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FRAGMENTATION: 作品数：463被引量：556H指数：11; 导出分析报告; 相关领域：理学更多>>; 相关作者：石建功再帕尔·阿不力孜梁峰何晓赵丽艳更多>>; 相关机构：对外经济贸易大学中国医学科学院北京协和医学院北京大学中国科学院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划山西省自然科学基金国家教育部博士点基金更多>>

Fragmentation for selection: how the deleterious mt DNA is removed in the female germline: 《Science Bulletin》2019年第22期1646-1648,共3页Chao Tong; Mitochondria are the energy factories and metabolic centers of cells,and their malfunction can lead to multiple human diseases.As highly dynamic organelles,mitochondria undergo frequent fission and fusion processes[1]...; 关键词：removed branching ELIMINATION

Fragmentation study of two brassinolides by ion trap tandem mass spectrometry被引量：4: 《Chinese Science Bulletin》2010年第21期2219-2224,共6页HUO FeiFeng BAI Yu LIU HuWei; supported by the National Natural Science Foundation of China(90717002 and 90717002);the Fundamental Research Funds for the Central Universities;the Project Sponsored by the Scientific Research Fundation for the Returned Overseas Chinese Scholars,Education Ministry of China; The fragmentation pathways of two isomers of brassinosteroids,28-homobrassinolide(28-h-BL)and 28-epihomobrassinolide(28-eh-BL),have been investigated by tandem mass spectrometry(MSn,n=1,2,3,4)with the electrospray ion...; 关键词：高油菜素内酯串联质谱法离子阱电喷雾质谱光谱分裂异构体 MSN ESI

Study on fragmentation behavior of taxoids by tandem mass spectrometry被引量：1: 《Chinese Science Bulletin》2000年第8期688-698,共11页Zeper Abliz Mitsuo Takayama; We have studied the fragmentation behavior of positive and negative ions of taxoi and 6/8/6 type taxoids, the influence of different substituents on fragmentation, and the correlativity between fragmentation patterns ...; 关键词：TAXOL TAXOIDS TANDEM MASS SPECTROMETRY FRAGMENTATION behavior.

Menadione-induced apoptosis and its mechanism in plants被引量：1: 《Chinese Science Bulletin》2000年第4期350-354,共5页SUN Yingli ZHOU Jun DAI Yaoren ZHAI Zhonghe; Menadione can induce apoptosis in tobacco protoplasts, Typical characteristics are detected including the condensation of chromatin, the formation of apoptotic bodies and the degradation of genomic DNA into 'DNA ladde...; 关键词：TOBACCO PROTOPLASTS MENADIONE apoptosis DNA FRAGMENTATION LAMIN protease.

ANALYSIS ON CHARACTERISTICS OF SUPER-HIGH ENERGY INTERACTION STUDY BY MOUNTAIN EMULSION CHAMBER: 《Chinese Science Bulletin》1988年第9期726-731,共6页丁林垲朱清棋经才骝荆贵茹和煜东; Ⅰ. INTRODUCTION Owing to the rapid decrease of primary cosmic ray intensity with increasing energy, the detectors for recording super-high energy events must have very large acceptance. To study the super-high energy...; 关键词：SUPER recording EMULSION acceptance chamber COSMIC FRAGMENTATION fitting experienced PREFER

EVIDENCE OF LIQUID-GAS AND CONFINEUNCONFINE PHASE TRANSITION IN RELATIVISTIC NUCLEUS COLLISIONS: 《Chinese Science Bulletin》1987年第22期1522-1526,共5页萨本豪; Project supported in part by the National Natural Science Foundation of China; In recent years the study of relativistic nucleus-nucleus collisions has been regarded as a front of nuclear physics because the nucleus is an ideal field for strong interaction and in the processes of the collisions ...; 关键词：NUCLEUS RELATIVISTIC proton MOMENTUM QUARK decay emerge FRAGMENTATION analogous excited

HADRON FRAGMENTATION IN QUANTUM FIELD AT SHORT DISTANCE: 《Chinese Science Bulletin》1986年第6期371-378,共8页赵树松彭守礼; The hypothesis of limiting fragmentation proposed by C.N. Yang and his colleagues plays a considerable part in the interpretation of the high energy pheno-mena of the hadron-hadron collision. By analyzing a great amou...; 关键词：FRAGMENTATION HADRON collision interpretation HYPOTHESIS CORRECT LIMITING MOMENTUM determ transverse

STUDIES ON THE ACTIVE PRINCIPLES OF DI-ER CAO——THE ISOLATION AND STRUCTURE OF JAPONICINE A: 《Chinese Science Bulletin》1984年第4期548-549,共2页顾国明冯淑珍王晓燕周义清李国福; Di-er Cao, Hypericum japonicum Thunb (Guttiferae), is an annual herblet widely distributed in the South China and is used by the local people for the treatment of hepatitis. Phenolie extract of the plant has antimalar...; 关键词：CRYSTALLINE silica derivative HYPERICUM purified DILUTION METHYLENE isola FRAGMENTATION BONDED

MASS SPECTRA OF SEVERAL AMINO-PYRIDINIUM SALTS: 《Chinese Science Bulletin》1983年第3期428-429,共2页徐广智汪聪惠毕先同; C5H11（?） X=Cl, Br, Ⅰ) were measured with a Varian-MAT-731 mass spectrometer. Their fragmentation pathways were proved by means of deuterium labelling technique.; 关键词：labelling FRAGMENTATION SPECTROMETER VARIAN 卜山位山成玉

A JET MODEL: 《Chinese Science Bulletin》1982年第7期715-719,共5页朱伟张民生沈建国; The jet phenomenon has been discussed by many authors. In the usual treatment, a set of quark fragmentation functions D_g^h(Z) are defined as a fundamental physical quantity describing the quark jet. It represents the...; 关键词：QUARK FRAGMENTATION MOMENTUM HADRON MESON usual A JET MODEL introd describing TRANSVERSE

FRAGMENTATION