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.
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.
某设备制造厂电机配水环管立缝在消除应力热处理后,熔合线附近出现裂纹。
A crack is found after SR heat treatment in the vertical welding fusion line for water distribution ring pipe of a electric machinery.
本文对结构和受载都非常复杂的聚丙烯环管反应器建立了有限元分析设计模型。
In this thesis, finite element analysis is carried out on a large polypropylene tubular loop reactor which is complicated both in structure and loadings.
本文对结构和受载都非常复杂的聚丙烯环管反应器建立了有限元分析设计模型。
The liquid phase bulk propylene polymerization in loop reactor was simulated based on the propylene polymerization mechanism.
所述的再生段外部设有多层再生空气环管,与塔内带有喷嘴的气液混合器相连通。
The outside of the regeneration section is equipped with multiple layers of regeneration air ring pipes which are communicated with a gas-liquid mixer with a nozzle in the tower.
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.
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.
从探讨丙烯聚合工艺中环管反应器流体动力学模型着手,介绍环管反应器循环泵功率的计算方法。
A fluid dynamical model of the materials in a loop reactor for polypropylene production is suggested and the power of the circulating pump of the reactor is calculated by means of Newitt correlation.
采用DQ -3催化剂,在液相本体双环管反应器中试生产了双向拉伸聚丙烯薄膜专用树脂t28c。
The trial production of a kind of speciality resin for biaxial oriented polypropylene (BOPP) T28C was carried out successfully in a liquid phase bulk double-loop reactor with catalyst DQ-3.
全尾砂膏体泵送环管试验中,往往要添加一些其它材料来改善膏体充填料浆的输送参数和提高充填体的强度。
In full tailing paste filling slurry pumping looping pipe experiments, some other materials are usually added to improve the transportation parameters and the filling strength.
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.
充填环管试验是采用充填工艺(干式充填除外)的矿山设计前进行的一项必要工作,旨在获得充填工艺流程的流体流变参数,作为设计的依据。
In order to obtain the rheological and fluent parameter of filling techniques as designing basis, the filling paste round-pipe-test is a necessary work.
T5双环管,纯三基色制造。美观耐用,性价比高。本厂生产的新型三基色荧光灯采用耐强紫外线辐射、耐温升的稀土荧光粉经科学配比制成。
T5 2-ring tube, three colors. Beautiful and durable, cost-effective. This factory production new three colors with fluorescent uv radiation intensity, temperature rise of existing scientific ratio.
搅拌釜式反应器中的浆液浓度、临界搅拌转速、淤浆悬浮高度和环管反应器中的浆液浓度等参数,既是反应器的设计、优化的重要依据,也是实际生产运行过程中的重要控制变量。
The slurry concentration, minimum agitation speed and slurry suspension height, as the basic parameters in the solid-liquid system, is very important to the design and optimization of the reactors.
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.
在安装系列4700夹管阀时,建议在阀门法兰后面采用镀锌钢支撑环加固。
When installing the Series 4700, it is recommended that galvanized steel back up rings be used behind the valve flanges.
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.
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.
把火焰移开,在连接部位一或两点位置将焊料注入直到管件端口出现一环焊料为止。
Remove flame and feed solder into the joint at one or two points until a ring of solder appears at the end of the fitting.
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.
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.
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.
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.
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