نتایج جستجو برای: inertia group
تعداد نتایج: 990683 فیلتر نتایج به سال:
in the present work properties of rossby and inertia gravity waves are investigated based on proper orthogonal decomposition (pod) functions. the pod functions are constructed using analytical, experimental or numerical data recorded as snapshots. the pod basis can be carried out to make a reduced order model by galerkin projection of governing equations onto these functions. in this paper, the...
Today, change is considered as a constant thing in organizations. Organizations will block their progress in the event that they do not have the changeable feature and ability to modify, and remain in their original framework. this characteristic of invariability and stagnation in the organization refers to organizational inertia. The purpose of this study was to analyze the role of organizatio...
With increasing influence of variable speed wind turbines in power systems, the equivalent inertia of network is reduced. Accordingly, after the occurrence of disturbance in system, the frequency fluctuations in power systems increase. To overcome this problem, a supplementary control loop is added to the converter of the variable speed wind turbine in order to share the inertia of this type of...
in this paper, we study the extremal ranks and inertias of the hermitian matrix expression $$ f(x,y)=c_{4}-b_{4}y-(b_{4}y)^{*}-a_{4}xa_{4}^{*},$$ where $c_{4}$ is hermitian, $*$ denotes the conjugate transpose, $x$ and $y$ satisfy the following consistent system of matrix equations $a_{3}y=c_{3}, a_{1}x=c_{1},xb_{1}=d_{1},a_{2}xa_{2}^{*}=c_{2},x=x^{*}.$ as consequences, we g...
reliability investigation has always been one of the most important issues in power systems planning. the outages rate in power system reflects the fact that more attentions should be paid on reliability indices to supply consumers with uninterrupted power. using reliability indices in economic dispatch problem may lead to the system load demand with high reliability and low probability of powe...
abstract the present study tried to investigate the effect of visual aids (films) on the development of the speech act of disagreement among iranian efl intermediate learners. to this end, the researcher selected 40 homogeneous intermediate learners based on their scores on oxford placement test. .the subjects then divided into control group and experimental group. both classes were tested by ...
Introduction: Thermal inertia derived from Thermal Emission Spectrometer (TES) data at 20-ppd [1-2] is the highest spatial resolution global thermal inertia dataset currently available. This valuable dataset is important for understanding regional variations in thermal inertia, and for inferring the physical nature of the surface at 10s to 100s of km scales. However, the resolution of TES (~3 k...
Abstract The class of abelian p -groups with minimal full inertia, that is, satisfying the property fully inert subgroups are commensurable invariant is investigated, as well groups not this property; it known both direct sums cyclic and torsion-complete first type. It proved “small" endomorphism ring do satisfy concrete examples them provided via Corner’s realization theorems. Closure properti...
Dystocia means difficult birth or inability to expel foetuses through the birth canal. The aetiology of dystocia may be maternal or foetal. Primary uterine inertia is the most common reason for dystocia in the bitch approaching 75% of the cases. The objective of this thesis was to investigate the incidence of dystocia and to find causes of primary uterine inertia. Also the treatment regimes for...
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