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The model holds that the Aqike anticline was formed by both fault-propagation fold process and fault-bend fold process. It is a fault-anticline structure formed by three stages and composed vertically of three parts, i.e., autoch-thonous system, para-autochthonous system, and allochthonous thrust block.

结合地震解释剖面、区域构造背景及前人研究成果,建立了阿其克背斜形成过程的地质模型,认为它是在断层传播褶皱和断层转折褶皱共同作用下,以断层传播作用为主分3个阶段形成的断坡背斜构造,垂向上自下而上分原地系统、准原地系统和外来系统中的推覆体3个构造层次。

Angiogenesie and vasculogenesis comprise the mechanisms that responsible for the development of new blood vessels. Vasculogenesis is the process of in situ formation of blood vessels from endothelial progenitor cells or angioblast. Angiogenesis involves extension of the already formed primitive vasculature by the sprouting of new capillaries through migration and proliferation of previously differentiated ECs.

新血管形成的机制有血管生成和血管新生,前者是血管内皮前体细胞或成血管母细胞在原位分化为内皮细胞并形成血管的过程,后者则是已经分化的成熟内皮细胞移行并增生使原有血管延伸。

Study on culture of osteoblasts from neonatal rat's calvaria in simulated weightlessness.

骨形成蛋白作为一种很强的促进骨质形成的细胞因子,在骨吸收方面也有重要的调节作用,近年来对它的研究非常广泛深入,但是在失重性骨质疏松中的相关研究却极少。

This dissertation was focused on the research about the formation and evolution of NQB from the Late Triassic to the early middle Epoch of Jurassic Period, including integrated analyzing the characteristic of the key stratigraphic surfaces, the time of the key stratigraphy, regional rock straigraphy, biostratigraphy and chronostratigraphy, sedimentary system and depositional facies. On basis of these analysis, a tectonic evolution model have been established for NQB during from the Late Triassic to the early middle Epoch of Jurassic Period.1. After the systematic surface analysis about main stratigraphy units, we found that:(1) the bottom of Xiaochaka formation was comformity with the middle Triassic in the basin, and in the north margin it was deposited and overlapped on the different period stratigraphy before Triassic.(2) The top surface of Xiaochaka formation developed regionally karst and paleo-karst breccia, and was uncomformity with Nadigangri Formation, these things suggest that NQB in Xiaochaka depositing stage was developed from middle Triassic basin, and then an extensive regression occurred, the deposition was over and erosion come into being.(3) The lithologic assemblage, geochemistry, mixed fossils, and stratigraphy overlapping characteristic of Quemocuo Formation in early middle Jurassic indicted that the uncomformity surface was an extension-unconformity.2. Integrated analysis about stratigraphy division and correlation indicted that:(1) the paleontologic assemblage of Xiaochaka formation show its time was Carian -Norian stage of late Triassic. According to it was overlapped by late Triassic Nadigangri Formation, so Xiaochaka formation should be Carian - early Norian stage.(2) the SHRIMP Zircon U-Pb age of Nadigangri formation volcanic rocks wear vary form 216 to 205 Ma, so its time should be Norian, but maybe extended into Rhaetian Stage.(3) The age of its bottom volcanic rocks, the fossil assemblages of its middle and upper members and overlapped by lower Jurassic, indicted the age of Riganpeicuo Formation was Norian - Rhaetian stage. And the same time, the volcanic rocks geochemistry of Nadigangri and Riganpeicuo formation both reflected that they wear formed in rift tectonic settings. The lower lithologic and surface characteristic, fossil assemblages and its upper maybe was conformity with lower Jurassic, all reflected that the age of Tumengela Formation in Tumen area should be Norian - Rhaetian stage.

论文对晚三叠世—中侏罗世早期盆地的形成与演化开展了研究,包括关键地层界面特征分析、关键地层时代归属分析、区域岩石地层、生物地层和年代地层的综合对比分析、区域沉积体系与沉积相分析、岩相古地理分析,最终建立晚三叠世—中侏罗世早期羌塘盆沉积—构造动力演化模式。1、系统的对各地层单元的界面分析发现:(1)肖茶卡组底界在盆地内部与中三叠统整合关系,在盆地北缘为沉积超覆于不同时代的前三叠系之上:(2)肖茶卡组顶界面发育古岩溶角砾岩,与上覆那底岗日组为岩溶不整合接触,说明肖茶卡组沉积时期的羌塘盆地是在早中三叠世的盆地基础发展起来的,后期出现了广泛的海退事件,使盆地结束沉积并遭受风化剥蚀作用;(3)中侏罗统雀莫错组的岩性组合特征、岩石化学特征、古生物化石混积和地层的沉积超覆现象均表现出裂陷环境下形成的伸展不整合面的特征。2、综合地层划分与对比分析认为:(1)肖茶卡组古生物化石组合反映其时代为晚三叠世卡尼期—若利期,根据其上被上三叠统那底岗日组不整合覆盖,将其时代厘定为卡尼期—若利期早期;(2)那底岗日组火山岩SHRIMP锆石U-Pb年龄在216~205 Ma之间,其时代主要为若利期,可能包含有瑞替期:(3)日干配错组底部火山岩的年龄、中上部化石组合及其被下侏罗统整合覆盖,综合反映的时代为晚三叠世若利期—瑞替期,而且那底岗日组火山岩和日干配错组火山岩的地球化学成分分析反映两者均为引张构造背景下的产物;土门地区的土门各拉组的下部岩性及界面特征、化石组合和上部可能被下侏罗统整合覆盖,综合反映其时代为若利期—若利期。

These [Zn_4]~(2-)-groups as growth units could easily superpose on anodic plane of ZnO single crystals, but difficultly grow on cathodal plane of ZnO single crystals.

在蒸发自组装法制备中,由于嵌段共聚物F_(127)的的两亲性能,ZnCl_2发生醇解反应而形成的醇盐Zn_(2-x)_x互相结合而形成胶束。

For this reason, the contents of cellulose, hemicellulose, and lignin were measured as well as the activities of pheylalanine ammonia-lyase, cinnamyl alcohol dehydrogenase and peroxidase at different growth periods of pod.

结果表明,豌豆硬、软荚发育形成的主要差异为内果皮细胞的变化,而革质膜在豆荚发育的早期既已形成。

HCPE realizes the completement of PE education; it shows directions for the non-hidden curriculum in a certain degree; it arouses students" various psychological elements in the study of non-hidden curriculum, develops students" understanding of non-hidden curriculum and improves the students" study interests; it can speed the development of students" personalities and ideology character.

一类是精神文化要素,包括在学校体育活动中所形成的各种人际关系、学校中所形成的制度与非制度的体育文化、教师人格等。

The depositional environment is the main factor for high-sulfur coal formation, and so is the participation of bacteria and algae.

聚煤环境是高硫煤形成的主要控制因素,在成煤作用过程中,细菌和藻类的参与是高硫煤形成的关键所在。

It is nothing else than impurities prenatally inherent in ore that seriously affect the quality of the latter, which is formed as a result of geological vicissitudes including diastrophic movement, eruption of volcano, sedimentation, glaciation and weathering etc., under the action of which pyrogenic rocks, volcanic complex, aqueous rocks, sedimentary rocks etc., come into being, some of which exist in a stage of symbiosis, the main cause of the absence of pure rocks in nature, wherein lies the reason for the need of separation technology and apparatus, namely, ore-dressing devices and equipment, so far impotent to meet the requirements of metallurgical industry the scientists make every endeavor to elevate to a new high by laser separation.

没有什么比矿石形成之前就存在的杂质对矿石品质的影响更为重大。矿石是火成岩、火山群、水成岩、沉积岩等成形时,在包括地壳运动、火山爆发、沉积、冰蚀、风化等地质变化的作用下而形成的。而有些地质变化在一个发展阶段中存在共生现象。自然界无杂质岩石缺乏的主要原因在于需要分离技术和设备来完成,即:需要选矿设备和装置。而迄今为止,这些设备还难以适应冶金业的需要,虽然科学家们尽一切努力用激光分离技术将冶金业提高到一个新的高度。

Yet in many vertebrate groups, teeth are not restricted only to the oral cavity, but extend posteriorly as pharyngeal teeth that could be derived either directly from the endodermal epithelium, or from the ectodermal epithelium that reached this location through the mouth or through the pharyngeal slits.

但在很多脊椎动物里牙齿的发育不仅只有上述来源,还有向后延伸形成的咽部牙齿,可能由内胚层上皮或经由口腔或口咽裂至此部位的外胚层上皮形成。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。