نتایج جستجو برای: artificial collapse

تعداد نتایج: 323334  

Journal: :The Ulster Medical Journal 2008
P. S. Walker

culin treatment for three months each have not been included. The accompanying charts show the percentage of patients treated in each of the three ways who were fit for work after two, three, four, five, six, seven, eight, nine, and ten years from the time when they were first seen, Chart I relating to T.G. 1 and 2 cases, and Chart II to T.G. 3 cases. The superiority as regards working power of...

2000
Michael Gronau

We consider two SU(3) breaking parameters, R1(mB) and R2(mB), appearing in a relation between B → Kπ and B → ππ amplitudes, which plays an important role in determining the weak phase γ. We identify an isospin-related quantity R2(mD) measured in D decays, exhibiting large SU(3) breaking which is likely due to nonfactorizable effects. With a cautious remark about possible nonfactorizable SU(3) b...

2002
Andreas Ruschhaupt

In this paper, we develop a formalism describing in a relativistic way a system which consists of a classical and a quantum part being coupled. The formalism models one particle with spin 1 2 and it is a possible relativistic extension of the Event-Enhanced Quantum Theory. We postulate a covariant algorithm which plays the role of the standard reduction postulate in nonrelativistic quantum mech...

2011
ANON SUKSTRIENWONG

The study of the buyer coalition has been reviewed by researchers for decades. However, there are few schemes applying ant colony optimization (ACO) for forming buyer coalition. In this paper, the approach called the Ant Colony for Buyer Coalition (ACBC) algorithm is proposed to form the buyer coalition with bundles of items. The main endeavor of the algorithm is to partition the whole group of...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2014
Liang Li Saad Abdel-Sayed Denis Berdajs Piergiorgio Tozzi Ludwig K von Segesser Enrico Ferrari

OBJECTIVES During open heart surgery, so-called atrial chatter, a phenomenon due to right atria and/or caval collapse, is frequently observed. Collapse of the cava axis during cardiopulmonary bypass (CPB) limits venous drainage and may result downstream in reduced pump flow on (lack of volume) and upstream in increased after-load (stagnation), which in turn may both result in reduced or even in...

2003
TODD A. THOMPSON PHILIP A. PINTO

We present results from dynamical models of core-collapse supernovae in one spatial dimension, employing a newly-developed Boltzmann neutrino radiation transport algorithm, coupled to Newtonian Lagrangean hydrodynamics and a consistent high-density nuclear equation of state. The transport method is multi-group, employs the Feautrier technique, uses the tangent-ray approach to resolve angles, is...

2006
Stephen L. Adler

We study lower and upper bounds on the parameters for stochastic state vector reduction, focusing on the mass-proportional continuous spontaneous localization (CSL) model. We show that the assumption that the state vector is reduced when a latent image is formed, in photography or etched track detection, requires a CSL reduction rate parameter λ that is larger than conventionally assumed by a f...

Journal: :Geofluids 2023

Artificial water pumping and rainfall will induce groundwater level fluctuations, leading to large-scale karst collapse. Therefore, the combination of physical model test FLAC3D numerical simulation is adopted simulate soil cave collapse caused by three different initial fluctuations in this paper. The influence various heights on variation water-gas pressure, pressure overlying layer, deformat...

Nowadays, as a result of increased terrorist and bomb attacks throughout the globe in the vicinity of strategic buildings, designing these structures against impact loads, particularly the blast-related ones, has been taken into more consideration. The current procedure for designing the structure against an explosion is a design against the local failure of the current elements in the first st...

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