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تعداد نتایج: 2842362 فیلتر نتایج به سال:
objective(s): the beneficial and more potent role of exercise to prevent heart apoptosis in ovariectomized rats has been known. the aim of this study was to examine the effects of swimming training on cardiac expression of bcl-2, and mir-133 levels and glycogen changes in the myocyte. materials and methods: forty animals were separated into four groups as control, sham, ovariectomy (ovx) and ov...
The western gray whale population (Eschrichtius robustus) is critically endangered and its potential for recovery is uncertain. Along with other natural and anthropogenic threats, western gray whales are susceptible to nutritional stress, known from regular observations of individual whales in compromised body condition. Thus, the ability to visually quantify the relative body condition of free...
OBJECTIVES To review the incidence of all rugby-associated cervical spine injuries in the Western Cape and identify risk factors. METHODS We reviewed case notes and X-rays of 27 male patients with rugby-related cervical spine injuries treated in the acute spinal injury (ASCI) unit at Groote Schuur Hospital from April 2003 to June 2008, and followed up with telephone interviews. Patient profil...
Surface meltwater can refreeze within firn layers and crevasses to warm ice through latentheat transfer on decadal to millennial timescales. Earlier work posited that the consequent softening of the ice might accelerate ice flow, potentially increasing ice-sheet mass loss. Here, we calculate the effect of meltwater refreezing on ice temperature and softness in the Pâkitsoq (near Swiss Camp) and...
How we represent animals both reflects our attitudes towards them and affects our treatment of them. The donkey has lived alongside humans, bearing their burdens since the time of their domestication over 10,000 years ago. Despite this, they have invariably enjoyed a low status in human cultures, received little appreciation and been treated harshly. We view some animals as being more worthy th...
The western Pacific subtropical high (WPSH) is closely related to Asian climate. Previous examination of changes in the WPSH found a westward extension since the late 1970s, which has contributed to the interdecadal transition of East Asian climate. The reason for the westward extension is unknown, however. The present study suggests that this significant change of WPSH is partly due to the atm...
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