410 resultados para fluazifop-p-butil fomesafen
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Olsen-P0100cm,,Olsen-P020cm,2040cm,40100cm,020cmOlsen-P>>,Olsen-P;20100cmOlsen-P,,020cmOlsen-P,Olsen-P
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The heat capacities of p-chlorobenzoic acid were measured in the temperature range from 80 to 580 K by means of an automatic adiabatic calorimeter equipped with a small sample cell of internal volume of 7.4cm(3). The construction and procedures of the calorimetric system were described in detail. The performance of this calorimetric apparatus was evaluated by heat capacity measurements on alpha-Al2O3. The deviations of experimental heat capacities from the corresponding smoothed values lie within +/-0.28 per cent, while the inaccuracy is within +/-0.40 per cent, compared with the recommended reference data in the whole experimental temperature range. A fusion transition at T = 512.280 K was found from the C-p-T curve of p-chlorobenzoic acid. The enthalpy and entropy of the phase transition, as well as the thermodynamic functions {G((T)) - G((298.15))}, {H-(T) - H-(298.15)} and {S-(T) - S-298.15}, were derived from the heat capacity data. The mass fraction purity of p-chlorobenzoic acid sample used in the present calorimetric study was determined to be 0.99935 by fraction melting approach. (C) 2002 Elsevier Science Ltd. All rights reserved.
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,,,,,P;,,;,,
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2 3NPNP . ,NP , 2 1 2 3% , .NP . ,N 1 .6 3.7 .N 2 .5% .
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NP,,,NP,,3:3;
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,Astragalus membranaceus(Fisch.)A.membranaceus(Fisch.)Bge.Var.mongolicusBge.Hsiao.[1],,,,,[2-4],,,,[5,6],,,,,,,,...
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F8,F8,WPM,6-BAIAA,1~7 mg/L 6-BA0.5~3.0 mg/L IAA,3.0 mg/L 6-BA+2.0 mg/L IAA,90%,5.22
