نتایج جستجو برای: unstable level
تعداد نتایج: 1124000 فیلتر نتایج به سال:
Recent debate has considered the connection between self-esteem and aggression. The present study attempted to clarify this association by examining the possibility that self-esteem instability moderates the association that self-esteem level has with aggression. Perceived aggression was measured in 234 (34 men and 200 women) undergraduate participants. These participants were then evaluated by...
We study the equilibria of a self-gravitating scalar field in the region outside a reflecting barrier. By introducing a potential difference between the barrier and infinity, we create a kink which cannot decay to a zero-energy state. In the realm of a small amplitude, the kink decays to a known static solution of the Einstein-Klein-Gordon equation. However, for larger kinks the static equilibr...
The experiments performed in our laboratory revealed that able-bodied subjects use four different high-level control strategies to maintain stable quiet standing, and that there is a direct correlation between these control strategies and the position of the subject's center of pressure (COP). The overall COP area was divided into four zones: a high preference zone, a low preference zone, an un...
Physics based collapse simulations of moment resisting steel frame buildings are presented with an emphasis on the development of energy flow relationships. It is proposed that energy flow during progressive collapse can be used in evaluation of moment resisting, steel frame building behavior and specifically, localized failure. If a collapsing structure is capable of attaining a stable energy ...
A coronal heating model is proposed which predicts heating by a series of discrete events of various energies, analogous to the observed range of events from large scale flares through various transient brightening phenomena down to the often discussed “nanoflares”. We suggest that an energy release event occurs when a field becomes linearly unstable to ideal MHD modes, with dissipation during ...
As software evolves, maintenance practices require a process of accommodating changing requirements while minimizing the cost of implementing those changes. Over time, incompatabilities between design assumptions and the operational environment become more pronounced, requiring some regions of the implementation to require frequent or repeated modification. These regions are considered to be “u...
We assumed that the four gluino containing R-hadrons are the lightest hadrons which contain the LSP. The lighest among these is stable and the other three can deacy into it. Gluon-quark-quark bound state is not observed in nature. One asumption is that it is a repulsive channel in non-purturbative QCD and consequently unstable. On the other hand glueballs are observed and have a finite mass and...
An open system consisting of a scalar field bound to a Kerr black hole whose mass (M) and specific angular momentum (a) are slowly (adiabatically) perturbed is considered. The adiabatically induced phase and the conditions for the validity of the adiabatic approximation are obtained. The effect of closed cycles in parameter space (a, M plane) on the energy levels of both stable and unstable sca...
The paper describes a simple, two-stage instrumental variable method of closed loop identification and estimation. This can be used with both continuous and discrete-time transfer function models and the enclosed system can be unstable. The paper also shows briefly how a third stage of estimation can be added that induces statistical efficiency when the enclosed system is stable.
we describe a patient with hypercalcemia associated with the injection of high doses vitamin d as supplement for a period of six months. a 76-year-old woman had been taking an intramuscular injection of vitamin d 300,000 iu every ten days for six months. she was hospitalized with symptoms of hypercalcemia: chronic constipation, unstable gait, a chronic generalized musculoskeletal pain and incre...
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