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Journal of Mathematical and Fundamental Sciences Vol. 4 Issue 2 1968

Vol. 4 No. 2 (1968)

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Effects of Chemical upon Electron Spin Resonance (ESR) Signals in Lettuce Seeds

ESR spectrometric study of chemically treated lettuce seeds has been carried out. Solutions of HgCl2, Na2S, KOH, KCN, KBr, KF, KIO3, KIO4, KCl, KI, and K2S, as well as water and petroleum ether have been used. Germination power and respiratory activity of the same seeds have also been investigated. Boiled seeds and gamma irradiated seeds have also been studied. KI was found to be the most effective agent. Independence upon cation and pH was found. The effect of KI and KCN was found to be reversible. No correlation between respiratory activity and the number of free radicals seems to exist.…

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Article

Orientasi Kristal Tunggal Paduan Aluminium 6061

Ichtisar. Kawat-kawat kristal tunggal dari paduan Aluminium 6061 jang dihasilkan dengan tjara "strain-anneal", mempunjai orientasi kristal jang hampir sama dengan orientasi pengerdjaan dingin dari logam tersebut pada waktu pembuatan kawat.Abstract. Single crystal wires of 6061 Aluminium alloy, which are produced by "strain-anneal" method, nearly have the same orientation as the cold-work orientation of the wire.

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