查询词典 ejection pipe

The invention discloses a measuring method for firing conclusion and gas flow rate in the process of liquid, gas fuel firing, which comprises the following steps: positing three points on fuel transmission pipe, air pipe and gas pipe, setting regular measuring device or sampling device, measuring the flue's element and flow rate of point 1, air element of point 2, and gas element of point 3, inputting the data of three points into computing unit, computing air flow rate Mair, gas flow rate Mgas and firing conclusionηB by the element of air, flue, and gas and flue flow rate Mburn.

本发明公开了一种液体、气体燃料燃烧过程中燃烧完全度和燃气流量的确定方法，步骤为：在燃料输送管道、空气管道和烟气管道上分别设置三测点，并安装常规的测量装置或取样装置；分别测量测点1的燃料成分和流量；测点2的空气成分；测点3的燃气成分；将三测点的测量数据输入计算单元；根据空气、燃料和燃气的成分以及燃料流量M burn ，计算空气流量M air 、燃气流量M gas 和燃烧完全度η B 。

This approach is base on the following idea:under not effect to the deformation of rectangular pipe,to change right angle to obtuse angle which is variant as some regular,make plain-barreled roll pass receive vertical roll shape pipe blank,and then let pipe blank entering into vertical roll pass.With continuous deformation, the difference between diagonal line of rhombus pass will be reduced to zero,finally changed into a square.

该方法的基本思路是：在不影响方矩形管变形的前提下，通过将孔型顶角由直角改为按一定规律变化的钝角，让呈卧菱形状的平辊孔型接纳呈立菱形状的管坯，接着让卧菱形状的管坯进入立菱形状的立辊孔型，随着变形的继续，逐渐缩小菱形孔型对角线之差直至为零，成为正方形。

Analysis whether this pressure sensors fluxsystem be applicable smaller then 1 cm, and whether the pipe geometricalappearance and flow status influence the flux detection system .and relate velocityof flow、compressive stress、pipe configuration、laminar flow and overfall、differenceof the pipe radius、and so on Use the related principle of the hydromechanics , deduce the method of presswith 2 points and 3 points to measure the flux detection, analyzed the possibility ofmake use of MEMS compressive stress transducer to survey flux detection.possibility and related influence factors from the theories.

对实现压差式测量中多点压力传感器设置间距提出了小于1cm的设想，并用有限元分析模型模拟分析了在压力传感器间距小于1cm条件下流量测量的性能，取得了有意义的实验数据，证明了实现这一设想的可行性。

Students can learn how to draw single pipe characterization curve and parallel pipe characterization curve through the experiment, and analyze the effect of different valves opening on pipe characterization curve.

通过实验，学生能够掌握单支管路阻力特性曲线的绘制和并联管路阻力特性曲线的绘制方法；能够分析不同阀门开度对管路阻力特性曲线的影响。

In order to settle the problem of adjusting the surface level of liquid in U type pipe, the author improves the liquid piezometer. The scoop type pipe is used instead of the U type pipe, and is fixed on a board with scale. And the detection head is fixed on the rail which can slide up and down.

为了解决液体压强计中U型管液面难以调平的问题，对该装置进行了改进，将U型管改为勺型管，并固定在有刻度的展示板上，同时将探头固定在可上下滑动的横杆上，使其可以沿着有刻度的金属杆移动。

This paper relates to describe thedesign of thermal pipe line, the calculation of thermal stress and its inference to the pipe line engineering,flexible pipe system and selection of the form of the compensations, to reach the optimized design andengineering prepotency finally.

本文介绍了在热力管道的设计方面应引起注意的几个重点问题，说明热应力的计算及其对管道工程的影响，管系柔性以及对补偿形式的选择，以达到设计优化、工程"优生"。

This new type heat pipe was applied in a puddling process. The waste flue gas from the hot blast stove was used as the hot source to heat the cold mixture of compressed air and coal powder. The observed practical performance of the heat pipe showed a good agreement with the design expectation, which verified feasibility of using the separated type heat pipe for the heat transfer of the solid powder.

这种新型的分离式热管换热器应用于一个固相粉末换热系统——利用高炉热风炉的废烟气加热高炉喷煤用的空气和煤粉的混合物，实际运行工况与设计结果具有良好的一致性，可见利用套管结构的分离式热管作为以固相粉末为换热介质时的传热元件是完全可行的。

The reed pipe wind musical instrument is usually made with some materials such as gourd, bamboo pipe and reed pipe but the reed pipes unearthed from Lijiashan Hill and Dabona were made of bronze.

葫芦笙本来是用葫芦、竹管等材料做成的，而李家山、大波那出土的芦笙却是用青铜做的。

The factory is a professional enterprise producing rubber hose, rubber tube varieties have; water pipes, sand suction tube, suction tube cement, heat pipe, oil pipe, acid-resistant pipes, pipe sand blasting, edible tubes, pneumatic tubes, plain hose, automotive cooling pipes, automotive rubber water hose, cars with anti-aging heat pipes, and other special-shaped rubber hose.

本厂是一家专业生产橡胶管的企业，橡胶管品种有；吸水管、吸砂管、吸水泥管、耐热管、耐油管、耐酸管、喷砂管、食用管、气压管、纯胶管、汽车散热管、汽车用输水橡胶软管、汽车用耐老化散热管、异型橡胶管等。

Our factory specialized production: Each kind of automobile, barometric pressure, hydraulic pressure hose unit steel pipe unit, each kind of project mechanical hydraulic pressure hose, steel pipe unit, semitrailer, nylon coil unit, each kind of harvester hydraulic pipe and attachment body, each kind of large-scale, medium and small-scale tractor pipeline.

我们厂专业生产：各种汽车、气压、液压软管总成钢管总成，各种工程机械液压软管、钢管总成、半挂车、尼龙螺形管总成，各种收割机液压管及接头体，各种大、中、小型拖拉机管路。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。