Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Qian Ma"'
Autor:
Cheng Qian Ma, Liu Liu
Publikováno v:
Advanced Materials Research. :846-849
According to characteristics of monitoring system, firstly, making some preliminary processing for history database through the Apriori algorithm of association rules. So that digging out some useful data for the system, and concluding the initial sa
Autor:
Qian Ma
Publikováno v:
Advanced Materials Research. :3544-3547
In this paper, we propose an improved method for reconstruct 3D facial shape from a single frontal image. We use improved fast marching method to solve the Eikonal equation which can obtained from the method of shape from shading (SFS). In order to o
Publikováno v:
Advanced Materials Research. :1081-1085
This paper puts forward structure and realization method of the voltage-controlled band-pass filter based on the current feedback operational amplifier (CFA) which uses bi-quad loop filter circuit model to design the new filter circuit. Input voltage
Publikováno v:
Advanced Materials Research. 868:465-472
In this paper, considering on the real threshold pressure gradient (TPG), the mathematical model for low velocity non-Darcy unstable gas flow was established for the tight gas reservoir. Based on the low velocity non-Darcy unstable gas flow model, th
Publikováno v:
Advanced Materials Research. :946-953
Nowadays, speed-change lane of freeway interchange is a big safety risks area. The reasonable length of speed-change lane can effectively reduce the safety risk. From the point of drivers safety and comfort, this paper studies on the length of speed-
Publikováno v:
Advanced Materials Research. :196-199
Numerical simulation had been used to study the combustion characteristic of vinegar residue in a straw-fired boiler in this paper. Achievement of the paper was based on a kind of CFD. The results paid more attention to the following points: the infl
Publikováno v:
Advanced Materials Research. :117-121
In order to study the effect of several factors on the shrinkage performance of lime-fly ash stabilized crushed stone, temperature shrinkage coefficients and dry shrinkage coefficients of mixtures with different gradations, lime and fly content and a
Publikováno v:
Advanced Materials Research. :1902-1907
ndoor steel stairs, which are usually designed by professional construction companies, are controlled by the stiffness and strength. However the vibration problem is not considered and may lead to the problem of comfortability and even safety. This p
Publikováno v:
Advanced Materials Research. :1719-1723
A polysaccharide, coded as LBP5a, was extracted from the Lycium barbarum L. with distilled water. LBP5a was precipitated repeated by ethanol and purified by DEAE-52, Sephadex G-75. The structure of LBP5a was detected by FT-IR spectrometer, Ultraviole
Publikováno v:
Advanced Materials Research. :425-430
The nanoparticles additives have very excellent abrasion resistance. In this paper, we study the tribological properties of the nanoparticles additives, and discusses the preparation methods of the nanoparticles and concludes the special nature of th