نتایج جستجو برای: renewal energy

تعداد نتایج: 683612  

Journal: :Blood 2009
David G Kent Michael R Copley Claudia Benz Stefan Wöhrer Brad J Dykstra Elaine Ma John Cheyne Yongjun Zhao Michelle B Bowie Yun Zhao Maura Gasparetto Allen Delaney Clayton Smith Marco Marra Connie J Eaves

Hematopoietic stem cells (HSCs) are generally defined by their dual properties of pluripotency and extensive self-renewal capacity. However, a lack of experimental clarity as to what constitutes extensive self-renewal capacity coupled with an absence of methods to prospectively isolate long-term repopulating cells with defined self-renewal activities has made it difficult to identify the essent...

2017
Song Baek Na Rae Han Jung Im Yun Jae Yeon Hwang Minseok Kim Choon Keun Park Eunsong Lee Seung Tae Lee

Despite the fact that porcine embryonic stem cells (ESCs) are a practical study tool, in vitro long-term maintenance of these cells is difficult in a two-dimensional (2D) microenvironment using cellular niche or extracellular matrix proteins. However, a three-dimensional (3D) microenvironment, similar to that enclosing the inner cell mass of the blastocyst, may improve in vitro maintenance of s...

Journal: :Annals of Surgery 2004

Journal: :Health Education & Behavior 2011

Journal: :SCIENTIA SINICA Mathematica 2017

Journal: :Animal Learning & Behavior 2007

Journal: :Property Management 2005

Journal: :CIRUGIA PARAGUAYA 2018

Journal: :Rel. Eng. & Sys. Safety 2008
Jan M. van Noortwijk Johannes A. M. van der Weide

For optimising maintenance, the total costs should be computed over a bounded or unbounded time horizon. In order to determine the expected costs of maintenance, renewal theory can be applied when we can identify renewals that bring a component back into the as-good-as-new condition. This publication presents useful computational techniques to determine the probabilistic characteristics of a re...

Journal: :Physiology & behavior 2015
Lauren C Anderson Gorica D Petrovich

Cues associated with food can stimulate food anticipation, procurement, and consumption, independently of hunger. These and other behaviors driven by learned cues are persistent and can reappear after extinction, because the original learned associations continue to exist. Renewal, or reinstatement, of extinguished conditioned behavior may explain the inability to change maladaptive eating habi...

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