Communication

• Development of Electron Momentum Spectrometer and Study of Helium Structure
• Qian Qing, Xu Xiang-Yuan, Tian Jia-He, Zheng Yan-You, Chen Xue-Jun
• In this letter, the development of an electron momentum spectrometer, which is the first in China, has been described sh...
• 1994, 10 (05): 385-386 DOI: 10.3866/PKU.WHXB19940501

• 2596Abstract/Metrics
• 2148 PDF(374KB)

• Theoretical Studies of Spectra of the Excited States and Conversion Barriers of a State to State HCB and HCB^-
• Cao Ze-Xing, Tian An-Min, Yan Guo-Sen
• The low-lying singlet and triplet states of HCB and HBC, and doublet states of HCB~- and HBC~- are examined using ab ini...
• 1994, 10 (05): 387-390 DOI: 10.3866/PKU.WHXB19940502

• 2874Abstract/Metrics
• 2243 PDF(522KB)

• Thermodnamics of Oxygen Binding to Dicobalt Diporphyrin in N,N-Dimethylformamide
• Zhou Xiao-Hai, Zhang Shao-Hui, Huang Su-Qiu, Qu Song-Sheng
• This paper reports the thermodynamics of reversible oxygen binding to a dicobalt di(meso-tetraphenylporphyrin) linked by...
• 1994, 10 (05): 391-395 DOI: 10.3866/PKU.WHXB19940503

• 3241Abstract/Metrics
• 2524 PDF(738KB)

• Electronic Structure for the Ground and Excited Satate of Si₂
• Zhang Jing-Lai, Cao Ze-Xing, Gu Jian-De, Tian An-Min, Yan Guo-Sen
• Using ab initio molecular orbital theory at the SOCI/MCSCF/HF/DH+d level, the equilibrium geometries, total energies, ha...
• 1994, 10 (05): 396-398 DOI: 10.3866/PKU.WHXB19940504

• 3305Abstract/Metrics
• 2295 PDF(483KB)

• Microelectrode Voltammetry for the Study of C₆₀
• Li Nan-Qiang, He Wei-Jun, Gu Zhen-Nan, Zhou Xi-Huang, Sun Yi-Liang, Wu Yong-Qing
• The microdisk electrode voltammetric behaviors of C_(60) are reported in this communication. This was accomplished by us...
• 1994, 10 (05): 399-401 DOI: 10.3866/PKU.WHXB19940505

• 3116Abstract/Metrics
• 2265 PDF(410KB)

ARTICLE

• Study of the Reducing and Sulfiding Process of Mo-Supported Catalyst by in situ LRS
• Wei Zhao-Bin, Wei Cheng-Dong, Xin Qin
• In this paper the changes of Mo species of Mo/Al_2O_3 and Mo/TiO_2-Al_2O_3 catalysts in reducing and sulfiding process h...
• 1994, 10 (05): 402-408 DOI: 10.3866/PKU.WHXB19940506

• 3964Abstract/Metrics
• 2460 PDF(1181KB)

• Evalustion of the Reactivity between Bi-Sr-Ca-Cu-O Superconductor and Oxide Substrate Materials
• Zhao Liang-Zhong
• The O_(1s) binding energies of MgO, ZrO_2, TiO_2, Al_2O_3 and SiO_2 were determined by XPS. It is shown that the BSCCO-o...
• 1994, 10 (05): 409-412 DOI: 10.3866/PKU.WHXB19940507

• 3195Abstract/Metrics
• 2368 PDF(663KB)

• Crystal Structure of Soft X-Ray Analyzer Crystal——Octadecyl Hydrogen Maleate(OHM, C₂₂H₄₀O₄)
• Wang Zhe-Min, Guan Tie-Tang, Zhuang Hong-Hui
• The crystal structure of octadecyl hydrogen maleate was determined by Xray diffeaction method. C_(22)H_(40)O_4, Mr=368.5...
• 1994, 10 (05): 413-417 DOI: 10.3866/PKU.WHXB19940508

• 3222Abstract/Metrics
• 2340 PDF(738KB)

• Cupric (II)-2,2'-Biquinoline Transfer Across the Liquid/Liquid Interface and Kinetics of Complexation
• Wang Han-Ming, Wang Er-Kang
• Cupric (Ⅱ) ion transfer across the water/nitrobenzene interface facilitated by 2,2'-biqulnoline was investigated by cycl...
• 1994, 10 (05): 418-423 DOI: 10.3866/PKU.WHXB19940509

• 5071Abstract/Metrics
• 2466 PDF(823KB)

• The Theoretical Study of the Thermolysis of Acetylacetone
• Hong San-Guo, Wang Shen
• The thermal decomposition of acetylacetone has heen studied with MINDO/3 MO theory. The results obtained show that the e...
• 1994, 10 (05): 424-427 DOI: 10.3866/PKU.WHXB19940510

• 4369Abstract/Metrics
• 2445 PDF(518KB)

• Crystallization Behavior of Poly(tetrahydrofuran-b-methyl methacrylate) Diblock Copolymer
• Liu Li-Zhi, Jiang Bing-Zheng, Zhou En-Le
• Crystallization behavior of a series of newly synthesized poly (tetrahydrofuran-b-methyl methacrylate) diblock copolymer...
• 1994, 10 (05): 428-433 DOI: 10.3866/PKU.WHXB19940511

• 3521Abstract/Metrics
• 2526 PDF(1091KB)

• Theoretical Studies on the Elimination Reaction of Alkyl Fluorides-1
• Li Qing-Ming, Fang De-Cai, Fu Xiao-Yuan
• At the level of 3-21G basis set, the transition states of the titled reactions have been optimized by using the energy g...
• 1994, 10 (05): 434-437 DOI: 10.3866/PKU.WHXB19940512

• 3009Abstract/Metrics
• 2639 PDF(748KB)

• Study on the Stability of Soap-free Water-Solubilized Polyacrylic Colloidal Dispersions
• Xie Zhi-Ming; Gao Pian; Li Zhuo-Mei
• Four acrylic copolymers (MMA/BA/HEMA/AA) containing various amount of AA were prepared by solution polymerization. The s...
• 1994, 10 (05): 438-443 DOI: 10.3866/PKU.WHXB19940513

• 3340Abstract/Metrics
• 2544 PDF(902KB)

• Application of Simulated Annealing: Study on Relationship between Conformation of Linear Peptides and Their Cyclization Yields
• Deng Qiao-Lin, Lai Lu-Hua, Han Yu-Zhen, Miao Zhen-Wei, Ji Ai-Xue, Xu Xiao-Jie
• Simulated armealing is a promising new method for conformational analysis of flexible molecules. It differentiates from ...
• 1994, 10 (05): 444-448 DOI: 10.3866/PKU.WHXB19940514

• 3067Abstract/Metrics
• 2663 PDF(758KB)

Note

• The Effect of Hydroxylamine Sulfate and Hydrated Hydrazine on the B-Z Reaction
• Huang Zhen-Yan, Zhou Kai-Xiong
• In this paper, the effects of hydroxylamine sulfate and hydrated hydrazine on the B-Z reaction are studied. Hydroxylamin...
• 1994, 10 (05): 449-451 DOI: 10.3866/PKU.WHXB19940515

• 3271Abstract/Metrics
• 2570 PDF(485KB)

• Photoelectrochemical Study on the Corrosion Behavior of Copper in 3% NaCl Solution
• Ren Ju-Jie, Yang Mai-Zhi, Tong Ru-Ting, Guo Qin-Lin, Cai Sheng-Min, Zhou Guo-Ding
• The corrosion behavior of copper in 3% NaCl solutions has been investigated using AES. XPS and photoelectrochemical tect...
• 1994, 10 (05): 452-455 DOI: 10.3866/PKU.WHXB19940516

• 3339Abstract/Metrics
• 2288 PDF(670KB)

• The Aggragation of Triton X-100 in Ethylene Glycol
• Ye Xi-Lin, Li Yu-Shu, Hu Xiu-Jie
• The CMC and the aggregation number of Triton X-100 in mixtures of ethylene glycol and water have been measured by surfac...
• 1994, 10 (05): 456-460 DOI: 10.3866/PKU.WHXB19940517

• 3825Abstract/Metrics
• 2422 PDF(745KB)

• The Correlations of Viscosities and Thermal Conductivities of Saturated Vapors with Those of Coexisting Liquids
• Liu Hong-Qin
• A correlation of free volume of saturated vapor with that of coexisting liquid phase is derived from the cell theory of ...
• 1994, 10 (05): 461-467 DOI: 10.3866/PKU.WHXB19940518

• 3365Abstract/Metrics
• 2352 PDF(996KB)

• Microemulsion and Lyotropic Liquid Crystal of Triton X-100/C₁₀H₂₁OH/H₂O System
• Yan Peng-Quan , Guo Rong, Liu Zheng-Ming, Zhu Xia-Shi, Shen Ming
• There are four single phase regions in part of the phase diagram for Triton X-100-C_(10)H_(21)OH/H_2O system. These are ...
• 1994, 10 (05): 468-471 DOI: 10.3866/PKU.WHXB19940519

• 3399Abstract/Metrics
• 2469 PDF(594KB)

• Study on Diffusion Mechanism for Copper in Low-conductivity Solution
• Feng Yi-Qi, Zhou Guo-Ding
• The cause of Warburg impedance on the impedance spectra for copper electrode in low-conductivity solution has been studi...
• 1994, 10 (05): 472-475 DOI: 10.3866/PKU.WHXB19940520

• 3323Abstract/Metrics
• 2351 PDF(655KB)

• ¹⁴N NMR Relaxation Study of 3-Alkylsydone
• Sasaki Yukio, Li Zhi-Fen
• 1994, 10 (05): 476-480 DOI: 10.3866/PKU.WHXB19940521

• 2949Abstract/Metrics
• 2418 PDF(682KB)