The spatial observation of a Bose condensate is reported. Dispersive light scattering was used to observe the separation between the condensed and normal components of the Bose gas inside a magnetic trap. This technique is nondestructive, and about a hundred images of the same condensate can be taken. The width of the angular distribution of scattered light increased suddenly at the phase trans...

mycobacterium avium subspecies paratuberculosis (map) is the cause of john’s disease also called paratuberculosis. this is economically one of the important infectious diseases in cattle and ruminant husbandry. this disease is manifested as granulomatosis entrocolitis, lymphadenitis and inflammation local lymphatic vessels. the typical sign of this disease is progressive loss of weight. cons...

background: the clinical evaluation, as one of the most important elements in medical education, must measure students’ competencies and abilities. the implementation of any assessment tool is basically dependent on the acceptance of students. this study tried to assess midwifery students’ satisfaction with direct observation of procedural skills (dops) and current clinical evaluation methods. ...

The present paper sought to examine the effectiveness of less experienced teachers' participationin experienced teachers' classes on students' achievements in terms of their proficiency levels inboth Elementary and Pre-intermediate levels. This quasi-experimental design study was conductedin three Language institutes in Tehran, Iran. Twenty-one EFL teachers were selected asexperienced and less ...