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Acta Phys. -Chim. Sin.
Acta Phys. -Chim. Sin.
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中文
Current Issue
1988 Vol. 4,No. 03
Published: 15 June 1988
Current column
Communication
ARTICLE
Note
Communication
LASER PHOTOFRAGMENTATION OF CH
3
SSCH
3
AT 248 nm
Peng Bo; Cao Jianru*; Wen Ye; Zhong Xian; Zhang Jianming; Gu Haogang; Fang Wanguan; Wu Xiaojun; Zhu Qihe
Photofragmentation of CH_3SSCH_3 at 248nm was studied by using rotatable pulsed molecular beam crossed with excimer lase...
1988, 4 (03): 225-228.
DOI: 10.3866/PKU.WHXB19880301
4526
Abstract/Metrics
2265
PDF(1489KB)
THE THERMOSTABILITY OF OXYGEN ATOMS AT DIFFERENT SITES IN THE CRYSTAL LATTICE OF HIGH-
T
C
SUPERCONDUCTOR Ba
2
YCu
3
O
6.92
Zhou Qinwei; Jiang Anren; Xie Quangen; Peng Ying; Liu Dingjiang; Deng Jingfa*
Studies on high-T_c superconductor Ba_2YCu_3O_(6.92) using thermogravimetry, temperature programmed decomposition, oxyge...
1988, 4 (03): 229-233.
DOI: 10.3866/PKU.WHXB19880302
4150
Abstract/Metrics
2158
PDF(2007KB)
FORMATION MECHANISM OF HIGH
T
C
SUPERCONDUTING PHASE YBa
2
Cu
3
O
7-
δ
Tang Youqi; Zhang Yufen*; Zheng Xiangmiao; Wei Chengquian; Lin Bingxiong
The Y-Ba-Cu mixed oxide system is obtained when any kinds of materials containing Y, Ba, Cu are heated at 850 ℃. when he...
1988, 4 (03): 234-238.
DOI: 10.3866/PKU.WHXB19880303
4667
Abstract/Metrics
2021
PDF(1794KB)
PREPARATION AND STRUCTURAL STUDY OF HIGH
T
C
SUPERCONDUTING PHASE LaBa
2
Cu
3
O
7-
δ
Zhang Yufen*; Zheng Xiangmiao; Zhu Wenjie; Lin Bingxiong; Tang Youqi
A stable orthorhombic superconduting phase LaBa_2Cu_3O_(7-δ), with T_c 82K and Meissner effect 13.6%, has been prepared ...
1988, 4 (03): 239-243.
DOI: 10.3866/PKU.WHXB19880304
3908
Abstract/Metrics
2091
PDF(1825KB)
ARTICLE
DYNAMIC
1
H NMR STUDIES OF SOLVENT EFFECT FOR BENZO-AZACROWN-ETHERS IN CDCl
3
SOLUTIONS
Zeng Jingcheng*; Shen Lianfang;
Lu Tianbao; Wu Chengtai
The influences (Dilution Shift Effect) of sample concentration on ~1H NMR spectra and spin-lattice relaxation times in b...
1988, 4 (03): 244-249.
DOI: 10.3866/PKU.WHXB19880305
5119
Abstract/Metrics
2437
PDF(2106KB)
NMR STUDY OF THE ADSORPTION OF HYDROCARBONS ON SEVERAL TYPICAL NATIVE CHARCOALS Ⅱ.
1
H NMR Study of Adsorbed Benzene, Cyclohexane,
n
-Pentane and
n
-Hexane
Du Youru*; Shen Lianfang; Kong Yuhua; Hu Aiguo
Adsorption and desorption of benzene, cyclohexane, n-pentane and n-hexane on four native charcoals were measured. The ad...
1988, 4 (03): 250-255.
DOI: 10.3866/PKU.WHXB19880306
5553
Abstract/Metrics
2298
PDF(2097KB)
THE REACTION CHANNELS AND FRAGMENT ENERGY DISTRIBUTIONS OF THE LASER PHOTOFRAGMENTATION OF C
2
H
5
I
Cao Jianru*; Wen Ye; Zhang Jianming; Qu Haogang; Zhong Xian; Fang Wanquan; Wu Xiaojun; Zhu Qihe
The translational and internal energy distributions of the photofragments for the processes C_2H_5I→C_2H_5+I~*(~2p_(1/2)...
1988, 4 (03): 256-261.
DOI: 10.3866/PKU.WHXB19880307
4185
Abstract/Metrics
2181
PDF(2303KB)
STUDIED ON THE SYNTHESIS OF ETHANOL FROM CO HYDROGENATION WITH THE TRANSIENT RESPONSE TECHNIQUE——ADSORPTIVE CHARACTERISTICS OF H
2
AND CO ON THE MODIFIED Rh/Al
2
O
3
CATALYSTS
Lu Yun; Liu Danchu*; Zheng Shengan
Quadrupole mass spectrometer was used in the transient response technique as an analytical tool. With this technique the...
1988, 4 (03): 262-266.
DOI: 10.3866/PKU.WHXB19880308
4186
Abstract/Metrics
2433
PDF(1870KB)
THE STUDY OF STRUCTURE AND PHASE CONTENT IN NiO/
α
-Al
2
O
3
CATALYST BY EXAFS
Chen Zhixue;
Zhao Yaqin; Lu Kunquan*
The structure and phase content in industrial catalyst NiO/α-Al_2O_3 before and after reaction were studied by EXAFS. Pa...
1988, 4 (03): 267-272.
DOI: 10.3866/PKU.WHXB19880309
4144
Abstract/Metrics
2104
PDF(2152KB)
POWDER MICROELECTRODE Ⅱ. IRREVERSIBLE ELECTROCHEMICAL REACTIONS
Li Changming*; Zha Quanxing
The behaviors of powder microelectrodes for irreversible reduction of oxygen and thionyl chloride were studied. The post...
1988, 4 (03): 273-278.
DOI: 10.3866/PKU.WHXB19880310
4888
Abstract/Metrics
2450
PDF(2154KB)
A STUDY ON THE SOLVATION OF Na
+
IN BINARY MIXTURE OF SOLVENTS BY Na-23 NMR (Ⅱ)
Huang Yining; Li Zhifen*; Liu Ruilin
~(23)Na~+ chemical shifts of NaBPh_4 in mixed solvents of CH_3OH-CH_3COCH_3, CH_3OH-CH_3CN, DMSO-DMF, DMSO-HCONH_2 were ...
1988, 4 (03): 279-284.
DOI: 10.3866/PKU.WHXB19880311
4043
Abstract/Metrics
2303
PDF(2050KB)
SOLUBILITIES OF HYDROGEN IN ACETONEWATER MIXED SOLVENTS
Song Hang; Liu Guojie; Hu Ying*
An improved apparatus for precisely measuring the gas solubilities in mixed solvents was reported. The apparatus can als...
1988, 4 (03): 285-289.
DOI: 10.3866/PKU.WHXB19880312
5603
Abstract/Metrics
2390
PDF(1890KB)
INVESTIGATION OF SURFACTANTS ADSORPTION ON LOW-ENERGY SOLID SURFACE Ⅱ. BY THE ADHESION TENSION METHOD——THE ADSORPTION OF HYDROCARBON AND FLUOROCARBON SURFACTANTS
Zhu Buyao*; Xiang Yan
The adhesion tensions of surfactant solution/solid interface hare been measured by Wilhelmy method. The adsorptions of s...
1988, 4 (03): 290-295.
DOI: 10.3866/PKU.WHXB19880313
4533
Abstract/Metrics
2344
PDF(1953KB)
REACTIVE SCATTERING CALCULATIONS OF COLLINEAR TRIATOMIC SYSTEMS IN HYPERSPHERICAL COORDINATES BY FIRST-ORDER MAGNUS NUMERICAL PROPAGATION METHOD
Sun Qiyan; Wu Dayong*; Lou Nanquan
Hyperspherical coordinates are employed in describing collinear triatomic reactive scattering. Close-coupling differenti...
1988, 4 (03): 296-300.
DOI: 10.3866/PKU.WHXB19880314
4442
Abstract/Metrics
2179
PDF(1660KB)
FTIR STUDY ON HYDROGEN SPILLOVER IN THE BENZENE HYDROGENATION SYSTEM
Dong Qingnian*; Shan Yafeng; Xiao Youxie; Yang Lixin; Zhong Bin
Hydrogen spillover has been studied by means of benzene hydrogenation reaction on Al_2O_3. The spillover hydrogen is pro...
1988, 4 (03): 301-306.
DOI: 10.3866/PKU.WHXB19880315
4926
Abstract/Metrics
2156
PDF(2305KB)
STUDIES ON THE REACTION BETWEEN TETRALIN AND COUMARIN Ⅱ. THE FURTHER APPROACH TO KINETICS AND MECHANISM
Huang Chaoran; Yang Huixing*; Han Degang
This paper is concerned with the kinetics and mechanism for the reaction between tetralin and coumarin. Second order rea...
1988, 4 (03): 307-313.
DOI: 10.3866/PKU.WHXB19880316
3833
Abstract/Metrics
2145
PDF(2035KB)
THE STUDIES OF CORRELATIONS BETWEEN THE PHOTOVOLTAIC EFFECT AND THE MOLECULAR STRUCTURE OF DYES IN ORGANIC CELLS
Tian He*; Huang Songyu; Zhou Changshou
A number of cyanine dyes and squarylium dyes have been investigeted. The relations between the photovoltaic effect and t...
1988, 4 (03): 314-319.
DOI: 10.3866/PKU.WHXB19880317
4220
Abstract/Metrics
2231
PDF(2062KB)
Note
IVESTIGATION OF THE PSEUDO-BINARY SYSTEM Li
2
WO
4
-MgWO
4
Fu Zhengmin*; Li Wenxiu; Liu Yongqing; Li Junfang
The phase diagram of a pseudo-binary system Li_2WO_4-MgWO_4 has been investigated by means of DTA and X-ray powder diffr...
1988, 4 (03): 320-324.
DOI: 10.3866/PKU.WHXB19880318
4422
Abstract/Metrics
1968
PDF(1690KB)
DISCUSSION ON THE T-V PROCESS IN CN RADICAL WITH HIGH TRANSLATION ENERGY (1.5 eV)
Li Xuechu*;
W.M.Jackson
The vibrational distributions of CNX~2Σ~+ have been obtained in photolysis of BrCN at 193 nm. An obvious increase of v″=...
1988, 4 (03): 325-328.
DOI: 10.3866/PKU.WHXB19880319
4664
Abstract/Metrics
1944
PDF(1775KB)
A STUDY OF VAPOR-LIQUID EQUILIBRIUM FOR THE TERNARY SYSTEM Li
2
SO
4
-C
2
H
5
OH-H
2
O AT PLATEAU ATOMSPHERE
Pan Huanqian*; Xia Shuping; Qao Shiyang
In this paper, a lernary system of Li_2SO_4-C_2H_5OH-H_2O, saturated with salt, was studied. The modified Rose still was...
1988, 4 (03): 329-331.
DOI: 10.3866/PKU.WHXB19880320
4015
Abstract/Metrics
2020
PDF(1103KB)
STUDIES ON KINETICS OF REDUCTION OF IRON (Ⅲ) OXIDES
Wang Wenxiang*; Xu Jie; Ma Fuqin
The kinetic behavior of reduction for iron (III) oxides was studied by means of TG-DTA thermal analyzer under temperatur...
1988, 4 (03): 332-336.
DOI: 10.3866/PKU.WHXB19880321
4515
Abstract/Metrics
2725
PDF(1723KB)