With the increase of the tip-clearance, the blockage area grows in the radial and axial directions with the total pressure ratio, efficiency and mass flow decreasing.

Materials and methods Begg tip-back arch wire was ligated to the gingival side of edgewise brackets and Class ⅱ elastics were used.

方法将Begg矫正技术中的有后倾弯的唇弓改良，放于方丝弓托槽的龈方，结扎丝将其悬吊于托槽上，再通过适当Ⅱ类牵引和下颌的颌内牵引，打开咬合。

The Three-dimensional Finite Element Stress Analysis of the Mandibular Second Molar Moving Mesially with the Molar Tip-back Bend in Different Angles

不同角度磨牙后倾曲近中移动下颌第二磨牙的有限元分析

The Clinical Study on Uprighting Posterior Teeth by Tip-back Mechanics

应用Tip-back装置直立后牙的临床研究

Objective: To explore more satisfactory results in correcting the aesthetically short nose combined with low and blunt nasal tip with autologous cartilage grafts. Methods: External rhinoplasty approach is preferred.

目的：探讨自体软骨在审美性短鼻合并鼻尖圆钝低平畸形整复中的应用方法和效果。

Objective To investigate the method of repairing defects of nasal tip with a reversal flow axial postauricular island flaps supplied by superficial temporal artery to enhance the effect of aesthetics therapy.

目的：探讨应用颞浅动脉供血的反流轴型耳后岛状皮瓣转移修复鼻尖缺损的手术方法，以提高鼻缺损畸形的美学修复效果。

Simulations of the single tip with coaxial focusing electrode are also carried out, and the ef-fects of various geometric and electric parameters on beam focusing are analyzed.

对带有同轴聚焦电极的单个SPINDT微尖也进行了模拟，并且分析了影响电子束聚焦的各种几何和电参数。

The strain field ahead of a stationary crack tip with plane stress deformation in ductile metal was measured with SEM, by micro grid method and digital image processing.

用显微网格数字图系处理方法，测量了韧性材料平面应力条件下互型单边裂纹尖端附近的应变场。

In this paper, with Mises yield criterion, the plastic zone distribution in front of crack tip with mixed mode(ⅰ ⅱ) loading is analyzed theoretically.

利用Mises屈服准则从理论上分析了Ⅰ－Ⅱ复合型裂纹尖端前缘的塑性区分布。

Objective To introduce the emergency treatment of distal segment defect of finger nail and tip with semi skin-nail flap of toes.

目的：介绍半趾甲瓣在指甲、指端缺损急诊修复中的临床运用。

Tool tips-When you place mouse pointer over an identifier, a tool tip with information about the identifier appears.

提示&将鼠标放在某个标识符上时就会出现关于该标识符的信息提示。

Tip With the increase of body weight, wearing high heels before walking foot pressure within the region there is a clear trend of increasing.

提示随着体重的升高，穿着高跟鞋行走时前脚掌区域内的压强有着明显增大的趋势。

At last, in the force of structure loads, the stress fields of the crack tip with a crack and without a crack are compared.

最后，在结构载荷作用下，对比有、无裂纹的存在的情况下裂尖附近的应力场。

Concerns BEM ( boundary element method) of electric current concentrating effect and temperature rising analysis at the crack tip with high density electric pulse.

给出金属板在高密度电流脉冲下裂纹尖端电流集肤效应和急剧发热升温解析的边界元法。

Objective: To provide anatomical basis for reconstructing soft-tissue defects of nasal tip with pedicled buccal flap.

目的：为带血管蒂面颊部皮瓣修复鼻尖部缺损提供解剖学基础。

Milk powder& Determination of titratable acidity dropping pipette straight tip with latex rubber nipple

GB/T5413.28-1997乳粉滴定酸度的测定直形管尖附乳胶头滴点管

Study on spinning acetate fiber for cigaret filter tip with "y" type spinneret of 500 holes

500孔Y形喷丝板干纺烟用二醋纤的技术研究

Dynamic response of elastic-plastic curved cantilever beam subjected to projectile impact at its tip with consideration of large deflection

端部受撞击作用弹塑性悬臂曲梁的大挠度动力响应

It is found that the sensor tip with a 90 ° conical tip has the maximum optical modulation depth.

理论和实验的结果表明，顶角处于90°左右的光纤尖具有最大的光调制深度。

Meantime, a relative index of the length of bare tip with temperature, precipitation and moisture was determined.

同时，确定了玉米秃尖与温度、降水、湿度匹配指标。

Repair of the soft-tissue defects of the finger tip with retrograde flap of finger side

逆行指侧方筋膜皮瓣修复指端软组织缺损