原文链接: Emergent simplicity in microbial community assembly | Science Interchanging species of similar function Under natural conditions, bacteria form mixed, interacting communities. Understanding how such communities assemble and stabilize is important in a range of contexts, from biot ...
同位素质谱和同位素比质谱实际上指的是相似的分析技术,都是利用质谱技术来分析样品中同位素的组成和相对丰度。不过,同位素比质谱(Isotope Ratio Mass Spectrometry, IR-MS)这一术语更具体地强调了该技术在测量不同同位素之间比例上的应用。 同位素比质谱仪能够提供极高精度的同位素比率测量,这对于需要了解 ...
光中的量子流:物理学家发现卡门涡街的光学模拟 诸平 https://scitechdaily.com/images/Karman-Vortex-Ring-Streets.jpg An artistic impression of a vortex-ring street analog to the structure of magnetic field of a NDSTP, where the right- and left- handed vortex rings were highlighted by b ...