有环的

Wire will be sandwiched between wooden brake iron plates on the back between the two wire loop, fixed loop in the wire has a certain angle casserole.

钢丝将木板夹在中间刹车铁片于后面两个钢丝环中间，固定在钢丝环沙锅有一定的夹角。

This dissertation mainly analyzes the propagation characteristics of coplanar waveguide resonant-type CRLH transmission line structure based on split ring resonator and microstrip resonant-type CRLH transmission line structure based on complementary split ring resonator, and presents some novel microwave components using them.

本文主要分析了基于开环谐振器的共面波导型与基于逆开环谐振器的微带线型谐振式复合左右手传输线结构的传输特性及其在微波元器件设计中的应用，论文创新及有价值的工作主要有以下几个方面： 1。

Through study of cyclic active database rule sets and analysis of triggering graph and activation graph, we present the concept of united formula and the algorithm to determine termination of a rule set corresponding to a cyclic triggering graph. We also present the time complexity analysis of the algorithm.

我们针对有环时的规则集的终止性进行了研究，通过对触发图、活化图的分析，提出了联合公式的概念，在此基础上给出了判定有环触发图对应的主动规则集的终止性算法，并给出了时间复杂度分析。

Diacylhydrazine cyclopropane compounds were synthesized from cyclopropane carboxylic acids which have comparable characters in the structures.

以结构上有可比性的环丙烷羧酸为原料，合成了环丙烷双酰肼化合物，结构经红外和核磁验证。

Jiangsu Agrochem Laboratory, Changzhou 213022, Jiangsu, China Abstract: Diacylhydrazine cyclopropane compounds were synthesized from cyclopropanecarboxylic acids which have comparable characters in the structures. Their structures were confirmed by IR spectrum and 1H NMR.

江苏省农用激素工程技术研究中心，江苏常州 213022 摘要：以结构上有可比性的环丙烷羧酸为原料，合成了环丙烷双酰肼化合物，结构经红外和核磁验证。

Many of the aza quinazolines have showed potent activity, such as pyrido[2,3-d]pyrimidine, pyrido [3,2-d]pyrimidine, pyrido[4,3-d]pyrimidine, pyrido[3,4-d]pyrimidine, and pyrimido [5,4-d]pyrimidine. Moreover, the compounds that the benzene in quinazoline ring was substituted by five-member rings, such as pyrrolo[2,3-d]pyrimidine, pyrazolo[3,4-d]pyrimidine, can also inhibit the EGFR and show bright prospects.

然而喹唑啉环并非EGFR抑制剂所必须的，在随后的研究中，人们发现许多氮杂喹唑啉类也有很好的活性，如吡啶并[2，3-d]嘧啶类、吡啶并[3，2-d]嘧啶类、吡啶并[4，3-d]嘧啶类、吡啶并[3，4-d]嘧啶类、嘧啶并[5，4-d]嘧啶类，也就是在喹唑啉环的5，6，7，8-位都可以氮杂，且都有活性。

Furthermore, in [3], Chen et al. proposed the mixed chordal ring network.

在文献[3]中，陈尚宽学长、黄光明老师、以及刘昱绮学姊又推广「有向的弦环式网路」来提出另一种有向的网路的连法，称为「混合的弦环式网路」。

While the diameter of an undirected chordal ring network has been well studied [1], the diameter of a directed chordal ring network and the diameter of a mixed chordal ring network are not known.

虽然「无向的弦环式网路」的直径已被完整地研究、并且可以运用公式得出，但是截至目前为止，「有向的弦环式网路」的直径、以及「混合的弦环式网路」的直径却还未被完全找出来。

The results show that the casing external collapse load could be lowered to some extent by increasing the cement sheath elastic modulus. But the effect of increasing elastic modulus is much less than that of decreasing the elastic modulus of cement sheath.

研究结果表明，增加水泥环弹性模量对套管外挤载荷有一定的减缓作用，但效果远没有降低水泥环弹性模量明显。

In the pump body installed a stator swing span and a swing span rotation shaft, the swing roller bearing on the stator swing span connects with an end of the stator mount, the other end of the stator mount connects with the stator; on the plunger connecting rod sliding boot installed a static pressure balance chamber, the holding rings are arranged on the two sides of the plunger connecting rod sliding boot which has a fit clearance with the holding rings; the rotor rotates the stator simultaneously via the plunger piston; the needle roller bearings are arranged on the two inner circles and fit with the port axle.

在泵体内安置有定子摆架和摆架转轴，位于定子摆架上的摆架滚子轴承与定子托架的一端配合联接，定子托架的另一端与定子相连；柱塞连杆滑靴上设有静压平衡室，柱塞连杆滑靴两侧设有保持环，柱塞连杆滑靴与保持环有一定的配合间隙；转子通过柱塞带动定子同步旋转；在转子内圆两端设有滚针轴承，滚针轴承与配流轴配合。

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