Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Zhi-Qian Xu"'
Publikováno v:
Nuclear Science and Techniques. 33
Autor:
Meng-Dan Cai, Zhi-Qian Xu, Yi-Heng Liu, Jia-Qi Liu, Shi-Yu Zhao, Xiao-Jing Wang, Ying-Hua Li, Xue-Li Yu, Xiao-Xia Li
Publikováno v:
Theriogenology. 186
We evaluated the effects of different vitrification temperatures (VTs) and cryoprotective agent concentrations (CPAs) on the viability and expressions of long non-coding RNA (lncRNA) in bovine oocytes following vitrification at the germinal vesicle (
Publikováno v:
Nuclear Science and Techniques. 30
The time-domain calibration coefficient of a D-Dot sensor should be identical across various transverse electromagnetic (TEM) cells to comply with the IEEE Std 1309. However, in our previous calibration experiments, poor consistency was observed. The
Publikováno v:
Journal of Petroleum Science and Engineering. 128:140-144
Copperized oil-casing couplings exhibit excellent galling resistance, but owing to economic and environmental issues, there are limited techniques available for copperizing surface treatments. The use of a nanoparticulate anti-friction (NPAF) coating
Publikováno v:
Advanced Materials Research. :1684-1690
In this paper, a creep test was carried out for simulating the creeping of the core of the mudstone under condition of deep formation subsurface conditions by MTS-810 test system, the creep rule and the characteristic parameters of the mudstone forma
Publikováno v:
Advanced Materials Research. :1884-1890
Depending on the mechanical characteristics of casing located at the bending part of sidetrack horizontal well, the calculation model of casing collapsing strength under the effect of bending load is established, and corresponding theoretical formula
Publikováno v:
Advanced Materials Research. :19-22
In this paper, a quantitative analysis for the micro geometrical characteristic of rough surface profile is researched with the fractal theory. Firstly, the fractal dimensions of profile curves under different surface roughness are obtained by using
Publikováno v:
Advanced Materials Research. :531-534
In this paper, the calculation formulas of the asperity’s deformation related with the surface contact pressure are deduced by using the simplified contact model. Firstly, we assume that the rough surface is composed of a set of cones as asperities
Publikováno v:
Applied Mechanics and Materials. :820-824
In order to know something about the structure reliability of beam pumping unit, the methods of Monte-Carlo and response surface method are used to analyze the pumping unit. According to the analysis and calculation, the approach of how to calculate
Publikováno v:
Applied Mechanics and Materials. :811-814
In this paper, the main design parameters of seal structure for non-API pipe connection are studied. First, as the total contact pressure consists of the radial preload generated by interference fit and the radial pressure caused by gas pressure in p