海量图书期刊资源,随时随地畅享阅读乐趣
Reference beam attenuator for ir spectrophotometerHelsen, Jef · Journal of Chemical Education · 1970
Titration of oxalate by potassium permanganateHelsen, Jef · Journal of Chemical Education · 1974
In vitro simulation of biocompatibility of Ti-Al-VNoël Bruneel; Jef A. Helsen · 1988
Multi-phase solids and the intensity-concentration relationship in X-ray fluorescence analysis: a Monte Carlo simulationHelsen, Jef A.; Vrebos, Bruno A. R. · The Analyst · 1984
Spiral Puzzle for Organic Chemistry StudentsErdik, Ender · Journal of Chemical Education · 2003
Orbitals: Some Fiction and Some FactsAutschbach, Jochen · Journal of Chemical Education · 2012
ChemOkey: A Game To Reinforce NomenclatureKavak, Nusret · Journal of Chemical Education · 2012
Hyperconjugation: A More Coherent ApproachMullins, JosephJ. · Journal of Chemical Education · 2012
The Proper Writing of Ionic ChargesJensen, William B. · Journal of Chemical Education · 2012
What Are Elements and Compounds?Myers, Rollie J. · Journal of Chemical Education · 2012
Simple Apparatus for Vacuum FiltrationZhilin, Denis M.; Kjonaas, Richard A. · Journal of Chemical Education · 2013
A very inexpensive NMR tube washerKarimian, Khashayar · Journal of Chemical Education · 1986