查询词典 solidification

Controlling the unidirectional solidification process and using passivation and impurity gettering treatments are the main approaches to improve the solar cell properties.

通过控制硅锭定向凝固过程获得取向一致、粗大均一的结晶组织和采用各种吸杂及钝化方法降低杂质及缺陷对电学性能的影响是目前提高多晶硅太阳能电池转换效率的重要途径。

Firstly, we propose solid-state continue-wave laser to crystallized poly-Si films, the distinction of excimer laser, CW-laser possessed high stability, reliability, durable and low-cost. In this way, we used laser scanning speed and energy to analysis a status of grain lateral growth and crystallizes mechanism for various condition, furthermore, we succeed to crystallize great grain size more than 10 μm. To compare excimer laser crystallization and Sequential lateral solidification, CW-laser don't needed extra procedure to carrier out large grain size.

首先，吾人提出有别於传统准分子雷射结晶技术的固态连续波雷射横向再结晶技术，固态连续波雷射具有高稳定的特性且相较於准分子雷射具有可靠、耐用、价廉且维护成本低的优点，在此我们利用不同的扫描速度与雷射能量，分析出在不同条件下的横向结晶状态与其成长机制，并且成功的成长出大於10 μm的晶粒大小，相较於准分子雷射结晶与循序性侧向结晶，固态连续波雷射不需额外的步骤即可达成大晶粒成长。

For the casting characteristics of more complex shape, the two ingates were designed at the same time. The casting was divided into 4 positions to calculate the volume of the riser, and the chill was used in order to obtain the directional solidification sequence.

根据铸件形状较复杂的特点，设计了两个内浇道；将铸件划分为4个补缩区域进行补缩，并配合冷铁来实现铸件的顺序凝固。

Oily sludge can be divided into oil, water and mud through quality adjustment and mechanical dewatering, but the sludge cake must be treated finally; Microorganism can degrade the organic substance of oily sludge into CO2 and H2O, but efficiency of biodegradation need to be enhanced; Solidification can decrease the exudation of injurant. Comprehensive utilization will be the dominant technique for oily sludge treatment in the future.

调质-机械脱水可有效的分离油-水-泥，但产生的泥饼需进一步处理；生物处理可以将含油污泥中的有机物彻底降解为CO2和H2O，但降解效率有待提高；固化可以大大降低有害物质的渗出率；资源化利用将成为含油污泥处理技术的发展趋势。

Pb alloy of low-melting point to verify the effect of inner traveling magnetic field on the solidification microstructure of hollow tubular billet by continuous casting.

利用低熔点Sn-3.5%Pb合金进行了空心管坯内置行波磁场的静态模拟实验研究。

The results show that the composite compound observed is mainly composed of TiC, CaS and CeS; the nucleation sequence of the phases during the solidification of the alloy is CeS→TiC→austenite; the (100) crystal plane of CeS and the (001) plane of TiC, and (100) plane of TiC and (001) plane of austenite match perfectly; CeS can act as the heterogeneous nucleating center of TiC, and TiC can act as the nucleating center of austenite.

结果表明：试样中的复合化合物主要由CaS，CeS和TiC组成；合金凝固时的形核顺序为CeS→TiC→奥氏体；CeS及CaS的(100)晶面与TiC的(001)晶面、TiC的(100)晶面与奥氏体的(001)晶面匹配良好；CeS凝固时可作为TiC的异质形核核心，而TiC又可作为奥氏体的形核核心。

The effects of carbon equivalent, sulfur content and mischmetal additions on the solidification and structures of grey cast irons were investigated.

本文研究了碳当量、硫量及混合稀土加入量对灰铸铁凝固和组织的影响。

Also, the results indicate that it is not necessary to control over the temperature gradient of the undercooled liquid by human beings within the directional solidification undercooling range; and that even single crystals can be obtained by point trigging at the end of the samples.

在定向凝固的过冷度范围内，无需人为控制固液界面前沿的温度梯度，而且，以点触发试样端部，可以获得单晶。

Zirconolite-rich synroc is ideal solidification material for solidifying high level radioactive waste .

富钙钛锆石型人造岩石将放射性核素固定在其晶格中作为晶体的一部分固定起来，大大提高了放射性废物处置的长期安全性，是固化高放射性废物理想的固化介质。

ABSTRACT Though the directional solidification technology has been extensively used in the fabrication of nickel-base superalloy, there are...

定向凝固技术作为改善材料性能的重要手段已广泛应用于镍基高温合金，而在钴基合金中的应用较少，在国内目前还没有获得实际应用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。