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The planar form and two types of distorted molecular conformations in the ground electronic state for a number of metalloporphyrins in solid matrices exist simultaneously. A comparison of experimental data and results from quantum chemical calculations is discussed in order to analyze the structure of distorted porphyrin macrocycles at cryogenic temperatures.
Podjęto badania w celu określenia przydatności buhajów rasy belgijskiej biało-błękitnej do krzyżowania towarowego z krowami czarno-białymi. Analizowano: indeks unasiennień, liczbę wycieleń krów, długość trwania ciąży, masę ciała krów, ich kondycję po wycieleniu oraz masę ciała cieląt mieszańców po urodzeniu i ich żywotność. Wybrane krowy do inseminacji nasieniem 11 buhajów rasy belgijskiej biało-błękitnej...
Исследования охватывали 30 черно-пестрых нетелей, 30 нетелей - помесей шароле х черно-пестрая и 26 - помесей симментальская х красная польская. Нетелей содержали в одном стаде, применяя систе му загонной пастьбы. Животные поедали только зелёный пастбищный корм. Полученные результаты позволяют судить, что при откорме как чёрно-пёстрых, так и помесных нетелей можно использовать только пастбищный нагул...
Stall fattening took from 0.5 to 1.5 year of animal life. The young bulls were fed with bulhy and addition of concentrated foods. The hybrids gained 520 kg of body weight. Average daily gain was 0.959 kg. The hybrids charakterized with lower food consumption of nutritive components for 1 kg gain. After slaughter they shawed 2.3% higher carcase yield. The black- -white young bulls charakterized with...
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