圆环

Patterns in Nature: Reflections Wyoming's Lonesome Lake captures a crystal clear likeness of Cirque of the Towers, a circular mountain-ringed basin in the Wind River Range.

怀俄明州的寂寞的湖捕捉到水晶状清晰的相似性大圆环的塔楼，圆山――环盆地，在风河范围内。

The transforms of disks and rings and the like will obviously be circularly symmetric.

圆盘和圆环等的变换式显然将是圆形对称的。

The lining is an unsealed copper ring; the section of the lining inner cavity is a ladder cavity, the bottom is equipped with an edge shaped via enclosing a crucible; the heating coil is silverly welded in the arc groove of the cylindrical surface of the lining, and the upper of the lining winds a few turns coil around the center of the crucible; the two ends of the composite induction heating device are accessed to a high frequency induction power respectively.

内衬(11)为未封闭铜圆环；内衬内腔的剖面为梯形空腔，底部有装入坩埚(4)的刃形通孔(12)；加热线圈(10)银焊在内衬外圆表面的弧形凹槽中，并在内衬(11)上方以坩埚(4)为中心绕制数匝线圈；将复合感应加热装置(5)的两端分别接入高频感应电源(9)。

The dczincification behavior of an brass (HPb59-1)in deaerated acidified solution of sodium chloride containing no Cu~+ was investigated by rotating ring-disc electrode.

本文在前文基础上，用旋转圆盘-圆环电极进一步研究了两相黄铜HPb59-1在不含Cu~+的去氧酸性氯化钠溶液中阳极溶解时的脱锌行为。

FIG. 8 discloses yet another alternate embodiment for the present invention wherein a second set of cutter wheels 71, 81 are provided to permit the circle shear apparatus to cut rings in sheet metal blanks positioned between the two pairs of cutter wheels.

FIG。 8透露当前发明的另外供选择具体化，第二套切削刀转动71， 81提供允许圆盘剪用具削减在金属板空白的圆环被安置在二个对切削刀轮子之间。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,代写医学论文,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对冷冲压技术的分类、特点及发展标的目的作了简略概说；论述了冲压零件的形成原理、基本模具结构与运动过程及其设计原理；对典型的冲压件模具举行了设计：大直径三通管冲压复合模设计盖世了大直径三通管的加工困难的问题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、圆环弯曲件的模具设计、铰链卷圆成形工艺及模具设计、半自动送料切角装配设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,代写医学论文,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对于冷冲压技术的分类、特点及成长方向作了简略概说；论述了冲压零件的形成原理、基本模具结构与运动过程及其预设原理；对于典型的冲压件模具进行了预设：大直径三通管冲压复合模预设盖世了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模预设、适力压边式落料拉伸切边复合模预设、消音器后补碗落料、拉深、冲孔、翻边复合模预设、一模两件落料拉伸冲孔翻边复合模预设、圆环弯曲件的模具预设、铰链卷圆成形工艺及模具预设、半自动送料切角装置预设、滑板式送料拉深、冲孔、翻边模预设实现自动送料、长管多孔冲模预设、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

This article introduces the lining structure selection and design calculation of the world first double-decked highway shield method tunnel - Shanghai East Fuxing Road Tunnel.

介绍世界上第一条投入运营的盾构法双层公路隧道———上海市复兴东路越江隧道江中段圆隧道衬砌圆环的结构选型和设计计算。

By means of the study of three types of main-switch, it shows that the circuit inductance of the modified ring-small disk main-switch supported by parallel metal bars is feasible to achieve appropriate main current.

经过对三种主开关结构进行实验研究，结果表明：改进的并联金属棒支座圆环-小圆盘型主开关的导通电感比较合适，可产生较好的主脉冲电流。

Furthermore, under condition of larger and stable laser energy output, the modified main-switch still inherits the high-voltage resistance of ring-small disk main-switch supported by circular metal pipe, and keeps laser beam with narrow pulse width.

改进的主开关在获得稳定而较大输出能量的情况下仍然继承了金属圆筒支座圆环-小圆盘型主开关的高耐压性，同时保持了激光束较小的脉宽。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。