Communication

• Observation of Ring Tubes from Carbon Soot
• Wang Yu-Huang, Yu Rong-Qing, Huang Rong-Bin, Cheng Da-Dian, Zhan Meng-Xiong, Zheng Lan-Sun
• Ring tubes (tori) have been observed from the carbon soot. The sample was prepared in the pure nitrogen atmosphere by ar...
• 1995, 11 (07): 577-578 DOI: 10.3866/PKU.WHXB19950701

• 2540Abstract/Metrics
• 2254 PDF(771KB)

• Activity of RNaseA in Reverse Micelles Formed by Dodecylammonium Butyrate in Cyclohexane
• Huang Wen,Li Xiao-Feng,Gu Ti-Ren
• The enzymetic activity of RNaseA solubilized in reverse micelles formed in cyclohexane by dodecylammonium butyrate(DAB) ...
• 1995, 11 (07): 579-582 DOI: 10.3866/PKU.WHXB19950702

• 3242Abstract/Metrics
• 2310 PDF(573KB)

• Preparation of Porous Silicon Using Anodizing and Suppercritical Drying
• Guo Guo-Lin, Xu Dong-Sheng, Gui Lin-Lin, Ma Shu-Yi, Lin Jun, Zhang Li-Dong, Qin Guo-Gang
• Porous silicon (PS) fabricated by anodizing have recently become the subject of intense interest due to their room tempe...
• 1995, 11 (07): 583-586 DOI: 10.3866/PKU.WHXB19950703

• 3559Abstract/Metrics
• 2528 PDF(1327KB)

• Electronic Spin Resonance Properties of ZnO Nanocrystallite
• Yu Bao-Long,Zhang Gui-Lan,Tang Guo-Qing,Wu Xiao-Chun,Chen Wen-Ju
• The microemulsion method for preparing ZnO nanocrystallites was reported. Through measuring ZnO microcrystllite ESR spec...
• 1995, 11 (07): 587-589 DOI: 10.3866/PKU.WHXB19950704

• 3521Abstract/Metrics
• 2486 PDF(755KB)

ARTICLE

• Viscosity of NaCl and KCl in Aqueous Sucrose Solutions
• Liu Wen-Bin,Wu Yan-Ping,Wang Jian-Ji,Lu Jin-Suo
• Viscosities and densities at 298.15 and 308.15K are reported for NaCl and KCl in aqueous sucrose solutions. The viscosit...
• 1995, 11 (07): 590-595 DOI: 10.3866/PKU.WHXB19950705

• 5383Abstract/Metrics
• 2555 PDF(941KB)

• Studies on Binary Gas Solid Adsorption(IV)
• Dai Min-Guang,Miao Rui-Ping
• In this paper, the binary adsorption isotherms of acetone-n-hexane, toluene-n-hexane, benzene-n-hexane and n-pentane-n-h...
• 1995, 11 (07): 596-600 DOI: 10.3866/PKU.WHXB19950706

• 3521Abstract/Metrics
• 2563 PDF(867KB)

• Structure of Mo/HZSM-5 Catalysts and Their Reactivities of Methane Dehydro-oligomerization under Non-oxidizing Conditions
• Chen Lai-Yuan,Xu Zhu-Sheng,Zhang Tao,Li Xin-Sheng,Lin Li-Wu
• The structures of Mo/HZSM-5 catalysts with different molybdenum loadings were characterized and the reaction performance...
• 1995, 11 (07): 601-606 DOI: 10.3866/PKU.WHXB19950707

• 3795Abstract/Metrics
• 2576 PDF(1075KB)

• Aggregation Behavior of Sulfonated Butyl Rubber Ionomers in Mixed Solvents
• Zeng Zhao-Hua,Feng Ke,Li Zhuo-Mei
• ESR spectra and viscosity measurement have been used to study the aggregation behavior of two kinds of sulfonated butyl ...
• 1995, 11 (07): 607-611 DOI: 10.3866/PKU.WHXB19950708

• 3088Abstract/Metrics
• 2418 PDF(744KB)

• Study of the Hydrolysis Kinetics of Tetraethyl Orthosilicate in the Preparation of Monodisperse Silica System
• Zhao Rui-Yu,Dong Peng,Liang Wen-Jie
• The hydrolysis of tetraethyl orthosilicate in the preparation of monodisperse silica particles was studied by means of e...
• 1995, 11 (07): 612-616 DOI: 10.3866/PKU.WHXB19950709

• 4356Abstract/Metrics
• 2842 PDF(796KB)

• The Determination of the Thermodynamic Functions of Protonation Reactions of Eight Kinds of Amino Acids by Titration Calorimetry
• Liu Shi-Jun,Wang Cun-Xin,Wu Xu-Heng,Qu Song-Sheng
• The protonation reaction of eight kinds of amino acids-glycine, L-alanine, L-leucine, L-isoleucine, L-valine, L-phenylal...
• 1995, 11 (07): 617-621 DOI: 10.3866/PKU.WHXB19950710

• 3597Abstract/Metrics
• 2819 PDF(828KB)

• Molecular Dynamic Study on Phospholipase A₂ and its Complex
• Luo Zhao-Wen,Deng Qiao-Lin,Lai Lu-Hua,Xu Xiao-Jia,Tang You-Qi
• Human Phospholipase A2 (PLA2) plays important role in the inflammation process. Inhibition of PLA2 could represent a pos...
• 1995, 11 (07): 622-626 DOI: 10.3866/PKU.WHXB19950711

• 3610Abstract/Metrics
• 2564 PDF(968KB)

• CNDO/2 Studies on the Mechanism of Conformational Interconversion of Calix[4]arene
• Li Yong,Zheng Yan-Zhao,Guo Jin-Liang,Song Xin-Qi
• The equilibrium molecular geometries of four different conformations and energy barriers of all possible conformational ...
• 1995, 11 (07): 627-631 DOI: 10.3866/PKU.WHXB19950712

• 3086Abstract/Metrics
• 2335 PDF(966KB)

• Synthesis and Structure of Graphitic Buckybundles
• Li Yue,Zhou Xi-Huang,Jin Zhao-Xia,Gu Zhen-Nan,Liu Zhen-Quan,Feng Sun-Qi
• The synthesis and the structure of graphitic nanotubes and buckybundles were studied by DC arc- discharge method and hig...
• 1995, 11 (07): 632-635 DOI: 10.3866/PKU.WHXB19950713

• 3365Abstract/Metrics
• 2475 PDF(1322KB)

• Infrared Studies of the Surface Structure of Commercial Pt-Re/Al₂O₃ Reforming Catalyst
• Hu Yong-Ren,Zhang Lan-Xin,Xin Qin,Gao Xing-Tao,Ying Pin-Liang
• Infrared studies of adsorbed CO and NO on Pt/Al2O3, Re/Al2O3 and PtRe/Al2O3 were made to obtain information on the surfa...
• 1995, 11 (07): 636-641 DOI: 10.3866/PKU.WHXB19950714

• 5045Abstract/Metrics
• 2460 PDF(1125KB)

Note

• An Application of Self-organization Neural Network Tree to the Discrimination of Amorphous State of Trinary Fluoride
• Cai Yu-Dong,Xu Wei-Jie,Chen Nian-Yi
• In this paper, the self-organization neural network tree is presented to discriminate the amorphous state of trinary flu...
• 1995, 11 (07): 642-645 DOI: 10.3866/PKU.WHXB19950715

• 2927Abstract/Metrics
• 2245 PDF(570KB)

• Chemical State of Carbon in Monodisperse Silica Spheres Prepared from Alkoxysilanes
• Chen Sheng-Li,Dong Peng,Yang Guang-Hua,Yang Jiu-Jin
• Monodisperse silica spheres were prepared by hydrolysis and condensation of tetraethoxysilane (TEOS) in a mixture of wat...
• 1995, 11 (07): 646-649 DOI: 10.3866/PKU.WHXB19950716

• 3157Abstract/Metrics
• 2491 PDF(603KB)

• Second Harmonic Generation from Langmuir-Blodgett Multilayers of Hemicyanine Derivative Interleaved with a Novel Spacer
• Ma Shi-Hong, Han Kui, Lu Xing-Ze, Wang Gong-Ming, Zheng Jia-Biao, Wang Wen-Cheng, Yao Zhong-Qi
• A new type of bifat-chain amphiphilic molecules 1,10-bistearyl-4,6,13,15-tetraene-18-nitrogencrown-6 (NC), was synthesiz...
• 1995, 11 (07): 650-653 DOI: 10.3866/PKU.WHXB19950717

• 2834Abstract/Metrics
• 2257 PDF(724KB)

• Electrocatalytic Effect of Oxygen by Anodic Evlution Ag(I) Co(II) and Ni(II) Ions
• Jin Shi-Xiong,Wang Lan,Sun Feng
• Influence of Ag(Ⅰ), Co(Ⅱ) and Ni(Ⅱ) ions on oxygen anodic evolution at Pt and Ti/Pt/PbO2 electrodes was investigated in ...
• 1995, 11 (07): 654-658 DOI: 10.3866/PKU.WHXB19950718

• 3443Abstract/Metrics
• 2645 PDF(807KB)

• A Modified X_a-SCF Calculation of the Structure Parameters of Atoms
• Zhu Xiao-Lei,Jin An-Ding
• vA modified Xα-SCF method is proporsed for calculating atomic structure parameters of a molecule and further chara...
• 1995, 11 (07): 659-662 DOI: 10.3866/PKU.WHXB19950719

• 2758Abstract/Metrics
• 2500 PDF(555KB)

• Gas Electron Diffraction and Charge Redistribution in SF₆ Molecule
• Jin An-Ding,Zhu Xiao-Lei
• Independent atom model (IAM) is generaly used in gaseous electron diffraction (GED) experiment. This means that the effe...
• 1995, 11 (07): 663-666 DOI: 10.3866/PKU.WHXB19950720

• 2736Abstract/Metrics
• 2324 PDF(706KB)

• A Study of Electronic Structure of an Infinite Li Chain with H Local Impurities
• Li Xiao-Chun,Chen Rui-Sheng
• In this paper, the effect of a H local impurity on the electronic structure of a quasi-one-demensional chain of Li atoms...
• 1995, 11 (07): 667-671 DOI: 10.3866/PKU.WHXB19950721

• 2521Abstract/Metrics
• 2305 PDF(654KB)