查询词典 root tip

A basic relational model for tip leakage mixing loss of unshrouded blades for compressible flow was derived from theoretical analysis of Denton. Relationship. It reflected the influential factors such as blade surface static pressure, chordwise distribution of tip clearance, discharge coefficient and total pressure loss coefficient in the tip region.

借鉴Denton不可压叶尖泄漏损失的理论分析，推导出可压缩流动中叶尖泄漏掺混损失基本关系式，其集中反映了尖区叶表压强、叶尖间隙、泄漏流流量系数及总损失系数影响。

A basic relational model for tip leakage mixing loss of unshrouded blades for compressible flow was derived from theoretical analysis of Denton. Relationship. It reflected the influential factors such as blade surface static pressure, chordwise distribution of tip clearance, discharge coefficient and total pressure loss coefficient in the tip region.

借鉴Denton不可压叶尖泄漏损失的理论分析，推导出可压缩流动中叶尖泄漏掺混损失基本关系式，其集，中反映了尖区叶表压强、叶尖间隙、泄漏流流量系数及总损失系数影响。

Methods According to the degree of the wide and bulbous tip, several procedures were adopted to beautify them.①Thinning of the alar cartilage;②Trimming of the skin of tip;③Mechanical polishing of the tip skin;④Insertion of a septocolumellar support;⑤Narrowing of the base of nose with the clinching suture;⑥Marginal resection of the alae.

根据鼻尖的圆钝程度，采用内外一起，综合步骤相结合的方法：即在塑造鼻尖内部软骨形态的同时，修整鼻尖部外覆的皮肤，并辅以机械磨削，人工支架，埋线塑形等手段，以纠正鼻尖的圆钝肥大。

Numerical simulations on tip clearance flow in Aachen 1-1/2 axial-flow turbine stages are performed. The formation and development of tip clearance flow and tip vortex and the influences on turbine performances are investigated.

以Aachen一级半轴流透平为研究对象，采用数值模拟手段对不同动叶顶部间隙情况下的间隙流进行了分析，研究了间隙流和间隙涡的形成、发展形式及其时透平性能的影响。

Under the ratios of various initial cracking relative length,height and volume of gas concrete beam,the whole curve of opening displacement s at several testing points about fracture toughness,fracture energy,and in the area of load,cracking-tip-opening-displacement,cracking tip opening displacement cracking-tip-area are researched systematically.

在本研究中对加气混凝土梁在不同初始裂纹相对长度、不同高度以及不同体积比例等情况下的断裂韧性、断裂能以及载荷—裂纹口张开位移—裂纹尖端张开位移—裂纹尖端前沿区若干测点张开位移全曲线进行了系统研究。

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。

Compared with soil destroyed pattern of vertical force and its controlled factor of bearing capacity,it is concluded that pile capacity and its tip resistence have some difference when soil with the same physical mecanic property is used as natural foundation and pile tip resistent layer.Whereas the middle weathering rod Stratum hasn't this property,that is to say it has the same bearing capacity and pile tip resistence.

文摘：通过竖向荷载下土体的破坏模式及其承载能力控制因素的比较，论述了物理力学性能相同的土层作为浅基础的天然地基与桩端持力层时，承载力值与桩端阻力值应存在一定的差异；而中风化程度的同一岩层作为天然地基与桩端持力层时，不具有这方面的差异性，承载力值与桩端阻力值应该相等。

The tip speed limit is for controlling the tip vortex cavitation energy, which is a function of tip speed to the sixth power.

尖端的车速限制是为了控制尖端涡穴蚀的能源，这是一个功能提示的速度向第六权力。

Because shockwaves might disturb regular airflow at fans with a high tip-speed (axial speed at the tip of a fan blade), fans are developed to keep to tip-speed as low as possible, not more than two or three times the local axial velocity.

因为冲击波可能会以高度的扇叶速扰乱来自风扇的常规气流，风扇被改进成保持扇叶速尽可能的低，至多2或3倍于开始的轴向速度。

Based on a detailed analysis of the AFM diamond tip asperity cutting mechanism, in addition to the three-sided pyramidal diamond tip's geometry shape, a theoretical model is put forward for the case of calculating the normal force, cutting force, material flow strength and the frictional factor along the tip-workpiece interface.

提出了一个基于原子力显微镜三棱边金字塔形金刚石针尖的几何形状及与材料之间的单点切削机理所建立的理论模型，用以估算施加于金刚石针尖的法向力和切向力以及材料的屈服强度。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。