A reliability assessment method of fatigue life based on the long-term monitoring data is developed for welded details i......

Some recent studies presented two existing types of ENSO events, one is the Eastern-Pacific(EP) type and the other the C......

This paper used fuzzy math principles, analyzed different aspects of the work of the current rural endowment insurance a......

Optimal design is one of the most important issues in robots. Since the very beginning, the concepts of the Jacobian mat......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

The emergy indices for the evaluation of system s sustainable development ability were studied. Results indicated that t......

参照条件是开展河流生态学研究的基础，这些条件不受或很少受到人为干扰。为研究尼泊尔Andhi Khola河上一处河坝的生态影响，采用野外......

Invertible conditions, indices and periods of matrices over an incline are consid- ered. In all proofs multiplicative co......