Based on the analysis of axial and transverse heat transfer characteristics,the performances of brass is compared with the stainless steel screen stacks Contrastive experiment with brass and stainless steel screen stacks in the pulse tube refrigerator thermoacoustically driven are carried out Experimental results are give
综合轴向和横向传热特性 ,比较分析了黄铜和不锈钢丝网板叠的性能 ,并采用黄铜和不锈钢两种丝网板叠进行了热声驱动脉管制冷的对比实验 ,给出了详细的实验结果和讨论。
The onset behaviour of thermoacoustic osillation with various heat source temperatures was simulated,and the time responses of the temperatures at both ends of stack were also investigated numerically.
对不同热源温度的热声振荡起振特性进行了模拟,同时也数值模拟研究了板叠两端温度随时间的响应过程。
In addition| the effects of stack structure and material property on the performance of the thermo-acoustic engine in terms of the critical temperature ratio were examined.
通过实验,揭示了热声自激振动与热声强制振动现象发生的条件与机理,研究了热声发动机的关键部件——板叠的形状与材质对系统的起振温度的影响。
Weaving manufacturing display,the result of eight layer plate material has specified thickness and enough shearing stress between two layers,and can used for industrial territorys such as motor vehicle,airplane cushion and so on.
为得到具有三维立体结构的八层板材预制件,采用下接上的角联锁结构进行层间连接的织制方法。
Immobilization Method for Methanosarcina and the Application of Immobilized Methanosarcina in Strength Organic Wastewater Treatment;
固定化甲烷八叠球菌方法探究及其在高浓度有机废水处理中的应用
Biological compatibility of eight tickicides with Beauveria bassiana conidia
八种杀蜱药物与球孢白僵菌分生孢子的生物相容性
The Research of the Verbal Redulication in the First 80 Chapters of "Hong Lou Meng"
《红楼梦》前八十回动词重叠式研究
Application of Prestack Time Migration Technology in Babao Mine Area
叠前时间偏移技术在八宝矿区的应用
Mineral and Geochemical Explaination of Boundary Events;
二叠—三叠纪界线事件的矿物学、地球化学解译
The Research of Reservoir Geochemistry Characteristics of upper Permian and Lower Triassic in the NE Sichuan Basin
川东北上二叠统、下三叠统储层地球化学特征
Newly patch Yagi antenna of cascade-dielectric embedded
一种新型的层叠式介质埋藏贴片八木天线
Nogoya Grampus eight
日本名古屋八鲸队（足球）
A bacterium having a spherical or spheroidal shape.
球菌球形或回转扁椭球体形状的细菌
staphylococcic actinophytosis
葡萄球菌性放线菌病
The quarterback rolled out to the left, faked a pass, and ran for an eight - yard gain.
四分卫抱球向左跑，佯装传球，冲向八码。
Analysis of the Goal-Scoring Time Period in the 18th World Cup;
第十八届世界杯足球赛进球时段分析
Geochemical Characteristics of Trace Element of Permian-Triassic Boundary Strata in Western Margin of Yangtze Block;
扬子地台西缘二叠—三叠系界线地层微量元素地球化学特征研究
Study of trace element geochemistry of Permian-Triassic Boundary in Emei Mountain,Sichuan
四川峨眉山地区二叠系与三叠系界线微量元素地球化学研究
Gram-negative cocci and coccobacilli
革兰氏阴性球菌与球杆菌
Results： The pathogens consisted mainly of staphylococci aureus, staphylococci epidermidis, Escherichia coli, streptococci haemolyticus, staphylococci haemolyticus.
发现主要致病菌为金黄色葡萄球菌、皮葡萄球菌、肠杆菌、血性链球菌、血葡萄球菌。
Analysis of the Characteristics of the Top 8 Teams Passing in the 18~(th) World Cup;
第18届世界杯足球赛八强球队传球特征分析
Analysis on the Goals of Place Kick in the 18th World Football Cup;
第十八届世界杯足球赛定位球进球分析