An instrument for reaming a root canal, in particular in the apical zone housing at its proximal part a handle for manual use or on the head of a dentist's contra-angle handpiece, the distal part of said blade being a pointed tip of known type.
本发明涉及一种牙根管钻孔器械，特别是在顶端区域、在近端接纳一个手柄，使得可以用手操作或者在牙医对角机头上，而所述刀片的远端是一个已知尖端。
Theoretical results show that lunate-tail, with high-aspect-ratio, spanwise tapering tip and moderate sweepback angle, of many fast-swimming ocean animals, may gain the nearly best propulsive characteristics.
理论分析表明，高速海洋动物所具有的大展弦比、尖叶梢、中等后掠的新月形尾能获得接近于最佳的推进性能。
The aerodynamic characteristics of the cuted tip rhombus wing and double-delta wing of middling sweepback angle and aspect ratio about sixty type are investigated by a numerical method based on Eular equations.
采用Euler数值计算方法，对60多种中等后掠角及展弦比的切尖菱形机翼、双三角机翼纵向气动力特性进行了计算、分析和比较，从中筛选出16种切尖菱形机翼、14种双三角机翼进行了全机高速风洞实验研究，给出了机翼的展弦比、前缘后掠角、根梢比及几何扭转变化对全机升力、阻力及俯仰力矩的影响曲线和数据分析，在此基础上提出了用于定量估算两类机翼纵向气动力特性的关系式及修正因子。
The secondary variables include the angle of the electrode to the work, the angle of the work itself, the thickness of the flux layer, and, most important, the distance between the current pickup tip and the arc also called electrode stickout.
次要变量包括电极相对于工作台的角度、工作台角度、焊剂层的厚度以及导电嘴和电弧的间距。其中电极干伸长是最重要的变量。
Neck shaft angle was negatively correlated with offset; the femoral head diameter had a strong correlation with femoral neck diameter, femoral head height, distance between femoral head tip to great trochanter, and distance between apex of femur anterior arch to less trochanter section.
颈干角与偏心距之间呈现很强的负相关，股骨头直径与股骨颈直径、股骨头高度、股骨头顶点至大转子间的距离、股骨前弓最高点至小转子上缘截面距离有较强的相关性
The relationships between power consumption of fluid-loaded scraped-surface agitator and operating conditions in the vessel, such as viscosity of working fluid, Re, material of the blade, tip angle of the blade, thickness of the blade, width of blade, scraping angle and height were investigated.
研究了浮动式刮壁桨在槽式釜中流体的粘度、刮壁材料、刮板端角、刮板厚度以及搅拌雷诺数、刮板宽度、刮壁角度、刮壁高度对抗拌功率损耗的影响。
The blade twists uniformly from this root angle to a variable tip angle.
刀片曲折均匀从这个根的角度给一个变数提示的角度。
It is proposed that the key to improve the performance of rotary vane compressors relies upon designing cylinder wall profile with good dynamic performance and perfect sealing, and also upon reasonable clearance, good structure of vane slot back-pressure cavity, optimal inclination angle and tip profile of the vane.
本文认为，提高旋叶式压缩机性能的关键在于设计动力性能及密封性良好的气缸内壁型线，严格控制最小径向间隙，设计合理的背压腔结构以及采用最优的滑片倾斜角和滑片顶部形状。
The influence of prefabricated crack angle on crack tip initiation plastic zone and crack initiation temperature was discussed.
讨论了预制裂纹角对裂尖起裂塑性区和起裂温度的影响。
The cartilages of the tip tend to be weak and have a more round angle to the m.
叶端的软骨往往是软弱的，有一个更圆的角度。
While using the straight tip tweezers, the operator`s right wrist has a larger angle of radial deviation.
使用弹性强的镊子，需要较大施力因此速度较慢且肌力负荷较高。
The protrusion size of nozzle tip into cylinder, injection advance angle and the relation position between the spray axis and the hole axis of the installing injector on the cylinder head.
喷射参数：对于相同形状的燃烧室，采用不同的喷射参数，如喷嘴的凸出高度，喷油提前角，以及喷雾油束轴线与缸头安装喷油器的孔轴线的夹角，从这几方面进行模拟仿真计算。
The required minimum horizontal dimension of a pool for Group I cetaceans shall be 7.32 meters (24.0 feet) or two times the average adult length of the longest species of Group I cetacean housed therein (as measured in a parallel or horizontal line, from the tip of its upper jaw, or from the most anterior portion of the head in bulbous headed animals, to the notch in the tail fluke 8), whichever is greater; except that such MHD measurement may be reduced from the greater number by up to 20 percent if the amount of the reduction is added to the MHD at the 90-degree angle and if the minimum volume and surface area requirements are met based on an MHD of 7.32 meters (24.0 feet) or two times the average adult length of the longest species of Group I cetacean housed therein, whichever is greater.
1组别1的鲸豚饲育池之最小水平长度需求应为7.32公尺(24.0脚)或者计算组别1最长体型类的鲸豚平均成鲸之长度的两倍数据(以水平线方式测量，从它的上颚尖，或者从圆型额头之动物的额头最前端的部分一直量到尾巴分岔口)，其最大数值；这样的MHD 测量方式可能会被最大值减损约20%的量，如果损耗值以90 度角增加至MHD而且如果最小量和需求之表面面积符合MHD标准 7.32公尺(24.0英尺)或者组别1最长体型类的鲸豚平均成鲸之长度的两倍数据，其最大的值。
Careful indirect re-duction of the fracture fragments without further damage to their blood supply. Correct positioning of the LPHP on the lateral side of the humerus, approximately5mm below the tip of the greater tuberosity. Temporary fixation of the plate with Kirschner wires. Fixed-angle fixation of the plate to the bone using locking screws. Additional stabi-lization of the tuberosities to the plate with suture loops. Results Follow-up period were11.5months after surgery on average.
从2003年至2005年，对58例肱骨近端骨折的患者采用有成角稳定的肱骨近端锁定钢板治疗，其中二部分骨折38例，三部分骨折14例，四部分骨折6例，经三角肌胸大肌间入路，钝性分开三角肌，间接复位并尽量减少对骨折血运的破坏，将锁定钢板置于肱骨的侧方，大结节下方5mm处，克氏针临时固定，锁定螺钉固定钢板，将移位的大小结节固定于钢板上。
The obtained solutions show that the normalized stress components at an arbitrary point near to the crack tip are determined by the angle of the point. Moreover, the stress components are independent of the distance from the point to the origin of the coordinate.
所得解表明，裂尖附近任意一点处的各规格化应力分量均仅由这一点的角度决定，而与该点到坐标原点的距离无关。
A very large 10 clearance angle reduces the strength of the tool tip, and hence normally an angle of the order of 5-6°is used.
过大的后角就减小了刀尖的强度，因此，后角通常为 5～6°。
The conclusion is drawn from the simulations that the secondary electrons will go out from the sample surface more easily with the decrease of the half cone angle of tip and the increase of secondary electron energy, tip-sample separation and the distance of the emission site away from the point directly under the tip.
模拟的结果发现针尖半锥角越小、次级电子能量越高、针尖样品间距越大、次级电子出射位置离针尖正下方越远则越有利于次级电子的逸出，此外通过栅网与一个平行于样品表面的地电极的共同作用，会对次级电子产生聚焦作用。
The calculating model and method for crack tip opening angle were introduced.
介绍了一种近年来新发展的输气管线断裂控制参量———裂纹尖端张开角的计算模型及方法。
Rhinoplasty can reduce or increase the size of your nose, change the shape of the tip or the bridge, narrow the span of the nostrils, or change the angle between your nose and your upper lip.
隆鼻可以增加或减少你的鼻子大小，或者改变形状冰山桥缩小跨度的鼻孔，或改变夹角你和你的鼻子上唇。
The initiation angle of wing crack, the evolution of stress field at the joint tip and the path of crack extension...
据所测得的位移场和应力场，研究了裂纹尖端应力场的演变及裂纹扩展的路径，分析了试体的变形和破坏特征，测定了翼裂纹初裂角，探讨了试体的破坏机理。