Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Pengda, Zhao"'
Autor:
Qiuming Cheng, Frits Agterberg
Publikováno v:
Encyclopedia of Mathematical Geosciences ISBN: 9783030260507
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d8a76dcacd121bdef49750c95f1a9ef
https://doi.org/10.1007/978-3-030-26050-7_403-1
https://doi.org/10.1007/978-3-030-26050-7_403-1
Autor:
Yugang Wang, Zhantao Li, Yanqing Gu, Hongwen Zhang, Pengda Zhao, Yongzheng Wang, Jianning Yang
Publikováno v:
Frontiers in Materials, Vol 10 (2024)
Introduction: The wear failure of spindle will lead to a decrease in cotton harvesting rate of the cotton picker during field operation and serious wastage.Method: Three types of spindle samples at different installation positions and working areas w
Externí odkaz:
https://doaj.org/article/bfaaeda1a38e4faa968653a6088b8769
Autor:
Pengda Zhao, Hailiang Lyu, Lei Wang, Hongwen Zhang, Zhantao Li, Kunyu Li, Chao Xing, Bocheng Guoyao
Publikováno v:
Agriculture, Vol 14, Iss 5, p 764 (2024)
This paper takes the frame as the research object and explores the vibration characteristics of the frame to address the vibration problem of a 1-MSD straw-crushing and residual film recycling machine in the field operation process, and an accurate i
Externí odkaz:
https://doaj.org/article/84568221e0064c85bc6d079f7b859460
Autor:
Jianhao Dong, Guangheng Wang, Hui Lin, Xinsheng Bi, Zhantao Li, Pengda Zhao, Tingwen Pei, Fei Tan
Publikováno v:
Agriculture, Vol 13, Iss 7, p 1440 (2023)
The frame of the cotton picker is exposed to complex and varying loads during its operation. Therefore, conducting research on the vibration characteristics of the frame is crucial. In this study, vibration tests were conducted on the main vibration
Externí odkaz:
https://doaj.org/article/60483a66152d49928ddc7dc93fa5352e
Publikováno v:
Ceramics International. 48:37142-37149
Effects of Cr2O3 addition on property improvement of magnesia-spinel refractories used in RH snorkel
Publikováno v:
In Ceramics International December 2016 42(16):18579-18584
Publikováno v:
Ceramics International. 48:3912-3922
In an effort to reduce resource consumption through recycling, Al2O3–Cr2O3 refractories were prepared by sintering a mixture of brown corundum and recycled aluminum chromium slag at 1600 °C. To elucidate the significance of TiO2 in refractory, the
Publikováno v:
Journal of Earth Science. 32:318-326
The tin (Sn)-tungsten (W) polymetallic ore concentrated district in SE Yunnan is distributed at the junction region of the Yangtze Block, the Cathaysian Block and the Indosinian Block, where there are several giant deposits of tin, tungsten, copper,
Autor:
Pengda Zhao, Yongqing Chen
Publikováno v:
Journal of Earth Science. 32:269-275
The idea of mineral exploration, which is called "exploration philosophy" in the Western countries, is the thoughts, the methodology, technology, goals and organization that guide mineral exploration. The three basic elements of mineral exploration a