In Worcester, C-SPAN is on Channel 16, and C-SPAN 2 is on Channel 17. FROM THE REGION The two Americas, one militaristic and one peace-driven, were simultaneously on display on C-SPAN 1 and C-SPAN 2. The cameras of one crew were at the Naval Station in Norfolk, Va., the others...
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C-SPAN2: Washington Ideas Forum: With Heather Bresch, Steven C. Clemons.
He provides an overview of many other aspects, but he devotes most of the volume to the streptococcus and to current views of the bacterium's role in... PC English - 《Bulletin of the History of Medicine》 被引量: 14发表: 1999年 David Lewin and the Complexity of the Beautiful Lewin pe...
Cognitive control is defined by a set of neural processes that allow us to interact with our complex environment in a goal-directed manner(1). Humans regul... JA Anguera,J Boccanfuso,JL Rintoul,... - 《Nature》 被引量: 942发表: 2013年 NAD+ metabolism in health and disease. In additio...
Ni-Span-C 902是一种可沉淀硬化铁镍合金(49Fe–5.3Cr–2.5T-.55Al)。它具有可控的热塑性系数,这是Ni-Span-C 902合金的zhuo越特性。该合金可在-50°F~150°F(10°C~65°C)温度范围内具有恒定的弹性模量。 密度:8.10g/cm3 居里温度:120~190°C(固溶) 类似牌号 Ni-Span C, Elinvar Extra, Sumispan...
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C-SPAN is a not-for-profit service funded by the United State cable television industry. Its mission is to open Washington, D.C. to the public and make government more transparent by broadcasting and archiving government proceedings. The C-SPAN Archives records eight C-SPAN networks 24/7, ...
NI-SPAN-C 合金 902(N09902) NI-SPAN-C 合金 902(N09902)是一种热弹性系数可控的铁镍合金。 然后通过使用冷加工和适当的热处理获得所需的热弹性系数。冷加工 会产生内部应变,使系数更负。热处理,在较低的温度范围内,可减 轻应变。它们还会引起复杂的排序现象,使系数更正。在高于约 900°F 的温度下加热...
N09902合金是一种沉淀硬化型镍铁铬合金，其独特的成分赋予了它出色的性能。合金的主要成分包括镍（Ni）、铬（Cr）、钼（Mo）、铝（Al）和钛（Ti）。镍作为合金的主要基础元素，占据了总成分的较大比例，为合金提供了良好的耐高温性能和韧性。铬元素的加入则显著提高了合金的耐腐蚀性能，使其在各种复杂环境中都...