Communication

• STUDIES ON THE CONFORMATIONAL ENERGIES OF INSULIN B-CHAIN HELIX
• Niu Liwen; Liang Dongcai; Zhang Fugui; Zhu Minhui
• In this paper the energies of six X-ray crystallographic conformations of insulin B-chain helix have been analysed preli...
• 1987, 3 (06): 561 -564 DOI: 10.3866/PKU.WHXB19870601

• 2139Abstract/Metrics
• 1949 PDF(1402KB)

• THE SECONDARY STRUCTURE AND TERTIARY STRUCTURE PREDICTION OF UROKINASE FRAGMENTS AND THEIR STRUCTURE-ACTIVITY RELATIONSHIP RESEARCH
• Xu Xiaojie; Guan Yue; Chen Zhongguo; Li Genpei; Luo Yu; Lai Luhua; Tang Youqi; Liu Jianning; Zhu Dexu
• Similar to other serine proteinases, the pertinent active site amino acids are preserved in urokinase and the amino acid...
• 1987, 3 (06): 565 -569 DOI: 10.3866/PKU.WHXB19870602

• 2653Abstract/Metrics
• 2195 PDF(1823KB)

• STUDIES OF THERMAL STABILITY OF SURFACE OXIDES FORMED AT DIFFERENT TEMPERATURES ON A SERIES OF TRANSITION-METAL FOILS
• Zhao Liangzhong
• XPS has been used to study the thermal stability of the surface oxides on transition-metal foils including Ni, Fe, Cu, T...
• 1987, 3 (06): 570 -572 DOI: 10.3866/PKU.WHXB19870603

• 2184Abstract/Metrics
• 2236 PDF(1257KB)

ARTICLE

• SYNTHESIS AND CRYSTAL STRUCTURE OF 4[CuCl(C₅H₅N)₄]·[W₁₀O₃₂]·2(C₅H₅N)·3H₂O
• Zhou Gongdu; Guo Yan; Zhang Shiwei; Tang Youqi
• The title compound has been synthesized by the reaction of (NH_4)_2WS_4 and CuCl_2·2H_2O in pyridine solution, 4[CuCl(C_...
• 1987, 3 (06): 573 -580 DOI: 10.3866/PKU.WHXB19870604

• 2724Abstract/Metrics
• 1957 PDF(2520KB)

• AN EXTENDED HUCKEL STUDY ON THE ELECTRONIC STRUCTURE OF TRIGONAL SELENIUM
• Cui Changxing; Jiang Yuansheng
• Tightly binding calculations have been performed on the linear screw chain as well as the three dimensional lattice of t...
• 1987, 3 (06): 581 -586 DOI: 10.3866/PKU.WHXB19870605

• 2308Abstract/Metrics
• 2085 PDF(2061KB)

• MEASUREMENTS OF THE POTENTIAL DIFFERENCE ACROSS THE Na-BETA ALUMINA/NaOH AQUEOUS SOLUTION INTERFACES
• Yang Huaquan; Mao Bing; Chen Bozhen; Yang Wenzhi
• EMF of the concentration cells of sodium beta alumina tubes in four aqueous solutions: NaOH, NaOH-KOH, NaOH-(CH_3)_4NOH ...
• 1987, 3 (06): 587 -591 DOI: 10.3866/PKU.WHXB19870606

• 2528Abstract/Metrics
• 1818 PDF(1907KB)

• THE CHEMILUMINESCENT STUDIES OF THE REACTIONS OF Pb WITH DISCHARGED OXYGEN, O₂(¹△)
• Liu Renzhang; Wang Shouzhi
• The chemiluminescent spectra of the reactions of Pb with discharged oxygen, O_2(1Δ), have deen measured in an atomic bea...
• 1987, 3 (06): 592 -598 DOI: 10.3866/PKU.WHXB19870607

• 2121Abstract/Metrics
• 2139 PDF(2148KB)

• CHARACTERIZATIONS OF POLYPYRROLE-FILM-MODIFIED ELECTRODES INCORPORATED WITH ANIONS OF TRANSITION-METAL COMPLEXES
• Zhong Chuanjian; Wang Shuiju; Wang Zhongquan; Tian Zhaowu
• A procedure is described whereby Fe(CN)_6~(n-) (n=3 or 4)-incorporated polypyr- role (PP) film can be formed on electrod...
• 1987, 3 (06): 599 -603 DOI: 10.3866/PKU.WHXB19870608

• 2144Abstract/Metrics
• 2018 PDF(2017KB)

• CRYSTAL STRUCTURE OF Fe-S CLUSTER COMPLEX (μ-MeS)[μ-Fe(CO)₂CpS]Fe₂(CO)₆
• Yao Xinkan; Song Licheng; Wang Honggen; Liu Ronggang; Wang Ruji; Wang Jitao
• The influences of the different substituents R~1 and R~2 on the structures of (μ-R~1S)(μ-R~2S)Fe_2(CO)_6 cluster complex...
• 1987, 3 (06): 604 -608 DOI: 10.3866/PKU.WHXB19870609

• 2664Abstract/Metrics
• 1993 PDF(1734KB)

• DETERMINATION OF DIFFUSION COEFFICIENTS OF METALS IN MERCURY BY POTENTIOMETRIC STRIPPING ANALSIS
• Ruan Xiangyuan; Zhou Tuenchi
• A new method called potentiometric stripping analysis (PSA)for determination of diffusion coefficients of metal in mercu...
• 1987, 3 (06): 609 -614 DOI: 10.3866/PKU.WHXB19870610

• 2244Abstract/Metrics
• 2166 PDF(1914KB)

• TRANSITION STATE THEORY CALCULATIONS ON SELECTED-STATE REACTION CROSS SECTIONS OF H+O₂(n₀, j₀)→HO+O AND C+H₂(n₀,J0)→CH+H
• Cai Zhengting; Feng Dacheng; Ju Guanzhi
• In this paper the reaction cross sections of H+O_2(n_0j_o)→HO+O and C+H_2(n_0j_0)→NCH+H systems with long-lived complex ...
• 1987, 3 (06): 615 -620 DOI: 10.3866/PKU.WHXB19870611

• 2633Abstract/Metrics
• 2027 PDF(1941KB)

• ESR SPECTRA STUDY OF SOME COPPER (Ⅱ)-ACIDIC PHOSPHATES (PHOSPHONATES) COMPLEXES IN SOLID STATE AND AT LOW TEMPERATURE
• Chen Deyu; Xu Yuanzhi; Zhou Chengming
• In the present paper ESR spectra of six acidic phosphates (phosphonates) co- pper (Ⅱ) complexes in solid state at room t...
• 1987, 3 (06): 621 -625 DOI: 10.3866/PKU.WHXB19870612

• 2109Abstract/Metrics
• 1933 PDF(1754KB)

• A STUDY OF METAL-SEMICONDUCTOR CATALYST:HYDROGEN SPILLOVER ON Pt/SnO₂ AT ROOM TEMPERATURE
• Rao Lingfen; Chen Yixuan; Li Wenzhao
• Hydrogen spillover and its effect on Pt/SnO, has been studied in comparison with carbon-monoxide. The catalyst used was ...
• 1987, 3 (06): 626 -631 DOI: 10.3866/PKU.WHXB19870613

• 2258Abstract/Metrics
• 1992 PDF(2164KB)

• THE RELATION OF ¹⁵N NMR, ¹H NMR CHEMICAL SHIFTS WITH THE ATOMIC NET CHARGE AND MOLECULAR STRUCTURES
• Chen Yuehua; Guo Guolin; Shen Qifeng; Zhao Yufen; Xi Shekang; Ji Gaijiao; Song Aiteng
• The acetyl, sulfonyl and phosphoryl are three amino protecting groups. The natural abundance ~(15)N-NMR of their derivat...
• 1987, 3 (06): 632 -637 DOI: 10.3866/PKU.WHXB19870614

• 2254Abstract/Metrics
• 2402 PDF(2159KB)

Note

• KINETICS OF ASCORBIC ACID OXIDATION CATALYSED BY Cu (Ⅱ)-TYROSINE COMPLEX
• Lu Chunsu; Yang Zhaopeng
• The kinetics of L-ascorbic acid (H_2A) oxidation catalysed by Cu(Ⅱ) -Tyrosine complex has been studied in phosphate buff...
• 1987, 3 (06): 638 -641 DOI: 10.3866/PKU.WHXB19870615

• 2085Abstract/Metrics
• 1941 PDF(1215KB)

• FOURIER TRANSFORM INFRARED STUDY ON THE HYDRATION OF POLYADENYLIC ACID (POLY A) Ⅱ. DYNAMIC HYDRATION AND DEHYDRATION PROPERTIES
• Yu Baozhu; Guo Hai; Wu Jinguang
• By taking the N_2 as the carrier gas, the water vapour varying with different relative humidities passed through a seale...
• 1987, 3 (06): 642 -647 DOI: 10.3866/PKU.WHXB19870616

• 1998Abstract/Metrics
• 1898 PDF(1947KB)

• STUDY ON THE MODIFICATION OF SEMICONDUCTOR PHOTOELECTRODE BY PLASMA POLYMERIZATION——POLYACRYLONITRILE/n-GaAs, n-GaP ELECTRODES
• Xu Songlin; Zhuang Qixing; Wu Liyun; Wu Zhenyao
• Polyacrylonitrile (PAN) film attached to n-GaAs, n-GaP photoelectrode surface by plasma polymerization has been studied....
• 1987, 3 (06): 648 -652 DOI: 10.3866/PKU.WHXB19870617

• 2158Abstract/Metrics
• 1983 PDF(1581KB)

• THE EFFECT OF PLATINUM PARTICLE SIZE ON HYDROGEN SPILLOVER IN THE SYSTEM OF PtNaY/HY
• Sheng Taicheng; Li Xiaoyan; Yang Kongzhang
• The effects of Pt particle size and vacuum grease on hydrogen spillover were studied by the exchange reaction of deuteri...
• 1987, 3 (06): 653 -657 DOI: 10.3866/PKU.WHXB19870618

• 2169Abstract/Metrics
• 2083 PDF(1718KB)

• RESEARCHES ON CHEMICALLY MODIFIED ELECTRODE ⅩⅤⅡ. Electrocatalytic Reduction of Dioxygen by Iron Tetraphenylporphyrins Modified Glassy Carbon Electrode with Heat Treatment
• Dong Shaojun; Jiang Rongzhong
• The heat treatment of iron tetraphenylporphyrin chemically modified glassy carbon electrode has been described. The modi...
• 1987, 3 (06): 658 -662 DOI: 10.3866/PKU.WHXB19870619

• 2135Abstract/Metrics
• 1886 PDF(1773KB)

• MOLECULAR AND CRYSTAL STRUCTURE OF THE 2,4,7-TRINITROFLUORENONE-1.6-DI-(N-CARBAZOLYL) 2,4-HEXADIYNE CHARGE-TRANSFER COMPLEX
• Yu Zhaolou; Zhu Naijue; Zhu Daoben
• The molecular and crystal structure of the cbarge-transfer complex formed between 2,4,7-trinitrofluorenone (TNF) and 1,6...
• 1987, 3 (06): 663 -667 DOI: 10.3866/PKU.WHXB19870620

• 2146Abstract/Metrics
• 1876 PDF(1537KB)

• ENTHALPIES OF VAPORIZATION OF α-AND β-PINENE
• An Xuwu; Hu Riheng; Wang Hu; Wu Mali; Zou Yongkuang
• The enthalpies of vaporization of α-Pinene (99.7%) and β-Pinene (99.7%) have been determined at 25.0 ℃ by using a LKB-87...
• 1987, 3 (06): 668 -671 DOI: 10.3866/PKU.WHXB19870621

• 2337Abstract/Metrics
• 1945 PDF(1413KB)