Communication

• Mass Specmetry of Linear C_nB^- Generated With Laser Vaporization
• Huang Rong-Bin; Zhang Peng; Su Zhao-Hui; Su Jian-Rui; Zheng Lan-Sun
• Time-of-flight mass spectrum of C_nB~- has been recorded on a selfbuilt instrument with laser vaporization of tetrapheny...
• 1992, 8 (02): 145 -147 DOI: 10.3866/PKU.WHXB19920201

• 2833Abstract/Metrics
• 2400 PDF(467KB)

• Characterization of Surface Structure of Novel Supported Catalysts by SSIMS
• Huang Hui-Zhong; Hu De-Hong; Gui Lin-Lin; Fu Xian-Zhi; Tang You-Qi
• In this paper SSIMS (Static Secondary Ion Mass Spectrometry) combined with XPS was used for measuring the surface state ...
• 1992, 8 (02): 148 -152 DOI: 10.3866/PKU.WHXB19920202

• 3994Abstract/Metrics
• 2525 PDF(923KB)

• A New Progress in the Theory on Adsorption of Surfactant at Solid/Liquid Interface
• Zhu Bu-Yao; Feng Li
• 1992, 8 (02): 153 -155 DOI: 10.3866/PKU.WHXB19920203

• 3630Abstract/Metrics
• 3700 PDF(464KB)

ARTICLE

• The Dispersions of the Second-Order Nonlinear Susceptibilities of Some Organic Molecules
• Feng Ji-Kang; Gao Xu-Ling; Sun Jia-Zhong
• At the level of INDO/CI methods, using the program for calculations of the second-order nonlinear susceptibilites (&beta...
• 1992, 8 (02): 156 -161 DOI: 10.3866/PKU.WHXB19920204

• 3051Abstract/Metrics
• 2782 PDF(956KB)

• Ion Association and Activity in H₂O-C₂H₅OH-MX(NaCl etc) Systems
• Lu Jiu-Fang; Hu Gui-Chun; Li Yi-Gui
• The conductance bridge was used to measure the molar conductances for H_2O-C_2H_5OH-NaCl system and the headspace gas ch...
• 1992, 8 (02): 162 -170 DOI: 10.3866/PKU.WHXB19920205

• 3114Abstract/Metrics
• 2517 PDF(1423KB)

• Bonding and Coordinating Activation of Neutral η⁶-Benzene Complex of Rare Earth
• Li Zhen Xiang; Shen Qi; Lin Yong-Hua; Meng Qing-Bo
• The electronic structure and coordinating activation of chemical bonds of η~6-benzene complex of neodymium have been stu...
• 1992, 8 (02): 171 -174 DOI: 10.3866/PKU.WHXB19920206

• 3270Abstract/Metrics
• 2356 PDF(697KB)

• Laser Light Scattering Studies on the Effect of Salts on Micelle Formation of C₈-Lecithin
• Huang Yao-Xiong
• The critical micelle concentration (CMC) of aqueous C_8-lecithin solutions was measured as a function of temperature, sa...
• 1992, 8 (02): 175 -180 DOI: 10.3866/PKU.WHXB19920207

• 3093Abstract/Metrics
• 2305 PDF(985KB)

• Theoretical Studies on the 1,2-Cycloaddition Reaction of Singlet Molecular Oxygen (¹O₂) with Imidazole
• Ma Si-Yu; Ding Yan-Bo; Fu Xiao-Yuan
• The 1,2-cycloaddition reaction mechanism of singlet molecular oxygen ~1O_2 with imidazole has been investigated by semie...
• 1992, 8 (02): 181 -185 DOI: 10.3866/PKU.WHXB19920208

• 4012Abstract/Metrics
• 2795 PDF(862KB)

• The Fluorescent Effect of Ring-Shaped Polystyrene Excimer in Dilute Solution
• Zhu Duan-Hui; Li Chun-Rong; Liang Shu-Sen; Han Xue-Jun; Zhang Fang; Huang Jia-Xian
• Mark-Houwink equations of ring-shaped and linear polystyrene in ethyl acetate were obtained as: [η]_r=1.91×10~(-2)·M~(0....
• 1992, 8 (02): 186 -190 DOI: 10.3866/PKU.WHXB19920209

• 3364Abstract/Metrics
• 2470 PDF(856KB)

• The Physico-Chemical Properties of the Catanionic Surfactants Mixture
• Li Xue-Gang; Zhao Guo-Xi
• The stability of the aqueous solution, surface activity, stability of the foam and foaming ability of the mixture, forme...
• 1992, 8 (02): 191 -196 DOI: 10.3866/PKU.WHXB19920210

• 3684Abstract/Metrics
• 3157 PDF(1038KB)

• Study on Hydrodynamic Parameters of Ring-Shaped Polystyrene in Dilute Solution by the Method of Group Contributions
• Huang Jia-Xian; Li Chun-Rong; Zhu Duan-Hui; Liu Dong-Zhou; Feng Ya-Kai; Wang Zhi-Jun
• The group contribution mothod has been used to calculate the values of solubility parameter, intrinsic viscosity, Mark-H...
• 1992, 8 (02): 197 -201 DOI: 10.3866/PKU.WHXB19920211

• 3063Abstract/Metrics
• 2428 PDF(901KB)

• Transient Behavior of n-InP/Fe³⁺, Fe²⁺ Interface Using Small Current Step
• Qian Dao-Sun; Zhao Jun
• In this paper the transient behavior of n-InP semiconductor electrode in Fe~(3+)/Fe~(2+) solution using current step met...
• 1992, 8 (02): 202 -206 DOI: 10.3866/PKU.WHXB19920212

• 3158Abstract/Metrics
• 2482 PDF(641KB)

• The Effect of Metal Ions of Differentvalences on Conformation of DNA Molecules
• Li An-Zhi; Ding Mei; Yu Hai-Ying; Zhang Jiang-Ying
• The effect of metal ions of different valences on the conformation of DNA molecules by UV spectra has been studied. The ...
• 1992, 8 (02): 207 -211 DOI: 10.3866/PKU.WHXB19920213

• 3343Abstract/Metrics
• 3199 PDF(827KB)

• The Study on Surface Site of Catalyst for CO Hydrogenation with the Transient Analysis
• Deng Xiang-Yang; Liu Dan-Chu
• The state of surface site of catalyst for CO hydrogenation was studied with TPSR, TPR and TR. Results show that there ar...
• 1992, 8 (02): 212 -217 DOI: 10.3866/PKU.WHXB19920214

• 3388Abstract/Metrics
• 2799 PDF(907KB)

• A New Aproach for Processing Data of Transient Response to a Small Amplitude Potential Step
• Song Guang-Ling; Cao Chu-Nan; Lin Hai-Chao
• The equation of transient response to a small amplitude perturbation of potential step for multi-time constant electrode...
• 1992, 8 (02): 218 -225 DOI: 10.3866/PKU.WHXB19920215

• 2628Abstract/Metrics
• 2417 PDF(1047KB)

Note

• The Kinetics for Reactions of CS₂ with O(³P) and N(⁴S) Atoms
• Chen Cong-Xiang; Zhu Meng-Xia; Wang Li; Zou Jian-Hong
• In this work, we have measured the second-order rate constants of the reactions O(~3P)+CS_2 and N(~4S)+CS_2 over tempera...
• 1992, 8 (02): 226 -231 DOI: 10.3866/PKU.WHXB19920216

• 3418Abstract/Metrics
• 2340 PDF(844KB)

• Studies on the Hydrolysis Mechanism of Thiophosphate by ³¹P NMR
• Zhang Qiu-Yu; Yan Bao-Zhen; Guo Hong-You; Wang Zuo-Xin; Xu Guang-Zhi
• ~(31)P NMR spectra during the hydrolysis process of thiophosphate(A) ??? in neutral, acid and basic media were recorded....
• 1992, 8 (02): 232 -235 DOI: 10.3866/PKU.WHXB19920217

• 3469Abstract/Metrics
• 2607 PDF(586KB)

• Thermodynamic and Kinetic Study on Reactions OH+C₂H₂ and OH+C₂H₄
• Chen De-Zhan; Ju Guan-Zhi
• The reactions of OH radical with C_2H_2 and C_2H_4 have been studied with ther- modynamic and kinetic methods based on a...
• 1992, 8 (02): 236 -239 DOI: 10.3866/PKU.WHXB19920218

• 3693Abstract/Metrics
• 2340 PDF(580KB)

• Investigations of the Stability of Aqueous and Non-Aqueous Lamellar Liquid Crystal
• Guo Rong; Zhu Xia-Shi
• Measurements of ~2H NMR spectra and phase diagrams showed that the stability of SDS/C_(10)OH/solvents lamellar liquid cr...
• 1992, 8 (02): 240 -242 DOI: 10.3866/PKU.WHXB19920219

• 3212Abstract/Metrics
• 2239 PDF(414KB)

• Surface Enhance Raman Scattering (SERS) of Tetraphenyl Porphyin
• Li Li-Xia; Liu Chuan-Pu; Hu Yong-Feng; Gu Yue-Shu; Yin Yong-Jia; Qu Song-Sheng
• In this paper, we report the SERS of tetraphenyl porphyin (TPP) adsorbed on silver films prepared by homogeneous chemica...
• 1992, 8 (02): 243 -246 DOI: 10.3866/PKU.WHXB19920220

• 3171Abstract/Metrics
• 2307 PDF(615KB)

• The Surface Properties of LaAlO₃ Perovskite Oxides and Their Catalytic Activities
• Wang Jiang; Zhen Kai-Ji; Wei Quan; Bi Ying-Li
• A series of rare earth aluminate oxides were prepared by nitrate decomposition. The catalysts obtained were characterize...
• 1992, 8 (02): 247 -250 DOI: 10.3866/PKU.WHXB19920221

• 3350Abstract/Metrics
• 2535 PDF(668KB)

• The Electronic Absorption Spectra of Divalent Copper and Nickel Edta Complex Crystals
• Zhang Yu-Gen; Li Jian-Min
• The crystals of complexes [M(H_2EDTA)H_2O] (M=Cu, Ni) are synthesized in aqueous solution. The electronic absorption spe...
• 1992, 8 (02): 251 -254 DOI: 10.3866/PKU.WHXB19920222

• 3928Abstract/Metrics
• 2783 PDF(708KB)

• An Algebraic Method to Estimate General Type of Phases of Structure Factors
• Liu Yong-Sheng; Shu Ning-Cheng; Hu Ning-Hai
• The algebraic formulas of 1.5 and 2.5 rank are given for four space groups P2_1, Pn, Pnα2_1, P2_12_12_1. It is better th...
• 1992, 8 (02): 255 -260 DOI: 10.3866/PKU.WHXB19920223

• 2967Abstract/Metrics
• 2465 PDF(736KB)

• Raman Spectroscopic Study of MoO₃/TiO₂-Al₂O₃ Catalyst
• Wei Zhao-Bin; Wei Cheng-Dong; Xin Qin
• Raman spectrum was used to characterize the structure of Mo species supported on TiO_2-modified Al_2O_3. For Mo/Al_2O_3 ...
• 1992, 8 (02): 261 -265 DOI: 10.3866/PKU.WHXB19920224

• 3433Abstract/Metrics
• 2387 PDF(876KB)

• In-Situ Raman Spectroscopic Investigation of the SO₂Cl₂ Electroreduction Using Micro-Raman Electrolytic Cell
• Zhong Fa-Ping; Yang Han-Xi; Xu Zhi-San; Zha Quan-Xing
• A micro-Raman electrochemical cell was designed for in-situ study of the elec-troreduction of SO_2Cl_2. This type of mic...
• 1992, 8 (02): 266 -269 DOI: 10.3866/PKU.WHXB19920225

• 3046Abstract/Metrics
• 2322 PDF(619KB)

• ¹³C and ¹H NMR Studies of Solution Structure of Lanthanide Complex with Glycyl-Glycine
• Ren Ji-Min; Niu Chun-Ji; Pei Feng-Kui; Wang Wen-Yun; Ni Jia-Zuan
• ~(13)C and ~1H NMR technique was used to study the interaction of Gly-Gly with heavy lanthanide cations Dy~(3+), Ho~(3+)...
• 1992, 8 (02): 270 -273 DOI: 10.3866/PKU.WHXB19920226

• 3275Abstract/Metrics
• 2571 PDF(741KB)

• Chemiluminescence and Dynamics of the Reaction F(²P)+CH₂Br₂
• Zhan Ming-Sheng; Zhou Shi-Kang; Chu Yan-Nan; Song Fang-Qing; Yang Xin; Li Fang-Lin
• This paper reported an observation of the chemiluminescence in the 400～900 nm spectral region produced by the crossed mo...
• 1992, 8 (02): 274 -278 DOI: 10.3866/PKU.WHXB19920227

• 3387Abstract/Metrics
• 2436 PDF(751KB)