| 1. | Micro - resistance test method of plating thickness of plated through holes for printed boards
印制板金属化孔镀层厚度测定方法微电阻法 |
| 2. | Abstract : shear force is interrelating with width and thickness of plate and obliquity of knife - edge
文摘:斜刃剪切时，剪切力的大小与板料的宽度、厚度及斜刃倾角有关。 |
| 3. | The co - p alloy coating of powder was more and thickness of plate was incrassate with the decreasing of the loading
装载量在1 10g / l之间，可以实现纳米氮化硅粉末的完全包覆，得到镀覆均匀、分散性较好的复合粉末。 |
| 4. | It is pointed out that it is necessary for ensuring the service life of hydraulic steel gates to add 2 - 4 millimeters thickness of plates against corrosion in design
指出闸门设计时，为了确保闸门的使用寿命，增加( 2 ~ 4 )毫米的面板锈蚀裕度是完全必要的。 |
| 5. | ( 1 ) car body stands in quite identical stress level by decreasing the thickness of plates , ameliorating structure and so on in strength affluence position under five cases ; ( 2 ) without changing stress distribution , holes are dug in bearing the weight of positions by wiped off material in order to decrease weight
( 1 )在强度富裕处通过降低板厚、改进结构等手段，使得整车在强度规范的五种工况下，各处均处于较为相当一致的应力水平； ( 2 )在各种承载部位，在不改变其应力分布的前提下开设减重孔，利用去除材料来达到减重的目的。 |
| 6. | On the premise of a given set of material parameter , structural boundary shape and condition , design variables - thickness of plate and shell , is designed to minimize the structural weight subjected to the constraint conditions . 1 . for the problem with size and stress constraints , full stress design method is used to solve the sectional optimization of plate and shell structures
在给定了板壳的材料常数、板壳结构的边界形状和边界条件的前提下，确定表征板壳厚度的设计变量，在满足约束条件下实现结构重量最小： 1 .对于尺寸和应力约束的问题，使用满应力方法求解。 |
| 7. | The research results will lay the foundations for the design and manufacture of the multi - dimensional acousto - electropic - optic device . the thickness of plating layers and the length , width , thickness of piezoelectric transducer are determined , according to transporting line theory of mason ' s equivalent circuit
本文还利用传输线的玛森等效电路理论确定各晶体在其工作模式下各镀层的厚度及换能器的长度、宽度、厚度；研究结果为多维声电光器件的设计与制作打下了良好基础。 |
| 8. | Based on the previous theoretical analysis , two practical projects of pile - raft foundation of high - rise building on soft ground are studied by using the software of pile - raft foundation interaction analysis program pogap . the choice of standing layer for pile , the rational compression modulus of soil under pile , the place of pile and the space between piles , and the reasonable thickness of plate are analyzed , some well - regulated conclusions can be achieved . an experiential equation for choosing the optimal thickness of plate is also given
根据以上分析，结合两个软弱地基上高层建筑桩筏基础的工程实例，利用浙江大学岩土工程研究所编制的pogap桩筏基础共同作用分析软件，就桩端持力层的选择，桩端下卧层压缩模量合理选值，桩位及桩间距的确定，筏板厚度的合理取值等问题展开分析，得出了一些规律性的结论，提出了筏板最佳板厚取值的经验公式。 |
| 9. | Mathematical model of structural optimization has been set according to the data got from dynamic analysis . the thickness of plates , diameter and thickness of tubes , elastic and damp coefficient of front and back vibration absorber have been optimized in modified feasible direction method . contrast with original motorcycle has been successively done
根据动态分析得出的数据,建立结构优化的数学模型,使用改进的可行方向法,对车架和整车的板厚、管径及其壁厚、前后减振器的弹性系数和阻尼系数等进行寻优。 |
| 10. | Analyzing and researching in the results of the plate ’ s deflection and bending mo - ment from calculating a mass of examples by the program . the laws of interactions of plates and foundation with arbitrary boundary are summarized . namely , discuss the influence of the thickness of plates h , foundation ’ s parameters k , t , the load q and other factors on the deflec - tion and bending moment of the moderate - thick plates on two - parameter elastic foundation
利用该程序计算大量的算例,对所得挠度和弯矩的结果进行了分析与研究,并总结了各种边界条件下中厚板与地基相互作用的规律,即探讨了板的厚度h ,地基参数k 、 t以及荷载q等不同因素对于双参数地基上的中厚板挠度及内力的影响。 |
