查询词典 solidification

Based on solidification theory and analysis of process of Aluminum alloy Direct Chill casting, the control system of DC casting for big size billet has been designed. For improving the quality of billet-optimized control strategy of cooling water must be determined to eliminate the instability of the traditional feedforward control, PID control and cascade control have been introduced.

通过对铝合金DC铸造工艺过程的分析，建立了铝合金DC铸造的控制系统；在分析DC铸造铸锭结晶凝固原理的基础上，完成了冷却水量自动控制的系统设计，并进行了控制策略的选择；基于对铝合金直接水冷铸造，DC凝固原理和工艺过程的分析，本文提出了大尺寸铝合金圆锭铸造的控制系统设计方案。

A new direct chill casting model based on the proCAST software characterizes heat and stress conditions and solidification criteria, and assists in predicting crack formation during aluminum casting.

直冷模铸造的建模和优化，可以减少铸锭开裂这种新的直冷铸造模型是在正面铸造软件的基础上描述在压力和应力状态和凝固标准下预测铝合金铸造过程中裂纹的形成方式。

In the investigation, non-equilibrium Al-based materials were prepared using rapid solidification techniques, including melt spinning and close-coupled inert gas atomization.

从原子拓扑结构角度对Al基合金所特有的极弱非晶形成能力进行了解释，并提出通过小原子的微合金化改善Al基合金的非晶形成能力的思路。

In the investigation, non-equilibrium Al-based materials were prepared using rapid solidification techniques, including melt spinning and close-coupled inert gas atomization.

本研究采用快速凝固技术，包括单辊旋淬和紧耦合惰性气体雾化，制备了非平衡Al基合金材料。

In post-treatment module, directdraw technique and animated-file combination technique are used to output three dimension color graphics of dynamic solidification and color temperature field.

运用高级图像显示技术和动画合成技术，实现了铸件三维图形和凝固过程三维温度场色彩图形输出和动态显示。

A self-made vacuum melting and argon shield continuous unidirectional solidification equipment was used to produce copper tube with continuous columnar structure.

采用自行研制的真空熔炼、氩气保护连续定向凝固设备制备出具有连续柱状晶组织的铜管铸坯，分析了铜管铸坯生产中熔体温度、连铸速度、冷却水量，结晶器等对其的影响。

The research in hot cracking reguarity of directionally solidified Rene125 alloys proved again the theory about solidification contraction and its compensation.

对涡轮叶片材料Rene 125合金定向凝固热裂规律性的研究再一次验证了热裂纹形成的凝固收缩补偿理论。

The formation reasons of microstructures with three different characteristics were discussed by simulating filling and solidification process for the plate die casting.

经过平板压铸件充型及凝固过程的数值模拟，探讨了上述不同特征表层组织形成的原因。

The field test shows the Method of efficient mixing-compression and filtration deposition in order-deep oxidation is the most effective one to treat the drilling waste water in West Sichuan area, which can reach the state first level drainage standards of industrial waste water. The solidification techniques of waste mud can make the waste mud meeting the requirements of strength and environment, which can be put into agricultural fields.

现场试验应用证明：高效混凝－压滤－分级沉降－深度氧化法是处理川西钻井污水有效的方法，可以达到国家工业污水一级排放标准；废泥浆固化技术可以使废弃泥浆达到强度及环保的要求，可实现覆土还耕。

Based on the application example, the principle and effect of water seepage drainage by radiation well in dropping dam saturation line , and improving solidification intensity of trailing dam are analysed and discussed.

通过辐射井排渗的应用实例，分析和论证了辐射井排渗在降低尾矿坝体浸润线，提高坝体尾矿砂自身固化强度的原理和效

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％。