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Acta Phys. -Chim. Sin.
Acta Phys. -Chim. Sin.
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中文
Current Issue
1990 Vol. 6,No. 06
Published: 15 December 1990
Current column
Communication
COMMUNICATION
ARTICLE
Note
Communication
ELECTRONIC STATES OF THE Cu
3
O
12
17-
MODEL CLUSTER
Chen Xue-An; Chen Zhi-Fang; Fu Heng; Tang You-Qi; Ye Xue-Qi; Zhu Min-Hui
The Fenske-Hall molecular orbital calculations were performed on the model cluster Cu_3O_(12)~(17-). The calculated resu...
1990, 6 (06): 641-644.
DOI: 10.3866/PKU.WHXB19900601
3123
Abstract/Metrics
1602
PDF(3160KB)
OXIDATIVE COUPLING OF METHANE OVER Li-Nd-Zn-Mg OXIDE
Yu Qi-Quan; Jin Yun; Yao Xiao-Hui
It was found that Li-Nd-Zn-Mg oxide has an extremely high activity for the oxidative coupling of methane to C_2 hydrocar...
1990, 6 (06): 645-647.
DOI: 10.3866/PKU.WHXB19900602
2946
Abstract/Metrics
1641
PDF(2323KB)
1
H MAS NMR STUDIES OF H
2
S AND ALCOHOLS ADSORBED ON CHARCOAL
Deng Feng; Li Li-Yun; Sun Hong-Zhe; Du You-Ru
A mag1c angle spinning system for sealed samples has been achieved with a speed from 1.5 to 4.2 kHz. Using this system, ...
1990, 6 (06): 648-650.
DOI: 10.3866/PKU.WHXB19900603
3049
Abstract/Metrics
1608
PDF(2440KB)
COMMUNICATION
OXIDATIVE COUPLING OF METHANE OVER Li-Nd-Mg OXIDE
Jin Yun; Yu Qi-Quan; Wang He
The influences of the reaction temperature, contact time and methane/oxygen on the oxidative coupling of methane were st...
1990, 6 (06): 651-653.
DOI: 10.3866/PKU.WHXB19900604
3039
Abstract/Metrics
1337
PDF(2017KB)
ARTICLE
SUPERSONIC MOLECULAR BEAM STUDIES ON THE DYNAMICS OF LASER-INDUCED Cl
2
-Ta SURFACE-REACTIONS
Lu Ping-He; Li Yu-Lin; Zhang Kang-Zang; Jin Zhong-Kao; Qin Qi-Zong
The supersonic molecular beam technique is used to study the dynamics of laser-induced surface reactions of Ta surface w...
1990, 6 (06): 654-659.
DOI: 10.3866/PKU.WHXB19900605
3777
Abstract/Metrics
1975
PDF(5093KB)
THE KINETIC STUDY OF REACTION O(
3
P) AND SILANE
Chen Cong-Xiang; Gao Yi-De; Zhu Meng-Xia; Kong Fan-Ao; Koda S.
The measurement of rate constant of reaction O~3(P) + SiH_4 with discharge flow-chemiluminescence technique is presented...
1990, 6 (06): 660-665.
DOI: 10.3866/PKU.WHXB19900606
3426
Abstract/Metrics
1579
PDF(4585KB)
ADSORPTION HEAT AND IR STUDY OF BENZENE ADSORBED ON NaHY ZEOLITES
Liu Guan-Hua; Li Xuan-Wen; Liu Xing-Yun; Pang Li
Initial adsorption heat of benzene on NaHY of different Na:H ratios have been determined in the temperature range of 250...
1990, 6 (06): 666-672.
DOI: 10.3866/PKU.WHXB19900607
7278
Abstract/Metrics
1623
PDF(5156KB)
KINETICS OF α-FeO(OH) FORMATION IN WEAK ACIDIC MEDIUM
Zhang Yi; Wang Ying-Xia; Hua Tong-Wen
The kinetics of a-FeO(OH) formation in weak acidic medium was studied. The effects of initial concentration, temperature...
1990, 6 (06): 673-680.
DOI: 10.3866/PKU.WHXB19900608
4410
Abstract/Metrics
1658
PDF(1323KB)
XPS STUDY OF CORROSION BEHAVIOUR OF TITANIUM IN H
2
C
2
O
4
SOLUTION
Zhang Rui-Feng; Yu Ya-Li; Chen Yu-Pu; Mi Tian-Ying
The corrosion behaviour of titanium substance and the XPS characterization of Ti surface in the H_2C_2O_4 solution have ...
1990, 6 (06): 681-685.
DOI: 10.3866/PKU.WHXB19900609
4921
Abstract/Metrics
1732
PDF(3511KB)
COMPREHENSIVE ANALYSIS OF THE PREDICTION OF PROTEIN'S SECONDARY STRUCTURE
Wang Peng-Liang; Jiang Shou-Ping; Lai Lu-Hua; Xu Xiao-Jie; Luo Yu
A comprehensive analysis method of prediction of protein's secondary structure is presented. It combines several commonl...
1990, 6 (06): 686-692.
DOI: 10.3866/PKU.WHXB19900610
5141
Abstract/Metrics
1590
PDF(4789KB)
THE THERMODYNAMICS OF MICELLIZATION BY BLOCK COPOLYMER SEP IN ORGANIC SOLVENTS
Zhou Wei-Ping; He Zhi-Duan; Zhang Hao
The thermodynamics of micellization for polystyrene-b-poly(ethylene/propylene) two-block copolymer(SEP) in the mixtures ...
1990, 6 (06): 693-698.
DOI: 10.3866/PKU.WHXB19900611
3831
Abstract/Metrics
1584
PDF(4286KB)
KINETIC STUDY OF THE MANNICH REACTION OF 3-THIOLCOUMARIN WITH DIPHENYLAMINE
He Da-Yan; Xing Qi-Yi; Jin Sheng; Lu Mu-Jian
A kinetic study of the Mannich reaction of 3-thiolcoumarin with diphenylamine was studied. It was found that the mechani...
1990, 6 (06): 699-705.
DOI: 10.3866/PKU.WHXB19900612
4586
Abstract/Metrics
1862
PDF(4997KB)
EFFECT OF SODIUM CONTENT ON THE ACTIVITY OF Ni-CONTAINING ZSM-5 ZEOLITES
Xiao Shu-Yong; Meng Zhong-Yue
A series of NiZSM-5 zeolites with different sodium content have been prepared, and their acidity, adsorbability and cata...
1990, 6 (06): 706-709.
DOI: 10.3866/PKU.WHXB19900613
3528
Abstract/Metrics
1579
PDF(2947KB)
SURFACE CHARACTERIZATION OF COBALT TETRAPHENYLPORPHYRIN MODIFIED GLASSY CARBON ELECTRODE BY XPS
Hu Gang; Xu Li-Juan; Dong Shao-Jun
Surface structure of the glassy carbon surface modified with cobalt tetraphenyl-porphyrin (CoTPP) by thermal-treatment h...
1990, 6 (06): 710-715.
DOI: 10.3866/PKU.WHXB19900614
3940
Abstract/Metrics
1666
PDF(4620KB)
SAXS STUDIES OF STRUCTUR OF LIQUID-CRYSTAL 5% H
2
O-PC IN METHANOL, ETHANOL AND ISOBUTYNOL
Yao Song-Nian; Cao Lian-Xin
Liquid-crystal system consists of egg yolk phospho-liqid (PC) and little water was studied by means of the small angle X...
1990, 6 (06): 716-719.
DOI: 10.3866/PKU.WHXB19900615
3933
Abstract/Metrics
1505
PDF(1303KB)
RESONANCE RAMAN SPECTROSCOPIC STUDIES OF THE CATIONIC RADICALS OF
p
-PHENYLENEDIAMINE AND ITS
N
-SUBSTITUTED DERIVATIVES
Sun Kai; Xu Guang-Zhi
The resonance Raman spectra of the cationic radicals of p-phenylenediamine and its N-substituted derivatives (N-methyl, ...
1990, 6 (06): 720-724.
DOI: 10.3866/PKU.WHXB19900616
3739
Abstract/Metrics
1679
PDF(3968KB)
Note
STUDIES ON THERMAL DECOMPOSITION OF SEVERAL AROMATIC NAPHTHALENEDIAZONIUM SALTS
Song Hua; Li Da-Zhen; Hou En-Jian; Deng Xi-Xian
Four aromatic naphthalenediazonium salts have been synthesised with the formula as: p-RC_(10)H_6N_2BF_4 (R=—H(Ⅰ), —NO_2(...
1990, 6 (06): 725-729.
DOI: 10.3866/PKU.WHXB19900617
3667
Abstract/Metrics
1569
PDF(4179KB)
SYNTHESIS AND CRYSTAL STRUCTURE OF Fe
3
(CO)
8
[P[SC
6
H
5
)Cl
2
](μ
3
-S)
2
Liu Shu-Tang; Liu Qi-Wang; Wu Bin-Fang; Suo Quan-Ling; Hu Xiang; Wang Be-Yi
The title compound Fe_3(CO)_8 (P(SC_6H_5) Cl_2) (μ_3′-S)_2 was synthesised by reacting Fe_3(CO)_9 (μ_3-S)_2 with P (SC_6...
1990, 6 (06): 730-734.
DOI: 10.3866/PKU.WHXB19900618
4038
Abstract/Metrics
1577
PDF(3736KB)
STUDIES ON THE ELECTROCHEMICAL BEHAVIORS OF [Fe(H
2
O)
3
(NCS)
3
] (18-C-6) ON MINIGRID ELECTRODE BY SPECTROPHOTOMETRY
Li Hai-Ying; Yu Zhang-Yu; Li Chun-Ying; Gu Deng-Ping
The electrochemical reduction processes of [Fe(H_2O)_3(NCS)_3] (18-C-6) have been studied in nonaqueous media by method ...
1990, 6 (06): 735-738.
DOI: 10.3866/PKU.WHXB19900619
3676
Abstract/Metrics
1464
PDF(3041KB)
RESEARCH ON KINETICS AND LFE RELATIONSHIP OF SUPERACID POSA CATALYZED ESTERIFICATION
He Ming-Qian; Fu Xiang-Kai
From superacid POSA (perfluorooctanesulfonic acid) catalyzed esterification of p-substituted benzoic acids with ethanol,...
1990, 6 (06): 739-742.
DOI: 10.3866/PKU.WHXB19900620
3716
Abstract/Metrics
1528
PDF(2625KB)
SYNTHESIS AND CRYSTAL STRUCTURE OF BINUCLEAR TIN COMPLEX [Sn
2
Cl
6
(
μ
-OH)
2
(DMF)
2
]·4DMF
Mao Xi-An; You Xiao-Zeng
A binuclear tin complex [Sn_2Cl_6(μ-OH)_2(DMF)_2]·4DMF has been synthesized through direct reaction of SnCl_4·5H_2O with...
1990, 6 (06): 743-746.
DOI: 10.3866/PKU.WHXB19900621
3028
Abstract/Metrics
1688
PDF(2825KB)
INVESTIGATION OF VOLTAGE-REGULATED COULOMETRY ON RDE
Wu Bing-Liang; Sun Ai-Jun
A voltage-regulated coulometry on RDE is described. It shows that the electric quantity due to the reaction of soluble i...
1990, 6 (06): 747-750.
DOI: 10.3866/PKU.WHXB19900622
3277
Abstract/Metrics
1550
PDF(2538KB)