City space structure is in the process of constant development, and its development needs so many drives force function. 城市空间结构处于不断演进过程中,城市空间结构的演进要受到众多驱动力的推动作用。 www.ceps.com.tw 10. tension structure is one kind of large - span space structure , which com...
Mercury intrusion porosimetryis frequently used to characterize porosity-related characteristics of a material. During the test, specimens with known weight are placed in the sample chamber, and the void space in the chamber is then filled with mercury. Since mercury is a nonwetting agent for most...
support structure 美 英 un.支承结构 网络支撑结构;支架;支撑组织 英汉 网络释义 un. 1. 支承结构 释义: 全部,支承结构,支撑结构,支架,支撑组织
PURPOSE:To reduce the size of a folding containing volume without increasing the size of a drive motor by a method wherein a means to exert an energizing force in a developing direction in a folding containing position is attached to a developable framed structure being folded and contained. CO...
Bacterial σI factors of the σ70-family are widespread in Bacilli and Clostridia and are involved in the heat shock response, iron metabolism, virulence, and carbohydrate sensing. A multiplicity of σI paralogues in some cellulolytic bacteria have been
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Many households in Kenya and in other developing countries have poor sanitary conditions. The indoor and outdoor environments of these homes are not well maintained to prevent the formation of pools of water or growth of brush. These two are important risk factors for malaria mosquito abundance an...
Milky Way Galaxy - Structure, Dynamics, Stars: The first reliable measurement of the size of the Galaxy was made in 1917 by American astronomer Harlow Shapley. He arrived at his size determination by establishing the spatial distribution of globular clus
Here, we use Landau levels as markers of the energy dispersion and analyze the Landau level spectrum in a regime where the cyclotron orbits of electrons or holes in momentum space are small enough to resolve the distinct mini Dirac cones. We identify the presence of four Dirac cones and map...