A method of accurately measuring the defect density of a high-power light-emitting diode(LED) is proposed.The method is based on measuring the number of emittin
Through the use of reliable AMS dating of high resolution (15-30 years) peat and the establishment of monsoon climate proxies sequence, we have been able to rec
There is a type of asphalt that originated from differentiation from reservoir bed (named reservoir bed|differentiated asphalt) in the Silurian asphaltic sandst