查询词典 crane

In this paper, the optimization of the luffing system of the brachial-bridge portal container crane with combined compensating pulley is studied.

所得到的最优解序列将逐步逼近原问题的最优解。

A new-type quayside container crane with jib-bridge luffing system as the main working part is brought out.

摘要提出一种以臂桥架变幅系统为主要工作机构的岸边集装箱起重机。

And Genetic Algorithms has some advantage which traditional method don"t have,for example,in Genetic Algorithms we didn"t need the calculation of grade.The optimization design of portal crane luffing system is a good example in which optimization design is applied in engineering design.

门座起重机变幅系统优化设计是将优化设计方法应用于工程设计的典型例子，但由于设计工程问题的复杂性，采用传统的优化设计方法优化的成功率及效果并不理想。

Tak ing 80 t crane as an optimum example,thecalculated results show as follows :the luffing path is improved;the in...

对变幅轨迹的高度差和曲线形状影响较大的多数是G、F、L＿1和a。

To design the size of luffing systemic primary structure of the four-bar linkages" suit jib,what is mostly segment to impact these same type crane" whole-work well or bad .

传统的作法是更多的关注变幅机构功率的大小，而忽视了金属结构受力的好坏。

According to the technological data of the large lorry crane's pictures in foreign countries, we use the method of photo-view anti-processing, gain the luffing mechanism's structural measure parameter.

摘要根据国外大型随车起重机的图片等技术资料，运用影像反求图解的方法，得出其变幅机构的近似尺寸。

He is a most valiant Marquis, and showeth in the form of a Black Crane, fluttering about the Circle, and when he speaketh it is with a hoarse voice.

他是最强悍侯爵、showeth的形式黑色起重机，飘扬的圈子，而当他用嘶哑的声音是

He is a most valiant Marquis, and showth in the form of a Black Crane, fluttering about the Circle, and when he speaketh in all Arts and Sciences, but especially in the Art of Rhetoric.

或 Saleos 他在一只鳄鱼上是以英勇的比较坚硬的骑形式很棒的和有势力的公爵，和 appeareth，藉由在他的头上公爵的王冠，但是平静地。

Mounting pressure sensors on hydraulic cylinders and integrating them with electronic controls can prevent crane booms overextending.

安装在液压缸上的接口压力传感器，与电气控制整合在一起可以阻止起重机吊杆过分伸长。

Red-crowned crane ; Overwintering behavior ; Climate factor ; Food ; Safety

丹顶鹤；越冬行为；气候因子；食物；安全度

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。