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The study on fossil Orthoptera is of great importance for the further progress in the proper understanding of the origin of Orthoptera, the coevolution between insects and plants, the changes of paleoclimate, etc.

直翅目化石的研究对昆虫的起源、昆虫与植物的协同演化及古气候的演变等研究提供线索。中国已发现的直翅目化石主要分布于辽、冀、内蒙古三省区,其地质时代大部分为中生代。

After over five decades of study on southern China, geologists find that Sinian of Proterozoic and lower Palaeozoic are closely related in terms of formation and structure. Therefore, they are defined as Lower Assemblage in Southern China.

地质工作者经过50多年来对我国南方地区的研究发现,元古界震旦系和下古生界在地层组成和构造运动上都有着密切联系,于是将二者定义为南方下组合进行研究。

By comprehensively using the information of lithostratigraphy, paleobiology, isotope, paleomagnetism, fission track of apatite, well-logging, geophysics and petroleum geology, the characteristics of the sedimentary wave processes in the Tazhong uplift, North depression and the Tabei uplift were studied by the wave process analysis method under the direction of the wave theory of the earth's crust movement in this paper, and the main achievements are as follows

本文以地壳波状运动理论为指导,综合利用岩石地层、古生物、同位素、古地磁、磷灰石裂变径迹、测井、地球物理、石油地质等方面的资料,运用沉积波动过程的研究方法,研究了塔里木盆地环满加尔地区(塔中隆起带,北部坳陷和塔北隆起)的沉积波动特征。

Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows:1. The optimization model of parameter identification of three-dimensional geologic history numerical simulation, algorithm and its applicationGeologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil-bearing basin. According to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porositys non-linear parabolic partial differential equation has been established.

本文应用现代最优化及最优控制理论,对如下一些问题进行了研究: 1、三维地史数值模拟的参数辨识优化模型、算法及应用地史模拟是盆地数值模拟的一个基础性的研究内容,地层孔隙度是含油气盆地地史演化发育过程中的重要参数,根据地层沉积埋藏机理和石油地质的物理化学原理,通过引入数学物理方程概念,建立了泥岩三维孔隙度场方程,根据问题的特点,给出了方程的定解条件,对方程的动边界也给出了处理方法,并且证明了解的存在性与惟一性,在此基础上建立了以当今实测数据为拟合准则的三维地史数值模拟的参数辨识优化模型,这是一个含有二阶偏微分方程约束的泛函极值问题。

He has made systematic high-level research achievements in the study of solar nebular evolution, meteorites, cosmic dust and Apollo lunar rocks, as well as comparative planetology, the climatic and environmental change of, and mass extinction induced by the impact of extraterrestrial bodies on the earth, formation and evolution histories of solar system, two-stage accretion model of earth's origin, original inhomogeneity of the primordial earth and its constraint on metallogeneity and tectonic evolution.

其地下核子试验地质效应综合研究於1978年获全国科学大会奖;吉林陨石综合研究於1986年获中国科学院重大科技成果一等奖和1987年全国自然科学三等奖;《天体化学》专著於1991年获中国科学院自然科学一等奖;月球探测成果更获工业与资讯化部特等奖和国防科工委个人突出贡献奖。欧阳自远院士在国内外已发表专著16部、主编著作14部、论文426篇,培养硕士、博士与博士后65人。

Intimate mode is adopted for the integration of three-dimensional geosciences model and two-dimensional, three-dimensional stability calculation program, while loose mode, completed by data transformation from three-dimensional regular grid to elements acceptable in FLAC 3D, is adopted for underground project.

采用紧密模式,进行了三维地质模型与斜坡稳定性二维极限平衡计算方法和三维最小势能计算方法的集成研究;采用松散模式,进行了地下工程三维规则格网模型与FLAC 3D计算模型之间的集成研究。

Determined by the specific geological background of Longhetun, the characteristics of the soil resources show abundant calcium and leaning to alkaline. Monomial indexes to evaluate the revisal coefficient of soil adapted to karst mountains areas were screened out combined with the function of karst dynamics system and analysis of characters of each factor about fertility in soil. Predigestion model to soil revisal coefficient monomial assessment was established by successful importation of the content of nutrition elements in plant body, latent efficient elements in soil and available thickness of soil in the cranny of epikarst according to the characters that three carriers of soil, soil water and karst water supply nutrition to plants and two layers of foundation consist of surface soil and soil in epikarst cranny, and several types of soil revisal coefficient and weather-soil productive potentiality were calculated, the results show that the soil revisal coefficient was even more practical after modification than before, which make up of innovation of this study.

龙何屯特殊的地质背景条件决定了耕地土壤资源的富钙偏碱的特点,结合岩溶动力系统的作用,系统分析土壤中各肥力因子的特点,筛选出适宜岩溶石山区特点的土壤订正系数评价单项指标,针对研究区存在土壤、土壤水、岩溶水三种载体提供植物营养和表层土、土下表层岩溶带裂隙土两层空间基质的特点,成功引入植物体内营养元素含量、土壤元素隐性有效态含量及土下表层岩溶带裂隙土有效厚度等新参数指标,探讨建立了土壤订正系数单项指标评价简化模型,计算出龙何屯各耕地类型土壤订正系数和气候-土地生产潜力,结果显示修正后的土壤订正系数比修正前更符合实际,成为本研究的创新点。

Based on the research of oil geology characteristic of Xing'anling group in Sudeerte area,by researching the three main accumulation factors source rock,transform pathway and trap for oil formation, showed that the main transform pathway for oil migration in K1n are source rock,unconformity and sand body,and trap related with fault is the main place for oil migration.

在苏德尔特地区兴安岭群石油地质特征研究的基础上,对其油成藏的源岩、输导通道和圈闭3个主要成藏要素进行了研究,得到南屯组是其主要源岩,源断裂、不整合面和砂体是油运移的主要输导通道,与断层有关的圈闭是油聚集的主要场所。

In China the CO2 sequestration security and the efficient use of research is at the international level.

通过上述基础研究,形成具有自主知识产权的CO2地质埋存和高效利用的综合技术,使中国CO2安全埋存—高效利用研究处于国际水平。

The relationship of ore-forming fluid salinity-aqueous cation lg demonstrated that water-rock reaction was also one of the potential gold deposition mechanisms besides mixing with meteoric water. All of these were consistent with that sericitization and pyritization hydrothermal alteration were extensively/intensively distributed (as high as 33%), gold grade linearly correlated with degree of alteration,∑REE depletion and δ〓O enrichment

成矿流体盐度-液相主要阳离子组分1g演化规律研究表明,除与大气降水的混合-稀释外,水-岩相互作用也可能是造成金沉淀的重要因素,这与本文所研究金矿床中绢云母化、黄铁矿化等热液蚀变广泛发育(可高达33%),Au品位与热液蚀变程度、REE亏损量及δ〓O富集规模表现出较为明显的线性关系等一系列地质事实相吻合

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。