نتایج جستجو برای: near pole polar diagram
تعداد نتایج: 381492 فیلتر نتایج به سال:
The serm morphological, spin-axial, polar antipodal congruencies of Earth, Mars, Venus, extremely unlikely to have happened randomly, are concentric with hemispheric dichotomies, consistent with super huge impact tectonogenesis, otherwise inexplicable. The hemispheric dichotomies of Mars and Venus must be the effects of super huge impacts centred at what more or less were during Johnstonian imp...
In E. coli, accurate cell division depends upon the oscillation of Min proteins from pole to pole. We provide a model for the polar localization of MinD based only on diffusion, a delay for nucleotide exchange, and different rates of attachment to the bare membrane and the occupied membrane. We derive analytically the probability density, and correspondingly the length scale, for MinD attachmen...
High temperature impact melt breccias from the Rochechouart (France) meteorite crater record a magnetization component with antipodal, normal and reverse polarities. The corresponding paleomagnetic pole for this component lies between the 220 Ma and 210 Ma reference poles on the Eurasian apparent polar wander path, consistent with the 214±8 Ma Ar/Ar age of the crater. Late Triassic tectonic rec...
We report the magnetocaloric effect of a bilayered perovskite ruthenate Ca3Ru2O7 that has recently been recognized as an antiferromagnetic polar metal. The magnetic entropy change obtained from temperature dependence DC magnetization measurements shows peaks and valleys under field near metamagnetic transitions, enable us to map out thermodynamic field–temperature phase-diagram. area surrounded...
We present high-resolution studies of the solar polar magnetic elds near sunspot maximum in 1989 and towards sunspot minimum in 1995. We show that, in 1989, the polar latitudes were covered by several unipolar regions of both polarities. In 1995, however, after the polar eld reversal was complete, each pole exhibited only one dominant polarity region. Each unipolar region contains magnetic knot...
A prospective study on intracytoplasmic sperm injection (ICSI) was performed to evaluate the effect of the position of the polar body relative to the opening of the injection needle during sperm injection, and of the person who performs the injections on fertilization, cleavage, and pregnancy rates. This study included 173 couples undergoing 313 ICSI cycles from September 1995 to December 1997....
The ultrastructure of somatic mitosis in the germlings of Apoglossum ruscifolium, Kylin, fixed from its natural habitat, was examined to investigate spindle-pole development and the role of the 'polar ring'. It was found that the polar ring originates from a special nuclear pore raised above a small projection of the nuclear envelope. The initiation of mitotic polarity takes the form of changes...
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