Communication

• THE QUANTITATIVE CALCULATION OF ELECTROSTATIC EFFECT ON THE pK_a OF ACTIVE SITE RESIDUES IN ENZYMES
• Lai Luhua; Luo Yu; Xu Xiaojie*; Shao Meicheg; Tang Youqi
• Kirkwood theory was applied to investigate the influence of substituting surface charged groups in protein engineering o...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 385-387. DOI: 10.3866/PKU.WHXB19890401

• 4912Abstract/Metrics
• 2145 PDF(1170KB)

• ENERGY TRNANSFER IN IR MPD CF₂HCI
• Xi Ning; Gu Zhennan*
• The infrared multiphoton dissociation (IR MPD) of CF_2HCl by measuring the C_2F_4 product after laser irradiation is inv...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 388-391. DOI: 10.3866/PKU.WHXB19890402

• 4883Abstract/Metrics
• 2286 PDF(1400KB)

• THE CONFORMATIONAL ANALYSIS OF 4′-R-3,3-DIALKYLPHENYL-TRIAZENES ON ANTITUMOR POTENCY
• Fan Xiaoling; Zhu Minhui*; Fu Heng
• Using the MMPI program and 3-D high resolution molecular modeling system, a preliminary structure-activity relationship ...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 392-394. DOI: 10.3866/PKU.WHXB19890403

• 4267Abstract/Metrics
• 2379 PDF(1311KB)

• PHOTOCHEMISTRY OF HETEROCYCLES——Ⅺ. STUDIES OF PHOTOREACTION OF 1,3-DIMETHYL6-AZATHYMINE WITH ACETONE
• Guo Yan; Fan Ping; Fan Meigong*
• Acta Phys. -Chim. Sin. 1989, 5 (04), 395-397. DOI: 10.3866/PKU.WHXB19890404

• 4813Abstract/Metrics
• 2207 PDF(1061KB)

ARTICLE

• THE CONFORMATIONAL ANALYSIS AND REACTION MECHANISM FOR HOFMANN ELIMINATION OF QUATERNARY AMMONIUM HYDROXIDES
• Xu Xiaojie*; Yao Zhengui; Ye Xiulin; Tang Youqi; Fu Heng; Qian Minxie
• It is known that there are many examples of the thermal elimination of quaternary ammonium hydroxides which do not follo...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 398-402. DOI: 10.3866/PKU.WHXB19890405

• 6177Abstract/Metrics
• 2280 PDF(1644KB)

• DETERMINATION OF ψ_δ AND ψ_d ON CLAY COLLOID SURFACE WITH OVERLAPPING ELECTRIC DOUBLE LAYER
• Jiang Xin*; Xue Jiahua; Lin Huahua
• An anion negative adsorption equation in the clay colloid suspension of overlapping flat double layer has been derived a...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 403-408. DOI: 10.3866/PKU.WHXB19890406

• 5317Abstract/Metrics
• 2240 PDF(1998KB)

• IN-SITU FTIR REFLECTION-ABSORPTION SPECTROSCOPIC STUDIES OF CYANIDE ON PLATINUM ELECTRODES
• Zhang Jiujun*; Ln Juntao; Cha Chuansin; Feng Zigang
• The behaviors of cyanide ions on platium electrode were studied using cyclic voltammetry and in-situ FTIR spectroelectro...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 409-414. DOI: 10.3866/PKU.WHXB19890407

• 4921Abstract/Metrics
• 2301 PDF(2004KB)

• HYDROPHOBIC EFFECTS ON PHOTOPHYSICAL AND PHOTOCHEMICAL PROCESSES——Ⅷ. AGGREGATION AND FLUORESCENCE SPECTRA OF LONG CHAIN N-ALKYLINDOLES IN POOR SOLVENTS
• Tung Cheho*; Zhen Zhen; Liu Jingyao
• The fluorescence spectra of N-alkylindoles and 3-methyl-N-alkylindoles with various chain lengths in dimethyl sulfoxide-...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 415-419. DOI: 10.3866/PKU.WHXB19890408

• 4694Abstract/Metrics
• 2118 PDF(1832KB)

• RESTRICTED SCF CNDO/2 METHOD
• Guo Chunxiao*; Gao Zhiming
• In this paper restricted open shell CNDO/2 (RHF) method was developed to calculate open shell molecular. Program has bee...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 420-426. DOI: 10.3866/PKU.WHXB19890409

• 4982Abstract/Metrics
• 2358 PDF(2270KB)

• STUDY OF ANODIC FILM ON ALUMINIUM BY USING POSITRON ANNIHILATION LIFETIME SPECTROSCOPY
• Yao Shibing*; Zhang Zhiliang; Zhou Shaomin; Fang Jiangling
• The anodic oxidation of annealed pure aluminium (99.99%) was carried out in 15% H_2SO_4 at different electrolytic condit...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 427-431. DOI: 10.3866/PKU.WHXB19890410

• 4772Abstract/Metrics
• 2063 PDF(1898KB)

• BEAM-GAS CHEMILUMINESCENT REACTIONS OF Sr(¹S) AND Sr(³P)+ Cl₂
• Li Fu-e; Wang Zhiyu; Peng Lianshun; Liu Haisheng; Lu Richang; He Guozhong; Lou Nanquan
• The CL reactions of Sr(~1S), Sr(~3P)+Cl_2 have been studied under single collision condition on a beam-gas apparatus in ...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 432-437. DOI: 10.3866/PKU.WHXB19890411

• 5110Abstract/Metrics
• 2212 PDF(1941KB)

• QUANTUM CHEMISTRY STUDIES OF HYDROGENBONDED DIMERS OF HCN, HNC AND H₂O
• Wang Shuguang*; Pan Daokai; Yuan Shengang
• The four Hydrogen-Bonded systems of C≡N—H…OH_2, N≡C—H…OH_2 and H—N≡C…H—OH,H—C≡N…H—OH have been studied with ab initio LC...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 438-445. DOI: 10.3866/PKU.WHXB19890412

• 6308Abstract/Metrics
• 2635 PDF(2535KB)

• ON PHYSICAL IMPLICATION OF ROTATION OF IMPEDANCE SEMICIRCLE FOR METAL ELECTRODES COVERED WITH SURFACE FILM
• Zhang Yali; Wu Bingliang*; Cha Chuansin
• A.C. impedance plot often shows rotation of semicircle it, complex plane, i.e. the centre of semicircle locates below re...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 446-451. DOI: 10.3866/PKU.WHXB19890413

• 5360Abstract/Metrics
• 2443 PDF(1923KB)

• IN-SITU STUDY ON ESR SIGNAL AND PROPERTIES OF POLYPARAPHENYLENE BY ELECTROCHEMICAL POLYMERIZATION
• Ma Fuyuan; Chen Yanzhen*; Tian Zhaowu; Lu Juntao
• The conducting polymer, polyparaphenylene (PPP), can be electrochemically polymerized in concentrated sulphric acid. The...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 452-456. DOI: 10.3866/PKU.WHXB19890414

• 4738Abstract/Metrics
• 2673 PDF(2003KB)

• STUDIES ON ACTIVITY COEFFICIENTS OF NAPHTHALENE IN AQUEOUS SALT SOLUTIONS(Ⅴ)
• Li Wanjie**; Xie Wenhui*
• The activity coefficients f of naphthalene in the aqueous salt solution were determined at 25 ℃ by spectrophotometer. Th...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 457-462. DOI: 10.3866/PKU.WHXB19890415

• 5384Abstract/Metrics
• 2109 PDF(2093KB)

• PULSED LASER PHOTOACOUSTIC CALORINETER AND THE DIRECT HEASUREMENTS OF RADIATIONLESS QUANTUM YIELDS OF COUMARINS
• Song Xiaoqing*; Chen Jianxin; Zhang Xingkang; Xu Guangzhi; Tang Youqi
• A high sensitive pulsed laser photoacoustic calorimeter for liquid sample has been set up in our laboratory. Using this ...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 463-468. DOI: 10.3866/PKU.WHXB19890416

• 3915Abstract/Metrics
• 2032 PDF(1894KB)

Note

• A THEORETICAL STUDY OF THE CHEMISORPTION OF NH₃ ON Ni (111) SURFACES
• Yu Hengtai*; Ding Yu; Cui Changxin
• The bonding and configuration of the chemisorption of NH_3 at the on-top and hollow sites of Ni(111) surfaces are calcul...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 469-473. DOI: 10.3866/PKU.WHXB19890417

• 3937Abstract/Metrics
• 2286 PDF(1684KB)

• THE SYNTHESIS AND CRYSTAL STRUCTURES OF Ag⁺ Cu⁺ CLUSTER COMPOUNDS
• Zhang Hanhui*; Yu Xiufen
• (Me_4N)_6 (Ag_6(S_2C=C(CN)_2)_6) H_2O(Ⅰ), (Et_4N)_4 (Cu_8(S_2C=C(CN)_2)_6)(Ⅱ) and (Me_N)_4(Cu_5Ag_3(S_2C=(CN)_2)_6H_2O (...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 474-478. DOI: 10.3866/PKU.WHXB19890418

• 4802Abstract/Metrics
• 2122 PDF(1750KB)

• SYNTHESIS AND STRUCTURE OF DI-PERCHLORATODI-ETHYLENE-TRI-AMINE-IMIDAZOLE-COPPER (Ⅱ) [Cu(ImH) (dien) (CLO₄)₂]
• Hu Shengzhi*; Shi Dashuang; Huang Youqing;Chen Dong; Tang Wenxia; Dai Anbong
• As part of our study of the structure-properties of the active centre in the superoxide dismutase, the title compound wa...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 479-482. DOI: 10.3866/PKU.WHXB19890419

• 4701Abstract/Metrics
• 2176 PDF(1387KB)

• A STUDY OF DIFFUSION PROCESS AT n-InP/SOLUTION INTERFACE UNDER IRRADIATION WITH IMPEDANCE
• Zhang Qianwen*; Qian Daosun
• In this paper impedance of n-InP in Fe~(3+)/Fe~(2+) solution is determined. The impedance at low frequencies in accord w...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 483-486. DOI: 10.3866/PKU.WHXB19890420

• 4110Abstract/Metrics
• 2208 PDF(1173KB)

• DETERMINATION OF STANDARD ENTHALPIES OF VAPORIZATION AND SUBLIMATION OF THREE DICHLOROBENZENES
• An Xuwu*; Zheng Xiaolin
• By using an LKB 8721-3 vaporization calorimeter, enthalpies of vaporization of o-and m-dichlorobenzenes and enthalpy of ...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 487-491. DOI: 10.3866/PKU.WHXB19890421

• 4969Abstract/Metrics
• 2113 PDF(1591KB)

• OSCILLATING BEHAVIOUR INDUCED BY THE PHOTOCHEMICAL DECOMPOSITION OF DILUTE VITAMIN C SOLUTIONS
• Lin Zhixin; Huang Thomas T.-S
• We found that the photochemical reaction of dilute vitamin C solution is zero order at stirring. While nonstirring using...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 492-495. DOI: 10.3866/PKU.WHXB19890422

• 5314Abstract/Metrics
• 2229 PDF(1393KB)

• THE APPLICATION OF THE SCALED PARTICLE THEORY IN EXTRACTION CHEMISTRY——Ⅰ. THE CALCULATION OF PARTITION CONSTANT OF INERT GASES
• Gao Hongcheng
• This paper considers the extraction process to consist of two steps: (1) the creation of a cavity in the solvent of suit...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 496-498. DOI: 10.3866/PKU.WHXB19890423

• 4154Abstract/Metrics
• 2336 PDF(1057KB)

• A STUDY OF ELECTROCHEMICAL OXIDATION OF VITAMIN E
• Li Benle*; Dong Lin; Chen Chunhua; Shen Baoen
• In this paper, the mechnism of the electrochemical oxidation of vitamin E in acetonitrile and ethanol solvents was studi...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 499-503. DOI: 10.3866/PKU.WHXB19890424

• 4425Abstract/Metrics
• 2162 PDF(1660KB)

• THE MEASUREMANT OF THE ACIDITY FUNCTION H₀ OF PERFLUOROOCTANESULFONIC ACID
• Fu Xiangkai*; He Mingqian; Zhou Chengbang; Zeng Guorong
• It is reported in this paper that the acidity function H_0 of perfluorooctanesulfonic acid (POSA) is -12.11±0.03, which ...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 504-506. DOI: 10.3866/PKU.WHXB19890425

• 4380Abstract/Metrics
• 2160 PDF(1195KB)

• DV-X_α STUDY OF BENZENE CHEMISORPTION ON THE Rh(111) SURFACE
• Cao Yang*; Wang Youliang
• The chemisorption of benzene on the Rh(111) surface is calculated using DVX_a method. The electronic structure, the grou...
• Acta Phys. -Chim. Sin. 1989, 5 (04), 507-510. DOI: 10.3866/PKU.WHXB19890426

• 4524Abstract/Metrics
• 2137 PDF(1499KB)