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Swirling around the planet’s equator, the rings of Saturn are a dead giveaway that the planet is spinning at a tilt. The belted giant rotates at a 26.7-degree angle relative to the plane in which it o...
近期,天然产物领域国际顶级期Natural Product Reports ( 《天然产物报告》 ,影响因子IF = 13.4236)在线发表了安徽农业大学茶树生物学与资源利用国家重点实验室宋传奎教授为共同通讯作者的长篇综述 “Structure-function relationship of terpenoid glycosyltransferases from plants”(DOI: 10...
微生物来源的天然产物和其相关的生物合成酶元件是新药发现与合成生物学研究的巨大资源宝库。在微生物体内众多的酶中,非血红素铁酶(non-haem iron enzyme)是一类含有血红素形态以外铁离子的多功能催化剂。它们广泛分布于生物体内的初级和次级代谢途径中,可以催化卤代反应、各种类型的氧化反应以及多种类型的重排反应,在天然产物生物合成和初级代谢产物的合成与降解过程中扮演着重要角色。
U.S. expenditures in research and development (R&D) rose to $456.1 billion in 2013 -- a $20.7 billion increase over the previous year, according to a reportfrom the National Science Foundation's ...
U.S. expenditures in research and development (R&D) rose to $456.1 billion in 2013 -- a $20.7 billion increase over the previous year, according to a reportfrom the National Science Foundation's ...
In 2012, knowledge intensive (KI) services industries--business, finance and information--produced $3.4 trillion in value-added output, more than one-fifth of the U.S. gross domestic product (GDP), an...
In 2012, knowledge intensive (KI) services industries--business, finance and information--produced $3.4 trillion in value-added output, more than one-fifth of the U.S. gross domestic product (GDP), an...
From the outside, you might not notice the ongoing tension within many large businesses: the battle between salespeople, on the one hand, and marketers and product managers, on the other. Because the ...
Digital technology and the arts sector will come to the fore at the commercial launch of two new products from Ortelia on 21 November.
The latest innovations in lasers, sensors, and optical materials and systems for research, medicine, imaging, and manufacturing will be shown at the largest-ever SPIE Photonics West exhibition in Mosc...
Pharmaceuticals and personal care products (PPCPs) carried in biosolids (i.e., treated sewage sludge) may reach surface waters or groundwater when these materials are applied as fertilizer to agricult...
May 10, 2007,Builders interested both in conservation and thrift can benefit from the latest updates to an innovative software package released this week by the National Institute of Standards and Tec...
April 26, 2007,The USDA Food Safety and Inspection Service (FSIS) and the U.S. Food and Drug Administration (FDA) today notified State authorities that swine fed adulterated product will not be approv...
April 27, 2007,The U.S. Food and Drug Administration (FDA) today approved Humate-P (Antihemophilic Factor/von Willebrand Factor Complex) for the prevention of excessive bleeding during and after surge...

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