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Now showing items 51-57 of 57
Nonstationary behavior of collisionless shocks
(American Physical Society, 1972-01-03)
Laboratory measurements indicate that a collisionless shock wave formed in a plasma-wind-
tunnel device is nonstationary on the time scale of the ion gyroperiod. This behavior
suggests a possible interpretation of recent ...
Leech-Repellent Property of Eastern Red-Spotted Newts, Notophthalmus viridescens
(American Association for the Advancement of Science: Science, 1971-12-10)
Eastern red-spotted newts (Notophthalmus viridescens, Salamandridae) are rarely attacked by leeches. This protection is not shared by related salamandrids or by Ambystoma (Ambystomatidae). Tetrodotoxin is not the repelent. ...
Synthesis of 2,5- and 2,6-bis(bromomethyl)-1,4-diphenylpiperazines and their conversion into 2,5-diphenyl-2,5-diazabicyclo[2.2.2]octane
(The American Chemical Society: The Journal of Organic Chemistry, 1971-11-05)
Treatment of cis-1,5-diphenyl-3,7-dihydroxyoctahydro-1,5-diazocine (1) with phosphorus tribromide yielded a mixture of cis-2,6-bis(bromomethyl)-1,4-diphenylpiperazine (4) and cis-2,5-bis(bromomethyl)-1,4-diphenylpiperazine ...
Stereochemistry and mechanisms of cyclopropane ring cleavage. Addition of hydrogen chloride to tetracyclo[3.2.0.02,7.04,6]heptane-1,5-dicarboxylic acid (quadricyclenedicarboxylic acid)
(The American Chemical Society: The Journal of Organic Chemistry, 1971-09-24)
Addition of hydrogen chloride to tetracyc10[3.2.0.0^2,7.0^4,6] heptane-l15-dicarboxylic acid (1, quadricyclenedicarboxylic acid) under various conditions results in two products, exo-5-chlorotricyclo[2.2,1.0^2,6] ...
Stereochemistry and mechanisms of the addition of deuterium chloride to bicyclo[2.2.1]heptadiene (norbornadiene) and to tetracyclo[3.2.02,7.04,6]heptane (quadricyclene)
(The American Chemical Society: The Journal of Organic Chemistry, 1971-09-24)
Addition of hydrogen chloride and deuterium chloride to bicyclo [2.2.1] heptadiene (I, norbornadiene) results in (unlabeled and labeled, respectively) exo-dehydronorbornyl chloride (III) and nortricyclyl chloride (IV). The ...
Fast computing of color matching by means of matrix representation. Part 1: Transmission-type colorant
(Optical Society of America, 1971)
Geometrical isomers of bisimines of tetramethyl-1,3-cyclobutanedione
(The American Chemical Society: The Journal of Organic Chemistry, 1970-07)