Study on the Interface Reaction betweenSeveral Molding Materials and Ti153 Alloy;
Ti-15-3合金与铸型材料界面反应的研究
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。
This is an algorithm solidification simulation about“multiple nodal region”in boundary node of casting and mold system.
本文研究了铸件 铸型体系中异类材料分界面上“复合节点领域”的凝固计算。
Observation of distributions blood vessels of renal arteries in Bactrian camel by casting mould technique;
双峰驼肾动脉血管分布的铸型观察
After pouring the liquid metal into the casting mould, two processes apear immediately:the temperature of the liquid metal comes down constantly, and that of the casting mould rises.
研究了液态金属注入铸型以后 ,液态金属温度下降和铸型温度上升的过程。
Objective To improve the method of casting mould of lymphatic vessel in organs.
目的 :对器官内淋巴管铸型方法进行改良。
Computer aided design for casting coat;
铸型涂料配方计算机辅助优化设计
Observation on the coronary arteries casting of Grus grus;
灰鹤冠状动脉的铸型观察
Methods: The value of three dimensional CT angiography were evaluated as a tool for laparoscopic surgery of liver in 4 liver cast specimens and 8 patients whose tumor in liver were going to be resected by laparoscopy.
方法 :铸型标本 4例及拟进行腹腔镜肝脏肿瘤切除的患者 8例 ,用CT图像进行三维重建 ,评价其在腹腔镜肝脏外科的应用价值。
In order to obtain the corrosion casts of the bronchial arteries in sheep,the pulmonary arteries,veins and bronchi of sheep were selected to be perfused together with the bronchial arteries.
绵羊支气管动脉具有管径很细、呈线型分布、分布距离远、分布位置广等特点,再加目前使用的铸型剂塑料材料的柔韧性差,支气管动脉的单独铸型标本难以显现血管的立体结构和分布。
ObjectiveTo summarize the experience of diagnosis and treatment to biliary cast syndrome in patients after othotopic liver transplantation.
目的总结肝移植术后胆道铸型综合征(BCS)诊断和治疗的经验。