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1.
《地质论评》2003,49(2):154
序号刊名总引文频次①{序}号刊名总引文频次①{序{号刊名总引文频次① 12 3456789l01112l3141516l718192021科学通报植物学报环境科学海洋与湖沼地理学报地质论评中国环境科学地球物理学报土坡学报中国科学D地质学报岩土工程学报动物学报海洋学报地球科学硅酸盐学报昆虫学报地球化学岩石力学与工程学报岩石学报地学前缘33831861104991尘847823822798776755753733727675591574565564557551549 2 93141505354576l64657073861 16121123124128132133…::…;:}26{27…::…………………::…::!42地震学报第四纪研究石油学报南京大学学报地质科学…  相似文献   

2.
《地质学报》2004,78(1):8-8
排名刊名形晌因子排名刊名影响.因子,}排}名刊名形响因子排名刊名影响因子23492O36405054556879808l冰川冻土地理学报地质学报中国科学D岩石学报第四纪研究地学前缘地球物理学报岩石力学与工程学报地球化学地质论评地层学杂志地球科学进展矿床地质2。4 262。3012 .1 331。453l。1 970 .9580 .938O。8940 .8730 .8710 .8210.780.7710 .769{86}吕7{‘。o}‘”6}’。吕…{{…}’”’}“,“!2 18古地理学报沉积学报科学通报石油学报地质科学岩矿侧试地展学报高校地质学报石油地球物理勘探石油勘探与开发岩土工程学报石油实验地质地雇地质石油…  相似文献   

3.
《地质论评》2004,50(1):32-32
①刊名影响因子…·刊名影响……因子{…·刊名影响因子D刊名影响因子23492O364O5O545568798081冰川冻土地理学报地质学报中国科学D岩石学报第四纪研究地学前缘地球物理学报岩石力学与工程学报地球化学地质论评地层学杂志地球科学进展矿床地质2 .4262 .3012 1331 .4531 1970 .9580 .9380 .8940 .8730 .8710 .8210 .780 .7710 .769}86}吕7}‘。。1‘。6…)!)……{…古地理学报沉积学报科学通报石油学报地质科学岩矿测试地震学报高校地质学报石油地球物理勘探石油勘探与开发岩土工程学报石油实验地质地震地质石油与天然气地质0 .7590 .7510 …  相似文献   

4.
《地质学报》2006,80(1)
(仅列与地学有关的刊物)名次刊名因子名次刊名因子名次刊名因子1矿床地质3.283236工程地质学报0.639695世界地质0.3273地质学报2.823246大庆石油地质与开发0.629699吉林大学学报工学版0.3265中国科学D2.575254大地构造与成矿学0.621717辽宁石油化工大学学报0.3206地理学报2.273268地理与地理信息科学0.606729新疆地质0.3157岩石学报2.183286矿物学报0.591773内陆地震0.3039岩石力学与工程学报1.959287中国土地科学0.59782地震研究11冰川冻土1.907296地球信息科学0.582788沉积与特提斯地质0.29915地质论评1.711310地球物理学进展0.565807矿…  相似文献   

5.
《地质论评》2006,52(1):62-62
(仅列与地质学有关的部分主要刊物,据2005年12月6日科技部中国科技信息研究所公布)名次刊名因影子响1矿床地质3.2833地质学报2.8235中国科学D2.5756地理学报2.2737岩石学报2.1839岩石力学与工程学报1.95911冰川冻土1.90715地质论评1.71117地质科学1.68919地球化学1.63520古地理学报1.59122地理科学进展1.56126石油与天然气地质1.48628地理研究1.44930地球物理学报1.41537地质通报1.32846地球科学1.27252地球科学进展1.20654地理科学1.16561石油物探1.11162地学前缘1.098名次刊名因影子响71现代地质1.06772沉积学报1.06274石油学报1.05576第…  相似文献   

6.
名次期刊名称被引频次影响因子名次期刊名称被引频次影响因子1矿床地质6241.4872第四纪研究5971.1953中国科学(D辑)4481.0074地质学报5440.8485地质论评6240.8076地理学报5970.7817环境科学7690.7728地球学报2160.7569遥感学报1580.69910地球物理学报7930.68811地学前缘2960.65312生态学报6440.63213岩矿测试2370.56714环境科学进展1980.55715高原气象3520.55016地震工程与工程震动2870.54217地震学报4430.53818科学通报29220.52619大气科学4830.51720地球化学3320.51520地球科学5380.51522地质科学3930.51323应用生态学报4500.51124测绘学…  相似文献   

7.
《地质论评》2000,46(1):78
(据1999年10月中国科技期刊引证报告,仅列与地质学有关的部分期刊)期刊名称二l}}期刊名称关{期刊名称关期刊名称釜科学通报23721地球物理学报659{地质学报409}地质论评388地震学报357}l}地球科学377}岩土工程学报362}{地球化学349南京大学学报334}冰川冻土331.{岩矿测试326}地质科学316古生物学报309{石油学报303{岩石学报299!岩石力学与工程学报272第四纪研究265}…}石油勘探与开发204}{{地质实验室2361I中国科学D辑227地震地质220{」}石油地球物理勘探220沉积学报218}中山大学学报202非金属矿199}}地学前缘194!海洋地质与第四纪地质193北…  相似文献   

8.
《地质学报》1998,72(1)
(据中国科学引文数据库1996年数据统计,仅列与地质学有关的部分期刊)名次 l期刊名称卜次期刊名称卜次期时名称卜次期fl]名称科学通报】4‘千J{叫科学B辑1 17地球物理学报}37地质学报44地质论评】】46地理学报】54地质科学】58古生物学报61地球科学1 103岩石学报一{…1 03南京大学学报{1 07地球化学1 10地震学报}1 32第四纪地质1 139沉积学报1 143中山大学学报146海洋地质与第四纪地质J{1 45石油学报11 1 60冰川冻土{1 75地震地质1 95地层学杂志{2 13岩土「程学报一!2 13岩矿测试!2 13石油地球物理勘探230兰州大学学报一{234石油与天然气地…  相似文献   

9.
《地学前缘》2004,11(2):572-572
(据中国科学技术信息研究所,2 0 0 3年1 2月)名次期刊名称影响因子名次期刊名称总被引频次1冰川冻土2 .42 61地理学报12 0 42地理学报2 .3 0 12地质学报93 53地质学报2 .13 3 3地质论评85 04地理研究1.4184岩石学报7115地理科学进展1.2 45 5冰川冻土6746岩石学报1.197 6沉积学报62 27地理科学1.0 2 0 7地理科学5 878地质论评0 .82 18地理研究5 5 99极地研究0 .80 69地质科学5 1810地层学杂志0 .780 10矿床地质3 9211矿床地质0 .76911山地学报3 7712古地理学报0 .75 912海洋地质与第四纪地质3 7613沉积学报0 .75 113石油实验地质3 2 314地质…  相似文献   

10.
《地学前缘》2004,11(1):188-188
(据中国科学技术信息研究所,2 0 0 3年1 2月)名次期刊名称影响因子名次期刊名称总被引频次1冰川冻土2 .42 61地理学报12 0 42地理学报2 .3 0 12地质学报93 53地质学报2 .13 3 3地质论评85 04地理研究1.4184岩石学报7115地理科学进展1.2 45 5冰川冻土6746岩石学报1.1976沉积学报62 27地理科学1.0 2 0 7地理科学5 878地质论评0 .82 18地理研究5 5 99极地研究0 .80 69地质科学5 1810地层学杂志0 .780 10矿床地质3 9211矿床地质0 .76911山地学报3 7712古地理学报0 .75 912海洋地质与第四纪地质3 7613沉积学报0 .75 113石油实验地质3 2 314地质科…  相似文献   

11.
International unity is becoming ever stronger in this country owing to an increasing similarity in the development of the cultural environment. This comprises the provision of all the country's republics with a sufficient number of schools, theatres, and other institutions and cultural information media in accordance with the needs of the population. An important part is played by the rise in ‘the general educational level, as well as the level of professional qualifications and skills. Among all the Soviet nations and nationalities, this rise being more rapid among formerly backward peoples. Prominent among the factors of internationalization is the progressive development of the nationalities’ cultural resources, while professional culture is being increasingly brought within the reach of the masses.The implementation of the nationalities policy promotes the all-round development of all Soviet nations and nationalities, their drawing together, the upsurge of the individual capabilities of every Soviet citizen.  相似文献   

12.
13.
Chronological analyses of correlations between certain global repeating events (mass extinctions of marine organisms, meteorite impacts, and flashes in the frequency of geomagnetic reversals) during the Phanerozoic Eon and the motion of the solar system in the Galaxy are presented for five rotationally symmetrical models for the regular Galactic gravitational field. Thirteen of sixteen mass-extinction events can be described by a repetition interval of 183±3 million years. This is in agreement with the anomalistic period (interval between two subsequent passages of the Sun through the apocenter of its Galactic orbit) in the model of Allen and Martos. The positions of the minima and maxima in Gaussian functions approximating the frequency distribution for geomagnetic reversals also agree with the times of passage of the Sun through the apocenter and pericenter, respectively, of its Galactic orbit in this model. The maximum in the distribution of the deviations of the dates of mass extinctions from the nearest dates of impacts of large, crater-forming bodies is close to zero, providing evidence that many such events are correlated. As a rule, extinctions follow impact events. The impacts of large bodies have occurred most often when the solar system passes through the Galactic plane, while mass extinctions occur more often at some distance from the Galactic plane (about 40 pc). As a rule, intervals of increases in the frequency of geomagnetic reversals coincide with dates of impacts of large bodies. At the same time, these intervals do not show a clear correlation with the dates of mass extinctions. The intensity of mass extinctions, like the energy released by impacts, is consistently higher in periods when the Sun is moving from the apocenter toward the pericenter of its orbit, than when it is moving from the pericenter toward the apocenter. Thus, there is evidence for a variety of relationships between repeating global events in the Phanerozoic and the motion of the Sun in the Galaxy. Long-period variations in the frequency of geomagnetic reversals are correlated with the orbital motion of the Sun, and increases in the frequency of geomagnetic reversals are correlated with impacts. Mass extinctions are correlated with the impacts of large bodies, whose motions may have been perturbed by clouds of interstellar material concentrated toward the Galactic plane and by the shock front associated with the Perseus spiral arm, through which the solar system passes. The velocity of the Sun relative to the spiral pattern is estimated.  相似文献   

14.
It is known from observations that the center of mass of the Moon does not coincide with the geometric center of its figure, and the line connecting these two centers is not aligned with the direction toward the center of the Earth, instead deviating toward the Southeast. This stationary deviation of the axis of the inertia ellipsoid of the Moon to the South of the direction toward the Earth is analyzed. A system of five linear differential equations describing the physical libration of the Moon in latitude is considered, and these equations are derived using a new vector method taking into account perturbations from the Earth and partly from the Sun. The characteristic equation of this system is obtained, and all five oscillation frequencies are found. Special attention is paid to the fifth (zero) frequency, for which the solution of the latitude libration equations are stationary and represents a previously unknown additional motion of the rotational axis of theMoon in a cone with a small opening angle. In contrast to the astronomical precession of the Earth, the rotation of the angular-velocity vector is in the positive direction (counter-clockwise), with the period T 3 = 27.32 days. On this basis, this phenomenon has been named “quasi-precession.” This quasi-precession leads to a stationary inclination of the major axis of the inertia ellipsoid of theMoon to the South (for an observer on Earth), making it possible to explain one component of the observed deviation of the center of mass of the Moon from the direction toward the Earth. The opening angle of the quasiprecession cone is approximately 0.834″.  相似文献   

15.
从榴辉岩与围岩的关系论苏鲁榴辉岩的形成与折返   总被引:4,自引:1,他引:4       下载免费PDF全文
位于华北和扬子两板块碰撞带中的苏鲁榴辉岩形成的温压条件不但是超高压,而且是高温。榴辉岩的PTt轨迹表明其为陆-陆磁撞俯冲带的产物。榴辉岩的区域性围岩花岗质片麻岩为新元古代同碰撞期花岗岩,榴辉岩及其他直接围岩皆呈包体存在于其中,并见新元古代花岗岩呈脉状侵入榴辉岩包体中。区域性围岩新元古代花岗岩的锆石中发现有柯石英、绿辉石等包裹体,表明新元古代花岗岩的组成物质也经受过超高压变质作用,且榴辉岩与围岩新元古代花岗岩的锆石U-Pb体系同位素年龄基本相同。但新元古代花岗岩所记录的变质作用和变形作用期次(或阶段)却少于榴辉岩。椐上述可得如下推断:超高压榴辉岩与新元古代花岗岩岩浆是同时在碰撞带底部(俯冲板块前部)形成的;榴辉岩的第一折返阶段是由新元古代花岗岩岩浆携带上升的,其第二折返阶段是和新元古代花岗岩一起由逆冲及区域性隆起而上升,遭受剥蚀。  相似文献   

16.
某高速公路下伏煤矿采空区稳定性分析   总被引:10,自引:0,他引:10  
在论述某高速公路下伏砦脖煤矿采空区地质、采矿和工程地质特征的基础上, 进行了稳定性数值模拟分析, 定性与定量地分析与评价了该煤矿采空区的地表变形特征及稳定性。研究结果表明: 该煤矿采空区的变形尚未完成, 对拟建的高速公路将产生很大的危害, 必须采取相应的工程治理措施。   相似文献   

17.
摩擦桩基桩土间极限摩阻力取值问题探讨   总被引:1,自引:0,他引:1  
陈银生 《世界地质》1999,18(1):54-59
通过对广珠东线高速公路横沥大桥的试桩及土体的工程地质条件分析,总结出影响摩擦桩基桩土间极限摩阻力取值的一般问题以及解决问题的方法和措施。  相似文献   

18.
19.
In order to characterise the influence of the heavyrains on the observed landslides during the 1996–1997hydrological cycle, rainfall records for the last 100years are analysed from 104 stations in easternAndalusia. Regarding the amounts of rain recordedbetween October 1996 and March 1997 in the 104stations studied, 31 presented new all-time records;15 presented values that were 80–100% of thepre-1995 record; 49 stations, 80–50%; and 9stations, < 50%. A map has been devised of thesusceptibility of the materials through which thesouth-eastern Andalusian road network crosses,together with an inventory of the damage caused byinstability phenomena on banks and cuttings of theroad network during the winter of 1996–1997. Therelationships between the rainfall during the studyperiod, the damage caused to the road network and thesusceptibility of the materials affected are analysed.The results indicate that there is a clearcorrespondence between the rainfall recorded and thesusceptibility of the materials with the inventorieddamage. It is concluded that the widespread seriousdamage caused in early 1997 to the roads andsurrounding areas in the Alpujarra region and thecoast of the Province of Granada was mainly caused bythe extraordinarily heavy rains. However, considerablyless damage was observed where the susceptibility ofthe terrain is low, thus highlighting the extremeusefulness of terrain-susceptibility maps for riskprevention and territorial planning.  相似文献   

20.
The structure of the eastern Pyrenees consists mainly of south-directed thrusts involving basement and cover rocks. An antiformal stack developed by the piling up of basement thrust sheets which outcrop in the Axial zone. These structures account for a thin-skinned thrust model rather than a vertical fault model in which the Axial zone would be essentially autochthonous, and the North-Pyrenean fault the axial plane of a fan thrust system. New data from the Eastern Pyrenees and the thin-skinned model suggest that(1) the structure east of the Pedraforca nappe is similar to that of the Central Pyrenees; (2) the cover rocks of the South-Pyrenean units and of the Axial zone-after restoration—built up a northwards-thickening prism consistent with the existence of a unique Pyrenean sedimentary basin during Mesozoic time; (3) the Axial zone is only a complex antiformal stack developed as a part of South-Pyrenean system related to the Paleogene thrusting-tectonics. The Axial zone palaeogeographic area had no special meaning during Mesozoic time.  相似文献   

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