切割

Firstly, we use the algorithm of Dijkstra in shortest path problem to find the paths of shortest cutting in stone material industry.

首先，利用最短路问题的Dijkstra算法，找出了石材切割的最优切割路径。

According to the above-mentioned technique projectabout simple NC system for plasma arc cutting, an experimental equipment based on open-loop control is made.

根据前面讨论的数控等离子体弧切割系统的技术方案组装了一套开环控制的简易切割装置。

U The cutting of the seamless adhesive materials like skiing waterproof coat, diving suit, skivvies etc.

u 滑雪防水服，潜水衣，内衣，沙滩裤等无缝粘合类材料的切割，帐篷，睡袋等户外用品的开料切割

With its wear resistance and high rigidity, it is suitable to be mounted on a slicer for the deep cutting of ceramics and other hard and fragile materials.

该产品发挥金属结合剂切割刀片的高耐磨性与钢芯的高刚性，适合安装在划片机上，对陶瓷等硬脆材料进行深切割及分割加工。

After cutting, a spacer was cut and installed to join the two pieces of the body.

切割后，一个逆电流器被切割下来，并且被装在吉他的两半之间，起到连接作用。

The procedure of pipe laser oxygen cutting and the model of generation of striation on cut surface were studied respectively.

了研究管材激光有氧切割过程和切割表面条纹形成模型。

It regards the cutting track of virtual surgical knife as the cutting intersection of a polygon prism and a triangular mesh model.

该算法用凸柱体模拟虚拟手术刀对三维网格模型进行切割，根据截骨术的切口类型构造柱体，用此柱体进行切割实现骨块的分离。

A drilling apparatus (10) for earth boring operations is of the type having cutter blades (17, 18) mounted on a support body (12, 72, 82) at the lower end of a drill string and includes a novel arrangement of fluid bore sections (15, 23, 23', 63, 64, 65', 92) for delivering fluid under pressure into fluid discharge passages (50, 52) in each of the blades and a bifurcated pivotal mounting portion (16, 74, 91) on the body which enables the bore sections to supply fluid to the cutter blades through a ball joint (22) on the pivotal axis.

一种用于地面钻孔操作的钻井设备(10)，在钻柱的下端具有安装在支撑体(12，72，82)上的切割刀片(17，18)，并包括流体孔部分(15，23，23′，63，64，65，65′，92)和该支撑体上的分叉的枢转安装部分(16，74，91)的新颖结构，该流体孔部分用于在压力作用下将流体供给到每个刀片的流体排放通道中，该安装部分使的该孔部分通过枢转轴线上的球接头(22)能够将流体供给供给到该切割刀片。

To have a systemic understanding, we study photoemission、theoretics of photon、theoptical wave-particle duality, beginning with essence of light.

它主要应用于硅、锗、砷化镓和其它半导体衬底材料的划槽和切割，特别适用于单晶硅、多晶硅、非晶硅太阳能电池的切割。

Can accomplish lengthwise multi-burner cutting, widthwise straight-flange cutting and auto-cutting of random geometric

切割，也可以进行任意平面几何图形的自动切割。门架式结构，强度高，刚性好；日本松下全数字式交流伺服驱

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。