Adsorption Properties of Lithium Exchanged Low Silica X Zeolite
• Jiang Hua;Zhao Bi-Ying;Xie You-Chang
• This paper shows quantitatively the consequence of adsorbed water on N2 or O2 adsorbed on LiLSX lithium exchanged low si...
• 2002, 18 (07): 577-580. DOI: 10.3866/PKU.WHXB20020701

• 5536Abstract/Metrics
• 3676 PDF(563KB)

• Single Crystal Silicon Surface as a Novel Substrate of Gene-chip
• Sun Bin;Wu Wei;Hong Lian;Zhao Xin-Sheng
• Single strand oligodeoxynucleotide was covalently attached to the alkyl modified silicon (111) surface through ester con...
• 2002, 18 (07): 581-584. DOI: 10.3866/PKU.WHXB20020702

• 3704Abstract/Metrics
• 3315 PDF(1731KB)

ARTICLE

• Electronic Spectra of Polyynes HC 2nH
• Zhang Cong-Jie;Cao Ze-Xing;Wu Hai-Shun;Xu Xin;Zhang Qian-Er
• Density functional theory with the B3LYP functional is used to determine the geometries and vibrational frequencies of H...
• 2002, 18 (07): 585-589. DOI: 10.3866/PKU.WHXB20020703

• 3878Abstract/Metrics
• 3168 PDF(1492KB)

• Thermokinetic Study on the Growth Metabolism of Ura-auxotrophic Mutant of
• Gao Zhen-Ting;Liu Yi;Huang Yu-Ping;Shen Ping;Qu Song-Sheng
• By using microcalorimetry method,we have studied ura-auxotrophic mutant of saccharomyces cerevisiae AY,and 3 strains tra...
• 2002, 18 (07): 590-594. DOI: 10.3866/PKU.WHXB20020704

• 4145Abstract/Metrics
• 3074 PDF(1668KB)

• Volumetric Properties of Glycine in Aqueous Urea,Monomethylurea,Dimethylurea Solutions 
• Shao Shuang;Lin Xiao-Mei;Yang Fang-Ping;Hu Xin-Gen;Lin Rui-Sen
• Densities of glycine in various aqueous urea,monomethylurea(MMU),dimethylurea (DMU) solutions have been measured at 298....
• 2002, 18 (07): 595-599. DOI: 10.3866/PKU.WHXB20020705

• 3601Abstract/Metrics
• 3455 PDF(1430KB)

• A QSPR Study on n-Octanol/Water Partition Coefficient of Disubstituted Benzenes:Application of Theoretical Descriptors Derived from Electrostatic Potentials
• Zhao Wen-Na;Zou Jian-Wei;Shang Zhi-Cai;Guo Ming;Yu Qing-Sen
• Geometrical optimization and electrostatic potential calculations have been performed at HF/6-31G level for 92 disubsti...
• 2002, 18 (07): 600-603. DOI: 10.3866/PKU.WHXB20020706

• 3844Abstract/Metrics
• 3247 PDF(1369KB)

• Inclusion Behaviors of Naphthalenesulfonate with β-Cyclodextrin Derivative
• Liu Li-Hua;Gong Zhu-Qing;Zheng Ya-Jie;Zhang Qin-Fa;Guan Lu-Xiong
• The thiolterminated βcyclodextrin derivative(βCDd) was attached to the surface of gold electrode of quartz crystal re...
• 2002, 18 (07): 604-608. DOI: 10.3866/PKU.WHXB20020707

• 3826Abstract/Metrics
• 3213 PDF(1816KB)

• Ion Replacement Mechanism of Alginate-Chitosan-Alginate Gels
• Chen Yi-Qing;Sun Duo-Xian
• Alginate-Chitosan-Alginate(ACA) ion replacement gels are a novel ion adsorbent and are hopeful to be used to cure human ...
• 2002, 18 (07): 609-612. DOI: 10.3866/PKU.WHXB20020708

• 3985Abstract/Metrics
• 2964 PDF(1641KB)

• Preparation of Nanocrystalline NiO by Electrochemical Dissolution of Nickel
• Zhou Xing-Fu;Han Ai-Jie;Chu Dao-Bao;Lin Chang-Jian;Tian Zhong-Qun
• Metallic nickel was electrochemically dissolved in absolute ethanol and acetylacetone solution in the presence of Bu4NBr...
• 2002, 18 (07): 613-616. DOI: 10.3866/PKU.WHXB20020709

• 4385Abstract/Metrics
• 3027 PDF(1575KB)

• AC Impedance and Gas Concentration Cell Measurements for Ba₁₂Y_4.67Ti₈O₃₅
• Jing Xi-Ping;Anthony R.West
• A ceramic phase Ba12Y4.67Ti8O35 was prepared by solid state reactions,the electrical properties of which were characteri...
• 2002, 18 (07): 617-623. DOI: 10.3866/PKU.WHXB20020710

• 3642Abstract/Metrics
• 3053 PDF(616KB)

• Synthesis and Structure of a Novel 18Mo Polyoxomolybdate
• Liu Guang;Zhang ShiWei
• A new compound (NH4)6•[Ca2(H2O)6(CH3COO)2]•{Ca@[O52(OH)4(CH3COO)2]}•14H2O was prepared and the structu...
• 2002, 18 (07): 624-628. DOI: 10.3866/PKU.WHXB20020711

• 3669Abstract/Metrics
• 3817 PDF(1440KB)

• Ab Initio Study of Dividing Mutibody Interaction into Lower Order
• Qu Jun-Yan;Li Wei;Zhao Xin-Sheng
• With QCISD/6311G(3df) and B3LYP/6311＋＋G(3df, 3pd) calculations,stable structure of Ar3H＋ and its vibrational frequenci...
• 2002, 18 (07): 629-632. DOI: 10.3866/PKU.WHXB20020712

• 3527Abstract/Metrics
• 2904 PDF(1281KB)

• Synthesis of K-Pb-Tl-O Complex Oxides and XPS Study on Their Electronic Structure
• Qiu Li-Mei;Liu Fen;Zhao Liang-Zhong
• Crystals of K-Pb-Tl-O complex oxides were electrodeposited on the anode from molten salts.The resulting crystals show mu...
• 2002, 18 (07): 633-635. DOI: 10.3866/PKU.WHXB20020713

• 3932Abstract/Metrics
• 3003 PDF(1320KB)

Note

• Room Temperature Synthesis and Lyotropic Liquid Crystalline Characterization
• Dong Yan-Ming;Wu Yu-Song;Wang Mian
• Phthaloyl chitosan,an important chitosan derivative,has been used in many fields especially as an intermediate for furth...
• 2002, 18 (07): 636-639. DOI: 10.3866/PKU.WHXB20020714

• 3923Abstract/Metrics
• 2972 PDF(1640KB)

• Superexchange Mechanism of Charge Transfer in Supermolecular Assemblies
• Xu Si-Chuan;Ai Xi-Cheng;Feng Juan;Zhang Ru-Bo;Zhang Qi-Yuan;Zhang Xing-Kang
• The investigation on charge migration mechanism in double helix DNA is an important current issue extensively studied in...
• 2002, 18 (07): 640-643. DOI: 10.3866/PKU.WHXB20020715

• 3664Abstract/Metrics
• 2998 PDF(1485KB)

• The Experimental Determination and Correlation of Excess Enthalpies of Binary Systems of Cyclohexanone with Different Alcohols
• Ma Pei-Sheng;Xia Shu-Qian;Wu Xiao-Xiang
• The excess enthalpies of five binary systems of cyclohexanone separately with ethanol,n-propanol,n-butanol,cyclopentanol...
• 2002, 18 (07): 644-648. DOI: 10.3866/PKU.WHXB20020716

• 3455Abstract/Metrics
• 2822 PDF(1438KB)

• Diffusion and Existing Form of Water Vapour in Organic Coatings
• Xu Yong-Xiang;Yan Chuan-Wei;Gao Yan-Min;Cao Chu-Nan
• Absorption and desorption of water vapour in alkyd and polyurethane varnish were studied by quartz crystal microbalance(...
• 2002, 18 (07): 649-652. DOI: 10.3866/PKU.WHXB20020717

• 3496Abstract/Metrics
• 3193 PDF(1653KB)

• Preparation and Characteristics of Polyaniline - Barium Titanate Nanocomposite Particles
• Wei Jian-Hong;Guan Jian-Guo;Chen Wen-Yi;Yuan Run-Zhang
• Polyaniline-barium titanate (PAn/BaTiO3) nanocomposite particles have been prepared by in situ composite technique in th...
• 2002, 18 (07): 653-656. DOI: 10.3866/PKU.WHXB20020718

• 4551Abstract/Metrics
• 3212 PDF(1616KB)

• Simultaneous Correlation of Viscosity and 1H NMR Chemical Shift Data for DMFmethanol System
• Deng Dong-Shun;Li Hao-Ran;Liu Di-Xia;Han Shi-Jun
• A new model based on the concept of local composition has been proposed for the correlation of the NMR chemical shift da...
• 2002, 18 (07): 657-660. DOI: 10.3866/PKU.WHXB20020719

• 4620Abstract/Metrics
• 3142 PDF(589KB)

• Stability of Agrochemical Microemulsions at Low Temperature
• Chen Fu-Liang;Wang Yi;Zheng Fei-Neng;Liang Wen-Ping
• The stability of microemulsion at low temperature is one of the technical indices of microemulsion quality. The major fa...
• 2002, 18 (07): 661-664. DOI: 10.3866/PKU.WHXB20020720

• 4200Abstract/Metrics
• 3400 PDF(1551KB)

• Effects of Nicotinic Acid on Copper Electrodeposition in Acid Sulphate
• Huang Ling;Zhang Rui;Gu Min;Yang Fang-Zu;Xu Shu-Kai;Zhou Shao-Min
• Initial stages of electrodeposition of copper on glassy carbon electrode from 0.8 mol•L－1 copper sulphate electrol...
• 2002, 18 (07): 665-668. DOI: 10.3866/PKU.WHXB20020721

• 3780Abstract/Metrics
• 3231 PDF(1611KB)

• Preparation and Tribological Behavior of Perfluoroctanoxamidepropyltrioxylmethyl Silane SAM
• Gu Guo-Tuan;Zhang Zhi-Jun;Dang Hong-Xin
• Low surface free energy and ultrathin film of Perfluoroctanoxamidepropyltrimethoxyl Silane SAM was fabricated on microsc...
• 2002, 18 (07): 669-672. DOI: 10.3866/PKU.WHXB20020722

• 3914Abstract/Metrics
• 3074 PDF(1555KB)