查询词典 pipe in

But it is at the stage of theoretic research in China The expandable sand screen technology is used for sand prevention in the downhole In fact, it is a series and intermesh axes slotting and the ar rangement of the slotting make the pipe string easy to ex pandable.

它是一种适用于井下防砂的膨胀筛管技术，膨胀防砂筛管实质上是具有一系列串联的、互相交错的轴向割缝的管子，割缝的布置使管柱更易于膨胀。

Two kinds of fireextinguishing facilities,including wet pipe system in the winding corridor and preact system in the basement,are installed in order to meet the needs of various use functions and different fire areas of the Library of Shenyang Architecture and Civil Engineering University.

为了满足沈阳建筑工程学院新校区图书馆的不同使用功能和建筑专业划分防火分区的需要，设置了两种自动喷水灭火系统。

39Mt/a continuous catalytic reforming unit during the 2006~2007 period,such as the clogging in the tremie pipe of the catalyst collector,the difficulty in lifting regenerated catalyst and catalyst runoff in the regenerator and the reactor.

39Mt/a 连续重整装置2006～2007年出现的催化剂收集器下料管堵塞、再生催化剂提升困难、再生器和反应器催化剂跑剂等一系列问题，分析了产生这些异常情况的原因以及采取的对策。

Their brother, who is older than they are, stands up in the swing; he twines his arms round the cords to hold himself fast, for in one hand he has a little cup, and in the other a clay-pipe.

她们的哥哥站在秋千上，用手臂挽着绳子来稳住自己，因为他一只手托着一个小碟子，另一只手拿着一根泥烟嘴。

It is determined as a result of heating facilities, regular and high-temperature heating. It operated hot water pipes so that in the 15 ℃---- 90 ℃ from time to time between the operation, resulting in accelerated aging boiler and pipe rust and scale in the United States on heating and heating from time to time out after a period of time. The purpose is to accelerate the pipeline of the scale and rust solid precipitation knot a few years later so easy to plug.

由于供热设施所决定，定时和高温供热，使热水管在15℃----90℃之间不定时运行，产生热胀冷缩加速老化，锅炉和管道中的铁锈和水垢在美日定时供热和取暖期过后停用时间，加速管道的水垢与铁锈的沉淀结固，几年后，使管理易产生堵塞。

The gas solid interaction was studied, the solid concentration and particle size distribution contours downstream of the nozzle were obtained. The particle roping mechanism in a coal conveying pipe with large diameter was also studied with the fiber probe. The on-line coal concentration measuring facility is needed for NO〓 reduction. In this work, a set of on-line coal concentration measuring facility was developed and installed in the coal conveying pipes of a 660MW capacity utility boiler, which can give on-line accurate coal concentration information for the operator.

论文首次采用基于光学波动法的激光光纤探针，对高浓度的低NO〓燃烧器出口的气固两相流动的详细结构进行了试验，研究了配300 MW煤粉燃烧锅炉的燃烧器出口高浓度气固相射流中颗粒浓度、粒度随射流发展的演变规律，分析了利用水平浓淡燃烧器和齿形燃烧器实现对低NO〓燃烧有利的气固结构，并验证了基于DES方法的气固两相数值模拟的计算结果。

And the output of the sensor is less dependent on the flow regime. 7. The helical phase concentration sensor designed has been used in the coal puffing system of the 3# blast furnace in Bao Gang to measure in-situ the coal concentration of the main pipe. Combined with the capacitance velocity sensor, the instantaneous mass flowrate of the pneumatic conveying coal is obtained.

在实验室条件下对螺旋形状表面板电容式相浓度传感器的理论优化结构进行了实验验证，对边保护极板提高检测场中心区域灵敏度的作用也进行了实验验证，静态实验结果与理论计算结果相符，传感器检测场的均匀性误差为4.18%，输出线性度好，对流型变化不敏感。

This article summarizes the successful experiences in technology innovation of refinery equipment and reports improvement of construction method in innovation and its effect. The innovationincludes improvement of thermal insulation structure for coke tower, application of fiber sprayingtechnology for lining of pipe heater, improvement of construction in lining of afterheater for heavyduty oil catalysis, adding of acid resistance porcelain plate lining to neutralizing reactor, innovation on central drainage ...

本文归纳炼油设备技术改造的成功经验，报道炼油厂在技术改造中施工方法的改进情况和效果，其中包括：焦碳塔保温结构的改进、纤维喷涂技术在管式加热炉衬里施工中的应用、重油催化余热锅炉衬里施工方法的改进、中和反应器增加耐酸瓷板衬里、浮顶油罐中央排水管改造、锅炉省煤器入口联箱封闭和锅炉水封罐安装放空管以消除运行隐患的改造措施等。

From analyzing the drip irrigation emitter types and choosing in experiment, the main conclusions are as follows: The best type of subsurface drip irrigation emitter is drip pipe. Under lower water press the stabilization discharge of orifice emitter in soil is three fifth of that in air, which can meet the request of subsurface drip irrigation.

通过对现有滴灌灌水器类型的分析及试验筛选，结果表明，内镶式滴灌管最适宜应用于地下滴灌，在低压运行时，孔口式滴头在土壤中稳定出流量为空气中的 3/ 5 ，基本可以满足地下滴灌的要求；在较高供水压力时，所选取的几种滴头基本上都可以用于地下滴灌。

At the same time, I presided over the drafting of a national plant hollow plastic molding machine technical standards JB/T8539-1997, and three customers involved in the drafting of a "packaging of dangerous goods containers packed with plastic barrels," the national standard GB18191-2000, in the development of plastic hollow-taking In the forefront of the domestic counterparts. 2002, I developed the plastic factory production line with drip irrigation, plastic-coated steel pipe extrusion unit, wood-plastic molding equipment, and other new products, once again shows the excellence of our plant products research and development capabilities.

同时，我厂主持起草了国家塑料中空成型机技术标准JB/T8539-1997，并与三家用户参与起草了《包装容器危险品包装用塑料桶》国家标准GB18191-2000，在塑料中空机开发方面走在了国内同行的前列。2002年，我厂开发的塑料滴灌带生产线、钢管包覆塑料挤出机组、木塑成型设备等新产品，又一次显示了我厂卓越的产品研发能力。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。