轴

After serious corrosion for main axis of naval vessel in sea water, the corrosion region of the main axis was restored by using adhesively bonding technology and domestic high strength metallic healant.

舰艇大轴在海水中严重腐蚀后，采用粘接技术，选用国产高强度金属修补剂，对大轴局部腐蚀部位进行修理，对提高大轴使用寿命，防止大轴再腐蚀起到有效作用。

An upright piano includes a fall-board (12) hinged to a upper sill (10f) and connected through a pair of flexible coupling (13) to side arms (10b), and each of the flexible couplings has a rotary damper (13b) embedded in the side arm and an Oldham's coupling (13a/ 13c/ 13q) connected between the fall-board and the rotary damper so that the Oldham's couplings take up misalignment between the rotational axis (AX1) of the fall-board and the rotational axes (AX2) of the rotary dampers.

一种立式钢琴包括铰接在上部横梁（10f）上、并利用一对挠性联轴节联接在所说侧臂板（10b）上的一个落式盖板（12），每个挠性联轴节具有嵌埋在侧臂板中的一个旋转阻尼器（13b）和联接在落式盖板与旋转阻尼器之间的一个奥德海姆联轴节（13a／13c／13q），从而奥德海姆联轴节可以消除落式盖板的旋转轴（AX1）与旋转阻尼器的旋转轴（AX2）之间的对准误差。

Refraction regularity of extraordinary ray in uniaxial crystal with arbitrarily oriented optical axis;2. In the case of optical axis of uniaxial crystal being parallel with the incident plane, the angle of refraction of extraordinary ray are calculated by using Fermat's principle.

在单轴晶体的光轴与入射面平行的情形下用费马原理计算非寻常光光线的折射角，然后就怎样定义非寻常光作些讨论，最后在单轴晶体的光轴任意取向的普遍情形下给出计算非寻常光光线折射方向的公式。

Based on the prior art, the optical engine according to the invention has the improvements that, three optical axis steering components are respectively introduced into red, green and blue light illumination systems, and an optical axis lengthening structure is introduced into the green light illumination system, so that optical axes of the red, green and blue light illumination systems, each of which is from an LED resource to the optical axis steering component, are counterclockwise rotated for 90 degrees, parallel with each other, parallel with an optical axis of a projection lens, arranged in a same plane and positioned under the projection lens, luminous faces of three LED luminous chips of the red, green and blue light illumination systems are in a same plane, and the three LED luminous chips can be mounted on a same heat-radiating plate, therefore, the heat-radiating system has a simplified structure, and the optical engine has reduced size.

在背景技术所述的光学引擎的基础上作以下改进，在红、绿、蓝光照明系统中引入三个光轴转向器件和在绿光照明系统中引入光路加长结构，旨使：红、绿、蓝光照明系统各自的从LED光源至光轴转向器件部分的光轴朝逆时针方向转动90°、互相平行、与投影镜头的光轴平行、居同一平面和位于投影镜头的下方，红、绿、蓝光照明系统的三个LED发光芯片的发光面居同一平面，三个LED发光芯片可安装在同一块散热平板上，散热系统的结构简化，所述的光学引擎的尺寸减小。

The principle and method of measuring shafting bending strain using strain gauge is presented in this paper, followed by experiment made on marine shafting bench. Results show that bending strain in shafting is mainly sinusoid with rotating frequency, except under higher resonance speed.

介绍了采用应变计测量轴系动态弯曲应变的原理与方法，并在船舶轴系试验台上进行了实验测量，结果表明：除了在较高的共振转速下，轴段上的弯曲应变以轴频简谐量为主。

Cable reel motor torque constant tension which has the characteristics When the load increases in the motor output shaft speed will automatically come down, volume Rao assured when cable tension unchanged. Rao nature of this excellent performance closely integrated with the Volume; Cage used motor hysteresis coupling increases in size, functionality, easy installation, the constant tension similar characteristics, we can under the conditions required output torque. They can pull the cable external circumstances, hysteresis coupling protect cables; using torque motor controller to increase frequency hysteresis couplings Surge part because of the cable reel SCR converter using a new technology operation, smoothing adjustments to the motor terminal voltage, thereby ensuring that the output torque of the motor unchanged. so that the cable can smooth the road with the truck

其中力矩电机电缆卷筒具有恒张力的特点，当负载增加时电机的输出轴转速能自动随之降低，保证电缆卷饶时张力不变，这个优越的性能与卷饶性紧密结合；采用笼型电机加磁滞式联轴器具有体积小，功能全，安装维护方便，近似恒张力等特点，既可以根据工况需要输出力矩，又可以在电缆受外力拉住的情况下，通过磁滞式联轴器保护电缆；而采用力矩控制器加变频电机加磁滞式联轴节的电缆卷筒因其调压部分采用可控硅变流新技术，可以平滑地对电机的端电压进行调节，从而保证了力矩随负载的变化而改变，使电缆能平稳的跟大车的行进。

The apparatus for assembling a door and a main body in a microwave oven includes a hinge plate mounted in a main body of a microwave oven, a hinge shaft mounted in a cut-open portion of a choke cover fixed to a door, for being rotatably fixed to the hinge plate, and a detachment prevention portion elastically deformed to allow the hinge plate to be fixed to the hinge shaft and restored to the original state if the hinge plate is completed to be fixed to the hinge shaft to prevent the hinge plate from being detached from the hinge shaft.

包括一个安装在微波炉主体上的铰链板，一个安装在阻波盖的切开部分的铰链轴，其阻波盖固定在门上，该铰链轴可旋转地固定在铰链板上，和一个可拆防护件，它可进行弹性变形以允许将铰链板固定在铰链轴上并且在铰链板完全被固定在铰链轴上后，恢复到原始状态，以防止铰链板从铰链轴中脱开。

The printed UWB antenna is comprised of a planar monopole radiator and the ground plane which are connected to a coaxial cable to launch RF signals. This kind of ground and antenna system is essentially an unbalanced design, where electric currents are distributed on both radiator and ground plane, and then leakage to the outer conductor of the feeding cable. The impedance matching and radiation pattern will be influenced in the low band, which are our focus. Finally, some techniques will be proposed to reduce the cable effect on the antenna performance.

进行超宽频天线量测时，吾人会利用同轴缆线连接到网路分析仪，这时的同轴缆线不只是扮演一个传输讯号的工具而已，由於单极天线的不平衡结构，对低频而言，接地回流电流会泄漏到同轴接地的导体外部，造成同轴缆线也是一个辐射体，影响到天线低频时的阻抗匹配与辐射特性，因此本论文将探讨同轴缆线对於天线一些参数的影响，并研究提出解决的办法。

A thrust washer is also provided on the shaft adjacent the thrust collar and prevents lubricant leakage along the shaft between the interface of the shaft and the thrust collar.

在电动机轴上还设置有一与所述止推轴环相邻的止推垫圈(76)，该止推垫圈防止润滑剂在电动机轴与止推轴环的交界面之间沿电动机轴发生泄漏。

Nonlinear partial differential dynamic equations of bending vibration of a tilting stepped drive shaft with two supports were built under non-inertia movement coordinate system by theorem of the motion of mass center and Heaviside function. According to the condition of equal displacement in an adjoining plane of the shaft, an equivalent shaft and its equation were obtained. A motion equation of the equivalent shaft was obtained by method of Galerkin. An approximate steady-state solution of the main resonance was obtained by method of multiple scales. The influence factors, motion stability, amplitude jump of main resonance of a stepped drive shaft and so on were analyzed.

用质心运动定理、Heaviside函数建立了非惯性系下倾料两端支承阶梯传动轴的非线性弯曲振动偏微分动力学方程，并根据相邻轴段的衔接面处位移相等的条件，得到阶梯轴的当量轴及其动力学方程；用Galerkin法得到当量轴的弯曲运动方程，用多尺度法求得稳态下当量轴的主共振的一次近似定常解，分析了影响阶梯传动轴主共振的因素、运动稳定性、振幅突变性等。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。