查询词典 pipe

In order to understand the operation safety and pipe service life span of rear superhearter, the essay established dynamic mathematic model of single piece of screen of rear superhearter, including the following sub-models: flue gas side model, steam side and metal pipe wall mathematic model, flow calculation model and wall temperature calculation model.

为了更好地了解后屏过热器运行的安全性和管子使用寿命，本文建立了后屏过热器中单独一片屏的动态数学模型，其中包括以下几个子模型：烟气侧模型、蒸汽侧和金属管壁的数学模型、流量计算模型和壁温计算模型。

13 Safety valve should also be installed to the steam side of the heater to avoid the excessive pressure caused by the pipe rupture. 10% of peak load water flow should be passed, or the discharge flow of one pipe and two ruptures should be passed. The maximum of the two should be selected and sufficient

5.1.13加热器汽侧也应设置安全阀，防止由于管子破裂而造成超压，其最小容量应能通过最大负荷给水流量的10%或一根管与两个断口排放的流量，两者取最大值并留有足够的安全裕量。

Produces each kind of specification to shift gears the flexible axle, changes speed the flexible axle, the flexible axle controller, the controller unit, the hydraulic pressure drill tubing, the petroleum pipe line, the high-pressure oil pipe, checks the cotton thread, shifts gears the line, in the flexible axle the core, the steel wire, in executes the blockade to use the steel wire, the steel cable to lock steam Morocco and the engineering machinery spare part and the fitting and so on core steel wire, according to customer concrete demand and request processing and production!

生产各种规格换挡软轴，变速软轴，软轴控制器，控制器总成，液压油管，输油管，高压油管，刹车线，换档线，软轴内芯，钢丝绳，施封锁用钢丝绳，钢缆锁内芯钢丝绳等汽摩和工程机械零部件和配件，按客户具体需求和要求加工和生产！

The thermal boundary condition of the cast iron cooling stave with surface alloyed steel pipe was used for numerical simulation of temperature field and commercial software ANSYS and the method of coupling heat-structure were used to calculate thermal deformation of steel pipe at high temperature,and analyze the influence of air gap and thermal deformation on the life of cooling stave.The optimal size of air gap and hot load to guarantee long life of cast iron cooling stave were obtained.

根据合金化管铸铁冷却壁热态试验数据确定了合金化管铸铁冷却壁温度场数值模拟的边界条件，利用ANSYS软件、采用热-结构耦合的方法计算了高温状态下合金化管铸铁冷却壁内钢质冷却水管的变形，分析了气隙层和水管热变形对合金化管铸铁冷却壁寿命的影响，得出保证合金化管铸铁冷却壁长寿的最佳气隙层厚度和相应的最佳使用热负荷。

The thermal boundary condition of the cast iron cooling stave with surface alloyed steel pipe was used for numerical simulation of temperature field and commercial software ANSYS and the method of coupling heat-structure were used to calculate thermal deformation of steel pipe at high temperature,and analyze the influence of air gap and thermal deformation on the life of cooling stave.

根据合金化管铸铁冷却壁热态试验数据确定了合金化管铸铁冷却壁温度场数值模拟的边界条件，利用ANSYS软件、采用热-结构耦合的方法计算了高温状态下合金化管铸铁冷却壁内钢质冷却水管的变形，分析了气隙层和水管热变形对合金化管铸铁冷却壁寿命的影响，得出保证合金化管铸铁冷却壁长寿的最佳气隙层厚度和相应的最佳使用热负荷。

The smallest can be 0.15mm copper, iron, stainless steel and other metal parts of the bulk materials processing, and often make specifications 0.25mm ~ 15mm in diameter between the pipe wall thickness of 0.08 ~ 1.2 between the pipe wall thickness at 0.02mm Tolerance, the concentric degrees, and the appearance of bright, smooth-walled hole, tolerance control at less than 0.01mm-0.02mm.

最小可以0.15mm的铜、铁、不锈钢等金属材料零件的批量加工，常做规格直径在0.25mm~15mm之间，管壁厚0.08~1.2之间，管壁厚公差在0.02mm内，同心度好，外表光亮，内孔壁光滑，公差控制在0.01mm-0.02mm以内。

Vertical pipe extrusion machine is a powder, slag, sand, cement raw material production for a long 1000mm, diameter 150-1000mm of cluster i, flat-mouth tender jack, flower tube wells and other non-reinforced cement pipe.

立式挤压制管机是以石粉、矿渣、沙子、水泥为原材料生产长1000mm，内径150-1000mm的子母口、平口、、承插口、井用花管等多种无筋水泥管。

We get the good result of this method in Beijing survey area. The result can clearly show the existence of the pipe lines and also exactly indicate the location, strike and depth of the pipe lines.

结合管线探测，对真三维高密度电法进行了探测试验，并取得了良好的勘探效果，为三维高密度电阻率法的进一步推广提供了宝贵的实践经验。

Secondly, the results of heat pipe experiments show that when the experimental sets of LED illuminator of LED was used in horizontal angles, resulting in the heat pipe which fill 2.52g water volume have the best thermal properties than others.

第二个研究之 LED 散热模组的实验结果显示，在水平使用时以2.52g水量为最佳，以本实验 27W的 LED 热源功率为例，热源区可维持在50℃左右的平衡温度，而当管内水量高於2.52g时皆有蒸气堵塞现象使热源区温度上升。

The results show that pipe will buckle in symmetry mode near the two ends of pipe under compression load. In the local buckled area, wrinkles will form; stress and strain will concentrate.

结果表明压缩载荷作用下管体发生轴对称模式的屈曲，屈曲部位起皱，并有应力、应变集中。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。