查询词典 tubular

Direction cosine analysis based on winmeil;2. According to the directioncosine formula in hexahedron tubular hea ter,the direction cosine of energy bind in inclined and symmetry tubular heater is stuided.

分析了用蒙特卡罗法计算加热炉辐射传热时能束的发射方向和行程长度，根据六面体加热炉中能束的方向余弦公式，对斜顶对称加热炉中发射能束的方向余弦进行了研究，得到了其修正公式，对斜顶壁面相交坐标进行了修正。

Pair of EDH structure catalyst flow field carries on the value simulation simulation, discovered the EDH enlargement mode expansion tubular construction may improve the catalyst obviously the speed of flow distribution, and can reduce the flow resistance, is one kind of effective expansion tubular construction form.

4对EDH结构的催化器的流场进行数值模拟仿真，发现EDH增强型扩张管结构可以较为明显地改善催化器的流速分布，并能降低流动阻力，是一种有效的扩张管结构形式。

In the first week of renal obstruction, the immunohistochemical labeling of tubular VEGF was intensified, accompanied by deformation and dilation of adjacent Flk-1-positive PTC lumina, mild renal tubular cell apoptosis and minimal tubulointerstitial fibrosis.

结果： 1。肾脏梗阻第一周，肾小管上皮细胞胞浆里的VEGF染色在局部有增强，Flk-1阳性PTC数量变化不显著，肾小管上皮细胞凋亡和肾间质纤维化很少见。

The first and second tubular portions comprise materials of different stiffness, with the tubular portions being connected to one another in end-to-end relation.

第一和第二部分包括管状不同刚度材料，管状部分被连接在终端到终端的相互关系。

A method to measure the outer radial deformation curve of tubular specimen under internal pressure is proposed,the yield strength in the hoop direction of the tubular specimen could be derived.

提出了物理概念清楚、易于理解与掌握、适用于各种材料的换热器液压胀接残余接触压力的图算分析原理，建立了测量管状试样在内压作用下外表面的径向变形曲线和环向屈服强度的方法。

In some slices of hyoliths the tubular pores that were filled with phosphate granules in the process of the early phosphatization can be recognized. These tubular pores are densely distributed. They are approximately perpendicular to shell surface and almost reach to surface and bottom of the conch.

在一些软舌螺纵向和横向的切片中，均发现早期磷酸岩化作用中已被磷质颗粒充填的孔沟形态，这些孔沟分布相当密集，基本垂直壳面，几乎通达壳壁的顶底。

Wangjun has a certain degree of achievement in the film capacitor industry.He was authorized by the National Technical Committee of Standardization for Lamps and Related Equipment, as the first person to draw up two national standards----one is GB18489-2001"Capacitors for use in tubular fluorescent and other discharge lamp circuits-General and safety requirements" and another one is "Capacitors for use in tubular fluorescent and other discharge lamp circuits-Performance requirements"We introduce the most advanced production technology from Europe and America to improve our production standard.

因在薄膜电容器行业有一定的成就，我公司总经理王军工程师受全国照明电器标准化技术委员会委托，作为第一起草人起草了GB18489—2001《管形荧光灯和其他放电灯线路用电容器—一般要求和安全要求》及GB/T18504—2001《管形荧光灯和其他放电灯线路用电容器—性能要求》两项国家标准。

The results of MTT method In vitro culture renal tubular cells showed that the proliferous activity changed from sightly to dramatically intensed in response to fluoride concentration from 0.1mg/L to 15mg/L, but renal tubular cells proliferation obviously decreased in the 25mg F-/L group.

利用生物化学方法检测氧化应激指标，结果表明在钙营养充分的条件下，投氟100mg/L 16周大鼠肾组织GPX活性不是下降而是明显提高，脂质过氧化物变化不明显；低钙饲养条件下投氟100mg/L 16周大鼠抗氧化酶SOD活性亦有明显升高，而GPX却呈降低趋势。

Due to the increasing importance of tubular engineering advanced polymer composite coatings were needed to improve the friction and wear properties of tubular surface.

标准螺纹石油套管在连接过程中必须使用螺纹密封脂作为润滑和密封材料，在某些苛刻的环境条件下应用受到限制，为此研制了一种自润滑固体密封涂层，对其进行了有关基础研究工作。

The annular sealing member and inlet are provided with means to secure said sealing member to said inlet to prevent axial movement therebetween, said second sealing means engaging the outer curved surface of the tubular member whereby sealing engagement may be effected between the sealing member and the tubular member over a plurality of relative axial positions therebetween.

所述的第二密封装置与管形件的外曲面接合，借此实现密封件和管形件之间在多个相对轴向位置上的密封连接。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。