薄壁

To provide methods for the study of laser rapid prototyping system based on polar coordinates, especially it apply to featheredge spheroid parts; The make-up of SLS rapid prototyping system based on polar coor.

本文基于激光变长线快速成型系统和激光点扫描快速成型系统的特征，激光选区烧结成型工艺因其适用于中小型零件，且选用材料广泛，对其研究具有现实意义；为基于极坐标系的激光快速成型系统的研究提供了素材，特别是对于薄壁回转体零件具有较强的针对性；详实地讨论了基于极坐标的激光选区烧结系统的组成。

FILM GATE This gate may be considered as a long rectangular-type edge gate and it is used for large, thin-walled components to assist in the production of warpage free products.

膜状浇口。这种浇口可以看作为长矩形边缘浇口，用在大的，薄壁的塑件，有助于避免产品的变形翘曲。

Cold-formed steel ; lipped channels ; distortional buckling ; finite element analysis ; effective measure

冷弯薄壁型钢；卷边槽钢；畸变屈曲；有限元分析；控制措施

As the products become thinner and more complex, the fluidic property of co-polypropylene is becoming more important.

随着产品的不断薄壁化、复杂化，对共聚聚丙烯的流动性的要求越来越高。

Our produces are such as: Diamond segments,Pressure Sintered Diamond Segmented Circular Blades,Diamond Wire,Frame Saw Blades, Diamond segmented saw blade of small dimension,Diamond Drills,Profiling Wheels,Diamond Grinding Plates,ect.

主要产品有金刚石刀头，热压结块式金刚石圆锯片，绳锯，金刚石排锯片，金刚石小切片，金刚石钻头，金刚石工程薄壁钻，金刚石异形工具，等。

Separately using the casting, the punching and the galvanoplasty method to produce identical thin wall part, comparison with consumes energy is carried on.

分别用铸造、冲压和电铸3种不同的成形方法制造同一薄壁零件，并对其消耗的能量进行比较。

And with decrease in light intensity,the shape of palisade mesophyllchanged from column into invert pyramid.The higher proportion of granum thylakoid,more granum in one ganum thylakoid and lower ratio of chlorophyll a to chlorophyll bwere also the responses of leaves to shading.

在庇荫环境中，栅栏组织薄壁细胞由全光的柱状变成倒锥形、叶绿素a/b率显著降低、叶绿体中基粒类囊体所占的比例提高、每个基粒类囊体垛的片层数量增加等，也是幼树提高叶片对弱光利用能力的主要标志。

Wine grape ; Sugar accumulation ; Molecular biology mechanism

在葡萄成熟时，果肉薄壁细胞的液泡积累大量的葡萄糖和果糖

In this paper, the deep drawing of TA0 titanium hemispherical part is studied by numerical simulation and experiment method.

以TA0薄壁半球形零件冷拉深成形为研究对象，采用数值模拟与试验研究相结合的手段，在研究该拉伸成形过程中零件的应变及壁厚分布规律及组织演变规律的基础上，对破裂、起皱缺陷位置进行了预测。

hhc filling process of RT M for the two step 3D braid shell prcform with a varying section.

采用分段一集合计算方法，对二步法三维编织变厚度变截面薄壁壳体RTM充模工艺过程进行了较深

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐