Communication

• Mass Spectrometry of Laser Generated Negative Carbon Cluster Ions
• Li Wen-Ying; Huang Rong-Bin; Zhuang Ma-Zhan; Ding Shao-Ping; Zheng Lan-Sun
• Negative carbon cluster ions were generated on a conventionally made laser probe time-of-flight mass spectrometer. The m...
• 1990, 6 (03): 257-258. DOI: 10.3866/PKU.WHXB19900301

• 3580Abstract/Metrics
• 2547 PDF(2081KB)

• Influence of Doping on Properties of Superconductor (Tl_1-x-yPb_xM_y)Sr₂(Ca_0.8Ln_0.2)Cu₂O_7-δ(M=Sn⁴⁺ or Sb⁵⁺, Ln=Y, La, Nd or Pr)
• Zhang Yu-Fen; Zhou Ding-Yuan; Zheng Xiang-Miao; Lin Bing-Xiong; Tang You-Qi
• Subramanian et al. found superconductivity at 80 K in Tl_(0.5)Pb_(0.5)Sr_2CaCu_2O_y sample with YBa_2 Cu_3 O_(7-δ)-like ...
• 1990, 6 (03): 259-262. DOI: 10.3866/PKU.WHXB19900302

• 4960Abstract/Metrics
• 2400 PDF(3820KB)

• Study on Dispersion Speed and Mechanism of MoO₃ and CuCl on the Surface of γ-Al₂O₃
• Xu Xian-Ping; Xie You-Chang; Zhao Bi-Ying; Tang You-Qi
• It has been shown that many oxides and salts can disperse spontaneously onto supports with large surface area~[1]. A typ...
• 1990, 6 (03): 263-268. DOI: 10.3866/PKU.WHXB19900303

• 3520Abstract/Metrics
• 2406 PDF(4360KB)

• Theory of Microring Electrodes
• Liu Xiao-Ping; Lu Jun-Tao; Zha Chuan-Sin
• In this work, expressions for concentration and current in steady-state and tran-sient-state experiments are given for m...
• 1990, 6 (03): 269-271. DOI: 10.3866/PKU.WHXB19900304

• 3777Abstract/Metrics
• 2485 PDF(2127KB)

ARTICLE

• Binding Energies of Transition Metal Clusters Measured with Photodissociation
• Zheng Lan-Sun; Yang Shi-He
• The binding energies of transition metal clusters have been measured as functions of cluster size and composition at fir...
• 1990, 6 (03): 272-276. DOI: 10.3866/PKU.WHXB19900305

• 4201Abstract/Metrics
• 2271 PDF(4635KB)

• The Crystal Structure of Trithiophene TCNQ Complex——The Application of MM Method and Computer Graphic Technique in the Determination of Crystal Structure
• Qian Min-Xie; Cao Yong; Fu Heng; Tang You-Qi; Zhang Fu-Gui
• In the crystal of title complex, the orientation of trithiophene is disorderdered. The determination of the crystal stru...
• 1990, 6 (03): 277-282. DOI: 10.3866/PKU.WHXB19900306

• 4066Abstract/Metrics
• 2568 PDF(4368KB)

• The Investigation of Dynamic Process of Daul Retention Mechanism in RP-HPLC
• Zhang Yu-Kui; Zou Han-Fa; Lu Pei-Chang
• The mass balance model of daul retention mechanism in RP-HPLC is established based on the theory of mass transfer. The f...
• 1990, 6 (03): 283-289. DOI: 10.3866/PKU.WHXB19900307

• 4613Abstract/Metrics
• 2630 PDF(4989KB)

• The Study on the Surface Interaction Between MoO₃ and NaY and Mordenite
• Yang Kong-Zhang; Wang Ya-Juan; Dong Yu-Lin
• Crystalline MoO_3 and supports NaY, mordenite are mixed thoroughly, and the mixtures are calcined at 450 ℃ for 24 hours....
• 1990, 6 (03): 290-297. DOI: 10.3866/PKU.WHXB19900308

• 4325Abstract/Metrics
• 2285 PDF(6212KB)

• The Kinetics of α-Hydroxyethyl Radical in the Radiolysis of Ethanol-Styrene System
• Zhang Xu-Jia; Wu Ji-Lan; Ha Hong-Fei
• The variations of the G value of the major products (H_2, CH_3CHO, (CH_3CHOH)_2) of the γ-radiolysis of liquid ethanol w...
• 1990, 6 (03): 298-302. DOI: 10.3866/PKU.WHXB19900309

• 4159Abstract/Metrics
• 2213 PDF(3134KB)

• Study on Intermediates for Electro-Oxidation of Tetrahydrofuran on Platinum Anode
• Li Zuo-Jun; Lv Jia-Gen; Wu Cai-Ming
• Using potential sweep and potential-time sequence techniques, we have studied the adsorbed intermediates for the electr...
• 1990, 6 (03): 303-307. DOI: 10.3866/PKU.WHXB19900310

• 4309Abstract/Metrics
• 2503 PDF(4173KB)

• Enhancement Effect of Translational Energy on Laser Induced Gas-Surface Etching Reactions
• Li Yu-Lin; Qin Qi-Zong
• The enhancement effect of translational energy of incident molecules on the laser induced gas-surface reactions is studi...
• 1990, 6 (03): 308-312. DOI: 10.3866/PKU.WHXB19900311

• 4024Abstract/Metrics
• 2143 PDF(4698KB)

• Voltammetric Study on Transfer of ReO^-₄, IO^-₄ and MnO^-₄ Anions Across the Water/Nitrobenzene Interface
• Wang Er-Kang; Sun Zhi-Sheng
• The transfer of ReO_4~-, IO_4~- and MnO_4~- anions across the water/nitrobenzene interface was investigated by cyctic vo...
• 1990, 6 (03): 313-317. DOI: 10.3866/PKU.WHXB19900312

• 3905Abstract/Metrics
• 2183 PDF(3396KB)

• An In-Situ FTIR Reflection-Absorption Spectroscopic Study of Water on and Near Pt Electrode Surface
• Zhang Jiu-Jun; Lu Jun-Tao; Zha Chuan-Sin; Feng Zi-Gang
• The behaviour of the water on and near the electrode surface in 1.0 mol·dm~(-3) NaF were studied using in-situ FTIR refl...
• 1990, 6 (03): 318-322. DOI: 10.3866/PKU.WHXB19900313

• 4498Abstract/Metrics
• 2349 PDF(4360KB)

• Adsorption of Sulfoxides on Solid From Aqueous Solutions III. The Adsorption on Carbon Black
• Zhu Bu-Yao; Zhao Xiao-Lin
• The adsorption amounts of decylmethylsulfoxide (DEMS) at aqueous solution/carbon black interface and the contact angles ...
• 1990, 6 (03): 323-328. DOI: 10.3866/PKU.WHXB19900314

• 4252Abstract/Metrics
• 2511 PDF(4662KB)

• The Fluorescence Quenching of 9,10-Dicyanoan-Thracene by Campholenic Aldehyde in Different Solvents
• Wang Duo-Yuan; Xue Ming; Shou Han-Sen
• According to the fluorescence quenching behaviors and the estimated value of free energy change, as well as the coincide...
• 1990, 6 (03): 329-333. DOI: 10.3866/PKU.WHXB19900315

• 3820Abstract/Metrics
• 2196 PDF(4021KB)

• A Study on the Photophysical Behaviors of Thioxanthone Photosensitizer
• Wu Shi-Kang; Burr, D.; Fouassier, J.P.
• In this work, the photochemical behaviors of some novel Thioxanthone compounds have been studied. The photochemical prob...
• 1990, 6 (03): 334-340. DOI: 10.3866/PKU.WHXB19900316

• 4085Abstract/Metrics
• 2208 PDF(5306KB)

• Studies on the Polarographic Behaviors of Nuclear Fast Red and the Rare Earth(III)-Nuclear Fast Red System
• Min Jing; Li Nan-Qiang
• In acidic or basic buffer solution, nuclear fast red (NFR) exhibits an adsorptive wave. The electrode processes have bee...
• 1990, 6 (03): 341-346. DOI: 10.3866/PKU.WHXB19900317

• 4370Abstract/Metrics
• 2383 PDF(4049KB)

Note

• Surface Dispersion Studies of Bifunctional NiO-MoO₃/γ-Alumina Catalyst by EXAFS
• Jin Xiang-Lin; Ge Zhi-Hong; Chen Bao-Xin; Zhao Ya-Qin; Lu Kun-Quan
• The surface dispersion of bifunctional NiO-MoO_3/γ-alumina catalysts prepared by different procedures was studied with N...
• 1990, 6 (03): 347-349. DOI: 10.3866/PKU.WHXB19900318

• 4160Abstract/Metrics
• 2226 PDF(2738KB)

• A Study of the Stability of SiO₂ Colloidal Dispersion
• Li Ning; Zheng Zhong
• The theory of the stability of SiO_2 colloid in different electrolyte (NaCl) concen-tration was studied. It was found th...
• 1990, 6 (03): 350-353. DOI: 10.3866/PKU.WHXB19900319

• 3616Abstract/Metrics
• 2326 PDF(2744KB)

• The Extrapolation of Rate Constants for Reaction of O(³P) with Ketones Using Transition-State Theory
• Chen Cong-Xiang; Chen Kai-Qi
• Conventional transition-state theory is used for extrapolating rate constant of reactions of O(~3P) atom with ketones to...
• 1990, 6 (03): 354-359. DOI: 10.3866/PKU.WHXB19900320

• 3469Abstract/Metrics
• 2362 PDF(4482KB)

• Pulsed,Time-Resolved Photoacoustic Calorimetry for Optically Thick Solutions
• Lu Qing-Zheng; Melton Lynn A.
• A sandwich quartz cell is designed and a flow system is set up for photoacoustic calorimentry measurements in the case o...
• 1990, 6 (03): 360-363. DOI: 10.3866/PKU.WHXB19900321

• 3626Abstract/Metrics
• 2598 PDF(3829KB)

• The Study on the Electrocatalytic Mechanism of Adatoms-The Electrocatalytic Properties of Pb and Cd Adlayer on Pt(100) in Formic Acid Oxidation
• Sun Shi-Gang
• In this work a modified adsorption method was used to form firstly a saturated Cd or Pb adlayer on platinum single cryst...
• 1990, 6 (03): 364-370. DOI: 10.3866/PKU.WHXB19900322

• 4279Abstract/Metrics
• 2471 PDF(5423KB)

• Conformational Analysis of Coordination Compound:Bis(1,2-Ethanediamine)(2-Aminoethyl)-Cobalt(III)
• Li Wei; Fu Heng
• The CFF method is used on the conformational analysis of the title complex. Eight possible isomers are treated, their mi...
• 1990, 6 (03): 371-374. DOI: 10.3866/PKU.WHXB19900323

• 3765Abstract/Metrics
• 2269 PDF(2988KB)

• The Dynamics of the Molecular Beam Reactions Ba+C₂H₅Br、n-C₃H₇Br、1,2-C₂H₄Br₂、1,3-C₃H₆Br₂
• Han Ke-Li; Mo Yu-Xiang; He Guo-Zhong; Lou Nan-Quan
• Under single-collision beam-gas scattering conditions the reactions Ba+ C_2H, Br、n-C_3H_7Br、1, 2-C_2H_4Br_2、1,3-C_3H_6Br...
• 1990, 6 (03): 375-380. DOI: 10.3866/PKU.WHXB19900324

• 4184Abstract/Metrics
• 2260 PDF(4542KB)