Chemistry
共 6 篇文章
Chemistry 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 6 篇文章，持续更新中。
EN71-4:1998 标准
<P>EN71-4:1998 标准</P>
<P>Safety of toys —Part 4: Experimental sets for chemistry and related activi
Advanced_Process_Engineering_Control
The present work, Advanced Process Engineering Control, is intended to be the<br />
continuation of the authorsʼ Basic Process Engineering Control published by<br />
DeGruyter in 2014. It presents the
GloptiPoly 3: moments, optimization and semidefinite programming. Gloptipoly 3 is intended to so
GloptiPoly 3: moments, optimization and
semidefinite programming.
Gloptipoly 3 is intended to solve, or at least approximate, the Generalized Problem of
Moments (GPM), an infinite-dimensional opt
the geometry of a diffraction grating, a common illustration in textbooks of optics, spectroscopy,
the geometry of a diffraction grating, a common
illustration in textbooks of optics, spectroscopy, and analytical chemistry.
Sliders on the figures allow real-time interactive control of the inciden
DBSCAN Designed by Dr. Michal aszykowski Department of Chemometrics Institute of Chemistry, The Univ
DBSCAN Designed by Dr. Michal aszykowski Department of Chemometrics Institute of Chemistry, The University of Silesia. It s the basic one.
英语词汇起源及妙记 1、Chemistry 化学 古代的炼金术士们总想找到一种方法
英语词汇起源及妙记
1、Chemistry 化学
古代的炼金术士们总想找到一种方法，将低贱的金属变为金子。现在通过原子裂变的原理表明，他们的这种想法并非一般人们想象的那么愚蠢。古埃及人入侵欧洲后，将他们所研究的炼金术，连同其命名al-kimia一起传入欧洲。后来，这个词变成alchemy，“炼金的人”叫做alchemist，最后成了chemistry。“化学”的概念就是从“炼金术”演变来的