• 率较高,表面积主要分布径较小的过渡孔段隙的连通性差,煤层渗透率极低

    The distribution of pore surface area is mainly in micro and transitional pore; the pore connectivity is poor and the permeability of coal seam is extre…

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  • 建立了套管弹性抗挤性能分析控制一般方程采用摄动理论给出了的孔段套管弹性抗挤能力降低系数一般计算公式

    This paper gives the elastic differential equation of collapse of perforated casing, and a general formula for reduction factor of elastic collapsing by perturbation method.

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  • 高台微差爆破技术我国首次应用中小型石灰石矿山高台开采提供切实可行方法

    Millisecond delay technology of high step and deep hole is the first application in China, it offers a realistic method for high step exploitation of middle and small scale limestone mine.

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  • 面神经由茎乳出颅,经腮腺分布面肌。

    Facial nerve was divided into three segments (parotid gland, masseter and cheek) after leaving skull from stylomastoid foramen.

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  • 对于地区的社区来说,经济上的不安,水患之后,还要持续时期

    For communities such as Klong Toey the economic anxieties will remain long after the floods recede.

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  • 剩下的断桥从此成为了一历史的见证

    It is now a severed bridge with only four arches. It has since become a witness of history.

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  • 全新电源系统,针对大面积加工电脑可选定伺服速度,加工性能优异可保持放电精密度

    Newly designed power supply system. While in machining big surface and deep hole, the computer provides two steps servo feed for superior machining quality and discharge accuracy.

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  • 进而介绍了由于设计、施工等几种常见可能引起框架产生裂缝原因,并京九线里程的二框架桥出现裂缝情况分析出现裂缝的原因裂缝危害性

    The author took the crack case of one of two-hole frame bridges in the Jingjiu Railway Line as an example to analyze the reasons of its crack and the danger of crack to the sa.

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  • 透明的画面:窥视距离外部透明画面上的风景,通过变动透过画面的光线,可获得不同的画面效果

    A scene reproduced on cloth transparencies with various lights shining through the cloths to produce changes in effect, intended for viewing at a distance through an aperture.

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  • 早期沉降型埋藏地层埋藏较深,店组具有生排能力,早期排出烃存在一个保存问题

    In the early subsiding region, both the Kongdian Formation (E k) and the Shahejie Formation fall into oil window, but preservation of the expulsed oil and gas is a problem.

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  • 组成江汉盆地潜江凹陷潜江组非砂岩储层岩石主要为泥晶白云岩钙芒硝岩、泥岩及其混积岩,渗性普遍较差。

    Nonsandstone reservoirs between salt beds of Qianjiang Formation in the Qianjiang Sag of the Jianghan Basin are mainly composed of dolomicrite, glauberite rock, mudstone and their peperite.

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  • 施工例,较为详细地介绍铁路既有线改造工程并行桥涵施工中采用防护设计原理

    Give a more detailed description of the design principle that used protection with dug pile in transformation of existing railway bridge and culvert construction in parallel paragraph.

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  • 重复步骤(3)通过(6)包装蓝松年左右黄色,通过饲料完成第二

    Repeat steps (3) through (6) to wrap the blue loose end around the yellow loop, feed through the hole and pull tight to complete the second stage.

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  • 采取何种高效优质安全施工方法完成跨海非通航桥墩承台施工东海大桥工程建设能否取得成功关键之一

    An efficient, excellent and safe way to complete the construction of pier footings at the non-navigable spans over the sea is one of the key points for the success of the East sea Bridge Project.

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  • 目的探讨结构转头引起寰枢动脉狭窄或闭塞临床解剖学意义

    Objective: To study the clinical significance of axis transverse foramen in the etiology of the vertebral artery insufficiency after cervical rotational movement.

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  • 川西须家河组2气藏属于致密深层气藏,地层压力破裂压力

    Gas reservoir in Xujiahe Section 2 in west Sichuan are low porosity, low permeability, deep, high formation pore and fracture pressure, etc.

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  • 镜下鉴定激光拉曼测试结果表明预先导(CCSD-PP2)第一岩的主要矿物为角闪石、石榴石、黑云母和钠长石,是榴辉岩退变质作用产物。

    The main mineral assemblage of the garnet-amphibolite from the first part in CCSD-PP2 is amphibole, garnet, biotite and albite, which resulted from retrograde metamorphism.

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  • 亚利桑那共和报》评论员比尔?古蒂茨评论这部电影为:“(《在海边》)时尚杂志推出催眠视频。”

    "It's like a fashion magazine put out a video to help you sleep, " Arizona Republic reviewer Bill Goodykoontz remarked.

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  • 研究区葡萄花油层主要储层,连通性,非均质性

    Putaohua oil bearing reservoir primarily is middle prosperous and low permeable with sand bodies of bad conjunction and high heterogeneity.

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  • 关于锚索内锚固注浆体之间峰值抗剪强度目前很少试验资料可供采用。

    At present, very little test data is available about the peak shear strength between the grout and the bore wall in the interior bond section of prestressed anchorage cable.

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  • 硬格式软盘冲出若干个作为起始标志。

    In a hard-format, actual holes are punched on the disk, to mark the beginning of the new sector.

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  • 合同石方爆破采用控制爆破光面爆破结合的施工方案

    The stonework blasting of this contract USES construction program that combine blasting deep hole and smooth blasting.

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  • 钢厂转炉炉壳与托圈联接方式初始设计联接,该种联接装置使用时间发现悬盘悬盘磨损较为严重

    After using this kind of connection equipment for some time, heavy wear was found at pan and the suspending pan hole.

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  • 三嵌共聚物P123F127选择作为超分子模板用以设计构筑微-多级道金属-有机骨架

    Triblock copolymers P123 and F127 were also chosen as supramolecular template to design and construct hierarchically micro-and mesoporous metal-organic framework.

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  • 提出黄河宁蒙的十大兑、库布齐沙漠毗邻的砒砂岩地区黄土高原水土流失严重地区

    Kongduis (small river formed by ice flowing), Kubuqi Desert and the adjacent zone are an area where the soil and water lose most seriously in Loess Plateau.

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  • 为了解决这个问题作者分析车削削 )加工台阶时 ,误差产生原因设计了车削台阶专用机床工件旋转为主运动 ,两把车刀从两端进给运动 ,分别车削两台阶

    To solve this problem, The author analyzes the reasons why the errors are generated in turning (boring) and designs the special machine, in which the rotation of part is main moveme.

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  • 东方扁虾雄性生殖系统精巢输精管雄性生殖三部分组成,输精管可分为前、中、后三

    The male reproductive system of Thenus orientalis is composed of paired testes, vas deferens and male gonopores.

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  • 第二第三分别是中和微扩散过程,颗粒内扩散为速率控制步骤

    The second and third fractions were mesopore and micropore diffusion respectively, and the intraparticle diffusion was the control step.

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  • 针对大港油田地区冲积环境储层,开展了流动单元划分参数筛选流动单元分类方法研究

    Parameter screening and classification method of flow unit were studied in alluvial environment in Kong 1 member in Kongnan area of Dagang oilfield.

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  • 针对大港油田地区冲积环境储层,开展了流动单元划分参数筛选流动单元分类方法研究

    Parameter screening and classification method of flow unit were studied in alluvial environment in Kong 1 member in Kongnan area of Dagang oilfield.

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