Zobrazeno 1 - 10
of 58
pro vyhledávání: '"De-zhi Wang"'
Publikováno v:
Acta Palaeontologica Polonica, Vol 64, Iss 4, Pp 797-813 (2019)
The morphology and ontogeny of the trilobite Changaspis elongata based on 216 specimens collected from the Lazizhai section of the Balang Formation (Stage 4, Series 2 of the Cambrian) in Guizhou Province, South China are described. The relatively con
Externí odkaz:
https://doaj.org/article/9e1fdf22406e48d89897d5377fe4ca88
Publikováno v:
Radioengineering, Vol 22, Iss 1, Pp 153-158 (2013)
A high current matching over full-swing and low-glitch charge pump (CP) circuit is proposed. The current of the CP is split into two identical branches having one-half the original current. The two branches are connected in source-coupled structure,
Externí odkaz:
https://doaj.org/article/e525fa1b7e004c7faaeeb1df4c272fef
Publikováno v:
Palaeoworld. 31:570-581
Publikováno v:
Transactions of Nonferrous Metals Society of China. 32:1926-1934
Autor:
Zhi-Wen Liu, Min Song, Jun-Ya Wang, De-Zhi Wang, Biao Sun, Lei Shi, Ren-Wang Jiang, Min Ma, Xiao-Qi Zhang
Publikováno v:
Phytochemistry. 211:113678
Akademický článek
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Publikováno v:
Tungsten. 2:301-306
Deformation texture plays an important influence on the mechanical properties and the anisotropy over Mo–La alloy products. In this work, Mo–La plates prepared by powder metallurgy process are unidirectionally rolled and annealed at various tempe
Publikováno v:
Transactions of Nonferrous Metals Society of China. 30:2170-2176
To clarify the influence of the deformation texture on the mechanical properties, pure Mo plates were processed by various cross rolling procedures, and the relation among texture, microstructure and mechanical properties was discussed. The results s
Publikováno v:
Geobios. 57:127-139
New Cambrian sponge fossils can generate alternative interpretations of the phylogenetic and biogeographical history of early sponges. Recently, many sponge fossils have been discovered from the Stage 4 Balang Fauna of Guizhou, China; these sponges a
Publikováno v:
Transactions of Nonferrous Metals Society of China. 29:1705-1713
In order to prepare high-performance Mo with fine and homogeneous microstructure to meet the demand of high-technology applications such as metallurgical, mechanical, national defense, aerospace and electronics applications, the microwave sintering p