chemistry-chemists.com 的前十大競爭對手

forum.xumuk.ru

вот такие, самые лучшие, по-моему: картинка 1 картинка 2 картинка 3 картинка 4 картинка 5 картинка 6 картинка 7 картинка 8 картинка 9 - самая смешная картинка 10 - 2-е место картинка 11 - 3-е место картинка 12. Нашел еще немного. Вот.

theodoregray.com

Home page of Theodore Gray, author, publisher, developer stitchcoder. Creator of The Elements: A Visual Exploration, co-founder of Wolfram Research, makers of Mathematica and Wolfram|Alpha.

laradioactivite.com

Echelle de doses - Article - Doses radioactives et rayonnements, QUESTIONS DE DOSE - laradioactivite.com

laboratorynotes.com

Y-27632 (C14H21N3O) is an organic compound of four elements: Carbon, Hydrogen, Nitrogen, and Oxygen. The Y-27632 dihydrochloride (C14H21N3O.2HCl) also contains two molecules of Hydrogen chloride. The molecular weight of Y-27632 dihydrochlorid is 320.25882 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

radioactivity.eu.com

Frequently asked questions - radioactivity.eu.com

scienzapertutti.infn.it

scienzapertutti sito di divulgazione scientifica. la comunità dei ricercatori dell'istituto nazionale di fisica nucleare (infn) collabora a questo progetto di

lelementarium.fr

Élément présent dans les magnétrons, générateurs hyperfréquence utilisés par exemple dans les fours à micro-ondes.

energywavetheory.com

About the EWT Project  This site is intended for those that are open to discussing alternative models to explain the universe and the subatomic particles that govern everything we see.  It is the hope of the project that a better understanding of energy will help find new solutions for our planet as fossil fuels continue to+ Read More