Of the five stages deformation, the exact ages of the (2) and (3) were determined by 40Ar/39Ar method as 290 and 259 Ma respectively.2. New results on the metamorphic belts and associated metamorphism of the Xiaopu metamorphic rocksBased on detailed microtextural observations and occurrence of typical metamorphic minerals, five metamorphic belts in the Xiaopu metamorphic rocks are identified. From the north to the south, they are biotite belt, garnet belt, staurolite belt, andalusite belt, and sillimanite belt. I suggested that the metamorphic belts occurred in the Xiaopu area belongs to the high temperature/low pressure series, may have resulted from the later Permian crust extension at ca. 290 Ma.3. I suggest that there may have been a Carboniferous backarc basin along the southern slope of the Harlik Mountain.Detrital Zircon SHRIMP U-Pb dating indicated that the sedimentary age of the Julideneng formation lithic sandstone must be later than late Devonian, most likely is Carboniferous rather than previously thought Precambrian. Analyses on its geologic setting, location of provenance, and sedimentary environment suggest the Carboniferous strata may form in a lagged backarc basin bounded by backarc uplifts.5. Reconstruction of the post-Paleozoic tectonic evolution history of the Harlik MountainThe tectonic evolution of Harlik mountains since the Paleozoic were reconstructed as followings:(1) arc-affinity magmative activities occurred during the middle-Ordovician to early-Silurian;(2) the middle-Silurian to late-Devonian was a back-arc uplift stage;(3) back-arc extension featured the Carboniferous period;(4) post-collisional extension and/then compression during Permian;(5) at the Mesozoic, differential uplift developed; and (6) the late Cenozoic is the intra-continental re-orogen stage.6. Primary estimation of the crust shortening is madeThe folded pre-Mesozoic strata were used to estimate crust shortening along the Harliknanshankou-Koumenzi, Shichengzi-Baishitou, and Qincheng-Xiaopu sections. Their shortening ratios are 16.2%, 19.8%, and 20.1% respectively corresponding crust shortening are 4.3, 9, and 11.3 km.

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In one word, based on historic facts and respecting truth, the author tries to avoid the tendency of subjectivity, one-sidedness and simplism in observing and appraising the process, roots and significance of the evolution of British two-party system, therefore, this dissertation provides certain helpful reference for the study on contemporary British Politics and society as well as the evolution of the contemporary Western capitalism.

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At the same time, it puts out the theory of multi-space of technology action, analyses the super circulated procession of technology evolution and its pattern as well as the situs structure of technology orbit space, reveals the law and controlling method of technological evolution.

同時(shí)A片毛在线视频欧美，還提出了地球表層學(xué)視野技術(shù)活動(dòng)的多維空間的概念免费色三级域名。分析了技術(shù)進(jìn)化的模式、超循環(huán)過(guò)程和技術(shù)系統(tǒng)進(jìn)化的形式模型及其技術(shù)軌道空間拓?fù)浣Y(jié)構(gòu)xx666.xxxx，并進(jìn)一步揭示了技術(shù)系統(tǒng)進(jìn)化的規(guī)律和控制方法9l视频。

According to instantaneous velocity fields and vorticity fields measured with SPIV, detailed analysis of the evolution of tip leakage vortex at both design and near stall conditions is presented in this thesis and the different phases of the evolution of the tip leakage vortex, the formation, becoming unstable and the interaction between small-scale vortices and the mainstream can be clearly observed in the experiment results.

SPIV測(cè)量結(jié)果表明壓氣機(jī)轉(zhuǎn)子葉尖泄漏渦在設(shè)計(jì)和近失速狀態(tài)下均存在形成、發(fā)展壯大和失穩(wěn)分裂的演化過(guò)程24小时免费看成年女人18级毛片毛片免费。

On the basis of this ,the paper discussed the different evolution stage accompany with the core industry's evolution and the dissimilarity for produce evolve a stage of policy direction.

在此基礎(chǔ)上国产黄A黄色，論述了產(chǎn)業(yè)集群伴隨著核心產(chǎn)業(yè)的演變而產(chǎn)生的不同的演進(jìn)階段以及不同演進(jìn)階段的政策導(dǎo)向。

Extending the dynamic evolution model of technology standard with network externality to the case of multi firms, based on a stochastic dynamic game model and exploring intensively the effect of network externality on the technology evolution.

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A good many mico-landblock of the early Neoproterozoic-Cambrian volcanic rock that distribute in the Tianshan orogenic belt and on its both sides, and the Carboniferous-Permian volcanic rocks that widely distribute in the Tianshan and adjacent regions are selected for subject investigating in this paper. Renewing the ocean-land format and ocean-land conversion process of Tianshan orogenic belt in the Paleozoic is the masterstroke for this paper. On the basis of detailed field investigation, many subjects, such asregional lithology艹屄视频在线观看、geochemistry、structural geology日本网站在线视频大全观看免费、volcanic sedimentology geology又长又大又粗又硬的免费A片、sotope geochronology and synthesis analysis study of geophysics data, are adopted as instrumentality in the paper, this study lays emphasis on the formation, evolution and dynamics of early Neoproterozoic-Cambrian and Carboniferous-Permian volcanic rock in the Tianshan and its adjacent regions to find out Carboniferous-Permian volcanic rock property, eruptive sequence, time and space distribution characteristics, to resume and reconstruct evolution process of Carboniferous-Permian volcanic rock, and to explore connection of magmatism process and lithosphere stretching action of neopaleozoic ocean-land transformation in the Tianshan region.

本文選擇分布于天山及其兩側(cè)的諸多微陸塊上新元古代—早寒武世火山巖和天山地區(qū)廣泛發(fā)育的石炭紀(jì)—早二疊世火山巖為研究對(duì)象，以恢復(fù)重建天山造山帶古生代洋陸格局和洋陸轉(zhuǎn)換過(guò)程為主線(xiàn)插a片，在詳細(xì)的野外工作基礎(chǔ)上国产日韩欧美aaa黄片，綜合運(yùn)用區(qū)域巖石學(xué)、地球化學(xué)老熟妇乱子A片免费、構(gòu)造地質(zhì)學(xué)AV免费在线啦、火山沉積學(xué)、同位素地質(zhì)年代學(xué)av九一、區(qū)域地球物理資料綜合分析研究等多學(xué)科手段欧洲人与动牲交Α欧美精品，重點(diǎn)研究天山及其鄰區(qū)新元代—早寒武世和石炭—二迭紀(jì)火山巖系的形成演化及其動(dòng)力學(xué)亚洲欧美另类在线专区，查明天山石炭紀(jì)火山巖系的性質(zhì)、噴發(fā)序列69视频免费观看、時(shí)空分布特點(diǎn)AAAAA黄片免费观看，恢復(fù)重建其形成演化過(guò)程，探索天山地區(qū)晚古生代洋陸轉(zhuǎn)換過(guò)程中火山巖漿作用與巖石圈拉伸作用的關(guān)系欧美乱伦网站。

The main purpose of careful observations on external appearance and internal anatomy is to throw light on the evolution of the modem family Pinaceae:To Pinus, attention is paid to the relation of different subgenera, sections and subsections; to Pseudoaraucaria and Pityostrobus, through analysis of the extinct types, trying to clear the evolution relations among all genera so as to finish the systematic tree is of most importance. Currently there are two hypotheses, i.e. Pinus center theory and Pseudoaraucaria branch theory.

對(duì)松科化石球果進(jìn)行細(xì)致的外部形態(tài)及內(nèi)部結(jié)構(gòu)的研究主要目的在于演化關(guān)系的探討上：對(duì)于Pinus国产一级毛片无码aaaaaa，主要探討這個(gè)屬內(nèi)各個(gè)亞屬、組亚洲一级婬片A片AAA毛片to、亞組之間的演化關(guān)系；對(duì)于Pityostrobus和Pseudoaraucaria公侵犯人妻中文字幕在线视频，通過(guò)絕滅類(lèi)型的分析亚州AV无码专区在线电影，探索松科內(nèi)各個(gè)類(lèi)群的演化關(guān)系進(jìn)而完成進(jìn)化樹(shù)是研究的主要方向，現(xiàn)在這方面已有了Pinus中心說(shuō)及Pseudoaraucaria分支說(shuō)兩個(gè)假說(shuō)H视频在线看一区。

The simulation of CBM evolution history indicated that CBM evolution history in Sunan syncline area could be classified into four stages.

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Chapter 2 is devoted to study of exact solutions of the nonlinear evolution equations. Using solutions of a Bernoulli equation instead of tanh in tanh-function method we find some more general solutions of the KdV-Burgers-Kuramoto equation , and by using the nonlinear telegraph equation we show that there are many different choices on its balancing number m and the power n of the nonlinear term in Bernoulli equation by which we can recover the previously known solutions and also can derive new square root type solitary wave solutions. Exact solitary wave solutions for a surface wave equation are obtained by means of the homogeneous balance method. We also present an approach for constructing the solitary wave solutions and non-solitary wave solutions of the nonlinear evolution equations by using the homogeneous balance method directly, which is also used to find the steady state solutions, solitary wave solutions and the non-solitary wave solutions of the 2+1 dimensional dispersive long wave equations. The soliton-like solutions of the BLMP equation and the 2+1 dimensional breaking soliton equation are found by use of the symbolic-computation-based Method.

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