It comprises semiconductors in four layers that create two different structures: NPNP and PNPN. It also has three terminals and three junctions. The different stages of SCR In the off state of a Silicon-controlled rectifier, the anode receives positive voltages, the gate gets zero voltages, and...
The outer P and N layers where the two electrodes are placed will be heavily doped and the middle P and N layers will be lightly doped, the gate terminal will be connected to the P-layer in the middle. The SCRs are constructed with three different types, planar type, Mesa type, and P...
Many of these utilities have installed the SCR equipment while retaining the existing first generation low NOx burners. Riley Power Inc. has conducted a series of economic studies to determine how much reagent (ammonia or urea) consumption can be reduced and the amount of catalyst layers that ...
2.3.1. Metal Oxides as Carriers V2O5–WO3/TiO2 is a classical commercial catalyst that has been widely investigated for NO SCR. It has been reported that only the TiO2 anatase phase has no activity for NO SCR with NH3 [31]. However, it is well known that TiO2 anatase improves the ...
Hi, Kimberly, that option has been retired, as most of the bugs have been ironed out. Now the work on the underlying compositing continues, and the fallback mechanism to the older method can be found if you enable "Deactivate Native Canvas" in Preferences/Technology Pr...
So, may I ask you if anyone has a better way to do the job -I know many printers use pdf-x and so on, but my boss wants outlined text for everything, so…-? Or, does anyone know how to address the backmost object(s) of the document? I thought to set their opacity to ...
Our sales network covers more than 20 countries and has more than 1000 customers in China. We have established good business relations with renowned carmakers, shipbuilding and machinery manufacturers. Our products have been favored by customers at home and abroad fo...
Every screen has pixels-per-inch (PPI) characteristic. This number tells you how many pixels fit into one inch and thus how large the pixels appear in the real world. Physical Device render at 1× downsampling / 1.15 show on device show on device show on device (pixels) (pixels) (pixel...