1.Named Pipe,as a simple,relatively safe communication method using the NPFS system interface, and the UNC identification, it can be used to deliver active images. This paper introduces the network communication system based on Named Pipes in a local area network.
Named Pipe是一种简单、相对安全的数据通信方式 ,采用 NPFS系统接口 ,使用 U NC标识 ,可以用来进行活动图像的传递 ,介绍了在局域网环境利用 Nam ed Pipe进行网络通信系统的设计与实现方法
2.The second tallest is the organ-pipe cactus which can reach up to 40 to 50 feet tall.
排在第二位的是风琴管(organ-pipe)仙人掌,约为40~50英尺。
3.The same and different views in the fields of scope,structure type,gasket material and mark etc,between our national standard GB4622.1~4622.3-93“spiral wound gasket”and ASME B16.20-1993“Metallic gasket for pipe flange-ring joint,spiral wound and jacketed”standard are recommended.
文中介绍了我国国家标准 GB4 6 2 2 .1~ 4 6 2 2 .3-93《缠绕式垫片》和美国机械工程师协会 ASMEB1 6 .2 0 -1 993《Metallic Gaskets for Pipe Flanges—Ring-Joint,Spiral-Wound,and Jacketed》标准在垫片适用范围、结构型式、垫片材料和标志等方面的相同点和不同点。
4.The standard of stainless steel in ASTM——tube and pipe
美国材料与试验协会(ASTM)的不锈钢标准——钢管(tube和pipe)(1)
5.Pipes are implemented in ipc/pipe.c.
管道在ipc/pipe.c中实现。
6.Series full-auto pipe expander with drawing device and program interface is used with extruding machine.It is also used solitarily,While expanding pipes,the machine adopts translation,The action is steady and corret,It does not damage pipe materical,The machine adoptes double-infrared heating oven type,Each oven is equipped with heating cire,The shaping method adopts expanding-end shaping,The size of pipe mouth is correct.On its panel,there is a transfer swith of expanding solvent type pipe socket(Straigh port)and expanding sealloop type pipe socket(Rport).The choice of expanding pipe type is very convenient,The technologocal adaptability is strong,Its main electric control elements are all imported.The syetem charecteristics are steady and reliable.
配有与主机配套的接料牵引装置和相应的程序接口,既能与挤管主机联线使用,又可以作单机使用;扩管时管材的移动均采用平移方式,动作平稳准确而且不易损伤管材;这种机型采用红外线加热方式且为双加热炉型,每个加热炉都配有中心加热炉芯;成型方式均采用扩管头定型方式,管口成型尺寸准确;该机型在控制面板上设有扩溶剂型承接口(直口)和扩弹性密封圈型承接口(R口)的转换开关,扩管方式选择十分方便,工艺适应性强;主要的电器控制元件均采用进口元件,系统性能稳定可靠。
7.The products are as follows: single/ twin-screw plastic extruder, the HDPE tube, the PP-R pipe, the perforated pipe, composite tube extrusion line, plastic extrusion line, pipe extrusion line, double pipe extrusion auxiliary machine, four pipe extrusion auxiliary units, granulate production line, cooling dry machine, screw feeder, crusher, mixer and hot &cold mixer, dehumidify dry unit, and all kinds of auxiliary units.
主要致力于:单/双螺杆挤出机,HDPE管、PP-R管、多孔管、复合管成套生产线,塑料挤出异型材、管材生产线,一模双管辅机,一模四管辅机,造粒生产线,冷却干燥机,系列上料机,破碎机,高速混合机及冷热混合机组,除温干燥机与各种辅机的生产与销售。
8.The paper introduces a new pipe material ─ double-wall bellow with high density polyethylene (HDPE). In comparison with traditional reinforced concrete round pipe it evaluates its economy and obtains the following main conclusion: when pipe diameter ≤800mm, if embedded depth < 2.5m, the laying unit price of concrete pipe in most situation (except pipe with Φ600) is lower than that of HDPE pipes.
介绍一种新颖的管材———高密度聚乙烯(HDPE)双壁波纹管,通过与传统钢筋混凝土圆管的比较,对其经济性做出评价,得到的主要结论为:管径≤800mm时,若埋深<2.5m,大多数情况下(Φ600例外)混凝土管的铺设单价要比HDPE管低;
9.Under the same conditions, the outflow changes of sleeved pipe and non-sleeved pipe were prominent, has found no matter under the condition of sleeved pipe or non-sleeved pipe, the index trend of outflow and pressure curve showed decreasing, and the variation range was between 0.4m and 1.0m. There was established the formula about outflow, which was approaching to the actual value according to verification.
同一压力水头带套与不带套滴灌管的出流量变化显著的结论,发现无论带套与否,流量和压力关系曲线中指数随孔径的变大呈下降趋势,变化范围在0.4-1.0之间,最后建立了流量公式,经验证较能接近实测值;
10.The weight of finished pipe with the core technology of Type Y connection within the range of DN1 200~DN3 000 is half of ball iron pipe, and unit length and weight is the same with that of glass pipe. The finished pipe with Type Y connection will show its competition with high performance, low price and easy adoption.
Y型接口为核心技术的成品钢管在DN1 2 0 0~DN30 0 0范围内 ,其重量是球铁管的一半 ,单位长度重量与玻璃钢管相当 ,它将显示出性能高、价格低、易采用的竞争力。