Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Yong‐Qing Ma"'
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 10, Iss 1, Pp 2116-2127 (2019)
In this work, sulfur-doped (S-doped) TiO2 with the (001) face exposed was synthesized by thermal chemical vapor deposition at 180 or 250 °C using S/Ti molar ratios RS/Ti of 0, 0.5, 1, 2, 3, 4 and 5. The S-doped samples synthesized at 250 °C exhibit
Externí odkaz:
https://doaj.org/article/73de629b909449edbefd23a69fdb4004
Publikováno v:
Journal of Agronomy and Crop Science.
Autor:
Yong-qing Ma
Publikováno v:
Allelopathy ISBN: 9780367813673
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6eb09e58fa5537923e347805aa0af9ab
https://doi.org/10.1201/9780367813673-18
https://doi.org/10.1201/9780367813673-18
Publikováno v:
Advanced Materials Research. 936:1267-1272
The influence of Mo and V contents on the microstructure and secondary hardening of 6Cr6W2MoV steel was studied in this paper, and the process factors and the transformation mechanism of the influence results were discussed by phase equilibrium therm
A Study on Austenite Catalytic Cryogenic Treatment of Cr-W-Mo-V High Alloy Medium-Upper Carbon Steel
Publikováno v:
Advanced Materials Research. 936:1173-1178
The processing of austenite catalytic cryogenic treatment of two components of Cr-W-Mo-V high alloy medium-upper carbon steels and the effect on the retained austenite transformation and tempering hardness were studied in this paper. The results show
Publikováno v:
Advanced Materials Research. :223-227
6CrW2MoVSi steel has a refined and even microstructure after heat treatment, the average size of annealing carbide is 0.6 μm; quenching martensite is mainly lath-shaped martensite and only a small amount of acicular martensite, and the size of quenc
Publikováno v:
Advanced Materials Research. :91-96
By the equilibrium phases of the steels with temperature, the causation of being carbide network of CrWMn steel frequently in the manufacture was analyzed, and an alloy design for avoiding carbide network of CrWMn steel was researched. The analyse an
Autor:
Ming Qing Wu, Yong Qing Ma
Publikováno v:
Advanced Materials Research. 529:318-321
Cutting force measurement system by force measurement instrument, general data collection system and PC of three parts. The size of the cutting force general use have experimental results set up experience formula. Introduces two kinds of accurate me
Publikováno v:
Advanced Materials Research. :591-596
The temper-resistance temperature of Cr-W-Mo-V high carbon medium alloy steels is in a range at 200°C-300°C. Along with increasing C and alloy contents in particular Cr content of the steels, the temper-resistance is boost up gradually and maximal
Publikováno v:
Advanced Materials Research. :37-41
By analysis of the theoretical calculation, it is obvious that the bimetallic bonding of the copper clad aluminum wire by clad drawing at room temperature is the action results of collective gravitation of a great lot of two metal surface atoms recip