This paper deals with a levelling machine for a seedling bed of a rice plant, which is a labor saving device in agricultural work.In order to make the seedling bed flat, the levelling machine vibrates by rotary motion of an eccentric rotor and presses the ground by the base plate of the machine.It is found that at a specific rotating speed, the mac
A very powerful proteinaceous inhibitor of metallocarboxypeptidases has been isolated from the marine snail Nerita versicolor and characterized in depth.The most abundant of four, very similar isoforms, NvCla, was taken as Vacuum Wine Pumps reference and N-terminally sequenced to obtain a 372-nucleotide band coding for the protein cDNA.The mature p
ABSTRACT Introduction: historically, surgical medical specialties are mostly male, a scenario which, in recent years, has undergone changes.In this sense, despite Activewear the relevance of the growth of female participation in the medical career, little is discussed about the distribution between genders of the main surgical medical specialties i