螺旋槽

The Coaxial helical-groove slow-wave structure, an all-metal slow-wave circuit, has advantages of good heat dissipation and great size.

同轴螺旋槽慢波系统具有全金属结构，有大尺寸、散热性能好的特点。

An experimental investigation is made on the condensation heat exchanger with spirally corrugated tubes in this paper.

为此，本文对螺旋槽管凝结换热器进行了试验研究，并将研究成果应

This work employs operator-splitting method / finite element method to study dynamic performance and the stability of liquid-lubricated herringbone grooved journal bearing with micro-polar lubricants. Load capacity, friction resistance, stiffness/damping coefficients and critical rotor mass were investigated.

本文采用算子分裂/有限元法计算微极性流体润滑剂的螺旋槽径向轴承承载力、粘性阻力、润滑油膜刚度系数和阻尼系数等特征量，研究轴承的动力特性和稳定性问题。

In order to ensconce the elongated SMA wire by dimension compensation in miniature SMA wire driving articulated arm, three assisting emplacement methods are adopted: both arm emplacement, screw container assisting emplacement, and distributed pulley assisting emplacement.

为了安置微小型SMA丝转动关节臂中通过驱动元件尺寸补偿增长了的SMA丝，采用了三种辅助安置方法：双臂安置、螺旋槽容器辅助安置和分布式滑轮辅助安置。

Bolt body has several spiral grooves on its outside surface which collect the dust and fouling from inside the receiver, and thus greatly improve reliability of the gun under field conditions.

螺栓机构已在其外部的表面，收集来自接收器内的尘埃和污垢数螺旋槽，从而大大提高野战条件下的枪的可靠性。

The principle of particle swarm optimization are presented and the algorithm is applied in optimization design unusual type spirally fluted tubes.

介绍了粒子群优化算法的原理，并将粒子群优化算法应用于异型螺旋槽管的优化设计，针对不同的设计目的，制定了不同的目标函数进行优化。

Detect drive way too much space is a fixed power input shaft and output shaft rotation shaking, in the case of the transmission structure of conventional design and manufacture of machine tools, the transmission output shaft angle space at more than ten degrees to the dozens of degrees Transmission gap caused by too large spiral screw groove surface then there is obvious marks, thus affecting the machining accuracy of the screw.

检测驱动方式太多空间是一个固定的动力输入轴与输出轴旋转摇晃在常规情况下传动结构设计和制造的机床，传动输出轴角空间超过度到10度的数十个输电差距过大造成的螺旋槽螺旋面则有明显的标志，从而影响了螺丝加工精度。

The main products for the machine tap, tap of the screw, nut Taps, Taps spiral groove, Lo pointed ladder Tap Tap, tap hand, squeezing Tap, tap sets Lo, L-tap, straight trough Tap, tap and the roller teeth Tap kind of increase, lengthening Taps, and to undertake Gezhongfeibiao thread and special-shaped tool.

主要产品为各机用丝锥、管螺纹丝锥、螺母丝锥、螺旋槽丝锥、螺尖丝锥梯形丝锥、手用丝锥、挤压丝锥、螺套丝锥、左旋丝锥、直槽丝锥、滚牙丝锥以及各种加大丝锥、加长丝锥，并承接各种非标及异型螺纹工具。

The main products are: thread cutting tools: the machine tap, pipe thread tap, nut tap, tap spiral groove, spiral pointed tap tap ladder, hand tap, tap extrusion, screw tap sets, L-tap, tap straight groove, roll teeth as well as increase the tap tap, tap lengthened and undertake kinds of non-standard and special-shaped screw instrument.

主要产品为：螺纹刀具：各机用丝锥、管螺纹丝锥、螺母丝锥、螺旋槽丝锥、螺尖丝锥梯形丝锥、手用丝锥、挤压丝锥、螺套丝锥、左旋丝锥、直槽丝锥、滚牙丝锥以及各种加大丝锥、加长丝锥，并承接各种非标及异型螺纹工具。

Integrated with machining reality ,plain milling tool is used for machining of straight groove, while bar milling tool for screw groove. Account for that, tool-path is calculated .

结合生产实际，加工工艺方案定为：采用盘铣刀加工喷管直槽，用棒铣刀加工螺旋槽，并以此进行刀位计算。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。