管

The welded pipe products is partitioned into five arrangements as per its characteristics and its six developing directions toward thin wall thickness,thick wall thickness,high accuracy,high grade,inside burr removal and anti-corrosion,etc.are analyzed.

我国中小直径焊管经过20世纪80~90年代的飞速发展，品种结构和应用领域已经有较大的改善，但是低压流体输送管、一般结构管比例较大，与焊管发达国家在锅炉、化工、油井、机械构件、高压流体输送用承压钢管和精密钢管领域不断扩大焊管的使用范围、提高高等级焊管使用数量方面存在一定的差距。

This article elaborated the construction principle of two pipe jacking methods——Sludge-liquid balance method and air-pressure balance method , introduced the main equipments used, discussed the construction technology and the treatment measures, then summarized and evaluated the construction effects as well as the merits and disadvantages.

本文结合工程实例，论述了顶管施工中泥水平衡顶管法和气压平衡顶管法两种顶管法的施工原理，对其主要设备及作用进行了简单介绍，对顶管施工中技术及问题处理措施进行了详细阐述，并对施工效果和两种顶管法施工中的优缺点进行了总结和评价。

One DHL water-fire tube boiler with angular tube structure has been introduced,which is a new type boiler improved from DZL water-fire tube boiler with upper or lower shell. It has characteristics of both DHL angular tube type water-tube hot water boiler and DZL water-fire tube hot water boiler.

介绍了一种采用角管结构的DHL型水火管热水锅炉结构特点，它是继DZL型上置锅壳的水火管锅炉和DZL型下置锅壳的水火管锅炉之后出现的一种新型水火管锅炉，它兼具DHL型角管结构水管热水锅炉和DZL型水火管热水锅炉的特点。

Series of products: 1, fully automatic production line of Duct flange molding machine, shears, press brake duct and other metal processing equipment. 2, using the entire computer-controlled production lines, specialized in the production mechanism Express rectangle duct flange, Germany duct flange, mechanisms spiral round, flat circular duct, all kinds of bend, the wind pipe fittings. 3, damper, exhaust valves, valve series; 4, muffler, static pressure box, muffler Venetian series; 5, aluminum, teak tuyere, such as stainless steel tuyere tuyere series; 6, Air Shower, Air Shower Channel, clean bench, and efficient delivery of clean air and other series; 7, vertical, horizontal air handling units series; 8, multi-functional modular air handling units series; 9, fan coil series; 10, ventilation, exhaust cabinet series, Fire cabinet centrifugal fan series.

系列产品：1、全自动风管生产线、法兰成型机、剪板机、折弯机等金属风管加工设备。2、采用全电脑控制的生产线，专业生产快速机制法兰矩型风管、德国法兰风管、机制螺旋圆形、扁圆形风管、各类弯头、风管配件。3、防火阀、排烟阀、阀门系列；4、消声器、静压箱、消声百叶系列；5、铝合金、柚木风口、不锈钢风口等风口系列；6、风淋室、风淋通道、洁净工作台、高效送风口等洁净系列；7、立式、卧式空气处理机组系列；8、多功能组合式空气处理机组系列；9、风机盘管系列；10、通风、排气柜系列、消防柜式离心风机系列。

The main products include 2715 PVC fibred-glass tubing, self-extinguishing silicone tube, Chatham acid ester glass tube, silicone rubber paint tube glass, PVC Casing Series(hardy tube, tube migration-resistant, non-toxic PE pipe, pipe stripes), plastic casing fibred outside silicone rubber, plastic outer casing fibred silicone rubber, polyester film insulating paper, fibred paper.

主要产品有2715聚氯乙烯玻璃纤维套管、硅树脂自熄管、内烯酸酯玻璃漆管、硅橡胶玻璃漆管、PVC套管系列：耐寒管，耐迁移管，无毒PE管，条纹管，硅橡胶内胶外纤套管、硅橡胶内纤外胶套管、聚酯薄膜绝缘纸、纤维纸。

The company since its inception has been engaged in the development of hydraulic parts and sales; main products have various types of hydraulic tubes and assembly of hard and soft, hydraulic components, Japan Construction Machinery Co., Ltd. chassis parts, instrumentation, etc.; distribution of the major brands have Germany Hose Sunway, Italy Manuli, Germany Aeroquip, the United States Sel, the United States MEGASPIRAL, Libao, etc.; Express connector (Italy: DNP brand), the management folder, resin tube (UK: EUROFLOW brand), high pressure ball valve, Teflon tube, withhold machine (Finland: FINN-POWER), a variety of industrial tubes, such as high-temperature steam pipes, cement pipes and so on.

公司自成立以来一直从事液压零件的研制和销售；主要产品有各种型号的液压软硬管及总成、液压零部件、日本株式会社工程机械底盘件、仪器仪表等；经销的胶管品牌主要有德国Sunway 、意大利Manuli 、德国Aeroquip、美国Sel 、美国MEGASPIRAL、Libao等；快速接头，管夹，树脂管（英国：EUROFLOW品牌），高压球阀，铁弗龙管，扣压机（芬兰：FINN-POWER），各种工业管，如高温蒸汽管，水泥浆管等。

The results indicated that the axial velocity distribution of the mixture was a parabola-like curve along the radius and the change of the velocity was larger in the region within 0%～25% of the pipe width (about 15 mm) from the pipe walls, but smaller in other positions. The vortex changed greatly in the region within 0%～16.7% of the pipe width (about 10 mm) from the pipe walls and then decreased gradually to zero at the pipe center.

结果表明，混合颗粒的轴向速度呈类似抛物线状分布，在靠近管壁约0%～25%管宽范围内，即在试验装置距管壁约15 mm范围内，轴向速度变化较大，其他位置处变化较小；涡量在靠近管壁约0%～16.7%管宽范围内，即在试验装置距管壁约10 mm范围之内变化明显，从距离管壁10 mm到竖直管中心涡量逐渐减小到接近为零。

First, by the allocation of irrigation water directly into the ditch outlet Xiaqi, achieve no water loss, greatly improve the utilization of water; are two irrigation systems, replace the pipe with water furrow, not square, and the right to re-use, reducing the irrigation investment; Three is the use of the gate with the outlet opening to adjust a constant and accurate control of flow into the trench plot, for different soil and different groove specifications Xiaqi can greatly improve irrigation uniformity; four gates are porous pipe irrigation system for the flow tubes, and the blind to cross the flow tube as compared to the wall can reduce the work under stress, and reduce the damage to the opportunity to prolong the service life of thin-walled tube; are five gates to facilitate the installation of irrigation systems, pipes, and, upon request, to fight孔安outlet assembly to ensure the accuracy of positioning with the outlet.

一是灌溉水经配水口直接进入沟畦，实现无输水损失，极大地提高了水的利用率；二是管灌溉系统代替配水垄沟，不占地，且右重复使用，降低了灌溉投资；三是利用配水口的闸板开度来调节准确恒定地控制进入沟畦的流量，适用于不同土质和规格不同的沟畦，可大大提高灌水均匀度；四是闸管灌溉系统为多孔出流管，与等过流量的盲管相比，可降低管壁承受的工作压力，并减少受损机会，从而延长薄壁管的使用寿命；五是闸管灌溉系统安装方便，并可根据要求打孔安装配水口，确保配水口定位的准确性。

It is showed that MG132 significantly reduced the germination rate and tube growth. Furthermore, MG132 treatment lead to vacuolization occurred both in tube cytoplasm and generative cell. While DMSO and non-proteasome inhibitor E-64 do not have similar effects. FTIR analysis revealed that MG132 treatment markedly reduced the contents of wall-bound proteins and pectin at the apex of tube.

结果表明：MG132显著抑制青扦花粉萌发和花粉管生长，并导致花粉管形态异常，主要表现为花粉管亚顶端出现液泡化，并且液泡随着培养时间的延长而扩大到整个花粉管，花粉管濒临死亡；而DMSO以及非蛋白酶体抑制剂E-64不产生类似结果；半薄切片结果表明，MG132处理后不仅花粉管细胞质发生液泡化，生殖细胞也发生液泡化；FTIR分析进一步表明，MG132处理后，花粉管顶端的细胞壁蛋白和果胶质含量大幅度下降。

Seamless steel pipe unit: The steel pipe straightening machine, the puncher, the company roll over the unit, the company tube rolling train, two roller cold tube rolling trains, the cold-drawing machine, three roller tube unit, five roller cold tube rolling trains, the cyclical tube rolling train, the automatic tube rolling train, the top pipe unit, the steel pipe extrusion unit, the tensity reduce processing process units and so on the diameter machine and so on each kind of steel pipe finishing equipment and so on...

无缝钢管机组：钢管矫直机、穿孔机、连轧机组、连轧管机组、两辊冷轧管机组、冷拔机、三辊管机组、五辊冷轧管机组、周期轧管机组、自动轧管机组、顶管机组、钢管挤压机组、张力减径机等加工工艺设备等各类钢管精整设备等。。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了