• 温度达到3000开尔文(Kelvin,热力热温度,等于摄氏温度加273),这个热量(ringof heat)沿着纳米移动速度将类化学反应(chemicalreaction)的正常传递速度快10000

    With a temperature of 3,000 kelvins, this ring of heat speeds along the tube 10,000 times faster than the normal spread of this chemical reaction.

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  • 套管衬管周围水泥之间形成间隙,这些间隙是由于期间或固井之后温度压力变化所致。

    A small gap that can form between the casing or liner and the surrounding cement sheath, most commonly formed by variations in temperature or pressure during or after the cementing process.

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  • 能够防止空中泥浆管内流动这种回流或者U型管效应的发生。

    The float shoe prevents reverse flow, or U-tubing, of cement slurry from the annulus into the casing.

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  • 采用考虑位移压力计算方法计算环向土压力,得出首节管道后续管节最大土体反力计算公式

    By considering displacement for calculating circular earth pressure, the maximal earth counterforce formulas for the heading and the latter pipelines are deduced.

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  • 板行波管波特性进行详细数值模拟分析。

    A detailed numerical calculation for the propagating wave's dispersion characteristics has been made.

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  • 然而皮肤卷成皮管修复环咽缺损时,由于太臃肿导致阻塞

    However, when the skin of it was tubed for circumferential defects, the bulk could result in obstruction.

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  • 可以改变剪辑重点得到一个设定加载剪辑概述APC4016个旋钮每个发光二极管包围。

    You can shift your clip focus and get an overview of the clips you have loaded for your set. The APC40 has 16 knobs, each surrounded by a ring of LEDs.

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  • 形成层向两侧延伸直至形成一个分生组织,各个维管束间形成层联系在一起

    The vascular cambium extends to form a complete ring of meristematic tissue around the stem, the separate vascular bundles being linked by interfascicular cambium.

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  • 涤纶连接记忆合金组合式人工食管还存在中晚期脱管问题未能完全解决

    However, trachea cannula exodus of terylene tandem ring alloy composite artificial esophagus in middle and late phases cannot be fully solved.

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  • 本文分析计算了石油钻井工程偏心空中转动螺旋流动。

    In this paper the spiral velocity of eccentric annulus with inner pipe turned is analysed and computed.

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  • 介绍电站水轮机进水环管、机喷嘴安装工艺方法相似机组安装提供借鉴

    The paper presents the installation method of main parts such as intake annular pipe, cover and nozzle, providing reference for similar projects.

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  • 段时间里螺杆回复原位,同时旋转实现环节动作,即将熔化材料带入进胶管前端

    During this time, the screw moves back while turning to carry out a new proportioning by bringing material melted to the front of the sprue tube.

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  • 目的探讨导尿管球囊扩张治疗肌失弛缓症可行性

    Objective To explore the feasibility of catheter sacculus expanding therapy for cricopharyngeal achalasia.

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  • 控制合适的操作条件,在油气管线分馏塔入口处增加蒸汽环管可以有效防止结焦

    Coking at the inlet of large gas line to fractionator has been effectively prevented by setting up steam circle pipes under appropriate operation conditions.

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  • 本文840 ~ 950k范围内应用脉冲化学激波测定环氧氯丙烷裂解反应动力学

    The chemical kinetics for the pyrolysis of epichlorohydrin was studied by single pulse shock tube in 840-950k.

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  • 研究了玻璃纤维增强环氧圆柱作为缓冲装置撞击特性,并铝合金圆柱管的吸能特性进行比较。

    The crashworthiness of grass fiber reinforced epoxy tubes as collision bumper is studied and a comparison of absorption property with aluminum alloy tubes is made.

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  • 聚丙烯环管反应器是一种结构特殊设备也是工艺流程十分重要的设备。

    The polypropylene liquid bulking loops has a special structure and is an important device in the technological process.

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  • 采用机理建模方法,研究环管反应器中的液相本体聚合过程。

    The liquid phase bulk propylene polymerization in loop reactor was simulated based on the polymerization mechanism.

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  • 本文介绍采用大功率穿透激光焊接不锈钢制压力容器管子—管环缝试验结果

    This paper introduced the experiment of applying high power, deep penetration laser welding stainless steel tubes-tube plates.

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  • 己烷作为介质,考察了通入空气对内管加热竖直圆柱形环隙沸腾传热性能的影响。

    Heat transfer of nucleate boiling of water and n-hexane in a vertical cylindrical annulus with inner side heated has been experimentally investigated.

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  • 提出带孔盖板自由液浸式环氧灌注圆柱管形换能器声学结构模型

    This paper presents an acoustic structure model of free—flooded cylindrical transducer installed with holed end-caps.

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  • 经过咨询专家意见,采用航海上传统因素分类方法“人机环管分类方法,得出分层表示的航线综合评价指标体系

    By means of inquiring some specialists and scholars, traditional sort method and "MMEM" method the author achieves the delaminated indices of passage compositive assessment system.

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  • 通过理论实验证明保护短路光电二极管不仅不能减小电流,相反增加暗电流。

    It is shown theoretically and experimentally that a photodiode with external guard ring short circuit can not decrease dark current-it will be increased instead.

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  • 指出加强防腐过程中各个环节的质量控制可以有效地保证钢质弯管环氧粉末涂层稳定性提高生产效率钢制弯管的防腐质量。

    It is pointed out that the sound quality control measures can effectively ensure the stability of epoxy powder coating for hot-bending bend, increase the productivity and coating quality.

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  • 分析结果表明空偏心距、冲程、内管冲次瞬时流量分布影响较为明显

    Analyses indicate that the eccentricity, the stroke and the frequency of the inner cylinder all affect the instantaneous flow rate distribution remarkably.

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  • 作为理想电磁元器件,纳米管环引起了人们的特别的注意

    As an ideal electromagnetic element, the carbon nanotube ring (CNTR) has attracted much interest ever since its discovery.

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  • 介绍系统各环币节的分步实验线型128元光电二极管阵列采样方法、模拟能谱实验结果

    A linear 128 pixel photodiode array is selected in this primary experiment. The sampling methods and results are also given.

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  • 介绍系统各环币节的分步实验线型128元光电二极管阵列采样方法、模拟能谱实验结果

    A linear 128 pixel photodiode array is selected in this primary experiment. The sampling methods and results are also given.

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