(R1: Doctoral Universities – Highest Research Activity) 博士类大学里,根据研究活动多少,包括三类,分别是 一类R1 – Highest Research Activity 最多研究活动, 115所 二类R2 – Higher Research Activity, 较多研究活动, 107所 三类R3 – Moderate Research Activity,中等研究活动, 112所 美国高等院校总数 4,583...
Governments, universities and firms together spend around $1.4 trillion a year on R&D, more than ever before. Yet nobody recently has come up with an invention half as useful as toilet. With its clean lines and intuitive user interface, the humble toilet transformed the lives of billions of ...
ENR functions in the final step of the elongation cycle in fatty acid synthesis. It catalyzes the reduction of trans-2-crotonyl-ACP (an enoyl-ACP) to butyryl-ACP (an acyl-ACP) in an NADH- or NADPH-dependent manner18, which then serves as the substrate for another round of synthesis unti...
在某处土壤电阻率测试项目中,地针间距为1米时测得的电阻R1为5Ω,地针间距为2米时测得的电阻R2为4Ω,地针间距为3米时测得的电阻R3为3Ω,土壤深度1米~3米的层电阻为( )Ω,层电阻率为( )Ω.m。的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的
No longer do most of Europe’s undergraduates want to dirty their hands producing things or providing services to customers.【R1】___A hefty annual study of students at universities specializing in business education and science in 13 European countries found that McKinsey Andersen Consulting and the...
二类R2 - Higher Research Activity, 较多研究活动, 107所 三类R3 - Moderate Research Activity,中等研究活动, 112所 美国高等院校总数 4,583所,美国所有博士类大学,一共334所,占总数的 7%。其他类型包括硕士大学,本科大学,两年制大学,以及专业大学。R1类大学 115所,只占美国高校总数的2.5%。
cells Article miR-135a Suppresses Granulosa Cell Growth by Targeting Tgfbr1 and Ccnd2 during Folliculogenesis in Mice Lei Wang 1,†, Yaru Chen 1,†, Shang Wu 1, Jinhua Tang 1, Gaogui Chen 1 and Fenge Li 1,2,* 1 Key Laboratory of Swine Genetics and Breeding of Ministry of ...