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ICRP第145号出版物成人网格参考计算体模 （Adult Mesh-type Reference Computational Phantom）
成人网格 参考计算体模 ICRP 第145号出版物 剂量系数计算
2023/3/9
继2007年建议(第103号出版物)之后，ICRP在第110号出版物(2009年)和第143号出版物(2020年)中发布了用于剂量系数计算的体素参考计算体模(VRCPs)系列。 基于真人CT图像的VRCPs改进了解剖学和剂量学，而不是在2007年建议之前用于剂量系数计算的老式数学(或风式化)体模。然而，这种由体素大小固定的体素组成的体素体模在表示某些解剖结构，特别是那些比体素尺寸更小或更薄的体素体...
Detailed new ‘reference’ genome for maize shows the plant has deep resources for continued adaptation
reference genome maize deep resources continued adaptation
2017/7/21
A new, much more detailed reference genome for maize, or corn, as it is called in the U.S., will be published in Nature today. In its accounting of the sequence of DNA letters in the plant’s...
If you thought fielding traditional reference questions via old technology, like email, LOL, could be challenging, OMG! get ready: thanks to Text a Librarian, from mobile reference provider Mosio, the...
New National Institute of Standards and Technology Reference Material for Peptide Analysis
Peptide mass spectroscopy Measurements
2007/5/28
May 24, 2007，The National Institute of Standards and Technology (NIST) has issued its first-ever reference material designed to improve the performance and reliability of experiments to measure the ma...
March 16, 2007，The National Institute of Standards and Technology (NIST) has developed a new reference material to help improve the accuracy of clinical diagnostic tests for chronic kidney disease. Th...
Oxford University’s short-course online students able to use OUP reference library
short online courses philosophy art history archaeology
2007/2/9
5 February 2007，Over 1,500 key titles in Oxford University Press’s (OUP) rich online library have been made available to students on short online courses run by Oxford University’s Department for Cont...
参考咨询与用户服务协会（RUSA，The Reference and User Services Association）修正联合参考咨询服务指南（图）
参考咨询与用户服务协会 美国图书馆学会 联合参考咨询服务指南 修订版本
2006/8/16
芝加哥——参考咨询与用户服务协会（RUSA，The Reference and User Services Association），是美国图书馆学会的一个分会，已经批准了《1998年联合参考咨询服务指南》的修订版本。参考咨询与用户服务协会的联合参考咨询服务委员会针对该领域的变迁更新了指南。