Results 31 to 40 of about 1,936,418 (346)

Operational Phase Operators and Hermitian Phase Operators [PDF]

Progress of Theoretical Physics, 2003
Summary: It is shown that there exist two kinds of operational (or measured) phase operators, those of the Hradil type [\textit{Z. Hradil}, Phys. Rev. A 47, 4532--4534 (1993)] defined on the entire Hilbert space, and those of the Noh-Fougères-Mandel type [\textit{J. W. Noh, A. Fougères} and \textit{L. Mandel}, Phys. Rev.
openaire   +3 more sources

On the operational calculus for groups of operators [PDF]

Proceedings of the American Mathematical Society, 1970
We study some compactness properties of the natural operational calculus for groups of operators.
openaire   +2 more sources

Intraoperative vasopressor use and early postoperative acute kidney injury in elderly patients undergoing elective noncardiac surgery

Renal Failure, 2022
Background Intraoperative hypotension is a risk factor for postoperative acute kidney injury (AKI). Elderly patients are susceptible due to reduced responses to acute hemodynamic changes.Aims Determine the association between hypotension identified from ...
Dilshan Ariyarathna, Ajinkya Bhonsle, Joseph Nim, Colin K. L. Huang, Gabriella H. Wong, Nicholle Sim, Joy Hong, Kirrolos Nan, Andy K. H. Lim   +8 more
doaj   +1 more source

Extended scope of nursing practice: a multicentre randomised controlled trial of appropriately trained nurses and pre-registration house officers in pre-operative assessment in elective general surgery [PDF]

, 2001
Aim/ Principal Research Question:1) To determine whether pre-operative assessment carried out by an appropriately trained nurse (ATN) is equivalent in quality to that carried out by a pre-registration house officer (PRHO).2) To assess whether pre ...
Alhameed, H., Czoski-Murray, C., Fernandez, N., George, S., Healy, C., Janke, E., Kinley, H., McCabe, C., National Coordinating Centre for Health Technology Assessments, Nicolson, P., Norman, J., Primrose, J., Read, S., Reilly, C., Thomas, E., Wood, R.   +15 more
core   +1 more source

Operators Approximable by Hypercyclic Operators [PDF]

Mathematical Proceedings of the Royal Irish Academy, 2015
We show that operators on a separable infinite dimensional Banach space $X$ of the form $I +S$, where $S$ is an operator with dense generalised kernel, must lie in the norm closure of the hypercyclic operators on $X$, in fact in the closure of the mixing operators.
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Intra-operative blood salvage in total hip and knee arthroplasty [PDF]

, 2016
Purpose To review records of 371 patients who underwent total hip or knee arthroplasty (THA or TKA) with intra-operative blood salvage to determine the allogeneic blood transfusion rate and the predictors for allogeneic blood transfusion. Methods Records
Beller, Elaine, Dan, Michael, Liu, David, Martos, Sara Martinez   +3 more
core   +1 more source

Operators Commuting with Positive Operators [PDF]

Proceedings of the American Mathematical Society, 1979
Necessary and sufficient conditions are obtained for an operator to commute with a positive operator.
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The Effect of Collagen Membrane Fixation with Pins on Buccal Bone Regeneration in Immediate Dental Implant Sites: A Preclinical Study in Dogs

Journal of Functional Biomaterials
Background: The role of collagen membrane fixation during guided bone regeneration (GBR) remains debatable, particularly in post-extraction sockets with buccal defects and concomitant immediate implant placement.
Yuma Hazama, Takahisa Iida, Niklaus P. Lang, Fernando M. Muñoz Guzon, Giovanna Iezzi, Daniele Botticelli, Shunsuke Baba   +6 more
doaj   +1 more source

Comparison of effects of two analgesia methods on surgery for developmental dysplasia of the hip in children [PDF]

Vojnosanitetski Pregled
Background/Aim. Surgery for developmental dysplasia of the hip (DDH) often needs acetabuloplasty and femoral osteotomy. This type of operation is characterized by long duration, major trauma, and severe postoperative pain.
Peng Bing, Zhang Xifeng, Li Gu, Jiang Wenxu   +3 more
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To operate or not to operate

GMS Current Posters in Otorhinolaryngology - Head and Neck Surgery, 2011
82.
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