Communication

• Constraint Monte-Carlo Simulated Annealing:Application in Peptide Conformational Analysis in Solution
• Lai Lu-Hua, Wang Le-Yu, Deng Qiao-Lin, Han Yu-Zhen, Ma Li-Bin, Xu Xiao-Jie, Tang You-Qi
• Distance geometry and molecular dynamics are currently employed in determining molecular structures with interatomic dis...
• 1994, 10 (10): 867 -869 DOI: 10.3866/PKU.WHXB19941001

• 3415Abstract/Metrics
• 2484 PDF(436KB)

• ⁷Li NMR Study Li⁺ Motion in Fast Ionic Conductor System
• Yue Yong, HU Hong-Bing, Deng Feng, Ye Zhao-Hui
• The state and dynamic behaviour of the Li+ ions in Li1+2.Ti2-x.Mgx P3O12 fast ionic conductor system have been investiga...
• 1994, 10 (10): 870 -873 DOI: 10.3866/PKU.WHXB19941002

• 3168Abstract/Metrics
• 2409 PDF(625KB)

ARTICLE

• Study of WO₃ Supported on Different Carrier by TPS
• Ji Chun-Xin, Wei Zhao-Xin, Xin Qin
• The sulfiding procedures of WO3 supported on 7-Al2O3, TiO2-Al2O3 and carbon were examined by TPS (Temperature-programmed...
• 1994, 10 (10): 874 -881 DOI: 10.3866/PKU.WHXB19941003

• 3381Abstract/Metrics
• 2454 PDF(1244KB)

• Syntheses and Crystal Structure of Tetracobalt Carbonyl Clusters Co₄(CO)₈(μ-CO)₂(μ₄-PSR)₂
• Wu Bao-Shan, Liu Qi-Wang, Hu Xiang, Su Hai-Quan, Liu Shu-Tang, Jin Xiang-Lin
• The title compounds Co4(CO)8(μ-CO)2 (μ4-PSR) [R=-CH3, -C2H5, -C(CH3)3,-(CHa)4CH3] were synthesized by the reaction...
• 1994, 10 (10): 882 -886 DOI: 10.3866/PKU.WHXB19941004

• 3545Abstract/Metrics
• 2529 PDF(824KB)

• Exploration on Bonding Regularity for Mixed-metal Four-nuclear Clusters Pt₂M₂
• Lin Meng-Hai, Zhang Qian-Er
• 12 mixed-metal, four-nuclear clusters Pt2M2 have been calculated and discussed using DV-Xαmethod of quantum chemis...
• 1994, 10 (10): 887 -891 DOI: 10.3866/PKU.WHXB19941005

• 3388Abstract/Metrics
• 2474 PDF(864KB)

• A Study on the Codeposition Mechanism of Tungsten Carbide Particles with Nickel from Nickel Sulfate Bath
• Tan Qi-Xian, Zhu Long-Zhang, Liu Shu-Lan, Guo He-Tong
•  Codeposition process of conductive particles WC with matrix metal Ni from Watts nickel plating bath was studied- T...
• 1994, 10 (10): 892 -896 DOI: 10.3866/PKU.WHXB19941006

• 3673Abstract/Metrics
• 2944 PDF(808KB)

• Characterization of Solid Superacidity by Pentane Isomerization Reaction
• Gao Zi, Hua Wei-Ming, Chen Jian-Min, Tang Yi
• Pentane reactions on solid acids such as SO_42- /M.O., HM and HZSM-5 zeolites at low temperature were studied. In most c...
• 1994, 10 (10): 897 -902 DOI: 10.3866/PKU.WHXB19941007

• 3575Abstract/Metrics
• 2650 PDF(909KB)

• Enthalpies of Solution and Solvation of NaBr in Aqueous Mixtures of n-propanol
• Zhang Ya-Ming, Woloubief A F, Suolamatina N A, Moluokuowa L F
• Enthalpies of solution of NaBr in aqueous mixtures of n-propanol has been measures over various ranges of compositions a...
• 1994, 10 (10): 903 -908 DOI: 10.3866/PKU.WHXB19941008

• 4269Abstract/Metrics
• 2775 PDF(884KB)

• The Interaction between Polyacrylamide and Mixed Surfactants
• Xu Gui-Ying, Su Hong-Mei, Li Gan-Zuo, Liu Mu-Xin, Li Fang, Mao Hong-Zhi
• The interaction between polyacrylamide (PAM) and sodium dodecyl sulfonate (R12SO3Na)-Laurate (R11COONa) mixture in vario...
• 1994, 10 (10): 909 -914 DOI: 10.3866/PKU.WHXB19941009

• 3963Abstract/Metrics
• 2722 PDF(1034KB)

• Effect of the Ni(510) Step Surface for the Dissociative Adsorption of Hydrogen Molecule
• Wang Ze-Xin, Zhang Ji-Shu, Yu Xiao-An, Hao Ce, Chen Zong-Qi
• The LEPS potential energy surfaces for the interaction of H2-Ni(100) and H2Ni(510) systems were obtained using the pairp...
• 1994, 10 (10): 915 -920 DOI: 10.3866/PKU.WHXB19941010

• 3579Abstract/Metrics
• 2587 PDF(1012KB)

Note

• A Theoretical Study on the Thermodynamic Properties and the Exist Life of Cyclobutyne
• Li Ji-Sheng, Liu Feng-Ling, Ning Shi-Guang
• The thermodynandc properties and the kinetic properties of cyclobutyne are comPuted. On the basis of the rate constants ...
• 1994, 10 (10): 921 -924 DOI: 10.3866/PKU.WHXB19941011

• 4143Abstract/Metrics
• 2722 PDF(574KB)

• Aggregations of Fullerene Anions in Laser Plasma
• Huang Rong-Bin, Huang Feng, Liu Zhao-Yang, Wang Chun-Ru, Lin Feng-Chen, Zheng Lan-Sun
• The pure buckminsterfullerene sample was ablated by pulsed laser beam on a home-made apparatus. From the recorded time-o...
• 1994, 10 (10): 925 -927 DOI: 10.3866/PKU.WHXB19941012

• 3906Abstract/Metrics
• 2291 PDF(505KB)

• Investigation of Optimum Growth Temperature of Bacteria by Microcalorimetric Method
• Zhang Hong-Lin, Li Ji-Sheng, Nan Zhao-Dong, Sun Hai-Tao, Liu Yong-Jun, Xie Chang-Li, Qu Song-Sheng
• In this paper, thermograms of eight bacteria and growth curves in exponential phase of growth are presented. Growth rate...
• 1994, 10 (10): 928 -930 DOI: 10.3866/PKU.WHXB19941013

• 3938Abstract/Metrics
• 2482 PDF(440KB)

• Studies of Titania-Alumina as Support for Molybdenum Catalysts
• Wei Zhao-Bin, Xin Qin
• TiO2-Al2O3 binary oxides were prepared by gas-phase deposition of TiCl4 on γ-Al2os support. It was found that TiO2...
• 1994, 10 (10): 931 -935 DOI: 10.3866/PKU.WHXB19941014

• 3383Abstract/Metrics
• 2490 PDF(745KB)

• Study on the Microscopic and Macroscopic Viscosity of Copolymer/Surfactant Systems
• Fang Pei-Ji, Shi Yan-Zhi, Wang Er-Jian
• The interaction between water-soluble copolymer P(AM/AMPS) and various anionic surfactants, and the related changes in m...
• 1994, 10 (10): 936 -940 DOI: 10.3866/PKU.WHXB19941015

• 3489Abstract/Metrics
• 2633 PDF(920KB)

• The Excitation Functions of the Reactions of Alkaline Earth Metal with Polyatomic Halides
• Xu Da-Li, Chen Wei, He Guo-Zhong, Lou Nan-Quan
• In a beam-beam scattering experiment the excitation functions of the reactions of alkaline earth metals with some polyat...
• 1994, 10 (10): 941 -946 DOI: 10.3866/PKU.WHXB19941016

• 2893Abstract/Metrics
• 2372 PDF(839KB)

• Kinetics and Meckanism of Oxidation of Ethanolamine by Diperiodatocuprate(III)Ion in Alkaline Medium
• Shan Jin-Huan, Liu Tie-Ying
• The kinetics of oxidation of ethanolamine by potassium diperiodatocupate (Ⅲ) was studied spectrophotometrically in alkal...
• 1994, 10 (10): 947 -949 DOI: 10.3866/PKU.WHXB19941017

• 4023Abstract/Metrics
• 2791 PDF(395KB)

• The Study of Ultrafine Particles of CaCO₃ in the Ordered System of the Egg Yolk Phospholipid
• Yao Song-Nian, Zhong Gui-Rong
• A method of preparation of ultrafine CaCO3 particles in ordered systems, as in vesicle and microemulsion, consisting of ...
• 1994, 10 (10): 950 -953 DOI: 10.3866/PKU.WHXB19941018

• 3079Abstract/Metrics
• 2456 PDF(607KB)

• A Study on the Photophysical Behavior of 1,3,5-triaryl-2 Pyrazoline Compound
• Yan Zheng-Lin, Wu Shi-Kang
• The fluorescence quantum yields Фf and lifetimes τ of 1,5-diphenyl-3 naphthyl-2-pyrazoline were measured in methanol...
• 1994, 10 (10): 954 -958 DOI: 10.3866/PKU.WHXB19941019

• 4308Abstract/Metrics
• 2387 PDF(825KB)

• The Study of the Crystallization Kinetics of Titaniumcontained Noncrystalline Coats by Brush Plating(I)
• Yao Ping, Shi Hong-Yun, Deng Jie, Zhang Yun-Qian, Wang Yi-Bo, Fan Shou-Rong
• The aim of the present paper is to use non-isothermal differental scanning calorimentry technique to study the crystalli...
• 1994, 10 (10): 959 -962 DOI: 10.3866/PKU.WHXB19941020

• 3186Abstract/Metrics
• 2555 PDF(588KB)