At Airbnb, weve learned a lot over the past few years while building rich web experiences。 We dove into the single-page app world in 2011 with our mobile web site, and have since launched Wish Lists and our newly-redesigned search page, am...
Brief analysis network security technology In the past two centuries, industrial technology represents a countrys military and economic strength. Today, the rapid development of information technology in the twenty-first century have enhance...
ASP.NET is the successor of ASP. With the introduction of the .NET framework, the functionality of ASP has been dramatically changed to take full advantage of .NET. ASP,just like other server-side scripting languages such as PHP, is interpre...
The machinability of a material usually defined in terms of four factors: 1、 Surface finish and integrity of the machined part; 2、 Tool life obtained; 3、 Force and power requirements; 4、 Chip control. 33102 Thus, good machinability g...
Abstract In stamping, operating cost are dominated by raw material costs, which can typically reach 75% of total costs in a stamping facility. In this paper, a new algorithm is described that determines stamping strip layouts for pairs of pa...
The Basics of Physical Computing with Electric Motors In the first several pages of this chapter, the concept of controlling a DC motor with a transducer (or sensor), microcontroller, and transistor relay driver was illustrated with simulate...
AFive kinds of wire drawing machine description Features:Drive: Host straight line wire drawing machine, the first unit heads power by the AC frequency motor through high-frequency joint narrow V-belts, spread by the hardened reducer to caps...
捣固炼焦的要求及影响因素 (1) 水分控制 捣固炼焦的煤料水分控制在9%~11%较为合理,水分少煤饼不易捣实,装炉时易造成损坏。但水分过高会使煤饼强度明显降低,对捣固、炭化均不利...
While plastics have revolutionized industrial design due to their versatile processability, their relatively low strength has hampered their use in structural components. On the other hand, while metals are the basis for strong structural co...
Abstract: Many disadvantages exist in the traditional die design method which belongs to serial pattern. It is well known that heat treatment is highly important to the dies. A new idea of concurrent design for heat treatment process of die...