Communication

• Stabilities and Vertical Excited States of Li₃Al and Li₂B₂
• Zhang Hua-Bei, Tian An-Min, Yan Guo-Sen
• The equilirium geometries of heteroatomic cluster Li_3Al have been optimized with the energy gradient method using the d...
• 1994, 10 (06): 481 -483 DOI: 10.3866/PKU.WHXB19940601

• 2869Abstract/Metrics
• 2459 PDF(580KB)

• NMR Relaxation Time Weighted Micro-imaging Method for Rock Samples
• Xiao Li-Zhi, Du You-Ru, Ye Zhao-Hui
• According to the relations of pixel signal intensity with the repetition time T_R and echo time T_E in spin-echo single ...
• 1994, 10 (06): 484 -488 DOI: 10.3866/PKU.WHXB19940602

• 3253Abstract/Metrics
• 2316 PDF(730KB)

ARTICLE

• Studies on the Polarographic Behaviors of Quercetin and the Catalytic Hydrogen Waves of Heavy Rare Earth Ions-quercetin System
• Li Nan-Qiang, Chen Jian-Hong
• The electrochendcal behavior of quercetin among the pH range from 1.5 to 9.5 was studied. In the pH 1.5 to 4.5 and 4.2 t...
• 1994, 10 (06): 489 -494 DOI: 10.3866/PKU.WHXB19940603

• 3198Abstract/Metrics
• 2703 PDF(954KB)

• The Applications of Free Volume Models to the Evaluation of Transport Properties of Square Well Fluids
• Liu Hong-Qin
• This paper proposes a method of testing the free volume models for fluid transport properties by the MD simulation data ...
• 1994, 10 (06): 495 -500 DOI: 10.3866/PKU.WHXB19940604

• 2884Abstract/Metrics
• 2486 PDF(764KB)

• Solubilities of Methane in Mixed Solvents of Water and t-butye Alcohol
• Pan Jing-Jun, Han Bu-Xing, Yan Hai-Ke, Li Zhi-Fen, Liu Rui-Lin
• Solubilities of methane in binary mixtures of water and t-butyl alcohol (TBA) have been measured in the temperature rang...
• 1994, 10 (06): 501 -507 DOI: 10.3866/PKU.WHXB19940605

• 6307Abstract/Metrics
• 2621 PDF(1137KB)

• Synthesis and Crystal Structure of a New Metal-rich Layered Ternary Tantalum Telluride TaNi₂Te₂
• Zhang Bin, Wang Zhe-Min, Liu Shi-Xiong, Huang Jin-Ling
• The title compound has been synthesised by high-temperature solid state reaction. The crystal structure was determined b...
• 1994, 10 (06): 508 -513 DOI: 10.3866/PKU.WHXB19940606

• 3756Abstract/Metrics
• 2781 PDF(1011KB)

• Studies on the Control of the Pore-opening Size of HM Zeolite and its Para-selectivity
• Tang Yi, Lu Lu, Gao Zi
• The fine control of the pore-opening size of HM zeolite by chemical vapor deposition of Si(OCH_3)_4 has been investigate...
• 1994, 10 (06): 514 -520 DOI: 10.3866/PKU.WHXB19940607

• 3174Abstract/Metrics
• 2408 PDF(1086KB)

• A Study of the Interaction Between 12-Molybdophosphoric Acid and γ-Alumina
• Zheng Shou-Rong, Qi Hai-Hua, Yan Qi-Jie, Fu Xian-Cai
• 12-moybdophosphoric acid (PMo_(12)) supported on γ-alumina has been studied by XRD, LRS EPR and titration methods....
• 1994, 10 (06): 521 -525 DOI: 10.3866/PKU.WHXB19940608

• 3356Abstract/Metrics
• 2422 PDF(744KB)

• A Study on the Unimolecular Decomposition of the Doubly Charged Ions Produced from 4 Chloro-toluene Isomers
• Qiu Feng-He, Liu Shu-Ying
• The unimolecular charge separations and neutral loss decompositions of the doubly charged ions [C_7H_7Cl]~(2+), [C_7H_6C...
• 1994, 10 (06): 526 -531 DOI: 10.3866/PKU.WHXB19940609

• 3115Abstract/Metrics
• 2446 PDF(952KB)

• Alcohol as Inhibitor in Phase-transformation
• Zhang Yu-Ting, Dai Zhong-Shan, Yu Ming, Zhang Guo-Chun
• Alcohol, presented in the hydrolysis of ferric chloride at elevated temperature, inhibits the phase transformation from ...
• 1994, 10 (06): 532 -535 DOI: 10.3866/PKU.WHXB19940610

• 2752Abstract/Metrics
• 2274 PDF(640KB)

• A Study on the Ternary Systems Li⁺, K⁺(Mg²⁺)/SO^2-₄-H₂O at 25 ℃
• Li Bing, Wang Qing-Zhong, Li Jun, Fang Chun-Hui, Song Peng-Sheng
• Solubilities of the ternary systems Li~+, K~+/SO_4~(2-)-H_2O (1) and Li~+, Mg~(2+)/SO_4~(2-)-H_2O (2) were investigated ...
• 1994, 10 (06): 536 -542 DOI: 10.3866/PKU.WHXB19940611

• 3554Abstract/Metrics
• 2648 PDF(1121KB)

• Surface Species of Molybdenum-Nickel Loaded Catalysts and Their Catalytic Activity
• Xu Bin, Zhu Chong-Ye, Li Quan-Zhi
• Forms of surface species in molybdenum-nichel catalyst with high molybdenum loading have been studied by using the techn...
• 1994, 10 (06): 543 -548 DOI: 10.3866/PKU.WHXB19940612

• 3876Abstract/Metrics
• 2622 PDF(1102KB)

• Dispersion of Catalysts Derived from Intrazeolite Pt Carbonyl Clusters
• Li Guang-Jin, Yang Ya-Shu, Guo Xie-Xian, Ichikawa Masaru
• The catalysts derived from the reduction of intrazeolite Pt carbonyl clusters [Pt_(12)(CO)_(24)]~(2-)/NaY and [Pt_9(CO)_...
• 1994, 10 (06): 549 -554 DOI: 10.3866/PKU.WHXB19940613

• 3469Abstract/Metrics
• 2366 PDF(1167KB)

Note

• Enthalpies of Dilution of Calcium Chloride in Aqueous Solution of Alcohols
• Zhang Ya-Ming, Wang Yan-Ru, Shi Jun
• The enthalpy of dilution of a solution collaining calcium chloride in aqueousmethanol mixture has been determind with LK...
• 1994, 10 (06): 555 -559 DOI: 10.3866/PKU.WHXB19940614

• 4018Abstract/Metrics
• 2635 PDF(757KB)

• Study on the Complexation of N-(para-Substituted Phenyl) Nitrogen-Hetero-15-Crown-5 with Alkali Ions by Titration Calorimetry
• Ma Yu-Xin, Lu Xiang-Sheng, Wang Lian-Shun, Chen Rong-Ti
• The reactions between sodium iodide, potassium iodide and a series of N-(parasubstituted phenyl) nitrogen-hetero-15-crow...
• 1994, 10 (06): 560 -564 DOI: 10.3866/PKU.WHXB19940615

• 3636Abstract/Metrics
• 2661 PDF(728KB)

• Theoretical Analysis of Method for Flow Perturbation Gas Chromatography
• Yun Xi-Qin, Kou Deng-Min, Tian Zhi-Jian, Tao Ke-Yi, Li He-Xuan
• This paper is devoted to the newest flow perturbation method, is comprised the general theoretical analysis of method. F...
• 1994, 10 (06): 565 -569 DOI: 10.3866/PKU.WHXB19940616

• 2633Abstract/Metrics
• 2352 PDF(689KB)