铸型

In order to obtain the variation law of temperature during casting solidification to improve casting quality,a finite element method combining with a finite difference method was used to discretize time and space variables in the governing equations of astable heat-conduction in the process of casting solidification so as to obtain the algebraic equations for casting and mold temperature.

为了掌握铸件凝固过程中温度场的变化规律以提高铸件质量，采用有限元和有限差分相结合的方法离散铸件凝固过程非稳态热传导方程的空间和时间变量，得到了关于金属铸件和铸型温度的代数方程。

objective: to study the treatment of hypertensive cerebral hemorrhage casting.

目的：探讨高血压脑出血脑室铸型的有效治疗方法。

This paper describes an anode-out-electrolyzer-moulding and sintering process of 60kA side-mounted self-sintered anode for aluminium electrolyzer, analyses the technical feasibility and the economy of this process.

本文论述了60kA侧插自焙阳极铝电解槽阳极的槽外铸型和焙烧方法，分析了这种方法的技术可行性及其经济效果。

The main contents include: the original sand and refractory raw materials, bonding materials, add materials, auxiliary materials, process materials, inorganic sand and core sand binder, organic binder sand, other mold sand, foundry paint, investment casting materials, type of EPC.

其主要内容包括：原砂及耐火原料、粘结材料、添加材料、辅助材料、工艺过程材料、无机粘结剂型砂和芯砂、有机化学粘结剂砂、其他铸型砂、铸造涂料、熔模铸造材料、消失模铸型。

The deciduate casting mould agent casting mould drawing of patterns agent adopt high grade material to compound but is accomplished, have volatilizing speed is quick , efficient, spread brush repetition usage many times , do not glue a model.

铸型脱模剂铸型脱模剂采用优质材料配制而成，具有挥发速度快、效率高，涂刷一次可重复使用多次，不粘模。

With the increment of L〓, T〓, and V, the S/L interface budges out mold exit.

随着冷却距离、铸型出口温度和牵引速率的增大，固液界面位置向远离铸型出口的方向移动。

This method can realize to reverse the wheel's moulds by its casting model., The casting moulds can be prepared by sintering precoated resin sand using SLS technology. Subsequently appropriate treatment to the moulds, the wheel-shaped aluminum, iron, and steel castings were poured successfully.

该工艺可由铸件三维数字实体模型&反求&精铸型壳实体模型，利用SLS技术直接烧结覆膜树脂砂，制造型壳，然后对铸型经过适当后处理，浇注了3种材质的金属件。

The thickness change of the surface reaction layer has been calculated and its influencing factors have also been analyzed.

在本计算条件下，铸型预热对合金与铸型的界面温度影响明显，而浇注温度对界面温度的影响不明显。

The Measures of Improving the Sintered Strength of the Coated Sand Mold Made by Selected Laser Sintering SLS

分析了影响覆膜砂铸型烧结强度的因素，详细地讨论了提高选择性激光烧结覆膜砂铸型烧结强度的各种措施。

In order to produce high quality single crystal, the solid-liquid interface morphology must be smooth, even be plane.

当固液界面位于铸型内距出口端2～3 mm时，可获得表面光洁、晶体取向度小于10°的连铸铜单晶。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。