The device described here provides a tone impulse at a rate variable from 30 to 120 per minute and an additional characteristic signal for submultiple...
give the two different frequency ranges, while section 3 is a modification of an ... output of the audio oscillator at lower plate potentials. .... tone generator was.
An electronic primer. C. T. Pearce. J. Chem. Educ. , 1944, 21 (2), p 72. DOI: 10.1021/ed021p72. Publication Date: February 1944. Cite this:J. Chem. Educ. 21, 2 ...
J. Chem. Educ. , 1931, 8 (6), p 1144. DOI: 10.1021/ed008p1144. Publication Date: June 1931. Note: In lieu of an abstract, this is the article's first page. Click to ...
Presents the design of a simple electronic relay that eliminates some of the problems associated with mechanical relays.
John J. Pitha. J. Chem. Educ. , 1951, 28 (8), p 429. DOI: 10.1021/ed028p429. Publication ... George J. Janz , Cyril Solomons , and Henry J. Gardner. Chemical ...
Educ. , 1927, 4 (7), p 822. DOI: 10.1021/ed004p822. Publication Date: July 1927. Cite this:J. Chem. Educ. 4, 7, XXX-XXX. Note: In lieu of an abstract, this is the ...
Recording the IR spectra of insect wings and determining their composition. Keywords (Audience):. Second-Year Undergraduate. Keywords (Domain):.
Feb 1, 1973 - Chemistry of an insect wing. Thomas McCullough C.S.C.. J. Chem. Educ. , 1973, 50 (2), p 101. DOI: 10.1021/ed050p101.1. Publication Date: ...
Millionths of an inch. Guy Bartlett. J. Chem. Educ. , 1927, 4 (7), p 822. DOI: 10.1021/ed004p822. Publication Date: July 1927. Cite this:J. Chem. Educ. 4, 7, 822-.
Lanxess expands lube additives in Germany · Dutch start-up Photanol pursues chemicals from CO2 · China's Jiangsu province will close 1,000 chemical plants ...
