A novel three-dimensional Zn(Ⅱ) coordination polymer, Zn3(C2H2N3)4(SiF6), has been synthesized under solvothermal condi......

The eccentric-gear can be used for variable speed transmission.But,due to the vibrations caused by variation of backlash......

阜阳市局 ￡4a 局长——_MINtkMMtgj’＃lnH＄B——q.M——D收束志不他只邀狲位J则【科校为先导推动地租工作.B为广为戳民U用凶盼引眯B.......

文章在对中国公共卫生发展状况进行回顾分析的基础上,探索了今后的发展方向。作者认为,经济体制改革之后,中国的公共卫生面临着新......

The New China International Exhibi- tion Center(NCIEC)is co-designed by Beijing Institute of Agricultural Design (BIAD)a......

Recently,the Ministry of Commerce announced international commodity center information of a number of countries.These ce......

To solve the multi-class fault diagnosis tasks, decision tree support vector machine (DTSVM), which combines SVM and dec......