The closed type cover die is working in repeated impact, cold and hot alternation and high pressure friction situation. The die is easy to be crashed, including wearing, plastic deformation, hot cracking etc.

OPTIMIZATION TO MATH MODELS IN ROLLING PROCESS Application of Overhaul Closed Type Cover Die

轧制过程数模调优闭式套模翻修的应用

After we learnt enzymatic isolation method of YANG Hong-yuan and ZHOU Chang, we explored to develop a pressure cover glass method of observation on embryo sacs.

我们在学习了酶解法之后，摸索研究了一种观察甜菜胚囊的压片法。

The vacuum degree between the inner and cover glass tubes plays a very important role in heat loss and the life time of all-glass evacuated collector tube.

全玻璃真空太阳集热管内外玻璃管夹层间真空度的保持情况对有效降低热损、提高太阳能的利用率、延长集热管的寿命都有至关重要的作用。

Consequently, ion exchange strengthened cover glass can increase the reliability of solar cell, which can improve service efficiency and prolong the life of solar cell.

因此化学钢化能提高太阳能电池长期工作的可靠性，对提高太阳能电池的使用效率及寿命具有实际意义。

In this part, the microfluidic chip was made of PDMS. The PDMS channel was fixed on the cover glass.

在这部分实验中，我们自己制作了微流控芯片，芯片通道采用PDMS膜制成，然后将膜封接到盖玻片上。

Finally, the channel-structured glass substrate was sealed to a cover glass plate by using room temperature bonding technique.

最后，采用室温键合技术，将带有微纳结构的基片与盖片封合成玻璃微-纳流控复合芯片。

Be careful: the cover glass is fragile!

注意：盖玻片是很容易坏掉的！

An Extended Dectection Method for Land Cover Transformation

一种扩展的土地覆盖转换像元变化检测方法

Based on the experimental results, a method is proposed for calculating the shear-resistance capacity of the beam-column joints strengthened by composite cover of high strength wire cable mesh and polymer mortar, and the compute results agree well with the experimental results.

并且，在试验基础上提出了震损后采用钢绞线网-聚合物砂浆复合面层加固钢筋混凝土框架节点抗剪承载力的计算方法，计算结果与试验结果符合良好。

The new fields of application which cover the field of wire weaving technique, the tufting technology for artificial grass as well as flat weaving technique, are described.

描述了开发出的涉及金属丝织造、人造草坪簇绒以及无绒地毯织造等技术的新应用领域。

Ice cover in certain wire with often occur dance, it is a kind of low frequency, the large amplitude of self-excited vibration.

覆冰导线在一定风速下将会产生舞动，舞动是一种大振幅、低频率的自激振动。

If you use wood, you'll need to cover it with wire mesh to prevent the bird from chewing through it.

如果您使用的是木头，你将需要用金属丝网覆盖它，以防止鸟通过咀嚼逃跑。

The article deals with the computer software system for the plug pipe mill, covering such aspects as functions, structure and configuration of hardware and software.

介绍了自动轧管机组计算机软件系统的功能与结构、硬件与软件的配置。

Numerical simulation analysis of pipe in earth covering to large cross-section flat-top burial tunnel

平顶暗挖隧道覆土层内管线数值模拟分析

Development of basic covering flux for tundish

中间包用碱性覆盖剂的研制

Study on Tundish Covering Flux for Continuous Casting

连铸中间包覆盖剂研究

Research and Application on Thermal Insulation Mechanism of Covering Flux for Steel Casting Risers

铸钢冒口覆盖剂保温原理探讨及应用

Research and development of new type ladle covering flux

新型钢包覆盖剂的研制

Development and Application of A New Type Covering flux for Steel Castings

新型铸钢冒口保温覆盖剂的研制与应用

Technology Feature and Application Result of 911 Type Lead Liquid Covering Flux

911多型铅液覆盖剂的技术特征及使用效果