The design of the melting zone for extruder screw was optimized.
讨论了挤出机螺杆熔融段的优化设计问题。
Combined with the former experiment for solid conveying zone and melting zone, the torque for extruding zone was obtained.
结合课题组过去所做的固体输送段和熔融段两段的实验，得出了各实验条件下螺杆挤出段的扭矩。
The improvement results from a change in the essential constitution of the soft melting zone when charged with an ore and coke mixture.
获得改善的原因在于混装时软溶层的结构发生了质的变化。
The paper deals with the formation of melting zone in the interface of explosive cladding austenitic stainless steel/normal low alloy steel system .
本文研究了奥氏体不锈钢/普通低合金钢爆焊复合钢板界面熔区的形成。
Magnetotelluric data collected on the Tibetan Plateau have imaged a major zone of partial melting in the crust, that agrees well with geodynamic models for this continent continent collision.
在青藏高原采集的大地电磁资料描绘了地壳中的主要局部熔融区域，其结果和大陆碰撞地球动力学模型的结果相一致。
Causes include heating too quickly in the feed zone, melting too slowly in the transition zone, insufficient mixing, and excessive heat loss in the adapters or die.
其原因包括在喂料区加热时间太短和在过渡区熔融太慢、混合不良、在机筒和口模中存在过多的热量损失。
The methods of preparing high purity iron include solvent extraction, ion exchange, electrolytic refining, zone melting, and so on.
本文介绍了溶剂萃取、离子交换、电解精炼和区域熔炼等冶金提纯方法在高纯铁制备过程中的应用。
By controlling combustion temperature or adding kaolin clay to make alkali metal salts into high melting substances, coking can be avoided in dense phase zone.
通过控制密相区燃烧温度或添加高岭土使之与碱金属钠盐形成高熔点物质，可避免密相区结焦。
Whole weldment includes practically elastic deformation zone, compressive plastic deformation zone, tensile plastic deformation zone and melting pool.
整个焊接板由弹性变形区、压缩塑性变形区、拉伸塑性变形区和熔池组成。
ZMR (zone melting recrystallization) apparatus is introduced, and the processing characteristic of ZMR is studied.
研究了区熔再结晶(ZMR)设备及其工艺特点。
A series of general formulae of impurity concentration distribution along the ingot after point-doping zone melting has been derived.
得到了点掺杂区熔后杂质沿锭长分布的一系列普遍公式。
In order to improve the purity of industrial product, Antioxidant BHT was purified by the methods of recrystalize and zone melting.
为提高防老剂BHT的纯度，采用重结晶和区域熔融法对工业品防老剂BHT进行提纯。
It has been investigated to the laser melting process and the merging parts microstructure and the elements distribution of coating-metallic substrates interface zone.
对涂层-金属基体界面区的激光熔合工艺、熔合区的组织结构、元素分布进行了研究。
It is found that the structure of the hardened phase in melting and transformation zone is very tiny, the martensite appears to be tiny acicular and possesses twin substructure.
熔化区和固态相变区硬化相组织极为细小，马氏体呈微细针状，具有孪晶亚结构。
There were many methods for preparing cobalt metal of 99.999% purity, such as extraction, membrane separation, ion exchange, electrolysis, zone melting etc.
目前制备99.999%以上金属高纯钴的制备方法很多，主要制备工艺有萃取法，膜分离法，离子交换法，电解法，区域熔炼法等方法。
If the length of melted zone is thought invariable for a given kind of alloy, the temperature gradient increases with the rising of the EB power and zone melting rate.
在不考虑熔区长度不变的条件下，固液界面前沿的温度梯度随抽拉速率的增加而增加。
The evidences indicate that the magmas are formed by melting of pyrolite and eclogite (ancient basaltic oceanic crust) in the axial zone of mantle plume.
这说明它们是在地幔柱轴部，由地幔岩和榴辉岩(古玄武质洋壳)组成的源区产生的岩浆形成的。
The temperature gradient in front of S/L interface was measured on Zone Melting Liquid Metal Cooling(ZMLMC) directional solidification apparatus.
对定向凝固区域熔化液态金属冷却法的固液界面前沿温度梯度进行了测定。
Preparing principle and preparation technology of Mo and Mo-Nb alloy single crystal and structure and component of electron beam floating zone melting are introduced.
介绍了钼和钼-铌单晶的制备原理、制备工艺及电子束区域熔炼炉组成结构。
There are some streamline microstructures and a slight grain melting in the heat affected zone on the side of pure copper.
接头紫铜一侧热影响区出现明显的须状组织，并有晶粒微溶的迹象。
An increase in microhardness of the laser treated zone after laser melting may be attributed to fine precipitates formed in melted zone and to the transformation of retained austenite.
激光处理区的硬度由于晶粒细小和强化相的存在而得到提高。
The Central Axis Scenic Road, taken as the city's historical and cultural symbol, runs through the Central Zone as a "green center" of spatial sequence, and melting into nature terminally.
以中轴景观路作为城市文脉象征，贯穿中心区、形成空间序列的绿色中枢；
The Melting Short, which lasts for one minute, directed in 2006, presented itself in the One-Minute Video Exhibation in Art Zone 798.
2006年拍摄一分钟短片《融》，并在798艺术区参加“一分钟影像制造”展览。
The Melting Short, which lasts for one minute, directed in 2006, presented itself in the One-Minute Video Exhibation in Art Zone 798.
2006年拍摄一分钟短片《融》，并在798艺术区参加“一分钟影像制造”展览。
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