查询词典 seal cutting

After the analyses of the force about different shape of caterpillar thorn, it was considered that the drive force of caterpillar tractor consisted of friction force, extruding and cutting force, edge cutting force and thorn friction force.

一般认为，拖拉机在田间行驶时，切线牵弓l力是由土壤抗剪力产生的，其计算公式通过土壤剪切力导出11·2}。这一观点忽略了其它一些因素的影响，并且只适用于直板式履刺。

The specimen laser cutting experiments show that it is feasible to cut thin quartz glass plates pricisely with laser cutting technique with accuracy of better than 20μm and central symmetry of less than 3m.

对石英玻璃薄板的激光精密切割进行了实验验证，实验结果表明，激光精密切割技术能够较好地运用于石英玻璃薄板的精密切割加工中，其加工精度优于20μm、中心对称度小于3μm。

Next, the change of chip breaking performance of indexable inserts of PVD-coated, CVD-coated carbides and ceramal at obviously increasing of cutting speed, and each of cutting and chip breaker parameters effecting on chip breaking performance of commonly used indexable inserts have been studied experimentally.

首先提出了接触图形法和切屑折断性模糊估计等新的研究方法，然后对几种易于折断的切屑形状及断屑槽型进行了分析和概括，并对切削速度明显提高以后涂层及金属陶瓷刀片断屑性能的变化、各切削参数对常用可转位刀片断屑性能的影响进行了试验研究。

Therefore, Ti-based cermet is studied deeply home and abroad, and has wide use in metal cutting as a new type of cutting tool's material.

但该类刀具材料表现出来的问题是强韧性不足，因此如何提高Ti基金属陶瓷的强韧性就成为材料和切削加工工作者所关注的问题。

Tumefaciens mediated transformation using cotyledonary node as explants was optimized; 3 methods including cutting chapiter, ovary injection and chapiter spreading for pollen tube pathway was compared. Cutting chapiter and ovary injection can both achieve insect resistant gene tranformants.

优化了以子叶节为外植体的农杆菌介导转化技术；比较了切割柱头、子房注射和子房涂抹3种花粉管通道法处理授粉后黄瓜子房的转化效果，切割柱头和子房注射均可成功获得黄瓜抗虫转基因植株。

Clear-cutting is favored by the timber industry over the alternative, selective cutting of individual trees in a forest, for several reasons.

相比在一片森林中有选择性的砍伐树木，伐木公司更偏爱皆伐，有几方面的原因。

Die-cutting die,coiler,cutting machine etc.

模切模、收卷机、裁切机等。

The application of PLC design for cutting the cold-roll workpieces of racking in certain measurementZhenJiang OTL Storage Equipment CO.,LTD ZhangWeiguoAbstract: Cutting the cold-roll workpieces of racking in certain measurement is the most important part in the racking rollforming line ,It's mainly used to cut off the continuous workpieces according to the need of design ,The programmable logical controller replaced the traditional relay to control the system better in this design.

货架冷弯组件定尺剪切是货架冷弯成型生产线上的一个重要环节，它的主要作用是将连续生产的货架组件剪切成库房设计规划所要求的尺寸系列，传统的定尺剪切利用有接点的继电器来实现控制，为提高定尺精度，本文设计采用可编程序控制器取代传统接点继电器对系统进行改进。

The author studied the motion compatibleness of executive system, and built the connection of the motion parameter (motion-stand ratio) that complete "walk paper" craft and the bar dimension of die cutting toggle press mechanism that complete "die cutting" craft.

研究分析了主执行系统运动协调性，建立了完成"走纸"工艺的平行分度凸轮的运动参数和完成"模切"工艺的肘杆机构构件尺寸之间的关系。

The series of ZNFM Full Automatic Lamianator is a compound device which uses the pre-pasted and no-glue film with papers,its head adopts Feida head automatic feeding system,the laminating steel rod using hot oil cycle heating system,the compound pressure adopts air pressure devices,the electrical control system uses PLC Programming controller,the cutting system equips with the cutting system of rotaty flying knife and uchigatana,the back equips with the automatic collecting system, it is space-saving and high degree of automatic,easy operation and high stable performance.

ZNFM全自动复膜机系列，用于预涂膜和无胶膜与纸张的复合设备，该复膜机头部采用飞达头自动输送纸系统，压合钢棍采用热油循环加温系统，复合的压力采用气压装置，电气系统采用PLC编程控制，分切系统配有打刀和旋转飞刀分切装置，复膜机后部配有自动收纸系统，整机占地面积小，自动化程度高，操作简便，稳定性高，是印刷及包装行业的首选设备，能为你在大量生产时可获得更好的经济效益。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。