海量图书期刊资源,随时随地畅享阅读乐趣
Book reviewsL. D. Wright; Harry H. Roberts; Arnold H. Bouma; Harold W. Borns; A. B. Carpenter; R. W. Jones; J. R. Wood · 1986
Do science radio broadcasts pay?Harry A. Carpenter · 1939
An experiment with recorded science lessonsHarry A. Carpenter · 1940
GENERAL SCIENCEHarry A. Carpenter · 1917
SCIENCE IN THE ELEMENTARY SCHOOLHARRY A. CARPENTER · 1930
"Mournful numbers"Carpenter, Harry A. · Journal of Chemical Education · 1925
Classroom Procedures || Teaching Science by RadioHarry A. Carpenter · Junior-Senior High School Clearing House · 1934
IONIZATION THEORY. DEMONSTRATION WITH APPLICATION TO ELECTROLYSISHarry A. Carpenter · 1909
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