内蒙古东部城市游泳爱好者锻炼现状的研究

采取了问卷调查、实地考察、访谈调查、数理统计法，对内蒙古东部城市游泳爱好者锻炼状况进行了调查，其目的了解他们锻炼的动机与目的、锻炼的习惯、时间、次数及消费水平情况，同时对影响游泳爱好者锻炼的因素进行了分析．     

冀东几种土壤物理性质的探讨

本文以土壤水吸力测定仪为主要手段,对冀东几种土壤低吸力段不同吸力值与含水量的对应值进行了测定,得到了土壤容重、总孔度、毛管孔度、非毛管孔度、各级当量孔度和三相比等物理参数,从而看出它们对土壤肥力的影响。     

“东汉太守谷永”献疑——从辩证“谷公井”开始

“谷公井”遗址现存广西贵港市(古属郁林郡).民间盛传凿井的“谷公”是东汉灵帝郁林太守“谷永”.此说最早载于南北朝时期范晔《后汉书》,此后的“文抄公”接踵而出,但皆非史实.据考证,西汉成帝时已有一位太守“谷永”,晚年南迁湖南,开创耒阳谷氏;到了三国时期,新的谷氏培养出一位九真太守谷朗(218-272).现据《吴九真太守谷府君(朗)碑》记载推测,谷朗曾祖父“豫章府君”和祖父“公府君”二人皆与凿井人的时事相符.但是,北宋欧阳修(1007-1072)认为,“豫章府君而下三世,皆莫知其名字”,已然否定“东汉谷永说”.所以,水井是东汉年代的,但凿井人绝非是今日妇孺确知其名的“谷永”;《后汉书》记载中的“太守谷永”,来路不明;而自清代以来的东西两汉“两谷永”的说法,更站不住脚.总之,东汉不知名的“谷公”在岭南“以恩信招降乌浒人十万”、“开置七县”的伟业,显然都不能一错再错地硬拉到一位子虚乌有的“谷永”身上.     

南岭大瑶山雾区锋面降水的雨水化学成分研究

使用1999年1月和2001年2-3月在南岭山地采集的雨水样品资料,分析了南岭山地雨水的化学组分;对4次典型锋面过程伴随降水的雨水离子浓度及其可能的来源进行了分析;发现酸雨的频率达88%,酸雨的危害十分严重.南岭山地的浓雾伴随的降水,其雨水中的诸离子浓度远低于雾水中的值,因而,雾不但造成视程障碍,而且是高浓度污染的微粒,对人体健康十分有害.不同过程雨水的化学特征变化差异明显,在雨水中浓度最高的阴离子是SO2-4, 其次是Cl-;在阳离子中Ca2 、NH 4的浓度最高.雨水比雾水更酸,说明虽然雾水中的离子浓度较雨水高得多,但大量的离子成分中存在更多的缓冲物质,比如说NH 4和Ca2 .不同降水过程间雨水离子浓度的富集存在差异,总体而言南岭山地锋面降水的雨水化学成分主要受大陆环境和人类活动的影响.     

Nd isotopic characteristics of post-Archean sediments from the Eastern Nanling Range： Evidence for crustal evolution

A systematic Sm-Nd isotopic study was carried out for sediments and metasediments of different ages from Mesoproterozoic to early Mesozoic era in southwestern Fujian, Eastern Nanling Range. The results show that Nd model age (tDM) and εNd(t) value of most sediments are closely similar to those of Paleoproterozoic Mayuan Group, indicating that they may mainly be the recycling product of Paleoproterozoic crustal materials. However, the Nd model age significantly decreases with a corresponding increase in the εNd(t) value at Neoproterozoic (ca. 0.8-0.7 Ga) and Late Paleozoic (ca. 0.25 Ga), respectively. This is manifested by prominent vales and apexes on the diagrams of tDM VS. tStr. (stratum age) and εNd(t) VS. tstr. The decrease in tDM and the increase in εNd(t) are explained as a result of the significant incorporation of juvenile crustal materials that originated from depleted mantle due to strong lithospheric extension during both periods. It appears that tectonic magmatism in the Neoproterozoic and the Late Paleozoic is of prominent importance in affecting the geochemical nature of sediments in South China.     

EMI型皖东上第三系大陆碱性玄武岩：Nd,Sr同位素证据

本文报导皖东地区上第三系大陆碱性玄武岩的地球化学特征和成因初探，其中８个样品的Ｎｄ、Ｓｒ同位素组成范围为．在大洋玄武岩的Ｎｄ－Ｓｒ同位素平面上，表现为从原始地幔向ＥＭＩ型地幔端元展布趋势．皖东玄武岩具有轻稀土和高度不相容性元素相对富集的微量元素丰度模式，类似于洋岛玄武岩（ＯＩＢ）．皖东玄武岩的源区可能是Ｎｄ、Ｓｒ同位素组成不均一、且富化的大陆岩石圈地幔．     

川东黄龙组角砾岩成因及其研究意义

关于川东黄龙组中广泛发育的碳酸盐质角砾岩成因历来争议。较大，经作者研究认为主要有准同于化破碎、膏盐溶和古岩溶３种成因类型。各类型地质产状、岩石学和矿物学特征、地球化学特征各不相同，其中与天然气储层关系最为密切的是发育最为广泛的岩溶角砾岩，它是确定和预测、评价黄龙组古溶型储层的重要标志之一。     

哈萨克斯坦滨里海盆地东部地区油气成藏条件分析

滨里海盆地是哈萨克斯坦油气资源最为丰富、油气资源储量巨大的沉积盆地.本文以石油地质理论为指导,对滨里海盆地东部地区的构造演化特征及其油气成藏条件进行了深入分析,认为滨里海盆地东部地区的烃源岩条件较好,盐下层系是其油气生成的主要来源;储层发育良好,主力储层为石炭系的KT-Ⅰ层和KT-Ⅱ层;盖层条件较好,下二叠统盐岩层和下石炭统泥岩为主要区域盖层,其中下二叠统盐层对盐下油气藏起到了很好的封盖效果;圈闭发育,存在不整合面、断层和孔、洞、缝等油气运聚通道,组成复杂的油气疏导体系.     

Occurrence of two types of El Nin?o events and the subsurface ocean temperature anomalies in the equatorial Pacific

The relationships between the evolution of two types of El Ni?o events and the subsurface ocean temperature anomaly(SOTA) in the equatorial Pacific are compared in this study. The results show that both types of El Ni?o are negatively correlated to the SOTA in the equatorial western Pacific, but relationships are different in different phases of El Ni?o. Furthermore, the occurrence of different types of El Ni?o is related to different features of the equatorial thermocline, e.g. its zonal gradient, significant variation area, amplitude and duration of thermocline oscillation. The propagation of SOTA in the equator plays an important role during the evolution of both types of El Ni?o, but shows dramatic differences in intensity, duration and phase reverse of warm SOTA. Moreover, the pathways of SOTA signal are different between these two types of El Ni?o. The dominant pathway in the life cycle of Eastern Pacific(EP)-El Ni?o lies on the equator and to its north, but there is no loop to the south of the equator. In contrast, the dominant pathway in Central Pacific(CP)-El Ni?o is located on the equator and to its south, and the propagation signal of SOTA to the north of the equator is very weak.The relationships between the zonal wind anomalies and the two types of El Ni?o are also preliminarily discussed. It is shown that EP-El Ni?o is more likely to respond to the westerly anomalies over the equatorial central and western Pacific, while CP-El Ni?o is more likely to respond to the westerly anomalies over the equatorial western Pacific and need the cooperation of easterly anomalies over the equatorial eastern Pacific to certain extent.     

柴达木盆地中新世中期以来构造的运动学模型

柴达木盆地是位于青藏高原内部的山间盆地,盆地新生代的变形受到两侧山体隆升的主导.通过贯穿盆地地震剖面的精细构造解释和分析,依据生长地层的结构,我们认为自中新世中期以来昆仑山前冲断楔体以平均4.7 mm/a的速度向盆地逆冲,导致盆地南斜坡向昆仑山方向仰冲;这为东昆仑山北麓出露的倾向北向南逆冲的多条断层和盆地南部向南逆冲的断层控制的断层相关褶皱作用所证实.盆地北部祁连山前冲断楔体向盆地方向逆冲,导致盆地北部向北逆冲的断层在地表形成北翼陡、南翼缓的断层相关褶皱背斜,向北逆冲的断层在盆地东部局部位置出露地表.昆仑山前冲断楔体和祁连山前冲断楔体的楔顶已经相向冲断至盆地中部,并造成第四系的变形.