查询词典 pipe up

The transfer matrix method is used to carry out the vibration characteristic analysis of the fluid-filled piping system. The transfer matrix of the axial, transversal and torsion vibration of the fluid-filled straight pipe element is presented. And the transfer matrix of the elbow is derived according to the discrete model of the inextensible theory of the curve pipe. The effect of the flexural factor on the elbow's transfer matrix is studied.

基于充液直管的梁模型，考虑液体与管道之间的泊松耦合，详细推导了充液直管单元的轴向、横向及扭转振动传递矩阵；采用弯管不延伸理论的离散模型，将变管离散为一组首尾相连，并成一定角度的短直管单元，通过建立弯管处力平衡方程与连续性方程，建立了弯管平面内振动的传递矩阵，并研究了弯曲因子对传递矩阵的影响。

Type YZF duck-billed valve, also be called "rubber flexible check-valve", it has function similar to tide gate, flapper gate but its working principle and structure is different, its mounting pattern is generally classed to pipe hoop form and flange form( flange form is generally used in case that latus rectum is larger than DN800, otherwise pipe hoop form is used).

YZF 型鸭嘴阀，又称&橡胶柔性止回阀&，与潮门，拍门功用相似，但工作原理和结构不同，其安装形式一般分为管箍式和法兰式（法兰式一般大于通径 DN800，管箍式一般小于通径 DN800），本体材质为橡胶，可广泛用于排水管出口，防止水流倒灌，造成事故。

In view of the unique and complicated completion method for gas drilling, and high cost and low reliability of DDV and leakless inflatable screen pipe, the stuffed screen pipe with temporary plugging agent was developed autonomously.

针对气体钻井完井方式单一、完井程序复杂、采用套管阀或非透式可膨胀筛管完井技术成本高、可靠性差等问题，自主研发了利用暂堵剂密封筛管的实体筛管完井技术。

Using the special-purpose cutting knife, cut pipes vertically, the cutter handwheel rotates 30 angles, the cutting knife rotates 1 circle along the round outside the pipe, does not exert oneself too quicklily while cutting to the aluminium layer, so as not to influence the aluminum pipe, deform it, the notch should have no burr levelly and smoothly

使用专用割刀，垂直切割管材，切割刀手轮旋转30角度，割刀沿管材外圆旋转1圈，割到铝层时不要用力过猛，以免影响铝管，使之变形，切口应平滑无毛刺

Objective Review the case of Arterial embolectomy in our hospital since 1996. Discusses the opportunity of operation and evaluation of therapeutic effect of embolectomy by using Fogarty pipe. Methods Emergency operation, We often use Fogarty pipe to take out embolus through femoral artery with anticoagulant and thrombolysis therapy during the operation. After the operation we continue anticoagulant and therapy 7～10 days and neurotrophy and tissue protecting treatment at the same time.

目的 通过复习我院自1996年以来的动脉取栓术病例，探讨Fogarty导管取栓术的手术时机及疗效判定方法急诊手术，采用Fogarty导管经股动脉取栓，术中配合抗凝溶栓治疗，术后继续抗凝溶栓7～10天，同时配合组织保护剂、神经营养药物等。

The other was observative group of 98 cases,which aceordring to the graph method,calculate the length of the pipe. Then using SPSS 10.00 soft,analysed the data. Results The distance compared the end of the stomach pipe and the point of the middle of the stomach body,the observative group was（- 1.12 ± 1.36） cm,the was 1.31 -5. 6cm. The length in observative group was longer than thatin contrast group , and the variability was minlmum.

国内还有应用胃镜直视测量不同身高患者的门齿至胃粘液池的长度来判定成人置人胃管的长度，但不能代替鼻孔至胃底的长度，为了准确的置人胃管深度，以达到最佳的吸引位置，我们通过由开腹手术医生确认胃管进入胃体中段的最佳长度，再测量胃管长度的方法，对2O0例开腹手术患者胃管长度的比较分析得出，根据英国Scalzo 所提出的图表法鼻胃管插入长度=6.7+[0.26 身高] 』。

In the meantime, Ingersoll and plass Kelvin line source in accordance with the concept of the underground pipe line heat source heat exchanger theory, but at that time because of low energy prices, high system costs, has not been widely applied. 70 era, the oil crisis put people's attention to the energy-saving, cost-effective use of energy, so that the development of ground-source heat pump into the climax stage, when the underground pipe from an early plastic pipes replaced by the amount of possession.

在此期间，Ingersoll和Plass根据Kelvin线源概念提出了地下埋管换热器的线热源理论，但当时由于能源价格低，系统造价高，没有得到广泛应用。70年代，石油危机把人们的注意力集中到节能、高效益使用能源，使地源热泵的发展进入了高潮阶段，此时地下埋管已由早期的金额管改为塑料管。

For the damaged analysis of the pipe by using the mode, the strain of the pipe at different locations can be presented as the mode function of the displacement according to the character of the one dimensional continuity and the cross section, whose varied quotiety can be used to identify the damage.

用振动模态对压力管道进行损伤分析，可以根据压力管道的一维连续性质和横截面积性质，把应变表示为位移振动模态的函数，采用变化率的方法进行损伤识别。

The heat pipe technology is one of the most efficiency method to solve the key technique for hard problems in order to gain high efficiency of resource utilization and good economy benefit in the application of renewably energy,In this paper,characteristics of the heat pipe technique is introduced,and its application and exploration in the solar energy,subterranean heat energy,living material energy are reviewed.

笔者结合热管技术特点，综述了其在太阳能、地热能、生物能三大能源利用领域中的国内外进展。1热管技术的技术特点[1](1)高的导热性。热管内部主要靠工作液体的汽液相变传热，热阻很小，因此具有极高的传热效率。(2)优良的等温性。

Special engineering plastics: GE; Basf; Polyplastics; DuPont; DSM; Japan Teijin; 2, agents have the German brand Ensinger, Gehr, Quadrant, as well as Taiwan HENGXIANG long: 3, agent SERO, AGRU high-performance polypropylene, reinforced polypropylene, high density polyethylene, polyvinylidene fluoride flat-walled pipes, pipe fittings, Pipe and metallurgical industry process PPH acid trough, chemical corrosion of equipment.

代理SERO、AGRU高性能聚丙烯、增强聚丙烯、高密度聚乙烯、聚偏二氟乙烯平壁管道、管件，缠绕管及治金行业工艺处理PPH酸槽、化工耐蚀设备。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了