铸

The results show that the equiaxed zone ratio of the casting billet is greatly increased,with its soidification structure is obviously improved,and the momentum values of the electromagnetic forces both parallel to and perpendicular to the direction of the traveling magnetic field pulsate periodically with time.

采用三相通入不同电流的非平衡线性电磁搅拌技术进行了铸坯的静态浇铸实验，并对电磁搅拌过程中钢液内的电磁力各分量的瞬时值进行了理论分析·结果表明，当采用将电磁搅拌器的三相通入不同电流的非平衡线性电磁搅拌时，在钢液内所产生的电磁力是脉动的，其大小呈周期性变化，尤其是垂直于磁场运动方向上的电磁力，其脉动的幅度很大·由此认为，当采用将搅拌器的三相通入不同电流的非平衡线性电磁搅拌时，所产生的垂直于磁场运动方向上的脉动电磁力是提高等轴晶比率，改善铸坯凝固组织的一个重要原

Methods Twenty fresh pig hearts,perfusing with perchloroethylene ethyl acetate plastics filler locally,to show the stracture and the ramust of the left and right coronary artery and solid structure of the artioventricular artery sufficiently.

方法新鲜猪心20例，用过氯乙烯-乙酸乙酯填充剂灌注，制作心脏动脉铸型和局部房室结动脉铸型，充分显示左右冠状动脉及其细小分支和房室结动脉的立体构筑。

Chevalier has always paid attention to the development of new products and the contribution of technology during its growth and has successfully developed high-class cast tube lamp series, high-class cast ox-eye lamp series, high-class crystal quartz lamp series, cross lamps and import-packed tube lamps series bean lamp series, reflector lamp series, and golden halogen lamp series.

过程中，公司一直注重产品的开发和技术投入，目前已经成功开发出高档压铸筒灯系列、高档压铸牛眼灯系列、高档水晶石英灯系列、各款横插灯及出口装筒灯系列、豆胆灯系列、各款射灯系列、各款金卤灯系列等多个品牌。

The coating on steel castings in EPS-V process should be not only of high strength and high refractoriness, but also of high permeability.

提出一种简单可靠的实型负压铸钢件涂料常温和高湿透气率测试方法，通过尺寸修正和温度修正，计算出负压实型涂料的透气率，并以此为手段，研制出一种高透气率的实型负压铸钢件涂料

The dynamic inward pushing of shell is a process including remelt of shell pushing into the liquid core, solidification as well as strand thickness reduction, simultaneously.

铸坯沿拉坯方向的伸长受到抑制的液芯铸轧过程同时是一个动态反向堆钢过程。

Remelt-dilution process for in-situ aluminum matrix composites Al2O3-Al3Ti/Al and Al2O3-TiC/Al produced by reactive sintering was investigated,and effect of the remelt temperature and the types of primary composites on the microstructure were discussed.

将反应烧结所获得的Al2O3－Al3Ti／Al和Al2O3－TiC／Al原位复合材料初坯进一步用于重熔稀释，获得了致密的、颗粒弥散分布且颗粒含量适中的铝基复合材料铸坯，并对影响该铸坯组织的因素进行了分析讨论。

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。

Dynamic rheological test was introduced and the dynamic shearing modulus G', the loss modulus Gand the complex viscosity of coatings were measured.

把流变动态测试引入铸型涂料的研究，测量出了铸型涂料的动态剪切模量G〓、损耗模量G〓和复合粘度η〓。

This Paper mainly introduces the set uP. of the mathematic model, the mathematic choice of simulation algorithm, the content of the computer simulat...

本文主要介绍了连续铸钢凝固传热过程数学模型的建立、仿真算法的数学抉择、连续铸钢凝固传热过程计算机仿真软件包的主要内容及该软件包应用于实际的结果分析等。

The results showed that the junction area of the hi-Cr white iron-carbon steel cast-in casting consisted of the ferrite zone and the Fe,C,Cr-containing sorbite zone .

结果表明：高铬白口铸铁-铸钢镶铸铸件结合层为铁素体带和含有Fe、C、Cr的索氏体带组织构成。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了