本发明提供一种铸件的铸造方法和用于该铸造方法的压床。
The invention provides a casting method for a casting and the press for that casting method.
本厂自有模具车间，多台CNC车床、线切割机、铣床、车床、刨床、冲压床以及各种注塑机、压模等机械及其配套工具。
Our own mould workshop, multiple CNC lathes, Cutting machine, milling machine, lathe, planer, the Press and various injection molding machines, dies and other machinery and supporting tools.
压降是超重力旋转床流体力学的重要特征之一。
The pressure drop is one of the most important characteristics in hydrodynamics of high-gravity rotating bed.
结果表明，旋转床气相压降随F因子和旋转速度的增大而增大；
The results indicate that the pressure drop increases as F factor or rotational speeds increase.
变压煤气化工艺是在目前的常压间歇固定床气化基础上改进而来的一种新型工艺。
The pressure-swing coal gasification is a new process which has been developed from the normal pressure coal gasification process.
采用因次分析的方法推导出错流旋转填料床气相压降的无因次关联式。
The correlative formulas for pressure drop of cross-flow rotating packed bed was deduced with the method of dimensional analysis.
本文在a—s方程的基础上推导出气体流经固定床时的压降表达式。
Based on a s equation, a new expression was derived for pressure drop in fixed bed with gaseous flow.
笔者利用空气水系统对错流旋转填料床的气相压降进行实验研究。
In this paper, the gas pressure drop of a cross-flow rotating packed bed is studied based on air-water system.
近年来，甲烷蒸汽转化催化剂异形化研究取得了很大进展，其主要目的是提高催化剂的效率因子，降低固定床反应器中的压降。
In recent years, the irregular shape methane steam reforming catalyst development progresses rapidly with the goal to increase catalyst effectiveness and reduce the pressure drop in fixed bed reactor.
利用空气水系统对旋转填充床的气相压降进行分段模型化和实验研究。
Dividing the rotating packed bed into different parts, this paper presents a set of experimental measurements and modeling of gas pressure drop based on air water system.
多孔波纹板错流旋转床填料具有传质效率高、压降低、动平衡性好等优点。
Therefore, cross-flow rotating bed with protruded ripple plate packing have many merits of higher mass transfer efficiency, lower pressure drop and better kinetic balance.
路堑开挖除对边坡坡率以及路肩标高、宽度进行控制外，还要对基床填料及压实度进行严格控制。
When dig high cutting, except the control of side slope Angle and shoulder (road) 's elevation, width. We also should control roadbed's filling and press degree.
采用均匀设计实验方案，进行了渣油悬浮床中压加氢裂化工艺研究。
Residuum suspended bed hydrocracking process at medium pressure was studied by using homogeneous design experimental project.
提出了有效床存量的概念、床压控制的原则、一次风机压头选择的依据。
The concept of effective bed inventory, the principle of bed inventory control and the selection theory of primary fan pressure are suggested.
本文对滴流床中压加氢生产木糖醇的工艺进行了研究。
The hydrogenation of xylose aqueous solution has been studied in pressure elevated trickle bed reactor.
流化床内的固定藏量可以用测定床层的压降办法很容易地求得。
The inventory of solids in a fluidized bed can easily be found by pressure drop measurements across the bed.
研究了气速、液速、液相粘度和表面张力对三相流化床平均压降的影响。
The effects of liquid and gas velocity, liquid viscosity and surface tension on average pressure drop in three phase Fluidized beds were determined.
在常压反应釜和固定床反应装置上进行，评价了催化剂对苯和1-十二烯烷基化反应催化性能。
Their catalytic activities were measured by alkylation of benzene with 1-dodecene as model reaction in a slurry reactor under atmospheric pressure and fixed bed reactor.
在双喷嘴矩形喷动床内，以空气为喷动气体，研究了最大喷动压降与操作压降的变化规律和影响因素。
The maximum pressure drop and the operational pressure drop were investigated in a rectangular spouted bed with double nozzles by using air as spouting fluid.
总之，颗粒性质、流体性质、流化床的操作参数对颗粒的浓度分布、速度分布及管路压降影响很大。
In a word, the velocity of particle, the particle concentration and pressure drop of pipe are affected by character of particle, character of liquid and operating parameters of fluidized bed.
介绍300MW循环流化床锅炉压火、热启动过程的操作方法，指出操作过程中应注意的事项。
The operating methods of banked fire and hot start-up for 300 MW CFB boiler was introduced, and the points for attention during the operating process were indicated.
注：煤气发生炉指一段或两段常压固定床气化的煤气发生炉。
Note: the gas occurrence boiler refers to a paragraph or two paragraphs atmospheric fixed bed gasification of gas occurrence boiler.
研究了各煤种对常压固定床空气气化的适应性，分析了各煤种的常压固定床空气气化的气化指标。
The adaptability of all coal samples to the atmospheric fixed-bed gasification with air is studied, and gasification indexes of the atmospheric fixed-bed coal gasification with air are analyzed.
通过红外光谱及紫外可见光谱分析了悬浮床加氢裂化助剂对辽河常压渣油沥青质的作用。
The effect of adjuvant on Liaohe atmospheric residue(LHAR) asphaltene in slurry-bed hydrocracking was studied by means of FT-IR and UV-Vis.
用FA型可视式中压砂床滤失仪对聚丙烯酰胺和棉纤维复合堵漏剂进行了室内试验研究。
Laboratory experiments were done on the evaluation of a composite lost circulation material (LCM) prepared by Polyacrylamide and cotton fibers on a FA Model Filter tester.
用FA型可视式中压砂床滤失仪对聚丙烯酰胺和棉纤维复合堵漏剂进行了室内试验研究。
Laboratory experiments were done on the evaluation of a composite lost circulation material (LCM) prepared by Polyacrylamide and cotton fibers on a FA Model Filter tester.
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