A water-soluble transformation product of 2,4-D. Arch. Biochem. Biophys. 35: 171-175. 1952. 4. JAWORSKI, E. G. and BUTTS, J. S. Studies in plant metabolism. II. The metabolism of C'4 labeled 2,4-dichlorophenoxyacetic acid in bean plants. Arch. Biochem. Biophys. 38: 207-218. 1952. 5. MITCHELL, J. W. and BROW-N, J. W. Movement of 2,4-dichlorophenoxyacetic acid stimulus and its relation to the tra...

A new extraclion system has been designed and constructed which allows the extraction of gases from air bubbles in ice without melting it. The ice sample of abollt 500 g is crushed in an evacuated container by a milling cutter, and the gas escaping from the opened bubbles is collected by condensation at 15 K. Results of CO 2 analyses of extracted gases a re discussed with respcCI to possible co...

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An adaption of the original HLL scheme for the one-dimensional nonconservative Euler system modeling gaz flow in variational porosity media is proposed . Numerical scheme is detailed and algorithm is tested with two Riemann problems.