|
|
|
|
|
Mengxing Gao and Li Cheng
In order to improve the cavitation performance of hydraulic machinery in the design stage, the response surface analysis method is used to study the influence of cascade density on the hydraulic characteristics and cavitation characteristics of a three-d...
ver más
|
|
|
|
|
|
|
|
|
Feng Tian, Qingfeng Miao, Haibin Shi, Ruiping Li, Xu Dou, Jie Duan, Jing Liu and Weiying Feng
As an effective method to improve saline?alkali land, the drainage from subsurface pipes has been extensively studied in typical arid and semi-arid agricultural areas (Hetao Irrigation District). However, there are few studies on the improvement of subsu...
ver más
|
|
|
|
|
|
|
|
|
Jianan Bai, Danyang Qin, Ping Zheng and Lin Ma
In visual indoor positioning systems, the method of constructing a visual map by point-by-point sampling is widely used due to its characteristics of clear static images and simple coordinate calculation. However, too small a sampling interval will cause...
ver más
|
|
|
|
|
|
|
|
|
Csaba Centeri
Seventy-seven percent of all agricultural land is related to livestock, meat and dairy, including grazing land and arable fields used for animal feed production. The effect of livestock on the natural environment is well documented. Many types of researc...
ver más
|
|
|
|
|
|
|
|
|
Yuanyuan Wei, Nan Jiang, Ziwei Li, Dongdong Zheng, Minjie Chen and Miaomiao Zhang
Adding new lines on the basis of the existing public transport network is an important way to improve public transport operation networks and the quality of urban public transport service. Aiming at the problem that existing routes are rarely considered ...
ver más
|
|
|
|