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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.
根据Ar-Ar热年代学研究,精确测定了早二叠世伸展变形和晚二叠世挤压变形的峰期时代分别为290Ma和259Ma.2、提出了关于哈尔里克山南麓小铺一带变质带和变质作用的新认识根据显微观察资料和特征变质矿物的出现,把小铺一带的变质岩由SW向NE方向依次划分为黑云母带、石榴石带、十字石带、红柱石带和矽线石带等变质带;初步确定该区的变质作用属于中温-低压型,变质作用发生的时代为290Ma左右,是该区早二叠世地壳伸展的产物。3、首次提出哈尔里克山南麓在石炭纪可能发育弧后盆地的新观点根据哈尔里克山南麓原&居里得能组&岩屑砂岩的碎屑锆石SHRIMP U-Pb定年,确认这套地层的沉积不早于晚泥盆世,很可能是石炭纪,而不是前人所说的前寒武纪;结合对其区域地质背景、源区位置和沉积环境分析,推测该区石炭纪可能为滞后弧后盆地和弧后隆起区构造背景。4、进一步证明哈尔里克山不发育与岛弧演化相关的泥盆纪岩浆活动根据对代表性闪长岩和花岗岩的锆石SHRIMP年代学研究获得的新资料,结合该区已有相关资料的综合研究,确定哈尔里克山岩浆岩分别形成于奥陶纪-志留纪和石炭纪晚期-二叠纪,不存在泥盆纪的岩浆岩,进而认为该区泥盆纪不属于岛弧环境。5、重建了哈尔里克山古生代以来的地质演化过程根据区域资料以及本次研究所获得的资料,把哈尔里克山古生代以来的构造演化划分中奥陶世-早志留世为岛弧、中志留世-晚泥盆世为弧后区、石炭纪弧后伸展、二叠纪为后碰撞伸展与挤压、中生代差异隆升和晚新生代陆内再造山过程等构造阶段。6、初步估算了哈尔里克山地壳缩短率和缩短量根据前中生代地层褶皱估算的哈尔里克山南山口-口门子、石城子-白石头和沁城-小铺三条剖面的地壳缩短率分别为16.2%、19.8%和20.1%,相应的地壳缩短量分别为4.3km、9km和11.3km。
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Here I reported new structural data to answer above question, including field section observations and geologic map with large scale in a key area, accompanying with detail microstructural observations, quartz C-axial fabric analyses, and tectono-thermogeochronology (40Ar/39Ar and zircon SHRIMP U-Pb method). Taking available previous data into account, following progression is achieved:1. Completely rebuilding the post late-Paleozoic deformation history of the Harlik MountainFive stages of deformation were identified:(1)pre-Permian compression deformation which may have resulted from pre-Permian subduction;(2) earlier Permian post-collision extension;(3) middle Permian west-east directed dextral slip shearing;(4) later Permian nearly N-S compression deformation; and (5) later Cenozoic intra-plate N-S compressional deformation.
本文选择新疆东部哈尔里克山为研究对象,通过详细的野外路线地质构造调查和关键地区大比例尺地质填图,以及室内显微结构观察、石英岩组分析和构造热年代学(Ar-Ar和锆石SHRIMP U-Pb定年)研究,结合前人研究成果,取得了如下新进展:1、系统重建了哈尔里克山晚古生代以来的变形历史识别和确定了该区板块俯冲碰撞阶段的二叠纪以前挤压变形,后碰撞阶段早二叠世伸展变形、中二叠世近东西向右行走滑变形和晚二叠世近南北向挤压变形,以及板内演化阶段的晚新生代南北向挤压变形等5期构造变形事件。
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He compared intra-individually the effect of six different topical products( Hirudoid cream, various heparin and heparinoid creams) on experimentally induced superficial weals in healthy volunteers.
他比较了六种不同外用药物(疗妥乳膏,各种肝素和类肝素乳膏)试验人为造成的浅表伤痕的疗效,受试者为健康志愿者。
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Through analysing and comparing the plain X-ray films and longitudinal-section tomographs of 11 cases of the injury, it was suggested that the latter could clearly show the shape, size and range of the intra-articular fracture and obtain The com-plete tcmography of the fracture, and thus benefit the clinical typ...
通过11例该类损伤患者的X线平片及纵断作层片的分析比较,认为纵断体层摄影可清晰显示关节内骨折的形状、大小、范围,获得完整的骨折分层像,从而有利于临床分型,对骨折的诊断及指导治疗有较大的应用价值。
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The back office support group is available at all tomes to assist with special offsets and intra-day reports.
后面办公室支持组有时间在所有大型书本协助特别垂距和内部天报告。
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It is the first example foundin tellurides that the third component inserts the intra-layer region as well as the interlayer one. This statisticoccupation of Ni atom between layers also produces variouschemical environments around metal and non-metal atoms in thiscompound.
第三组元金属插入层内的同时也插入层间,这在碲化物中是很少见到,并使该化合物中金属和非金属的局部化学环境多样化。
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Its long enough, however, to further warm to the Yaris. This supermini is definitely inter-city as well as intra-, and as we veer left into France Im happy to up the pace over some give-and-take roads: were running out of time and light.
随着我们左转进入法国,我很高兴能够避开一些不必要的道路,因为我们的时间不多了,而天色也在变暗。
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Results Wound infection and liquefaction occurred in eight cases. No severe complications, such as stomal leak and intra-abdominal infection, and no perioperative death were recorded.
结果 本组病人无吻合口漏、腹腔感染等并发症发生,切口不同程度液化感染8例,无围手术期死亡。
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Flow activities inside the half stented aneurysm model were significantly diminished, specifically the pressures and wall shear stresses in the blob were decreased. It can be concluded that half bridged endovascular stents can promote intra-aneurysmal thrombus development and attenuate aneurysm rupture risk, and it is a feasible approach to treat aortic arch aneurysm.
仿真结果表明:半桥支架模型瘤腔内的流动受到明显抑制,特别是局部突起处的压力和壁面切应力大大地减小了,因此,半桥支架可以促进瘤腔内血栓的形成,并能减小动脉瘤破裂的危险,是一种可行的支架治疗动脉瘤的方法。
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The objectives of the study were to construct a nonstented and a half stented aortic arch aneurysm models with blebs, demonstrate the detailed flow patterns, pressure and wall shear stress distributions around the aneurysm, and examine whether half stented aneurysms have preferable intra-aneurysmal hemodynamics for thrombus and occlusion.
为展示动脉瘤附近的详细流动情形和压力、壁面切应力分布,检验半桥支架是否具有可以促进瘤腔内血栓、闭锁形成的血流动力学特征,构建了无支架和半桥支架治疗带局部突起的主动脉弓动脉瘤模型。
- 推荐网络例句
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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".
歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。
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This is Kate, and that's Erin.
这是凯特,那个是爱朗。
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Articulate the aims, objectives and key aspects of a strategic business plan.
明确的宗旨,目标和重点战略业务计划。