The Northrop/McDonnell Douglas YF-23 is an American single-seat, twin-engine, stealth fighter technology demonstrator prototype designed for the United States Air Force (USAF).

YF-2 is a highly selective, blood-brain-barrier permeable histone acetyltransferase activator, acetylates H3 in the hippocampus, with EC50 s of 2.75 μM, 29.04 μM and 49.31 μM for CBP, …

YF-2 是一种组蛋白乙酰转移酶 (histone acetyltransferase) 激动剂，对 CBP、PCAF 和 GCN5 的 EC50 值分别为 2.75 μM、29.04 μM 和 49.31 μM。

2024年10月26日 · What You Need to Know: The Northrop YF-23, nicknamed “Black Widow II,” was a stealth fighter prototype developed in the late 1980s and early 1990s as part of the U.S. …

2024年1月14日 · The YF-23 Black Widow II, developed by Northrop/McDonnell Douglas, was a cutting-edge stealth air-superiority fighter. This aircraft stood out for its unique design and …

YF-2 是一种高选择性的、可血脑屏障渗透的 histone acetyltransferase (HAT) 的激活剂。 在体外测定中，YF-2 具有针对CBP、PCAF和GCN5的活性，EC50 分别为2.75 μM、29.04 μM和49.3 …

YF-2A 火箭发动机是中国 长征一号 运载火箭的第一级发动机。 由中国航天工业总公司第十一研究所于1965年～1968年研制。 YF-2A是YF-2发动机的改型。 推进剂为硝酸-27S和偏二甲肼。 …

5 天之前 · The YF-23 "Black Widow II," developed by Northrop Corporation, was a groundbreaking stealth fighter prototype created during the Advanced Tactical Fighter program …

YF系列火箭发动机是中国为 长征系列运载火箭 研发的火箭液态发动机系列，YF取自液态和发动机第一字的拼音首字母。 2023年4月22日，航天科技集团六院发布了三款为商业航天量身定做的 …

Name is YF-2 Fuzz Box made by "YACK". YACK is 1960's Japanese musical instrument brand and had a few Fuzz pedal in their line up. But they didn't make a lot. So,extremely hard to find …