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。
Numerical simulation of ballistic penetration of bulletproof laminated composite panels;
叠层靶板弹击实验及弹道侵彻机理的数值模拟研究
Analysis to propagation of stress-wave and delaminating damages of layer-symmetrical composite laminates subjected to low velocity impact;
对称角铺设矩形复合材料叠层板受低速冲击时的应力波传及解层破坏分析
Thus, the theory of state space is combined with variational solution,and the variational results for free vibration frequency of the laminates with arbitrary thickness are calculated.
根据应力变分和伽辽金变分原理，导出混合变分方程，并将其转换成状态方程，使状态空间理论和变分解相结合，给出任意厚度叠层板自振频率的变分解。
Composite Laminates Deformation Analysis and Calculation After Curing;
复合材料叠层板固化成型后的变形分析计算
Nonoinear stability analysis of space frame-laminate plate combined structures;
空间杆系与叠层板组合结构的非线性稳定分析
A quadratic Fourier's law of heat conduction of whole laminated composite was given,and a 8 node quadratic thermal lamination element was also developed.
对Ｒｏｌｆｅｓ在９０年代初提出的热叠层理论进行了修正和发展：给出整个复合材料叠层板的二次傅里叶热传导定律；发展八节点二次热叠层单元；编制相应的程序，进行了数例计算。
Combined with the finite element method, the semi-analytical numerical method presented can be used to analyze thick composite laminates with arbitrary boundary conditions and geometrical shapes.
进一步和有限元法相结合，得到了能够分析具有任意边界条件和几何形状的复合材料叠层厚板的半解析数值方法即哈密顿单元方法。
Correlation model of bending bearing capacity between prestressed slab and laminated slabs;
预应力混凝土叠合板与薄板抗弯承载力相关关系分析
Experimental research on the prestressed concrete thin-hollow slab with the thickness of 80mm and its laminated slab;
80mm厚新型预应力混凝土空心薄板及其叠合板试验研究
The characteristic and weakness of both traditional precast and cast in site floor are studied,the way to develop both sp precast slab and sp laminated slab is provided to meet the needs of residential building for large and nimble separated.
分析现浇板和传统预制板的特点和弱点 ,提出发展SP板和SP叠合板是住宅实现大开间、灵活隔断的有效途径之一 ,也是建筑施工实现现代化的重要内容之一。
superimposed floor slab with prestressed concrete thin plate
预应力薄板叠合楼板
Mechanism Analysis on Explosive Resistance of Sandwich Structure
钢板-泡沫金属-钢板叠合结构抗爆机理初探
clench planking
盖瓦叠板式盖瓦式叠板
automatic layboy
(桨板)自动折叠机
multi-plate trim
多层叠板工节流组件
Paper folds more easily than cardboard.
纸比硬纸板易于折叠。
The shingles of the roof lapped over neatly.
屋顶板重叠得很整齐。
The court was paved, from floor to roof, with human faces.
法庭从地板到天花板层层叠叠全是人的面孔。
Precast prestresscd concrete panel for composite slab
GB16727-1997叠合板用预应力混凝土薄板
folding machine for metal plates or sheets numerically controlled
数控金属板材或薄板材折叠机
folding machine for metal plates or sheets, not numerically controlled
非数控金属板材或薄板材折叠机
copper foil laminate
铜箔叠层板-印制电路板的
a drop-leaf table with leaves supported by gated legs.
折叠支架支撑的翻板的活动翻板桌。
The gatefold is a double fold, and is determined by the width of the pattern pieces.
门式折叠是两次折叠,它由样板的宽度来决定。
Prefabricated Sheet United with Merged Sheet are used in Brick and Concrete Residence Building;
砖混住宅中预制板与叠合板的联合应用
Analysis on Internal Force in the Imbricate-Floor of Overflow Concrete Face Rockfill Dam
溢流面板堆石坝叠瓦式底板的内力分析
Men's skirts are packed in wooden cases of 10 dozen each.
折叠椅10打装一个纸板箱。
Skid: A platform for stacking books.
堆书板:用来堆叠书本的平台。