|
Abstract: The durability problem of electronic equipment, the relationship among reliability , maintainability and supportability, and the character of electronic equipment are discussed.
|
|
|
摘要：主要讨论了有关电子设备的耐久性问题和耐久性与可靠性、维修性、保障性的关系以及耐久性的特点。 |
|
Abstract: The e-business is developing rapidly, and the current tax base has been harmed. How to solve the taxation of e-business in our country has become more and more highlighted.
|
|
|
论文摘要：电子商务飞速发展，现行税基受到侵蚀，如何解决我国电子商务的税收问题已经日臻突出。 |
|
Abstract: The ecological benefits on various bunds planted with vegetation were studied using fuzzy comparison analysis method，the results showed that the bunds of Amorpha fruiticosa，biomass，Caragana korshinskii are relatively good，especially the bund of
|
|
|
文摘:通过对几种生物埂生态效益的模糊对比分析结果表明，紫穗槐、黄花菜、柠条埂的生态效益相对较好，尤其是紫穗槐埂为最优，而海棠埂则稍差一些。 |
|
Abstract: The effect and principle of health food therapy are introduced.The therapy is helpflul for the prevntion of occupationa poisoning.
|
|
|
文摘:简述了职业人群保健膳食方法的原理、功效及制订原则，该膳食方法对预防职业中毒有辅助作用。 |
|
Abstract: The effect factors of grinding roller surface roughness areanalyzed and experimented.The law of effect factors such as roller rotary speed,grinding wheel granularity,grinding liquid and so on,about roller surface roughness is obtained.The mathem
|
|
|
文摘:对影响磨削辊面粗糙度的因素进行了系统分析和实验研究，得出了轧辊转速、砂轮速度、砂轮粒度、磨削液等因素对磨削辊面粗糙度影响的一般规律，利用回归分析的方法建立了粗糙度的数学模型。 |
|
Abstract: The effect of additive lime desulfurization in CFB on the EP was discussed. Main caculation and analysis on the dust density and ash characteristics.
|
|
|
文摘:分析了循环流化床锅炉添加石灰石、生石灰和熟石灰脱硫对尾部除尘器的影响，主要从烟气含尘浓度和粉尘比电阻两个方面进行计算分析。 |
|
Abstract: The effect of alcohol in the stabilization of silicomolybdic yellow and silicomolybdic blue,and other fit conditions were studied.The work curve of the content of silica in sodium silicate was established.
|
|
|
文摘:研究了乙醇作为稳定剂对硅钼黄及硅钼蓝络合物生成的稳定性影响，以及温度、酸度等其它适宜条件，建立了水玻璃中二氧化硅含量工作曲线. |
|
Abstract: The effect of correction of self-consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the Green's function method in the tight-binding approximation, taking only the nearest neighbor matrix
|
|
|
文摘:在紧束缚近似下，只计及最近邻的矩阵元，采用格林函数计算了自洽势修正对简立方纳米晶体颗粒的电子结构的影响，发现电子能谱发生了移动，化学势不等于格点原子能级，各格点的电子密度也发生了变化，其中以表面格点的电子密度变化最大。 |
|
Abstract: The effect of different carburizing programs on the microstructure and thick of carburized layer of screw bevel gears has been studied, meanwhile the fatigue life of these gears has also tested.
|
|
|
文摘:本文研究了不同渗碳淬火工艺对螺伞齿轮组织及渗层深度等影响，并对螺伞齿轮进行了台架疲劳测试。 |
|
Abstract: The effect of straw and plastic film dual mulch in dry-cultivation of rice planting was studied.
|
|
|
文摘:我国覆膜稻栽培研究始于1996年，但迄今都为地膜单元覆盖。 |
|
Abstract: The effect of the humid and hot environment on the quality life time of electronic product is discussed with emphases on the hot topic about humid heat test———the failure mechanism of ion migration and the test method.
|
|
|
摘要：阐述了湿热环境对电子产品质量寿命的影响，并重点介绍了目前湿热试验的热门话题：离子迁移失效的机理和试验方法。 |
