The nanosecond self-pulsing operation of a midinfrared solid-state laser with no additional passive absorbers is reported in Storage Container this paper.A proof-of-principle demonstration of the cooperatively enhanced reabsorption method, in which two laserdiode-pumped erbium gain media share the same laser resonator, is proposed.The two excited m
The roots of Fissistigma oldhamii (FO) are widely used as medicine with the effect of dispelling wind and dampness, promoting blood circulation and relieving pains, and its fruits are considered delicious.However, Hakka people always utilize its above-ground parts as a famous folk medicine, Xiangteng, with significant differences from literatures.S
In this paper, we use evidence from our earlier review of surgical randomised controlled trials with a placebo arm to show that blinding in trials of interventional procedures Industrial:Restaurant is feasible.We give examples of ingenious strategies that have been used to simulate the active procedure and to make the placebo control indistinguisha
Two field experiments on weed control in soybeans were carried out at BIOTROP, Bogor, Indonesia from February to June, 1989.The critical period for weed control was found to be between 20 - 40 Normal hair shampoo days after planting of soybean (c.v.Wilis) grown at a planting distance of 40 x 10 cm.It did not coincide with the fastest growth in term