当温度达到3000开尔文(Kelvin,热力热温度,等于摄氏温度加273),这个热量环(ringof heat)沿着纳米管移动的速度将比这类化学反应(chemicalreaction)的正常传递速度快10000倍。
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.
在套管或衬管与周围的水泥环之间所形成的小间隙,这些间隙是由于在固井期间或固井之后温度或压力的变化所致。
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.
浮鞋能够防止环空中的水泥浆向套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.
采用考虑位移的土压力计算方法计算环向土压力,得出首节管道和后续管节最大土体反力的计算公式。
By considering displacement for calculating circular earth pressure, the maximal earth counterforce formulas for the heading and the latter pipelines are deduced.
对环板行波管的导波特性进行了详细的数值模拟分析。
A detailed numerical calculation for the propagating wave's dispersion characteristics has been made.
然而,当用它的皮肤卷成皮管修复环咽缺损时,由于太臃肿会导致阻塞。
However, when the skin of it was tubed for circumferential defects, the bulk could result in obstruction.
你可以改变你的剪辑重点,得到一个您为您设定的加载剪辑的概述。该APC40有16个旋钮,由每个发光二极管环包围。
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.
维管形成层向两侧延伸直至形成一个茎内的分生组织环,各个维管束被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.
但带涤纶连接环记忆合金组合式人工食管还存在中晚期脱管的问题未能完全解决。
However, trachea cannula exodus of terylene tandem ring alloy composite artificial esophagus in middle and late phases cannot be fully solved.
本文分析计算了石油钻井工程偏心环空中内管转动的螺旋流动。
In this paper the spiral velocity of eccentric annulus with inner pipe turned is analysed and computed.
介绍该电站水轮机进水环管、机盖和喷嘴等安装工艺方法,为相似机组的安装提供借鉴。
The paper presents the installation method of main parts such as intake annular pipe, cover and nozzle, providing reference for similar projects.
在这段时间里,螺杆回复到原位,同时旋转以实现下一环节的动作,即将熔化的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.
目的探讨导尿管球囊扩张治疗环咽肌失弛缓症的可行性。
Objective To explore the feasibility of catheter sacculus expanding therapy for cricopharyngeal achalasia.
控制合适的操作条件,在大油气管线进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.
本文在840 ~ 950k范围内应用单脉冲化学激波管测定环氧氯丙烷的裂解反应动力学。
The chemical kinetics for the pyrolysis of epichlorohydrin was studied by single pulse shock tube in 840-950k.
研究了玻璃纤维增强环氧圆柱管作为缓冲装置的撞击吸能特性,并与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.
聚丙烯环管反应器是一种结构特殊的设备,也是工艺流程中十分重要的设备。
The polypropylene liquid bulking loops has a special structure and is an important device in the technological process.
采用机理建模方法,研究了丙烯在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.
本文介绍了采用大功率深穿透激光焊接不锈钢制压力容器管子—管板环缝的试验结果。
This paper introduced the experiment of applying high power, deep penetration laser welding stainless steel tubes-tube plates.
以水和正己烷作为介质,考察了通入空气对内管加热的竖直圆柱形环隙内的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.
提出带孔盖板的自由液浸式环氧灌注的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.
经过咨询专家意见,并采用航海上传统因素分类方法和“人机环管”的分类方法,得出了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.
通过理论和实验证明了外保护环短路的光电二极管不仅不能减小暗电流,相反会增加暗电流。
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.
指出加强弯管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的稳定性,提高生产效率和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.
分析结果表明,环空偏心距、内管冲程、内管冲次对瞬时流量分布的影响较为明显。
Analyses indicate that the eccentricity, the stroke and the frequency of the inner cylinder all affect the instantaneous flow rate distribution remarkably.
作为理想的电磁元器件,碳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.
介绍了该系统各环币节的分步实验、线型128象元光电二极管阵列的采样方法、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.
介绍了该系统各环币节的分步实验、线型128象元光电二极管阵列的采样方法、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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