نتایج جستجو برای: g23 h55 j32
تعداد نتایج: 522 فیلتر نتایج به سال:
We prove the no-go theorem that the gravivector (h5μ) and graviscalar (h55) cannot have the massless modes on the RS brane. We analyze this model with the de Donder gauge (5D transverse-tracefree gauge). It turns out that h55 does not have any bulk (massive) and brane (massless) propagations. On the other hand, although h5μ has a kind of massive propagation, it does not have any massless propag...
This paper examines household decisions about whether or not to annuitize retirement resources. A lifecycle model of consumption, implemented with the use of dynamic programming techniques, is used to construct a utility-based measure of annuity value for individuals and couples in the Health and Retirement Survey. Variation in the calculated “annuity equivalent wealth” arises from differences ...
To get clues about the genes as well as the gene regulatory circuit controlling the lytic development of temperate mycobacteriophage L1, previously we screened several conditional lethal mutants of L1 and characterized some of them to an extent. One of the mutants, L1 G23ts23, was found defective in both growth and late gene transcription at 42 degrees C but not at 32 degrees C. Here we show th...
A halophilic actinomycete strain, designated H55(T), was isolated from Saharan soil sampled in the Mzab region (Ghardaïa, southern Algeria) and was characterized in a taxonomic study using a polyphasic approach. The cell wall was determined to contain meso-diaminopimelic acid and the characteristic whole-cell sugars were arabinose and galactose. The predominant menaquinones were found to be MK-...
The three-dimensional structure of 132microglobulin, the light chain of the major histocompatibility complex class I antigens, has been determined by x-ray crystallography. An electron density map of the bovine protein was calculated at a nominal resolution of 2.9 A by using the methods of multiple isomorphous replacement and electron density modification refinement. The molecule is approximate...
This introduces the symposium on financial economics. JEL Classification Codes: G01, G02, G11, G12, G18, G21, G23, G28
چالشهای متعدد پیشروی صندوقهای بازنشستگی در کشور از جمله تغییرات جمعیتی و افزایش عمر، پیشیگرفتن تعداد مستمریبگیران از تعداد شاغلین، بدهیهای کلان دولت به صندوقهای بازنشستگی، عدم مدیریت سرمایهگذاری کارآمد وجوه بازنشستگی و...، بازنگری جدی در ترتیبات فعلی نظام بازنشستگی را لازم میآورد. یکی از بدیلهای مناسب که در دنیا مورد استفاده قرار میگیرد، بهرهگیری از طرحهای بازنشستگی خصوصی و مکمل اس...
This paper provides a brief overview of the theoretical literature on how organisations provide employees with incentives to act in its interest and on the suitability of incentive schemes in different environments. Attention is drawn to areas that are appropriate to public sector organisations. A selection of relevant empirical literature is reviewed and related to the theory. JEL Classificati...
The effect of bactericidal UV-C treatments (254 nm) on Escherichia coli O157:H7 suspended in apple juice increased synergistically with temperature up to a threshold value. The optimum UV-C treatment temperature was 55 °C, yielding a 58.9% synergistic lethal effect. Under these treatment conditions, the UV-heat (UV-H55 °C) lethal variability achieving 5-log reductions had a logistic distributio...
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