In pressure vessels, C and D seam which are located at the joint of flange, tube-shape object, jointed tube, and head of pressure vessels separately are the most complex seams.
压力容器设备中法兰与筒体、法兰与接管连接处的C类焊缝和封头端部、筒体上马鞍形的D类焊缝是最为不规则的且施焊工艺最为复杂的焊缝。
The average head weighs 7 to 8 pounds—a lot of pressure to be putting on your face every night.
头部平均重量是7-8磅——趴着的话对脸部可是不小的压力。
Chen Xiyou, the head of A Long's former primary school, said that he faces a lot of pressure to allow the boy to attend classes.
陈西游 阿龙以前学校的校长说道 如果允许阿龙回学校读书他将面临很大的压力.
The purpose of a dam is twofold: to house the turbines that create the electricity and to provide a sufficient head of water pressure to drive them efficiently.
水坝的作用是两方面的：放置涡轮机来发电以及提供充足的水压来有效地驱动涡轮机。
The Fed's program should 'relieve a fair amount of the pressure on the commercial paper market, ' says Ajay Rajadhyaksha, head of fixed-income research at Barclays Capital.
巴克莱资本(Barclays Capital)固定收益研究部门负责人Ajay Rajadhyaksha说，Fed的这项计划应能“对商业票据市场缓解一定的压力”。
Greg Watson, head of OCR, one of three main exam boards, said the system of league tables and Ofsted inspections piled pressure on teachers to get results at all costs.
GregWatson是三大考试委员会之一——ocr的会长，他说，考试名次表的体系和教育标准署调查对老师们施加了压力，使老师们不惜任何代价去取得好结果。
To house the turbines that create the electricity and to provide a sufficient head of water pressure to drive them efficiently.
一方面用于放置发电的涡轮，一方面提供足够的落差以有效的驱动涡轮。
Now the pressure head of the pump is not able to make precise calculations in theory, the general use of experimental methods.
目前对泵的压头尚不能从理论上作出精确的计算，一般用实验方法测定。
The intramedullary pressure in trochanter major, femoral neck, center of head and load area of femoral head were measured respectively.
分股骨大粗隆、股骨颈、股骨头中心及股骨头负重区进行骨髓腔内压力测定。
This may be of concern in patients with intracranial lesions or after head injury in which increases in intracranial pressure may be hazardous.
在颅内病变或头部损伤后的患者中，这种颅内压的增高可能是比较危险的。
The active systems consist of several pumping systems of varying discharge pressure and flow rates, e. g., high head injection system, low head injection system.
能动系统由不同注入压力和流量的泵系统组成，如高压安注系统，低压安注系统。
Thus, by controlling the pressure wave form, the desired trajectory of the grinding head can be obtained.
因而控制压力的波形即可得到所需要的研磨头的运动轨迹。
Analyse choice method of collision point of cylinder and shovel head and confirm initial pressure and volume of nitrogen chamber.
分析了活塞杆与铲头碰撞点的选择方法和氮气室的初始压力和初始容积的确定方法。
The country became very clear and the feeling of pressure in my head seemed to loosen.
乡村景色历历在目，我头脑里压迫的感觉似乎松驰下来了。
Reciprocating pump flow and pressure head has nothing to do with the pump cylinder size, and the reciprocating frequency of the piston stroke.
往复泵的流量与压头无关，与泵缸尺寸、活塞冲程及往复次数有关。
Effects of mannitol bolus administration on intracranial pressure, cerebral extracellular metabolites, and tissue oxygenation in severely head-injured patients.
快速注射甘露醇对重型颅脑外伤患者颅内压、脑组织细胞外代谢产物和组织氧合作用的影响。
In the fabrication of pressure vessels for petrochemical equipments, the key to quality control of stamping of head is the calculation of head blank expanding size and the stamping of the head.
在石油化工设备压力容器制造中，对于整体冲压成形封头的质量控制关键是封头展开下料毛坯直径展开计算和冲压成形环节。
In the fabrication of petrochemical plant (pressure vessel), the keys to quality control of bumped head are the diameter calculation of head blanking and its forming.
在石油化工设备压力容器制造中，对于整体冲压成形封头的质量控制关键是封头展开下料毛坯直径展开计算和冲压成形环节。
The equations are solved by finite difference method and the mean and variance of pressure head are determined from its random expression.
通过摄动方法得到一系列关于水头展开式的偏微分方程，用有限差分法进行求解，获得了压力水头的随机描述，并计算其均值和方差。
The observation results of the bridge head experimental site of Jialichen Bridge are analyzed such as vacuum degree, ground water table, flowrate, pore water pressure and surface settlement.
通过对浃里陈大桥桥头试验段的真空度、地下水位、流量、孔隙水压力、地表沉降等现场监测结果的分析；
The simulation and analysis of the pressure distribution in head runner of double plex tread extruder were made with ANSYS FEA software.
采用ANSYS有限元分析软件对胎面双复合挤出机头流道内部的压力场进行模拟和分析。
Practice proved that adding chemicals not only decreases the viscosity of crude but also the back pressure of well head decreased.
实践证明，掺污水加药既可以降低原油粘度，又可以有效地降低井口回压。
Analysis result of high productivity gas Wells in Luojiazhai shows temperature effect of well bore as the key factor affecting well head pressure.
罗家寨高产气井测试分析结果认为井筒的温度效应是影响井口压力的关键因素。
Several basic characteristics on pressure head distribution at the surface of spur dike are described.
论述了坝体周围动水压力分布的若干基本材性。
Unless otherwise agreed in advance, internal static head shall be added to the design pressure to determine the thickness of any specific part of the vessel.
除非提前另外同意，需加设内置静压受感器以确定容器特殊部件的厚度。
For high well head pressure, the operation of conventional adding sand fracture treatment tech can not fulfilled.
由于施工井口压力高，常规加砂压裂工艺无法实施作业。
A clothoid curve is used with its fine feature for the shape of transition section between spherical head and cylindrical shell of pressure vessel.
利用回旋曲线的优良特性，将其做为压力容器部分半球形封头与圆柱筒体之间的过渡曲线，实现了在连接边缘上无附加边缘应力的光滑连接。
A clothoid curve is used with its fine feature for the shape of transition section between spherical head and cylindrical shell of pressure vessel.
利用回旋曲线的优良特性，将其做为压力容器部分半球形封头与圆柱筒体之间的过渡曲线，实现了在连接边缘上无附加边缘应力的光滑连接。
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