多腔的

Approximate form ula on the output cavity coupling coefficient of the MBK was driven,using metho d of the normal mode analysis for a pillbox output cavity.

对柱型输出腔，利用正交模分析的方法导出了输出腔耦合系数的近似式，对多束速调管的频宽特性进行了初步分析。

Moreover, the inner cone has the characteristic of Lewis basis with high electron density because of the lone-pair electrons of oxygen atoms stretching towards it and can form inclusive compounds with varied compounds. The special structure of CD is very important to separate and analyze enantiomers, which has become the most important mainbody of super-molecular chemistry and greatly improved the developments of bioscience and pharmaceutical chemistry.

环上具有多羟基，具有亲水性。O原子的孤对电子朝向内腔，使内腔具有高的电子密度，具有Lewis碱的特征，能和多种化合物形成包合物，这种结构因素在手性识别上起作用，目前它已经发展成为超分子化学最重要的主体，对促进生命科学和药物科学的发展具有重大意义。

The flow regime in downcomer can be divided into two kinds: cross flow injection and impingement. Cross flow injection only takes place under low injection flow rate in dowcomer flow. The investigation on flow regime and heat transfer in RPV under PTS is for the first time in China.

在国内本实验是第一个研究下降环腔内的流动与传热，在国际上，象这样同时进行了流动可视化，常温常压下传热和高温高压下传热的实验也不多，特别是针对下降环腔内对流换热系数的研究，在公开文献中还没有相类似的实验。

The machine is canceled the underprop, wheel and axle are directly fixed on the reducer, so the machine is lightened its weight; the material cavity of the rotor is adopted a new style, such as trapeziform, roundness, multi-material cavities, it makes series of blowing, less spraying pulse.

本机型的设计取消了支撑架，轮轴直接固定在减速器上，减轻了重量；转子的料腔采用了新型的呈梯形、圆角、多料腔结构，使得进风连续，喷射脉冲小。

The machine is canceled the underprop, wheel and axle are directlyfixed on the reducer, so the machine is lightened its weight; thematerial cavity of the rotor is adopted a new style, such astrapeziform, roundness, multi-material cavities, it makes series ofblowing, less spraying pulse.

本机型的设计取消了支撑架，轮轴直接固定在减速器上，减轻了重量；转子的料腔采用了新型的呈梯形、圆角、多料腔结构，使得进风连续，喷射脉冲小。

The cavity in core zone gradually turned bigger with longer culture time, whose volume was more than half of the whole inner structure at cell contabescence phase.

随着培养时间的延长核心区内的空腔逐渐增大，生长衰亡期的细胞聚集体空腔占据二分之一体积还多。

A photonic crystal-air interface or line defect is utilized as a holophote or a partial reflective mirror to design a paralleled plane cavity, a single ring cavity structure and a multi-ring cavity structure. The method has simple design idea, good integration and wide application; by adopting the method, the self aligning photonic crystal lasers with different wave bands can be designed according to the luminescent characteristics of different materials; particularly, the utilization of semiconductor materials to design a light source of optical communication wave bands has more important practical value.

利用光子晶体-空气界面或线缺陷作为全反射或部分反射镜设计平行平面腔、单环形和多环形腔结构；该方法设计思路简单，集成性好，适用范围广，可根据不同材料的发光特性设计不同波段的自准直光子晶体激光器，特别是用半导体材料设计光通讯波段的光源器件具有更重要的实用价值。

The existence of indissolvable interlayers leads to many adverse effects for building salt cavern storages by solution mining. It is an urgent technical problem that how to forecast and control the collapse of indissolvable interlayers.

盐岩矿床中难溶泥质夹层的存在给地下储库水溶造腔带来了诸多不利影响，如何有效地预测与控制水溶造腔过程中泥质夹层的垮塌成为亟待解决的技术难题。

Closing an airlock between a loading chamber and a plurality of process chambers arranged about an axis

关闭加料腔与多个按轴布置的工艺腔之间的气闸

There are a world of different for clinical manifestation and imaging manifestation in carcinoma of ulreter and polyp of ureter, polypus were cured in opening operation and laparoscopy or intracavitary, hut carcinoma of ulreter should were selected to opening operation or laparoscopy in first, intracavity operation of recuring rate was higher and had more complications.

输尿管癌和输尿管息肉的临床表现及影像学表现有很大的不同，息肉可通过开放手术、腹腔镜或腔内手术治愈，但输尿管癌应以腹腔镜或开放手术为首选，腔内手术复发率高，并发症多。

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