铸型

The characteristics and process of the coated sand moldmade by selective laser sintering rapid prototyping are introduced.

介绍了用选择性激光烧结快速成型技术直接制造覆膜砂铸型的特点及工艺过程。

objective to evaluate the efficacy of minimally invasive percutaneous nephrolithotomy in treatment of recurrent renal branched calculi.

目的 探讨微创经皮肾穿刺取石术治疗肾复发性铸型结石的临床效果。

The combinative treatments of transcutaneous nephrocentesis,nephrosˉtomy and ureterolithotomy through ureterocystoscope is effective,once ureter stone-street happensafter ESWL-treatˉment.

肾内铸型结石不适合用ESWL治疗；采用经皮肾穿刺造瘘术和输尿管镜取石等综合治疗输尿管石街的方法是有效的。

ESWL isn't applicable for the patient with kidney casting mold-stone.The combinative treatments of transcutaneous nephrocentesis,nephrosˉtomy and ureterolithotomy through ureterocystoscope is effective,once ureter stone-street happensafter ESWL-treatˉment.

肾内铸型结石不适合用ESWL治疗；采用经皮肾穿刺造瘘术和输尿管镜取石等综合治疗输尿管石街的方法是有效的。

Methods:The artificial defects of 20 rabbits were repaired with frozen allogeneic mandible and fresh syngeneic mandible to study the revascularization's dynamic process of mandible transplantation by the inkgelation vascular perfusion,vascular corroisioncast,Nuclein scintigraphy;the 85 cases received frozen allogeneic mandible transplantation and the measures to improve revascularization;The defects were implanted with bFGF and allogeneic bone,the defects were only repaired with allogeneic bone as control group.

通过冷冻异体下颌骨和新鲜自体骨移植修复20例家兔下颌骨缺损的动物实验，经墨汁明胶血管灌注法、血管铸型法、放射性核素骨显像研究了异体下颌骨移植再血管化及骨改建的动态过程；同时另20例采用bFGF和异体骨修复作为实验组，单纯异体骨修复作为对照组，植入后1个月、3个月行墨汁明胶血管灌注透明法及组织学观察。

Patternless Casting Manufacturingtechnology is one kind of Rapid Prototyping technology with independent intellectual property rights of our country and it has been widely applied in many fields.

清华大学机械工程系激光快速成形中心，北京 100084摘要：无模铸型制造技术是一种具有我国自主知识产权的应用广泛的快速成形技术。

In practical application of rapid manufacturing of complicated casting, the advantages of easy obtaining molding material, short period manufacturing, low cost, the good quality casting are showed in patternless casting manufacturing and especial the promptitude virtue are full showed.

在复杂铸件快速制造的实际应用中，无模铸型制造技术表现出造型材料易得、制造时间短、制造成本低、铸件质量好等优点，体现了快速敏捷制造的优势，也为快速成形技术在铸造中的应用开辟了一个新领域。

The higher the infusion pression is, the better the results of casting vessels are.

灌注时管腔内的压力越大，铸型的血管充盈越好。

Cast mould of CT scan is an effective means for threedimensional reconstruction of hepatic portal vein, which services presurgery plan and operation of laparoscopic hepatectomy .

管道铸型标本CT扫描法是肝门静脉系进行三维重建的一种有效技术方法，对腹腔镜肝外科术前的计划制定和术中操作具有临床意义。

Methods: Lymph nodes of neck in fetus were used as research objects. Lymph nodes dyeing, scanning electron microscopy on lymph nodes and cast of nodal sinus were employed to research the features of sinal structure.

以胎儿颈部淋巴结为研究对象，采用淋巴结窦腔显色观察，淋巴结及淋巴结窦腔铸型体扫描电镜观察，确定淋巴结窦腔结构特点。

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。