Natural materials Directly "burning" images on wood were some of the first uses of engraving lasers. The laser power required here is often less than 10 watts depending on the laser being used as most are different. Hardwoods like walnut, ...
Tags: Materials, Laser engraving
It was assessed by SunSirs that in the tracked 100 spot commodities,22 commodities increased in prices, 39 fell and 39 remained unchanged on 16/04/2013.The largest rises were Hydrochloric acid (1.42%),Sulfuric acid (1.34%),Nitric acid ...
Tags: Spot Commodities, Price Chart
It was assessed by SunSirs that in the tracked 100 spot commodities,15 commodities increased in prices, 23 fell and 62 remained unchanged on 12/04/2013.The largest rises were FULLDRAWNYARN (4.16%),Ethylene glycol (3.18%),PREORIENTEDYARN ...
Tags: Spot Commodities, Price Chart
It was assessed by SunSirs that in the tracked 100 spot commodities,24 commodities increased in prices, 31 fell and 45 remained unchanged on 11/04/2013.The largest rises were 2-EH (1.59%),Chloroform (1.39%),PTA (1.28%),while the largest ...
Tags: Spot Commodities, Price Chart
It was assessed by SunSirs that in the tracked 100 spot commodities,11 commodities increased in prices, 44 fell and 45 remained unchanged on 02/04/2013.The largest rises were Propylene oxide (3.34%),Color coated sheet (0.83%),Copper ...
Tags: Spot Commodities, Price Chart
It was assessed by SunSirs that in the tracked 100 spot commodities,20 commodities increased in prices, 35 fell and 45 remained unchanged on 03/04/2013.The largest rises were Hydrochloric acid (2.95%),PTA (1.32%),Sulfuric acid (1.32%),while ...
Tags: Spot Commodities, Price Chart, Chemicals
It was assessed by SunSirs that in the tracked 100 spot commodities,17 commodities increased in prices, 34 fell and 49 remained unchanged on 27/03/2013.The largest rises were Propylene oxide (1.05%),Caustic soda (0.78%),LPG (0.71%),while ...
Tags: Spot Commodities, Price Chart, Chemicals
It was assessed by SunSirs that in the tracked 100 spot commodities,8 commodities increased in prices, 43 fell and 49 remained unchanged on 01/04/2013.The largest rises were Acrylic acid (1.40%),Propylene oxide (0.52%),DOP (0.23%),while the ...
It was assessed by SunSirs that in the tracked 100 spot commodities,9 commodities increased in prices, 29 fell and 62 remained unchanged on 29/03/2013.The largest rises were PC (0.49%),Stainless steel plate (0.45%),SBR (0.22%),while the ...
Tags: Chemicals
It was assessed by SunSirs that in the tracked 100 spot commodities,8 commodities increased in prices, 41 fell and 51 remained unchanged on 28/03/2013.The largest rises were Styrene (2.41%),Iron ore (0.85%),Propylene oxide (0.35%),while the ...
Tags: Spot Commodities, Chemicals
It was assessed by SunSirs that in the tracked 100 spot commodities,22 commodities increased in prices, 27 fell and 51 remained unchanged on 25/03/2013.The largest rises were Propylene oxide (1.24%),PA (1.12%),Nickel (1.04%),while the ...
Tags: Commodities Price Chart, China, Chemicals
National Formosa University in Taiwan has developed a liquid-phase deposition (LPD) process of textured zinc oxide on III-V semiconductor to provide improved absorption of multi-junction solar cells [Po-Hsun Lei et al, J. Phys. D: Appl. ...
Tags: ZnO, germanium solar cells, solar cells
It was assessed by SunSirs that in the tracked 100 spot commodities,9 commodities increased in prices, 31 fell and 60 remained unchanged on 15/03/2013.The largest rises were Nickel (1.05%),Chloroform (0.74%),Toluene (0.62%),while the ...
Ultrafiltration has become an increasingly important membrane separation technology in recent years. Anthony Bennett describes the fundamentals of ultrafiltration and highlights some current trends, as well as recent innovations in the ...
Tags: Membrane Technology, Ultrafiltration Technologies, Ultrafiltration
A team at Massachusetts Institute of Technology has developed an etch stop technique to improve performance of recessed-gate nitride semiconductor metal-insulator-semiconductor field-effect transistors (MISFETs) [Bin Lu et al, IEEE Electron ...
Tags: GaN MISFET GaN MOCVD, Electronics, Etch