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PRIMITIVE: 作品数：323被引量：344H指数：8; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：潘宇刘博文张策徐伟路新更多>>; 相关机构：华南师范大学中国科学院北京科技大学同济大学更多>>; 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中国博士后科学基金国家教育部博士点基金更多>>

Slow wave in barotropic atmosphere: 《Chinese Science Bulletin》2003年第S2期68-70,共3页LIN Yihua LASG, Institute of Atmospheric Physies. Chinese Academy of Sciences, Beijing 100029, China; In barotropic atmosphere, slow wave solution isobtained from linear primitive equation in the one dimensioncase; here the slow wave behaves very similarly to Rossbywave. The existence of the slow wave depends on the m...; 关键词：linear BAROTROPIC ATMOSPHERE PRIMITIVE EQUATION SLOW wave MERIDIONAL structure of basic flow.

Sequence variations of the S7 ribosomal protein gene in primitive cyprinid fishes: Implication on phylogenetic analysis被引量：5: 《Chinese Science Bulletin》2002年第19期1638-1643,共6页Wang, XZ He, SP Chen, YY; This work was supported by the Chinese Academy of Sciences (Grant No. KSCX2-SW-101B);the National Natural Science Foundation of China (Grant No. 39830050).; Cyprinidae is the largest fish family in the world and contains about 210 genera and 2010 species. Appropriate DNA markers must be selected for the phylogenetic analyses of Cyprinidae. In present study, the 1st intron...; 关键词：S7 RIBOSOMAL protein gene phylogeny CYPRINIDAE se-quence variations intron.

A new family of primitive mammal from the Mesozoic of western Liaoning,China被引量：1: 《Chinese Science Bulletin》2001年第9期782-786,共5页Jinling Li Yuan Wang Yuanqing Wang Chuankui Li; This work was supported by the Chinese Academy of Sciences (Grant Nos. KZCX3-J-03 and KZ951-B1-410); the Major Basic Research Project of the Ministry of Science and Technology of China (Grant No. G2000077700); and the National Natural Science Foundatio; A fairly well-preserved specimen of a new primitive mammal, Repenomamus robustus gen. et sp. nov., has been described from the Yixian Formation (Lower Cretaceous), western Liaoning, China. This animal has several deri...; 关键词：PRIMITIVE MAMMAL Early CRETACEOUS WESTERN Liaoning.

Sequences of cytochrome b gene for primitive cyprinid fishes in East Asia and their phylogenetic concerning被引量：5: 《Chinese Science Bulletin》2001年第8期661-665,共5页HE Shunping CHEN Yiyu Nakajiama Tsuneo; the Special Programof Biotechnology and Biosciences of the Chinese Academy of Sciences (Grant No. STZ-1-12), and the National Natural Science Foundation of China (Grant No. 39500016).; 1140 bp of cytochrome b gene were amplified and sequenced from 14 species of primitive cyprinid fishes in East Asia. Aligned with other ten cytochrome b gene sequences of cyprinid fish from Europe and North America re...; 关键词：CYPRINIDAE molecular SYSTEMATICS CYTOCHROME b gene phylogeny.

Proof of inseparable prime C~*-algebras A with RR(A)=0 being primitive C~*-algebras被引量：1: 《Chinese Science Bulletin》1999年第8期688-690,共3页ZHANG Lunchuan and MA JipuDepartment of Mathematics , Beijing Normal University , Beijing 100875, China Department of Mathematics , Nanjing University, Nanjing 210093, China; First, that prime C~* -algebras with countable primitive ideals are all primitive C*-algebras is proved. Then the proof that prime C~* -algebras with property RR(A) = 0 are all primitive C~*-algebras is given.; 关键词：PRIME C~*-algebras PRIMITIVE C~*-algebras HEREDITARY C~*-algebras open PROJECTION and close projection.

Os isotopic composition of the earth's primitive upper mantle被引量：3: 《Chinese Science Bulletin》1998年第18期1575-1579,共0页Weidong Sun Xiachen Zhi Zicheng Peng Zhaorong Wang Ningjie Ge Xinhua Zhou; theNationalNaturalScienceFoundationofChina (GrantNos .495 73173,496 73186 ); The osmium isotopic ratio of 187Os/ 188Os ranging from 0.126 to 0.127 for the primitive upper mantle (PUM) is obtained according to the correlation between 187Os/ 188Os and Al 2O 3 of mantle-derived xenoliths and orog...; 关键词：PRIMITIVE upper MANTLE OS isotope mantle_derived peridotite.

Distribution of 0 and 1 in the highest level of primitivesequences over Z/(2~e) (Ⅱ)被引量：6: 《Chinese Science Bulletin》1998年第8期633-635,共3页QI Wenfeng and ZHOU Jinjun Department of Applied Mathmatics, Zhengzhou Information Engineering Institute, Zhengzhou 450002, China; theNationalNaturalScienceFoundationofChina (GrantNo.197710 88)andtheStateKeyLaboratoryofInformationSecurity,GraduateSchoolofChineseAcademyofScience; The distribution of 0 and 1 is studied in the highest level a e-1of primitive sequences over Z/(2\+e). It is proved that the proportion of 0 (or 1) in one period of a e-1is between 40% and 60% for e≥8.; 关键词：LINEAR recurring SEQUENCE PRIMITIVE SEQUENCE highest levelZ SEQUENCE DISTRIBUTION of 0 and 1.

Quasi-critical ring of a primitive ring with nonzero socle: 《Chinese Science Bulletin》1997年第3期189-192,共4页JIANG ZimeiDepartment of Mathematics, Beijing Normal University, Beijing 100875, China; IN ref. [1] Jacobson proved the structure theorem for primitive rings with nonzero socles that R is a primitive ring withsocle S≠{0} if and only if there is a pair of dual vector spaces (M,M’) over a division ring ...; 关键词：PRIMITIVE RING SOCLE CONJUGATE SPACE total SUBSPACE of CONJUGATE space.

On a conjecture about the strict Hall exponents of primitive matrices: 《Chinese Science Bulletin》1996年第15期1319-1320,共2页周波柳泊濂; Let B_n denote the set of n×n Boolean matrices. For A=(a_ij), B=(b_ij)∈B_n, if a_ij≤b_ij, i. j= 1, 2, '', n. we say A≤B. An n×n Boolean matrix A is call...; 关键词：周波

A fresh idea to approach solar nebular condensation model: 《Chinese Science Bulletin》1995年第24期2057-2061,共5页侯渭欧阳自远谢鸿森胡桂兴; the National Natural Science Foundation of China.; 1 Possible forms of nebular condensation The condensation can include two processes: gas-solid and gas-liquid-solid condensations. Because nebular condensation occurred with temperature descending slowly, the forms of...; 关键词：ORIGIN of METEORITES nebular CONDENSATION mbdel PRIMITIVE composition of earth.

PRIMITIVE