角环

NMDA及其受体介导伤害性传入引起的大鼠脊髓后角环氧化酶-2表达的增加

NMDA and Its Receptor Mediated Up-regulation of COX-2 Expression in the Spinal Dorsal Horn during Nociceptive Inputs in Rats

目的：观察甲醛炎性痛及痛过敏过程中脊髓后角环氧化酶2（COX2）表达的变化及其时间特征。

Aim : To observe the changes of cyclooxygenase-2 ( COX-2 ) expression and especially the time course of the changes in dorsal horn of the spinal cord during formalin-induced inflammatory pain and hyperalgesia in rats .

电力变压器主绝缘结构中的角环

Discussion on Angle Rings in Main Insulation Configurations of Power Transformer

认为角环数目最好不超过3个，并尽可能采用成型角环。

It 's better to get no more than 3 angle rings and use forming angle rings .

其甲基可能嵌入了硅氧四面体的六角环空洞中，而羟基嵌入了铝氧八面体内。

It was deduced that methyls were possibly inserted into hexagonal rings of silica tetrahedrons and hydroxyls into octahedrons .

介绍了管子与管板的角环焊缝所采用的全自动钨极氩弧焊机的结构、组成和工作原理。

The principle , configuration and structure of fully automatic welding for tube and tube sheet joints are introduced .

薄壁筒体与法兰盘角环缝自动焊胀胎设计中几个主要参数的计算方法

Calculating Methods of several Main Parameters in Designing Girth Automatic Welding Expand tubes for Thin-wall Cases and Ring Flanges

线圈端部布置角环除分隔油隙外，还提高了沿面放电强度。

Discharge field intensity of surface is rising in addition to oil gap split up while angle coil installed tap of winding .

通过对电力变压器绕组端部绝缘结构尺寸与最大场强的计算，确定了角环的形状。

This paper determined the shape of the angle rings through which calculated the ending dimension of winding-insulation configurations and the maximum electric field intensity .

与传统电力变压器的主绝缘尺寸比较，新型主绝缘结构的主空道距离、绕组到铁轭的距离和角环的结构和布置均有显著的改善。

Compared with traditional main insulation structure , the main insulation distance , the distance from windings end to iron yoke and the arrangement and shape of angle rings of improved main insulation structure are improved significantly .

针对传统的电机步进角开环控制的不足，提出了一种开闭环复合控制方案，提高了控制精度，确保了PCR仪荧光采集精度。

Compared with the open loop control typically applied in stepper motor control , the combined open-closed loop control scheme is put forward and functions with significant improvement of angle control accuracy .

对降低鞍座边角处环向峰值应力的探讨

Discussion of Decreasing Circumferential Peak Stress at Joint of Shell and Saddle

最后，本文在理论上分析角加速度环对隔离度的贡献；

At last , this paper analyzes the function of angular acceleration loop .

该传感器由限角挡环、积分球体和光电探测器组成。

The recorder consists of ring with diaphragms , integral sphere and photoelectric receptor .

论文首先讲述了我国目前大部分工厂活塞环检测仪器的现状及传统的梯形角与环高的测量方法，分析了它们的特点和局限性。

The paper begins with the introduction of traditional methods to measure the trapezoid angle and the ring height , analyzes their characters and limits .

通过对含有非线性摩擦力矩的平台稳定系统仿真模型的研究，从理论上验证角加速度环具有克服摩擦力矩的能力；

Through the study with non-linearity friction on simulation model of the stabilized system , in theory the analysis of the angular acceleration loop 's contribution is given .

本文在直柱位形中，用强耦合近似方法分析了重力场随极向角及环向角的变化对剪切磁场中漂移波稳定性的影响。

The effect of the " gravitational force " varying with the poloidal and toroidal angles on drift wave instabilities is analyzed in a cylindrical magnetic configuration using the strong coupling approximation .

棱边精车过的活塞环，修过角的活塞环角器骨器象牙器保护与修复

Cornered piston ring Preservation and Restoration of Horn , Bone and Ivory Objects

本文介绍通过鞍座上垫板的伸出和采用柔性鞍座，即能有效地降低鞍座边角处的环向峰值应力。

Through extending the wear plate at the saddle and using the flexible saddle , the circumferential peak stress at the joint of the shell and the saddle can be decreased efficiently .

使用BP算法研究桨叶安装角对直升机涡环状态的影响

Investigation of Blade-pitch Effect on Helicopter Vortex-ring State Using BP Method

针对某静不稳定飞机的非线性动力学模型，采用分叉与突变理论（BACTM）计算了常规控制面变化的飞机本体平衡曲线，揭示了其固有的在大迎角下的开环运动特性。

Bifurcation Analysis and Catastrophe Theory Method ( BACTM ) was applied to a nonlinear dynamics model of an inherently static unsteady aircraft to calculate the equilibrium curve while regular control surfaces deflected .

结论甲状腺手术识别喉返神经的五种解剖标志中，以甲状软骨下角尖（或环甲关节）和甲状腺悬韧带较可靠，其次为甲状腺下极、甲状腺下动脉和气管食管沟。

Conclusion The inferior horn of thyroid cartilage and the suspensory ligament of thyroid gland are most reliable as the anatomical landmarks for recognizing the recurrent laryngeal nerve .

增大后导叶出口安放角，可以消除环量和偏流，提高泵装置效率1.6~2.4个百分点。

Flow circulation and deviation could be eliminated by enlarging the back guide blade outlet incidence , and pump assembly efficiency could be increased by 1.6 ~ 2.4 percentage points .

当然，这座建筑有着得天独厚的地理位置：它高踞一个呷角，三面环水，背景是著名的悉尼港大桥。

Of course , its location is an enormous help , sitting as it does on a promontory with water on three sides and the famous Sydney Harbour Bridge as a picture-postcard backdrop .

论文采用结构化方法设计了横摆角速度硬件在环仿真系统。该系统包含了汽车动力学模型及接口模块、控制器和执行器模块、监测和通讯模块等三大部分。

This dissertation designs this system in a structural way , which divided the over whole system into automotive dynamics and simulator interface module , control and actuator module , monitor and communication module .

前后瓣膜开放幅度较正常小。结论三维超声心动图测量二尖瓣装置功能结构参数CTaa、α角、β角和瓣环面积可能对二尖瓣装置异常的评估有一定的意义。

Conclusions Three dimensional measurement of CTaa , area ,α angle and β angle could have definite value for evaluating abnormal mitral apparatus .

在阐述分电器闭合角控制原理的基础上，介绍闭合角开环控制方法、恒流时间反馈控制方法及其性能比较。

Based on the description of the control principle of the distributor dwell angle , the open cycle control method and the constant-current duration feedback control method of the dwell angle as well as the comparative characteristics are introduced .

在分析了横摆角速度在汽车操纵稳定性控制中的重要性后，本文提出了构建横摆角速度硬件在环仿真系统的作用及方法，并在系统级层面设计了该仿真系统的架构。

Afterwards , describing the importance of yaw velocity in stableness control , it shows the significance to construct yaw velocity and construct it on system level .