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A bi-periodic accelerator structure with coupling cavity of arrow-shaped cross-section is described in this paper.

本文对一种使用箭型耦合腔的双周期加速结构进行了研究。

Each section consists of two ball-shaped ball of the composition of the ball inside the candles lit, the wick up and never extinguished.

每节由两个绣球状的圆球构成，球内的蜡烛点燃后，灯芯向上永不熄灭。

"Collection" series, barrel-shaped section of the table to say it seems very simple, but from an aesthetic point of view, it is necessary to make a symmetrical and harmonious watchcase bucket is indeed very difficult, even if only both sides of the ratio of bias the thousandths of millimeters, also can not tell where people feel it is wrong to feel uncomfortable.

"典藏"系列，酒桶形的表款说起来好像很简单，可是从美学的角度来讲，要做出对称而和谐的桶形表壳，确实是很难的，两边的比例就算只偏差了千分之一毫米，也会让人有种说不出哪里不对却就是不舒服的感觉。

They are made up of arm section and handle section. Pipes of T-shaped form are important parts that used on pipeline diffluence. FRP pipelines that produced by filament winding molding process can take full advantage of the FRP's various merits and improve the production efficiency.

三通管件是用于管道分流分输的重要部件，通过纤维缠绕成型工艺生产的FRP（纤维增强塑料，也叫玻璃钢）管道能充分发挥其优点，且机械化生产质量稳定，效率高。

And 0.4～0.6 respectively for the induction coil with round crosssection and rectangular cross-section; The magnetic flux density of coil made with round pipe was nonuniform, especially near the inner wall of coil turns that caused a fluctuation of electromagnetic pressure on the surface of liquid metal and had a bad effect for forming a sample with uniform cross-section and smooth surface; The system of screen and restraint magnetic field not only had an efficient effect on restraining the electromagnetic stirring and stablizing meniscus, also caused the conecial periphery of melt to be vertical; The position of top and S/L interface of melt had a direct effect on the meniscus shape. The meniscus profile varied from cone-shaped through column to cucurbituceous shape with the increase of top height or decrease of S/L interface.

对圆形截面、矩形截面感应圈来说D/H分别取0.7～1.1，0.4～0.6较为理想；对多匝感应圈来说，在匝间处存在漏磁，易引起熔体表面起伏不平，这种现象在用圆铜管绕制的感应圈中较为明显；屏蔽—抑流系统的加入可以消除电磁搅拌，使熔体稳定性增强，同时可使形态呈锥形的熔体侧面变得垂直成为理想形态；熔体上液面、固/液界面的选位直接影响成型形态，上液面升高，熔体形态经历锥形→柱形→葫芦形的转化，固/液界面下降则经历锥形→葫芦形的转变。

Of a tight set of professional production and marketing packages, retirement dumping sets, crushing machine dedicated hub, Park nuts, washers and the only basis for withdrawal of Zhang Tao and manually slurry valve, manually Serous valve, pneumatic valve size, rolling, the rectangle, the first track bolts, T-bolts, knife at the end of bolts, Anchor Bolt, bolt-section,-key, plastic screws, Xiao class, grass-cutting Feidao pinched stainless steel screws and a fan-shaped, needle-shaped nozzle, high strength bolts and nuts, stainless steel bolts and nuts, copper bolts and nuts, motorcycle-wide standard of vehicles, vehicle standard parts, household electrical appliances, electrical equipment standard parts, furniture hardware , Dang Quan, rivets, and various non-standard fasteners GB-pieces, Chong parts, stamping parts, car parts, and so on.

苏州金良机电有限公司系一家专业生产销售紧定套，退卸套、破碎机专用衬套、园螺母、止退垫圈及基础件账套及手动浆料闸阀、手动浆液阀、气动浆液阀、滚动轴承座、长方头道轨螺栓、 T型螺栓、底刀螺栓、地脚螺栓、活节螺栓、平键、塑料螺丝，肖类，切草机飞刀压紧螺钉及不锈钢扇形、针形喷咀，高强度螺栓及螺母、不锈钢螺栓及螺母、铜螺栓及螺母、摩托车全车标准件、汽车标准件、家电、电气设备标准件、家俱五金、挡圈、铆钉、各种GB型紧固件及非标准件、冲制件、冲压件、车制件等。

Three types of cuticular thickening at the polar region of the guard cells are observed: slight cuticular thickening; rod-shaped culicular thickening and rarely T-shaped thickening.With data obtained from the former research and personal observation, the cladistic methods were employed for the phylogenetic analysis of data and trees were rooted byout-group comparison using, the related genus Kadsura. as result, a new system of the genusSchisamdra Michaux was reconstructed, and Schisandra Michaux was subdivided into 2 subgenus, 3 section, 2 series 10 species in this dissertation.

整理有关五味子属植物研究的资料，补充搜集近期发表的资料和本人研究所得数据，以种为基本单元，选择近缘的南五味子属作为外类群，采用PAUP4.0b4a软件对本研究得出的性状数据作分支分析，重建五味子属的系统发育，修订和补充五味子属分类系统，在五味子属下设2亚属、3组、2系、10种。

The intermediate frequency elbow piece formation technology basic technological process is: First welds a lateral section is the polygon many leng link shell or both sides seal many leng fan-shaped shells, after the interior flushes the full pressure medium, the serve intrinsic pressure, under the intrinsic pressure function the lateral section by the polygon gradually changes a full circle, ends in a circular link shell.

中频弯管成型技术基本工艺过程是：首先焊接一个横截面为多边形的多棱环壳或两端封闭的多棱扇形壳，内部冲满压力介质后，施以内压，在内压作用下横截面由多边形逐渐变成圆，最终成为一个圆形环壳。

F-10A's fuselage and inlet portion of the framework of integration of the former is a superposition of two independent 8-shaped, two O-shaped framework of contacts between the strength of the weak part of the lower part is difficult to spread the load to bear the entire machine the structure of part of the body section, this is a fuselage inlet carrier aircraft are not suitable for the structure of the key.

歼-10A的机身和进气道部分在融合前是两个独立框架叠加的8字形，两个O形框架之间的接触部分是强度上的弱点，下部承受的载荷很难分散到整个机身截面的结构部分，这是导致腹下进气道不适合作为舰载机结构的问题的关键。

The main drive system uses the main axle motor (FANUC, the 25/20HP), and coordinated with the German ZF the double section type gearbox, it can do transmissions directly by tooth-shaped belt, which is steady and more efficiency (surpasses 95%). The double section type gearbox expanded the ranges of the

主传动采用FANUC 25/20HP主轴马达，并配合德国ZF双段式齿轮箱直接通过齿形皮带传动，传动平稳，而且效率高（超过95%）。

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。