avaliable
1.Based on the avaliable isotope samples, we found that Fon-lin alluvium, groundwater can be conceptually divided into three layers.
2.There are many FTP client softwares avaliable, for instructions please refers to the manual of the software of your choice.
3.MySQL, the Free & Open Source Media database management system, and its API in C are applied in the communication of historical database. And the Web service on PHP make it avaliable for the clients to access the historical database on network.
4.Since the current voltage characteristics of the threshold memory switch in chalcogenides have been observed by Ovshinsky at 1968, especially both n type and p type doping for hydrogenated amorphous silicon have been avaliable, as one kind of important electronic materials amorphous semiconductors in both fundamental research and application were remarkably developed over the past 30 years.

