Communication

• ELECTRONIC STATES OF THE Cu₃O₁₂^17- 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

• 1624Abstract/Metrics
• 1385 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

• 1671Abstract/Metrics
• 1440 PDF(2323KB)

• ¹H MAS NMR STUDIES OF H₂S 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

• 1668Abstract/Metrics
• 1453 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

• 1614Abstract/Metrics
• 1158 PDF(2017KB)

ARTICLE

• SUPERSONIC MOLECULAR BEAM STUDIES ON THE DYNAMICS OF LASER-INDUCED Cl₂-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

• 1746Abstract/Metrics
• 1746 PDF(5093KB)

• THE KINETIC STUDY OF REACTION O(³P) 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

• 1597Abstract/Metrics
• 1403 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

• 5471Abstract/Metrics
• 1421 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

• 2137Abstract/Metrics
• 1428 PDF(1323KB)

• XPS STUDY OF CORROSION BEHAVIOUR OF TITANIUM IN H₂C₂O₄ 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

• 2240Abstract/Metrics
• 1447 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

• 2205Abstract/Metrics
• 1396 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

• 1681Abstract/Metrics
• 1468 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

• 2417Abstract/Metrics
• 1632 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

• 1613Abstract/Metrics
• 1399 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

• 1840Abstract/Metrics
• 1482 PDF(4620KB)

• SAXS STUDIES OF STRUCTUR OF LIQUID-CRYSTAL 5% H₂O-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

• 1798Abstract/Metrics
• 1339 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

• 2062Abstract/Metrics
• 1509 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

• 1846Abstract/Metrics
• 1370 PDF(4179KB)

• SYNTHESIS AND CRYSTAL STRUCTURE OF Fe₃(CO)₈[P[SC₆H₅)Cl₂](μ₃-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

• 1825Abstract/Metrics
• 1396 PDF(3736KB)

• STUDIES ON THE ELECTROCHEMICAL BEHAVIORS OF [Fe(H₂O)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

• 1841Abstract/Metrics
• 1276 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

• 1637Abstract/Metrics
• 1328 PDF(2625KB)

• SYNTHESIS AND CRYSTAL STRUCTURE OF BINUCLEAR TIN COMPLEX [Sn₂Cl₆(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

• 1808Abstract/Metrics
• 1469 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

• 1567Abstract/Metrics
• 1385 PDF(2538KB)