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Catalytic Activity and Stability of Mo_2N in CO Oxidation

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chinese chemical Letters 1998年第6期9卷 579-581页

作者： Guo Huang XIE Zhi Cheng JIANG Ting Fang BAI Han Qing WANG(lanzhou institute of chemical physics, chinese academy of sciences,lanzhou 730000) lanzhou Inst. of chemical physics Chinese Academy of Sciences Lanzhou 730000 China

Molybdenum nitride powder with 115 m^2g^(-1) of Sg has been prepared by atemperature programmed reaction of MoO_3 in H_2/N_2 mixture. It exhibited high catalyticactivity in CO oxidation at low temperatures. DTA in airflow showed that the crystalphase of Mo_2N was maintained under 500℃. The suitable operation temperature isbelow 500℃ in CO oxidation.

关键词： Mo_2N CO oxidation stability

SWINANINE　C＆D，TWO　NEW　DITERPENE　ALKALOIDS　FROM　DELPHINIUM　SWINANENSE　VAR　LEPTOPOGON

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chinese chemical Letters 1995年第4期6卷 309-310页

作者： Suo Hing ZHANG Ji HA Qing Yu OU (lanzhou institute of chemical physics, chinese academy of sciences, lanzhou730000)a: (Department of Biology, lanzhou University, lanzhou 730000) chinese Acad Sci Lanzhou Inst Chem Phys Lanzhou 730000 Peoples R China lanzhou Univ Dept Biol Lanzhou 730000 Peoples R China

s: Two new diterpene alkaloids named swinanine C and D were isolated from Delphinium swinanense var leptopogon (H. -M. ) W. T. Wang. Their structures were elucidated by means of spectral methods , principally 1H-NHR, ... 详细信息

关键词： VAR LEPTOPOGON SWINANENSE FROM DITERPENE ALKALOIDS DELPHINIUM

Organic geochemical studies of sinking particulate material in china sea area Ⅱ——Geochemical significance of compositional features of ketone, aldehyde and alcohol compounds

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chinese Science Bulletin 1997年第22期42卷 1894-1898页

作者： DUAN Yi,CUl Mingzhong, MA Lanhua, SONG Jinming, ZHOU Shixin and LUO Binjie1. lanzhou institute of Geology, chinese academy of sciences, lanzhou 730000, china 2. Earthquake Research institute of lanzhou, SSB, lanzhou 730000, china 3. institute of Oceanology, chinese academy of sciences, Qingdao 266071, china lanzhou institute of Geology Chinese Academy of Sciences Lanzhou China Earthquake Research institute of lanzhou SSB Lanzhou China institute of Oceanology Chinese Academy of Sciences Qingdao China

SINKING particulate organic matter of the sea plays an important role in marine environment. Itnot only provides food for marine organisms and takes part in chemical cycling, but also pro-vides sedimentary organic matter for marine sediments. Therefore, researchers always payclose attention to the source and processes of transport and transformation of marine sinkingparticulate organic matter. Its transport process can be understood by measuring the

关键词： marine sinking paniculate material composition of lipid compounds organic matter source and biochemical pro-cesses.

AN　ESR　STUDY　OF　MgO　TREATED　WITH　SHOCK　WAVE

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chinese chemical Letters 1996年第5期7卷 487-490页

作者： Ting Lu YANG Kang XU Liang Bo FENG and Shi Kong SHEN (lanzhou institute of chemical physics, chinese academy of sciences. lanzhou 730000) lanzhou Inst. of chemical physics Chinese Academy of Sciences Lanzhou 730000

Abstract:A MgO sample treated with shock wave was studied by using electron spin resonance(ESR) spectroscopy. An isotropic ESR singal at g=2.002 could be designated to F centers. O2 superoxide ions penetrated into the surface layer of NgO powder after shocking were identified at gxx=2.006, gyy=2.009,and gzz=2.***.2.025. The change of surface adsorption ability for O2 of shocked MgO was discussed.

关键词： ESR STUDY MgO AN

Studies on Synthesis of Stationary Phase Containing Nicotinamide Adenine Dinucleotide(NAD) Bonded to Phospholipid-Coated Aminated Silica for HPLC

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chinese chemical Letters 1997年第3期8卷 243-246页

作者： Jin Mao YOU Zong Qin RUAN Jing Wu KANG (lanzhou institute of chemical physics, chinese academy of sciences, 730000) lanzhou Inst. of chemical physics Chinese Academy of Sciences 730000 China

Recently biospecific affinity chromatography has been widely used for the separation and purification of various enzymes and nucleic acids. In this paper, a series of synthetic reactions of solid-liquid phase were carried out on silica surface, using a macroporous(30 mu m), microspherical silica (8 mu m) as the matrix and gamma-aminopropyltriethoxysilane as the activating agent, the nicotinamide adenine dinucleotide(NAD) was bonded through its amino groups to the carboxylic groups of linked phospholipid which was bonded covalently on aminated support. The bonded stationary phase has high thermal stability, and could be used to separate of nucleotides with good resolution.

关键词： NAD Bonded to Phospholipid-Coated Aminated Silica for HPLC Studies on Synthesis of Stationary Phase Containing Nicotinamide Adenine Dinucleotide

The consideration and choice on exploiting energy source

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chinese Science Bulletin 1999年第18期44卷 1717-1728页

作者： WANG XianbinState Key Laboratory of Gas Geochemistry, lanzhou institute of Geology, chinese academy of sciences , lanzhou 730000, china State Key Laboratory of Gas Geochemistry Lanzhou Institute of Geology Chinese Academy of Sciences Lanxhou China

A problem of petroleum energy crisis will probably be faced in the late 21st century. It is impossible to discover the giant oil fields again based on the traditional knowledge and theory of petroleum geology. From the global development point of view as well as the situation in china, the five choices of energy source in the future are to ( i ) extend the field of exploration in conventional petroleum and natural gas source, and exploit oil-gas source in ocean and

关键词： energy sources in the future unconventional gas coal hydrogen controllable nuclear fusion 3He source on the moon.

Status and Prospects of HIRFL Experiments

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原子核物理评论 2009年第S1期26卷 7-15页

作者： XU Hu-shan (institute of Modern physics, chinese academy of sciences, lanzhou 730000, china) institute of Modern physics Chinese Academy of SciencesLanzhou 730000China

The research activities at HIRFL cover the fields of radio-biology,material science,atomic physics,and nuclear physics. This report mainly concentrates on the experiments of nu-clear physics with the existing and plan... 详细信息

关键词： HIRFL CSRm CSRe ETF

Asymmetric Catalytic Hydrogenation Using Rhodium Diphosphinites Derived From D-glucose and D-mannitol

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chinese chemical Letters 2000年第7期11卷 587-588页

作者： Peng JIANG Shi Jie LU(State Key Laboratory of Oxo Synthesis and Selective Oxidation, lanzhou institute of chemical physics, chinese academy of sciences, lanzhou 730000) State Key Laboratory of Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical Physics Chinese Academy of Sciences

Three diphosphinites were synthesized for preparing rhodium-diphosphinite complexes. The complexes were used for asymmetric catalytic hydrogenation of amino acid precursor alpha-acetamidocinnamic acid and its methyl e... 详细信息

关键词： asymmetric catalysis hydrogenation rhodium diphosphinites alpha-acetamidocinnic acid

HIRFL and studies of hot nuclei and nuclei far from stability

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chinese Science Bulletin 1997年第7期42卷 529-541页

作者： LUO Yixiaoinstitute of Modern physics, chinese academy of sciences, National Laboratory of Heavy Ion Accelerator of lanzhou, lanzhou 730000, china institute of Modern physics Chinese Academy of Sciences National Laboratory of Heavy Ion Accelerator of Lanzhou Lanzhou China

HEAVY ion physics has been rapidly developing at the limits of energy (nuclear temperature), isospin and spin. Heavy ion research facility of lanzhou (HIRFL) is of cyclotron family delivering intermediate energy heavy ions. During the recent years, progress has been made in the studies of heavy ion physics as well as in the development of the HIRFL. This review article will

关键词： heavy ion accelerator radioactive ion beam hot nuclei nuclei far from stability.