海量图书期刊资源,随时随地畅享阅读乐趣
Book ReviewDicke, F. F.; Roark, R. C.; Fahey, J. E.; Roark, R. C. · Journal of Economic Entomology · 1956
Ethylene Oxide as a Fumigant <sup>1</sup>Cotton, R. T.; Roark, R. C. · Industrial & Engineering Chemistry · 1928
Derriswurzel RotenonD. R. Koolhaas; R. C. Roark; Betrem; N. S. K. Kaisha; C. D. V. Georgi; Cunn Lay Telk; W. M. Davidson; P. W. Danckwortt; H. Budde; G. Baumgarten; E. P. Clark; W. A. Gersdorff; S. Takei; S. Miyajima; M. Ono; E. Späth; O. Pesta · 1935
The Insecticide Supply Situation Second Report of Special committeeC. C. Hamilton; R. C. Roark; J. L. Horsfall · 1942
Composition of Fluorides and Fluosilicates Sold as InsecticidesCarter, R. H.; Roark, R. C. · Journal of Economic Entomology · 1928
Phytochemical notes. 73. Oil from Mentha citrataR. C. Roark · 1913
Some promising insecticidal plantsR. C. Roark · 1947
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