Communication

• EXCHANGING METHOD FOR VLE DETERMINATION
• Zhou Xingfeng; Han Shijun
• Based on the principle of flow method, a new method for measuring VLE data without analytical determination of compositi...
• 1987, 3 (03): 225-226 DOI: 10.3866/PKU.WHXB19870301

• 1683Abstract/Metrics
• 2059 PDF(783KB)

• STUDY ON SEUDO-STATIC METHOD FOR VLE DETERMINATION IN DILUTE CONCENTRATION REGION
• Zhou Xingfeng; Han Shijun
• Based on the error equation of ebulliometry~[1]ε≡x_0-x/x=(k-1)/1+r(r+a) (1) three type of newly developed ebulliometers,...
• 1987, 3 (03): 227-228 DOI: 10.3866/PKU.WHXB19870302

• 1762Abstract/Metrics
• 1983 PDF(808KB)

ARTICLE

• THE UV PHOTOLYSIS AND THE MULTIPHOTON IONIZATION OF HYDRIDES OF GROUP VA ELEMENTS
  I. UV LASER PHOTOLYSIS OF NH₃
• Ni Tuqiang; Yu Shuqin; Ma Xingxiao; Kong Fanao
• The NH(A ~3Π)→X ~3∑~-)) fluorescence spectrum, of 331-343 nm, wavelength region was recorded when NH_3 was irradiated by...
• 1987, 3 (03): 229-236 DOI: 10.3866/PKU.WHXB19870303

• 1914Abstract/Metrics
• 1762 PDF(2767KB)

• X-RAY PHOTOELECTRON SPECTROSCOPY STUDY OF SURFACE SEGREGATION OF Sb-Fe MIXED OXIDE CATALYSTS DURING HEAT
• Hu Gang
• The surface composition of antimony-iron mixed oxide catalysts has been foundto be dependent upon heat treatment, the su...
• 1987, 3 (03): 237-241 DOI: 10.3866/PKU.WHXB19870304

• 1831Abstract/Metrics
• 1921 PDF(1744KB)

• IR STUDY ON COAL PYROLYSIS
• Wang Li; Fen Guanging; Yang Huixing
• The groups, OH, CH_2, CH_3, C—O—C etc. in fat coal from Feng-Feng in He-Bei province has been examined. The disappearanc...
• 1987, 3 (03): 242-247 DOI: 10.3866/PKU.WHXB19870305

• 1843Abstract/Metrics
• 1831 PDF(1855KB)

• STUDIES OF THE PRODUCTION OF IF (B³Π₀⁺) IN THE SUPERSONIC F-F₂-IF AND NH₃ STREAMS
• Zhuang Qi; Huang Ruiping; Cui Tieji; Yuan Qinian; Sang Fengting; Zhang Cunhao
• Iodine monofluoride is a potential visible lasing medium due to its ease of emission on IF(B→X) transition in 450-750 nm...
• 1987, 3 (03): 248-251 DOI: 10.3866/PKU.WHXB19870306

• 1985Abstract/Metrics
• 1840 PDF(1377KB)

• THE CALORIMETRIC DEVICE FOR MEASUREMENT OF DIFFERENTIAL HEAT OF ADSORPTION IN GAS/SOLID SYSTEM
• Liu Xianyou; Zhou Lixing; Yin Anxue; Chen Shuxia; Zheng Lubin
• In this paper, high temperature calorimeter which is France SETARAM has been modified and introduced, Differential heats...
• 1987, 3 (03): 252-257 DOI: 10.3866/PKU.WHXB19870307

• 2080Abstract/Metrics
• 1805 PDF(2070KB)

• APPLICATION OF A SCALED PARTICLE THEORY TO POLAR SOLUTE SYSTEM AND CALCULATION OF THE SALT EFFECT CONSTANT
• Xie Wenhui; Yang Weitao
• In 1970, W. L. Masterton and T. P. Lee applied the scaled particle theory to nonpolar solute system, and drived an appli...
• 1987, 3 (03): 258-264 DOI: 10.3866/PKU.WHXB19870308

• 1913Abstract/Metrics
• 1886 PDF(1977KB)

• STUDIES ON THERMODYNAMIC PARAMETERS OF COORDINATION REACTIONS IN MOLYBDENUM(Ⅵ)-L-ASPARAGINE AND MOLYBDENUM (Ⅵ)-L-ASPARTIC ACID SYSTEMS
• Shen Zhenwen; Xu Haihan; Chen Ziyuan
• The maximum coordination number of complex of molybdenum (Ⅵ) with L- Asparagine has been determined by polarimetry. The ...
• 1987, 3 (03): 265-271 DOI: 10.3866/PKU.WHXB19870309

• 1879Abstract/Metrics
• 1924 PDF(2193KB)

• MEASUREMENT OF pK VALUES OF ORTHO-HYDROXY-BENZOPHENONE UV-ABSORBERS
• Ye Ling; Zhu Qinqin; Wu Shikang
• In this paper the pK values of both commonly commercial UV-absorbers-2-hydroxy-4-methoxy-benzophenone (UV-9) and 2,4-dih...
• 1987, 3 (03): 272-277 DOI: 10.3866/PKU.WHXB19870310

• 2184Abstract/Metrics
• 1794 PDF(2004KB)

• KINETICS OF THE AEROBIC OXIDATION OF ASCORBIC ACID CATALYZED BY Cu (Ⅱ) AND ITS POLYAMINE CHELATES
• Chen Guangping; Pang Yihui
• The kinetics of aerobic oxidation of ascorbic acid(H_2A) catalyzed by Cu(Ⅱ) and its polyamine chelates, of which chelate...
• 1987, 3 (03): 278-285 DOI: 10.3866/PKU.WHXB19870311

• 1962Abstract/Metrics
• 1797 PDF(2549KB)

• THE STUDY OF ELECTROREDUCTIVE MECHANISM OF IODATE BY USING ROTATING RING-DISK ELECTRODE
• Gu Dengping; Li Haiying
• The electroreduction of low concentration iodate in H_2SO_4 was studied on the platinum electrode. The intermediate I_2 ...
• 1987, 3 (03): 286-291 DOI: 10.3866/PKU.WHXB19870312

• 1854Abstract/Metrics
• 1709 PDF(1896KB)

• STUDY ON THE DIELECTRICSPECTRA OF DOPED OCTAHEDRAL AgBr EMULSIONS——THE EFFECT OF I^- IONS
• Cheng Humin
• The monodispersive octchedral AgBr (0.8 μm) emulsion was prepared by the double-jet method. After doping I~- (1×10~(-3)-...
• 1987, 3 (03): 292-297 DOI: 10.3866/PKU.WHXB19870313

• 1790Abstract/Metrics
• 2031 PDF(2141KB)

• INVESTIGATION OF CT-COMPLEXATION AMONG HOMOLOGOUS ELECTRON DONORS AND HOMLOGOUS ACCEPTORS Ⅱ. GEOMETRICAL MATCH EFFECT
• Chiang Mingchien; Hu Weixiao*
• During the investigation of the relative orientation between donor and acceptor in weak CT-complexes, it has been notice...
• 1987, 3 (03): 298-305 DOI: 10.3866/PKU.WHXB19870314

• 1930Abstract/Metrics
• 1841 PDF(2468KB)

• CNDO CALCULATIONS FOR DECOMPOSITION OF FORMALDEHYDE ON Ni (110) SURFACE
• Guo Guolin; Shang Zhenhai; Tang Youqi
• CNDO calculations for decomposition of formaldehyde on Ni(110) surface are carried out. The adsorption models of formald...
• 1987, 3 (03): 306-312 DOI: 10.3866/PKU.WHXB19870315

• 1886Abstract/Metrics
• 1837 PDF(2103KB)

• RELATIONSHIP BETWEEN PEAK HEIGHT,PEAK TEMPERATURE AND ACTIVATION ENERGY OF DESORPTION IN TPD SPECTRUM OF FIRST ORDER DESORPTION KINETICS
• Yang Shangrun
• A consulting table method (CTM) of determining E_d according to T_m and h_m is presented. A relationship, which is the b...
• 1987, 3 (03): 313-320 DOI: 10.3866/PKU.WHXB19870316

• 2340Abstract/Metrics
• 1943 PDF(2513KB)

Note

• THE APPLICATION OF STANDARDLESS METHOD IN X-RAY QUANTITATIVE PHASE DETERMINA-TION FOR SURFACE DISPERSION STUDIES ON V₂O₅-TiO₂ SYSTEM
• Liu Zuqin; Chen Liqing; Yang Xiaosong
• The standardless simultaneous equation method with regression analysis of multi specimens in quantitative phase determin...
• 1987, 3 (03): 321-325 DOI: 10.3866/PKU.WHXB19870317

• 1818Abstract/Metrics
• 1881 PDF(1539KB)

• ACTIVITY COEFFICIENT OF BENZENE AND n-HEXANE IN METHANOL SALT SOLUTIONS AT 298 K
• Ni Chaoshuo; Yu Lian; Liu Ruilin
• The activity coefficients of benzene and n-hexane in solutions of LiCl, NaBr and NH_4Br in methanol were measured at 298...
• 1987, 3 (03): 326-329 DOI: 10.3866/PKU.WHXB19870318

• 2417Abstract/Metrics
• 1927 PDF(1453KB)

• THE PHOTOELECTRIC EFFECT OF POLYCARBONATE MEMBRANE CONTANING CdS
• H.Ti Tien; Bi Zhichu
• CdS deposited polycarbonate membranes were made by a very simple way: separation of a Lucite cell into two compartments ...
• 1987, 3 (03): 330-333 DOI: 10.3866/PKU.WHXB19870319

• 1816Abstract/Metrics
• 1756 PDF(1378KB)

• FORMATION MECHANISM OF TmI₂ IN Tm-HgI₂ SYSTEM
• Wang Shihua; Gu Yaping; Jiang Shengbang
• Formation mechanism of TmI_2 in Tm-HgI_2 system was studied by DTA and X-ray powder diffraction technique. Experimental ...
• 1987, 3 (03): 334-336 DOI: 10.3866/PKU.WHXB19870320

• 1770Abstract/Metrics
• 1790 PDF(1063KB)