The summer activities of the 44th Japanese Antarctic Research Expedition (JARE-44) in 2002-2003 on board the Antarctic research vessel Shirase and at and around Syowa Station, Antarctica are reported.JARE-44 members on board the Shirase included forty members of the wintering party and seventeen members of the summer party.The summer party and wint
Adelie penguin colonies were surveyed throughout ice-free areas in Amundsen Bay, Enderby Land, simply boho classroom from a helicopter on 23 December 1998.The locality and number of breeding pairs of three newly discovered colonies, in addition to a known colony are described.In total, about 9760 pairs of Adelie penguins breed in a&d ej-123 the fou
ObjectiveIn order to study the active design method of normal circular arc tooth profile pure rolling cylindrical gears based on meshing line equations, to gain a deeper understanding of the meshing characteristics of this new type of gears, including contact marks and non load transmission errors, and to better grasp the effects of center distance
Urban ecological problems are associated with industrial pollution emissions, waste of metallurgical production, unhealthy lifestyle and reproductive behavior lead to a steady rise in click here cancer pathology in theChelyabinskregion.Women in early reproductive age living in areas of ecological concern with suspected mastopathies, exhibit signifi
Stuffing box seals are the most common type of pump rotor seals because they are adjustable and periodically restorable assemblies during operation.Based on the study of physical processes, a sealing mechanism model of the stuffing box seal is formed as a combination of two successive hydraulic resistances: a pre-switch resistance, which is similar