查询词典 ring

Aiming at solving the difficulties of prototype manufacturing of conical ring for the steam generator shell of 600MW Nuclear Reactor,this paper developed a new techniques for the prototype manu-facturing of the great conical ring utilizing ring rolling technology based on RAW200/160-5 ring rolling.

1引言600MW蒸汽发生器壳体是核电站的关键设备，由封头、锥形环件和筒体组焊而成。以往制造这种锥形环件所采用的办法是，先锻制环形筒件再采用机械加工方法成形或者采用自由锻造方法直接在水压机上锻制出大型锥形环件，但这些工艺既费工时又大量浪费材料，而且产品精度不高[1]。

Factory main production: ring, wave washer, saddle-type flexible gasket, C-type snap ring, dish washer, single-ear binaural, round nut with washer stop, both within and outside the teeth, the bearings folder, plum gaskets, flexible cylindrical pin , card ring, DIN standard ring and all kinds of custom pieces of red stretch.

本厂主产：挡圈、波型垫圈、鞍型弹性垫圈、C型卡环、碟形垫圈、单耳双耳、圆螺母用止动垫圈、内外齿、轴承夹、梅花垫圈、弹性圆柱销、卡圈、DIN标准挡圈及各类冲拉伸件定制。

The structure shown in the figure : The governing body received direct or roller drying cylinder, as the main components of the rotation; After finishing the outside of the sphere, Bottom Cover and soak spherical carbon graphite seal ring joint seal reliable seal friction deputy, Sealing ring in the spherical shell of its annular space sliding, in addition to oil-free bearings and with the close cooperation of Shell, Rotating connector so that the free support, and therefore do not require a high level of accuracy installed; Spherical seal ring wear, Spring means of pressure at any time in advance to receive compensation, compensation for the shell slowly moved backward, accessible through the tube outside the inscription on the line to observe the seals wear; When steam, Oil flows through the media or other spherical sealing ring and oil-free bearings, the formation of thin liquid film, sealing and lubrication, thereby reducing friction and wear, extending the service life.

其结构如图所示：外管体直接接到辊子或烘筒上，为主要的旋转部件；经过精加工的外管本球面、底盖和浸泡碳石墨球面密封环共同组成密封可靠的动密封磨擦副，球面密封环在其壳体内的环形空间中滑动，加之无油轴承与壳体的密切配合，使旋转接头自由支撑，故对装机精度要求不高；球面密封环磨损后，借助于弹簧的预压力随时得到补偿，补偿时壳体缓缓向后移动，并可通过外管体上的刻线观察到密封件的磨损程度；当蒸汽、油或其它介质流经球面密封环和无油轴承时，形成一层很薄的液膜，提供密封和润滑，从而减轻了摩擦和磨损，延长了使用寿命。

Products include a variety of castings and forging, and so on more than 1,000 pieces of products, of which shackle, the first card, blue flowers, wheels, rings, rotating ring, rings, screws, nuts rings, spring hook, hook-eye, rotating hook, Ring, D-ring, ring fast connection, U-Wire, bollard, hold the door, the living section bolts, butterfly nut products such as stainless steel rigging has been occupied with domestic and international cable industry's fixed market.

产品包括各种铸造件和锻造件等上千余种产品，其中卸扣、卡头、花兰、滑轮、套环、旋转环、吊环螺丝、吊环螺母、弹簧钩、眼型钩、旋转钩、圆环、D型环、快速连接环、U型丝、系船柱、门扣、活节螺栓、蝶型螺母等不锈钢索具产品已占领国内外索具行业的固定市场。

This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.

本论文主要研究了亚甲基环丙烷类化合物的一些化学反应性能，共由以下六部分组成：1、亚甲基环丙烷类化合物与苯硫氯、苯硒氯及二苯基二硒的反应；2、亚甲基环丙烷类化合物开环产物的偶联反应；3、单芳基取代的亚甲基环丙烷类化合物在钯催化剂作用下的扩环反应；4、金化合物催化磺酰胺对亚甲基环丙烷类化合物的串联开环关环氨氢化反应；5、路易斯酸催化亚甲基环丙烷类化合物与丙酮二羧酸二乙酯在有水存在下的反应；6、醋酸碘苯促进的亚甲基环丙烷类化合物、亚乙烯基环丙烷类化合物及亚甲基环丁烷类化合物与邻苯二甲酰肼的新型1，3-偶极环加成反应。

Second, China's land available for development to many, such as Beijing, Lin said that the time had come to Beijing, only the Third Ring Road, Fourth Ring Road was not yet out, and then there Sihuan, there are five rings, and now has six ring part of the opening, and the tricyclic tetracyclic ring for each additional one is quite a city the size doubled.

第二，中国的土地可用于发展了许多，如北京，林说，现在已经到了北京，只有三环路，四环路还没有了，然后有四环，有五个环，现在有6个环的一部分，开放和三环四环环，每增加一个城市是一个相当的规模增加了一倍。

An embodiment of a method may include rejecting an arriving packet at a destination node on a semiconductor chip's ring interconnect, e.g., an unbuffered, synchronous ring interconnect, if all of the destination node's buffers are not available, leaving the rejected packet on the ring interconnect to continue traversing the ring, and accepting the rejected packet upon arrival at the destination node, if a buffer is available.

方法的实施例可包括，如果例如无缓冲、同步环形互连(120)的半导体芯片的环形互连上的目的地节点110(1-n的所有缓冲区均不可用，则在该目的地节点处拒绝到达的分组，将该被拒绝的分组留在环形互连(120)上以继续遍历该环，并且如果有缓冲区可用，则当被拒绝的分组到达目的地节点110(1-n之后接受该分组。

According to the researching actualities in ring rolling, this paper researched deeply the basic law of rolling deformation by simulation using ABAQUS software on the base of ring rolling theory and elastic-plastic kinematics explicit FEM. And the residual stress in cold ring rolling was computed by numerical simulation.The mass scaling measures in finite element simulation of ring rolling were researched.

本文针对环件轧制的研究现状，基于环件轧制理论和弹塑性动力显式有限元法，以ABAQUS有限元分析软件为平台，以数值模拟的方式对环件轧制变形的一些基本规律进行更深入的研究，并对环件冷轧时的残余应力进行数值模拟计算。

The ring is rolled by drive roller and mandrel roller, drive roller offer rotation to make ring rotate continuously and mandrel roller offer line feed to make the ring wall become thinner and thinner. The guide roller ensure the ring rolled comfort, and inspect roller check the rings diameter whether reach the limit dimension.

主动辊提供转动，使环件变形区不断循环周而复始的通过轧辊孔型；芯辊提供直线进给运动，使环件壁厚不断减小以实现环件直径扩大的加工过程；导向辊保证轧制平稳进行，检测辊测量轧制环件尺寸是否达到要求以停止轧制。

From the computed ring spacing of three multi-ring basins on the moon (Orientale, Moscoviense and Serenitatis South), it is shown that the tsunami model can only be applied to the area within the main ring, this agrees with the previous conclusion that the Ⅳ ring marks the end of fluidized region and the crater rim of the excavated basin.

通过计算月球上三个多环盆地（东海、莫斯科海和南澄海）的环位置并与观测数据进行比较可看出海啸模型仅适用于主环之内，该环也标志着挖掘盆地的边缘和液化区域的结束边界。

Objective To study the effect of chitosan in the prevention of fibrous scar formation in the epidural space after laminectomy.

目的 观察选择性脊神经后根切除术椎板切除后硬膜外几种防瘢痕粘连物质的作用并探讨其机制。

On his way to the lift, he looked back to us or was it me his eyes pointing?

当他要进电梯时，他回头看我们（或者说是我，他的眼光？