Communication

• Resonance Enhance Multiphoton Ionization Spectra of OCS Molecule in the 277-285 nm Wavelength Region
• Zheng Cheng-Fa;Liu yong;Yu Yong;Zheng Qi-Ke
• The first observation of the REMPI spectra of OCS molecule in the region of 277—285 nm is reported. The laser source is ...
• 1989, 5 (01): 1-2 DOI: 10.3866/PKU.WHXB19890101

• 2167Abstract/Metrics
• 2019 PDF(1916KB)

• Computer System for Scanning Tunneling Microscope
• Bai Chun-Li;Dai Chang-Chun;Huang Gui-Zhen;Chen Zeng-Bo;Liu Jie-San;Fu Heng
• The scanning tunneling microscope (STM)is a powerful instrument which provide surface topographic images down to the ato...
• 1989, 5 (01): 3-6 DOI: 10.3866/PKU.WHXB19890102

• 2109Abstract/Metrics
• 2197 PDF(3029KB)

• The Structure and Phase Transition of Li_0.025Na_0.975NbO₃
• Yang Qing-Chuan;Tang You-Qi;Zhong Wei-Lie;Chen Huan-Chu
• Li_(0.025)Na_(0.975)NbO_3 undergoes a ferroelectric-ferroelectric phase transition at 180K (on cooling) or 260 K (on hea...
• 1989, 5 (01): 7-9 DOI: 10.3866/PKU.WHXB19890103

• 2027Abstract/Metrics
• 2170 PDF(2523KB)

ARTICLE

• Analysis of Axially Symmetric Molecular Tumbling and Methyl Internal Rotation Rates of Morphine by ¹³C Spin-Lattice Relaxation Time T₁
• Wang Dehua; Levy,George C.
• ~(13)C relaxation parameters of morphine in solution were measured at 90.1 and 62.9 MHz. An axially symmetric rotational...
• 1989, 5 (01): 10-14 DOI: 10.3866/PKU.WHXB19890104

• 2228Abstract/Metrics
• 2094 PDF(3676KB)

• Theoretical Study on Bonding in the Complex [Co(H₂O)₄(NCS)₂]·(18-C-6)
• Cai Zhengting;Guan Daren;Deng Conghao;Fan Yuepeng;Zhang Ruiqin
• The molecular and crystal structure of the new compound [Co(H_2O)_4(NCS)_2]_2. (18-Crown-6) has been reported in a preio...
• 1989, 5 (01): 15-19 DOI: 10.3866/PKU.WHXB19890105

• 2269Abstract/Metrics
• 2298 PDF(4217KB)

• Study on Synergistic Extracted Complex——The Synthesis, Characterizaton and Crystal Structure of Bis (1-Pnenyl-3-Methyl-4-Trifluoroacetyl-Pyrazolone-5)Mono (1,10-Phenanthroline) Cobalt (II)
• Wang Ke-Zhi;Huang Chun-Hui;Weng Shi-Fu;Xu Guang-Xian;Han Yu-Zhen;He Cun-Heng;Zheng Qi-Tai
• A synergistic extracted complex of bis-(1-phenyl-3-methyl-4-trifluoroacetylpyrazolone-5) mono (1,10-phenanthroline) eoba...
• 1989, 5 (01): 20-26 DOI: 10.3866/PKU.WHXB19890106

• 2159Abstract/Metrics
• 2140 PDF(5185KB)

• THE CRYSTAL AND ELECTRONIC STRUCTURE OF [Cu₂ (C₆H₄ (COO) (CONHC₆H₄CH₃))₄ (DMF)₂]·4DMF
• Yu Xiufen; Huang Zhongle; Sun Qionli Cong Aizhen Huang Xin
• The title compound is synthesized and crystallized in the monoclinic system; space group P1, a=1.0761(2), b=1.3930(4), c...
• 1989, 5 (01): 27-32 DOI: 10.3866/PKU.WHXB19890107

• 1774Abstract/Metrics
• 1884 PDF(2286KB)

• Investigation of Microstructure at Iron Tetraphenylporphyrin Modified Glassy Carbon Electroed by XPS
• Hu Gang;Xu Li-Juan;Yu Ya-Li;Dong Shao-Jun
• Microstructure of the glassy carbon surface modified with iron tetraphenyfporphyrin (FeTPP) by heat treatment has been s...
• 1989, 5 (01): 33-37 DOI: 10.3866/PKU.WHXB19890108

• 2166Abstract/Metrics
• 2094 PDF(4217KB)

• Role of Carriers in the Selective Hydrogenation of Cyclopentadiene Over Supported Palladium Catalysts
• Zhang Shu-Lin;Xu Jun;Liao Shi-Jian;Yu Dao-Rong;Zhang Yi-Ping
• Several supported palladium catalysts were prepared and thier effects on the kinetic behaviors in the selective hydrogen...
• 1989, 5 (01): 38-43 DOI: 10.3866/PKU.WHXB19890109

• 2160Abstract/Metrics
• 2138 PDF(4655KB)

• Study of the Effects of Stirring on Belousov-Zhabotinskii Osciliating Reaction and its Mechanism
• Li Jing;Li Ru-Sheng
• The effects of stirring on the oscillations of the ferrion-catalyzed and ceriumcatalyzed B-Z reactions are investigated ...
• 1989, 5 (01): 44-49 DOI: 10.3866/PKU.WHXB19890110

• 2080Abstract/Metrics
• 2178 PDF(5270KB)

• The Band Structures and Electric Properties of the Chargetransfer Complexes 1-N-Methyl-Cinnoline TCNQ₂ and 2-N-Methyl-Cinnoline TCNQ₂
• Qian Min-Xie;Shi Yan-Yang;Fu Heng;Tang You-Qi;Xu Xiao-Jie
• The band structures of two isomeric complexes 1-N-Mci TCNQ_2 and 2-N-Mci TCNQ_2 are calculated with the tight-binding ap...
• 1989, 5 (01): 50-55 DOI: 10.3866/PKU.WHXB19890111

• 2364Abstract/Metrics
• 2033 PDF(4159KB)

• A Molecular Mechanics Study of Steric Effect of Substituents on Extraction of Metals by Acidic Phosphorus Esters
• Li Shu-Sen;Yuan Cheng-Ye
• The molecular mechanics calculations (Allinger's MM2 program) was used to study the steric effect of substituents on ext...
• 1989, 5 (01): 56-61 DOI: 10.3866/PKU.WHXB19890112

• 2251Abstract/Metrics
• 2083 PDF(4883KB)

• Thermodynamic Study of the Phase Transitions of the Mesogen H_pBAB and the Homologous Trend of the Melting Entropies
• Wang Bang-Ning;Tan Fu
• The phase transitions of N-(p-n-heptyloxybenzylidene)-p'-aminobenzonitrile (H_pBAB) were studied at various rates within...
• 1989, 5 (01): 62-66 DOI: 10.3866/PKU.WHXB19890113

• 2178Abstract/Metrics
• 2079 PDF(4487KB)

• Infrared Laser Induced SF₆ Interaction with Silicon and Tungstun Surfaces
• He Zhi-Fang;Jin Zhong-Kao;Qin Qi-Zong
• TEA CO_2 laser induced Si-SF_6 and W-SF_8 interactions have been studied and the surface reaction yields have been deter...
• 1989, 5 (01): 67-71 DOI: 10.3866/PKU.WHXB19890114

• 2437Abstract/Metrics
• 2033 PDF(4062KB)

• Studies on the Vapor-Liquid Equilibrium and Properties of Physical Chemistry in Liquid Phase for the Ternary System Li₂SO₄-EtOH-H₂O at 25℃
• Pan Huan-Quan;Xia Shu-Ping;Gao Shi-Yang
• In this paper, the solubilities, viscosities, densities and vapor-liquid equilibrium were studied for the ternary system...
• 1989, 5 (01): 72-75 DOI: 10.3866/PKU.WHXB19890115

• 2313Abstract/Metrics
• 2006 PDF(3161KB)

• Sestem Trial and Error Method for Crystal Structure Determination
• Hou Yong-Geng;Chen Zhi-Fang;Fu Heng
• The system trial and error method (STEM) for crystal structure determination is a systematical method. It is different f...
• 1989, 5 (01): 76-80 DOI: 10.3866/PKU.WHXB19890116

• 2295Abstract/Metrics
• 2022 PDF(4232KB)

• Theory of Kinetics and Equilibrium of Ion Exchange-Adsorption and Mechanism of Extracting Uranium From Sea-Water with Titanic Gel
• Ai Hong-Tao;Chen Song;Tao Zu-Yi;Lin Zi-Huang
• An isothermal equation for ion exchange-adsorption is derived by mass action law. The equation can be used to sum up emp...
• 1989, 5 (01): 81-86 DOI: 10.3866/PKU.WHXB19890117

• 2495Abstract/Metrics
• 2301 PDF(5032KB)

Note

• Dispersion of Metallic Nickel on the ZSM-5 Zeolites
• Xiao Shu-Yong;Meng Zhong-Yue
• The morphology, size distribution and crystallography of supported nickel on ZSM-5 zeolites have been studied by electro...
• 1989, 5 (01): 87-90 DOI: 10.3866/PKU.WHXB19890118

• 2030Abstract/Metrics
• 2195 PDF(3185KB)

• Studies of FT-IR-PAS Spectra of Polyphenylene Sulfide
• Zhang Gui-Zhong;Li Zeng-Fa;Zhang Guang-Yin;Zeng Han-Min
• This paper presented the Mid-IR photoacoustic spectra of polyphenylene sulfide (PPS) which was first measured by us and ...
• 1989, 5 (01): 91-94 DOI: 10.3866/PKU.WHXB19890119

• 3047Abstract/Metrics
• 2450 PDF(2508KB)

• Studies on Thermochemistry of Porphyrins III.The Stndard Energies of Combustion and Standard Enthalpies of Formation of Tetranitrophenylporphyrin and Tetrapyridinylporphyrin
• Gu Chun-Gang;Wu Ding-Quan;Qu Song-Sheng
• Using a precision static oxygen-bomb calorimeter, the standard energies of combustion at 298.15K of tetra-(p-nitrophenyl...
• 1989, 5 (01): 95-98 DOI: 10.3866/PKU.WHXB19890120

• 2287Abstract/Metrics
• 2186 PDF(3233KB)

• Adsorption Thermodynamics of Microporous Aluminophosphate AlPO₄-11
• Yan Ai-Zhen;Zhou Li-Rong;Xu Qin-Hua
• The adsorption properties of molecules with different polarizabilities, benzene, cyclohexane, n-hexane and water, on alu...
• 1989, 5 (01): 99-102 DOI: 10.3866/PKU.WHXB19890121

• 1508Abstract/Metrics
• 2113 PDF(3404KB)

• Studies on the Mechanism of Mg Electrodeposition in DMF
• Zhang Wen-Zhi;Xu Da-Feng;Wu Xi-Zun
• The characteristics of Mg electrodeposition on Pt in DMF have been investigated by means of cyclic voltammetry and rotat...
• 1989, 5 (01): 103-106 DOI: 10.3866/PKU.WHXB19890122

• 2024Abstract/Metrics
• 2393 PDF(2922KB)

• How to Specify Origin and Enantiamorph with General Reflections
• Hou Yong-Kang;Fu Heng
• For non-centrosymmetric crystal structures, it is usually uses as many specila refletions as possible to define origin a...
• 1989, 5 (01): 107-109 DOI: 10.3866/PKU.WHXB19890123

• 2216Abstract/Metrics
• 2106 PDF(2494KB)