Communication

• Evidence for Different Responsing Rates of Different sers Bands of Surface Species on Change of Electrode Potentials
• Tian Zhong-Qun; Li Wu-Hu; Gao Jin-Song; Mao Bing-Wei
• In-situ time resolved Raman spectroscopy has been used to study the coadsorption of thiourea (TU) and ClO_4~- at Ag elec...
• 1993, 9 (06): 721-723 DOI: 10.3866/PKU.WHXB19930601

• 3629Abstract/Metrics
• 2595 PDF(720KB)

• Determination of Large Value Activity Coefficients at Infinite Dilution
• Bao Jian-Bin; Huang Qiang; Chen Geng-Hua; Han Shi-Jun
• Continuous sampling technique—an improvement of the gas stripping method has been proposed for the determination of larg...
• 1993, 9 (06): 724-727 DOI: 10.3866/PKU.WHXB19930602

• 3034Abstract/Metrics
• 2484 PDF(814KB)

ARTICLE

• The Effect of edta on the Formation of Uniform Particles
• Zhang Yu-Ting; Dai Zhong-Shan
• The morphology of the precipitates of ferric hydrous oxides formed by forced hydrolysis of acidic ferric salts solutions...
• 1993, 9 (06): 728-734 DOI: 10.3866/PKU.WHXB19930603

• 4391Abstract/Metrics
• 2684 PDF(2185KB)

• Dispersion Capacities of KCl and NaCl in Zeolites
• Xie You-Chang; Wang Chuan-Bao; Tang You-Qi
• High-temperature X-ray diffractometer is employed to study the dispersion capacities of KCI and NaCl in zeolite supports...
• 1993, 9 (06): 735-739 DOI: 10.3866/PKU.WHXB19930604

• 3219Abstract/Metrics
• 2741 PDF(1346KB)

• A New Simulation Approach to the Entropy-related Properties of Fluids
• Wu Xiong-Wu; Shi Jun
• A new approach to the computation of entropy-related properties of fluid in a Monte Carlo molecular simulation is presen...
• 1993, 9 (06): 740-745 DOI: 10.3866/PKU.WHXB19930605

• 3132Abstract/Metrics
• 2820 PDF(1442KB)

• The Study of Adsorbed Oxygen Species on the Surface of a Series of Na₂SnO₃ Catalysts by epr Experiments
• Luo Xiao-Ming; Han Qiao-Feng; Chen Yi; Han Shi-Ying; Jin Tong-Zheng; Sui Yun-Xia
• According to the results of investigation in a series of Na_2SnO_3 catalysts for oxidative coupling of methane, a sample...
• 1993, 9 (06): 746-751 DOI: 10.3866/PKU.WHXB19930606

• 3515Abstract/Metrics
• 2545 PDF(1515KB)

• Syntheses and Crystal Structures of the Complexes of rare Earth with Fumaric Acid
• Ma Jian-Fang; Wei Ge-Cheng; Ni Jia-Zuan
• Six compounds of M_2F_3·12H_2O (M=Eu, Gd, Tb, Y, Er, Lu; H_2F=Fumaric acid) have been synthesized. The structures of Eu(...
• 1993, 9 (06): 752-759 DOI: 10.3866/PKU.WHXB19930607

• 3469Abstract/Metrics
• 2370 PDF(1556KB)

• Investigation on Surface Metallic Active Structure of Supported Ruthenium Catalyst
• Ding Yun-Jie; Liang Dong-Bai; Lin Li-Wu; Li Can; Xin Qin
• The metallic surface structure of supported Ru catalysts, activated at different pretreatment conditions, was investigat...
• 1993, 9 (06): 760-764 DOI: 10.3866/PKU.WHXB19930608

• 3389Abstract/Metrics
• 2743 PDF(1435KB)

• Study on Sandwich Cells of Optical Transparent Electrodes and Chlorophyll
• Han Yun-Yu; Zhou Rui-Ling; Yang Yu-Guo; Li Huai-Xiang
• The photovoltaic characters of the sandwich cell, SnO_2/chla/PVA/SnO_2, were reported. The mechanism of photovoltaic eff...
• 1993, 9 (06): 765-769 DOI: 10.3866/PKU.WHXB19930609

• 2560Abstract/Metrics
• 2836 PDF(1333KB)

• The Bonding Properties for Linear Carbon Element Clusters
• Cao Ze-Xing; Liang Guo-Ming; Tian An-Min; Yan Guo-Sen; Tang Ao-Qing; Li Qian-Shu
• At the level of ab initio 3-21G, the equilibrum geometries of linear carbon clusters C_n~e(n≤8, |e|≤2) have been optimiz...
• 1993, 9 (06): 770-775 DOI: 10.3866/PKU.WHXB19930610

• 2835Abstract/Metrics
• 2276 PDF(1271KB)

• Determination of Activity Coefficients of TBP-Contaning Systems and Study on Perturbation Theory
• Cong Wei; Lu Jiu-Fang; Li Yi-Gui
• In this paper, the authors modify the technique for determining the activity coefficients by the method of head-space ga...
• 1993, 9 (06): 776-787 DOI: 10.3866/PKU.WHXB19930611

• 3778Abstract/Metrics
• 2860 PDF(2650KB)

• AM1 Study of the Photodecarboxylation Reaction of Acrylic acid in the Gas Phase
• Fang Wei-Hai; Fang De-Cai; Liu Ruo-Zhuang
• In this parper, the decarboxylation reaction of acrylic acid in the singlet and triplet excited states were investigated...
• 1993, 9 (06): 788-790 DOI: 10.3866/PKU.WHXB19930612

• 3319Abstract/Metrics
• 2732 PDF(848KB)

• Pulsed Light-induced Transient Behavior at n-InP Electrode in Fe³⁺/Fe²⁺(IV)
• Qian Dao-Sun; Zhu Zhen-Hua; Wang Ping-Chuan
• In this work, the influence of temperature, wavelength and surface treatment on the transient behavior of n-InP in Fe~(3...
• 1993, 9 (06): 791-794 DOI: 10.3866/PKU.WHXB19930613

• 3163Abstract/Metrics
• 2268 PDF(857KB)

• The Molecular and Crystal Structures and Thermal Properties of the Mesogenic 2,5-BIS(4-Ethylbenzoyl) Oxystyrene and 2,5-BIS(4-Methoxybenzoyl) Oxybenzaldehyde
• Yang Qing-Chuan; Dai Sheng; Zhou Hong-Bing; Zhou Qi-Feng; Tang You-Qi
• The crystal and molecular structures of the mesogenic 2,5-bis-(4-ethylbenzoyl) oxystyrene(Ⅰ) and 2,5-bis(4-methoxybenzoy...
• 1993, 9 (06): 795-801 DOI: 10.3866/PKU.WHXB19930614

• 3320Abstract/Metrics
• 2650 PDF(1941KB)

• Measurement of Capacitied for (n-C₁₈H₃₇NH₃)₂MCl₄
• Xu Rui-Yun; Kong De-Jun; Cai Xian-E; Zhu Jing
• The heat capacities of samples were measured by Differential Scanning Calorimetry(DSC), using scanning enthalpy method. ...
• 1993, 9 (06): 802-807 DOI: 10.3866/PKU.WHXB19930615

• 3233Abstract/Metrics
• 2555 PDF(1202KB)

• The Production and UV Photodissociation of Iron-sulfur Binary Clusters
• Yu Zhong-De; Zhang Nan; Feng Wan-Yong; Wu Xiao-Jun; Gao Zhen; Zhu Qi-He; Kong Fan-Ao; Zheng Lan-Sun; Huang Rong-Bin
• The iron-sulfur cluster ions, Fe_nS_m~+(n=1-13, m=1-13), were produced by diredt laser vaporization of a solid sample co...
• 1993, 9 (06): 808-814 DOI: 10.3866/PKU.WHXB19930616

• 3113Abstract/Metrics
• 2414 PDF(1457KB)

Note

• Study on Monodispersed Colloid V. Preparation of Monodispersed Particles of Zirconium Compounds
• Wang Guang-Xin; Sun Hao-Xian; Hou Yao-Yong; Chen Zong-Qi
• This paper describes the preparation of monodispersed sol of zirconium basic carbonate consisting of particles with diam...
• 1993, 9 (06): 815-818 DOI: 10.3866/PKU.WHXB19930617

• 2656Abstract/Metrics
• 2424 PDF(996KB)

• Investigation of the Behavior of Ammonium Sulfate on the Surface of TiO₂
• Li Rong-Sheng; Yang Hua; Zhang Wu-Yang; Wei Quan
• (NH_4)_2SO_4-TiO_2 have been treated at different temperatures. The samples obtained have been characteristized by IR an...
• 1993, 9 (06): 819-822 DOI: 10.3866/PKU.WHXB19930618

• 3365Abstract/Metrics
• 2406 PDF(1001KB)

• Laser Plasma Mass Spectrometry of YBa₂Cu₃O_7-x Superconducting Sample
• Huang Rong-Bin; Su Zhao-Hui; Zheng Lan-Sun; Wang Yong-Jun; Qin Qi-Zong
• Time-of-flight mass spectra of both positive and negative ions were recorded on a home-made instrument by laser ablation...
• 1993, 9 (06): 823-826 DOI: 10.3866/PKU.WHXB19930619

• 3129Abstract/Metrics
• 2406 PDF(1016KB)

• A Study on Acidity and Coking Activity of (NH₄)₂SiF₆ Dealuminated Faujasites
• Luan Zhao-Hua; Zhang Ying-Zhen; Zheng Lu-Bin
• Acidity and coking activity of(NH_4)_2SiF_6 dealuminated faujasites have been investigated by means of infrared spectros...
• 1993, 9 (06): 827-831 DOI: 10.3866/PKU.WHXB19930620

• 3166Abstract/Metrics
• 2241 PDF(1104KB)

• Study on the Function of Polamine Capsule Soaked in P204
• Wang Yu-Jie; Bai Guang-Yue; Zhang He-Zhe; Liu Shu-Hua
• On soaking the ultrathin polyamine capsules in bis-(2-ethyl) phosphate (Abbraviated P204), we prepared the functional ca...
• 1993, 9 (06): 832-835 DOI: 10.3866/PKU.WHXB19930621

• 2341Abstract/Metrics
• 2584 PDF(985KB)

• Study on Thermokinetic Properties of Bacterial Growth
• Zhang Hong-Lin; Liu Yong-Jun; Sun Hai-Tao; Sun Xiu-Fang; Shan Qing-Zhu; Xie Chang-Li; Qu Song-Sheng
• According to the transition state theory of reaction rates, we have calculated the thermokinetic properties of bacterial...
• 1993, 9 (06): 836-839 DOI: 10.3866/PKU.WHXB19930622

• 3100Abstract/Metrics
• 2651 PDF(763KB)