A technology involving generation of light by a cuboid metallic box, lit with a drum containing wood charcoal generated from burning wood in the cuboid metallic box. It burns out in 12 hours.Stage of development: Under R & D
[更多]
"Weed infestations cause considerable crop yield losses worldwide. C4 weeds like Black-Grass, Cleavers, Green foxtail, Kochia and Barnyard Grass reduce yields of important C3 cereals such as rice, wheat, barley and oat. For example, Barnyard Grass, the most important weed species in rice, which is n.....
[更多]
An improved photoimagable cationically polymerizable epoxy based solder mask is provided that contains a non-brominated epoxy resin system and from about 0.1 to about 15 parts, by weight per 100 parts of resin system, of a cationic photoinitiator. The non-brominated epoxy-resin system has solids tha.....
[更多]
[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] | -> >| |