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Acta Phys. -Chim. Sin.
Acta Phys. -Chim. Sin.
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中文
Current Issue
1987 Vol. 3,No. 06
Published: 15 December 1987
Current column
Communication
ARTICLE
Note
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
3736
Abstract/Metrics
2019
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
4758
Abstract/Metrics
2251
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
4138
Abstract/Metrics
2316
PDF(1257KB)
ARTICLE
SYNTHESIS AND CRYSTAL STRUCTURE OF 4[CuCl(C
5
H
5
N)
4
]·[W
10
O
32
]·2(C
5
H
5
N)·3H
2
O
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
5088
Abstract/Metrics
2023
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
4169
Abstract/Metrics
2220
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
4526
Abstract/Metrics
1930
PDF(1907KB)
THE CHEMILUMINESCENT STUDIES OF THE REACTIONS OF Pb WITH DISCHARGED OXYGEN, O
2
(
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
3801
Abstract/Metrics
2225
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
3804
Abstract/Metrics
2115
PDF(2017KB)
CRYSTAL STRUCTURE OF Fe-S CLUSTER COMPLEX (
μ
-MeS)[
μ
-Fe(CO)
2
CpS]Fe
2
(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
4682
Abstract/Metrics
2068
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
4102
Abstract/Metrics
2222
PDF(1914KB)
TRANSITION STATE THEORY CALCULATIONS ON SELECTED-STATE REACTION CROSS SECTIONS OF H+O
2
(
n
0
,
j
0
)→HO+O AND C+H
2
(
n
0
,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
5174
Abstract/Metrics
2098
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
4004
Abstract/Metrics
1992
PDF(1754KB)
A STUDY OF METAL-SEMICONDUCTOR CATALYST:HYDROGEN SPILLOVER ON Pt/SnO
2
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
4475
Abstract/Metrics
2090
PDF(2164KB)
THE RELATION OF
15
N NMR,
1
H 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
3866
Abstract/Metrics
2468
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
3471
Abstract/Metrics
2180
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
3694
Abstract/Metrics
1972
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
4098
Abstract/Metrics
2053
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
4423
Abstract/Metrics
2159
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
4546
Abstract/Metrics
1958
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
4700
Abstract/Metrics
1947
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
4616
Abstract/Metrics
2038
PDF(1413KB)