supported by the Royal Academy of Engineering Research Exchanges with China and UK(Grant No.2012-P02);National Key Technology R&D Program of Ministry of Science and Technology of China(Grant No.2012BAF08B03);National Natural Science Foundation of China(Grant No.51375189)
The porcelain fracture caused by low metal-ceramic bond strength is a critical issue in porcelain fused to metal(PFM) restorations. Surface roughening methods, such as sand blasting, acid etching and alkaline degrea...
Supported by the China NKBRSF Project(No.2001CB409600) and Key Technologies R&D Programme(2006-2010)
In recent years, serious reed fires occurred in Zhalong Nature Reserve in Heilongjiang Provincein China. From 19th to 28th of March 2005, 12 fires occurred in Zhalong Nature Reserve, and the firesspread to Qiqihaer Ci...
This work was supported by the Knowledge In-novation Project of the Chinese Academy of Sciences(Grant No.KZCX3-SW-220);the National Natural Science Foundation of China(Grant No.40476024);the National Key Project for Basic Research of China(Grant No.2000078500);the Ministry of Science and Tech-nology of China(Grant No.2003DEA6N041).
A new approach to the basic composition char- acter of deep sea sediment is discussed in this paper for indi- cating its paleoenvironment meaning. For this purpose high precision grain size character of sediments from...