نتایج جستجو برای: crb

تعداد نتایج: 935  

Journal: :Development 2003
Sang-Chul Nam Kwang-Wook Choi

Apicobasal cell polarity is crucial for morphogenesis of photoreceptor rhabdomeres and adherens junctions (AJs) in the Drosophila eye. Crumbs (Crb) is specifically localized to the apical membrane of photoreceptors, providing a positional cue for the organization of rhabdomeres and AJs. We show that the Crb complex consisting of Crb, Stardust (Sdt) and Discs-lost (Dlt) colocalizes with another ...

2008
Esa Ollila Visa Koivunen Jan Eriksson

We derive a complex form of the unconstrained and constrained Cramér-Rao lower bound (CRB) of composite real parameters formed by stacking the real and imaginary part of the complex parameters. The derived complex constrained and unconstrained CRB is easy to calculate and possesses similar structure as in the real parameter case but with the real covariance, Jacobian and the Fisher information ...

2001
Alex B. Gershman Marius Pesavento Petre Stoica Erik G. Larsson

The stochastic Cramér-Rao bound (CRB) plays an important role in array processing because several high-resolution direction-ofarrival (DOA) estimation methods are known to achieve this bound asymptotically. In this paper, we study the stochastic CRB on DOA estimation accuracy in the general case of arbitrary unknown noise field parametrized by a vector of unknowns. We derive explicit closed-for...

2008
Esa Ollila Hyon-Jung Kim

Despite of the increased interest in independent component analysis (ICA) during the past two decades, a simple closed form expression of the Cramér–Rao bound (CRB) for the demixing matrix estimation has not been established in the open literature. In the present paper we fill this gap by deriving a simple closedform expression for the CRB of the demixing matrix directly from its definition. A ...

Journal: :Biological Invasions 2023

Abstract Coconut rhinoceros beetle ( Oryctes ; CRB) was discovered in 2015 a small outbreak Honiara, Guadalcanal, Solomon Islands. This the first record of CRB from Islands and response plan prepared. An awareness programme launched where sightings were confirmed, delimitation surveys carried out. Following launch programme, later 2015, also reported Shortland Western Province. Other islands su...

2016
Yun-Xia Chen Jun-Yu Wang Shu-Bin Guo

BACKGROUND The quick Sepsis-related Organ Failure Assessment (qSOFA) is a new screening system for sepsis that has prognostic performance equal to the full SOFA for patients with suspected infection outside the intensive care unit (ICU). The predictive value of qSOFA for mortality and site of care in patients with pneumonia is not clear. The present study was designed to investigate the predict...

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Cold roll bonding (CRB) is a solid state welding process, where the bonding is established by compressive plastic deformation of the metals. This process is applicable for a large number of materials. In addition, materials that cannot be bonded by traditional fusion-based processesmight be bonded by CRB process. In this research, cold roll welding of brass and IF steel was studied .The effects...

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Cold roll bonding (CRB) is a solid state welding process, where the bonding is established by compressive plastic deformation of the metals. This process is applicable for a large number of materials. In addition, materials that cannot be bonded by traditional fusion-based processesmight be bonded by CRB process. In this research, cold roll welding of brass and IF steel was studied .The effects...

Journal: :Antimicrobial agents and chemotherapy 2005
Issam I Raad Hend A Hanna Maha Boktour Gassan Chaiban Ray Y Hachem Tanya Dvorak Russell Lewis Barbara E Murray

To evaluate the molecular characteristics and antibiotic susceptibility in biofilm of vancomycin-resistant Enterococcus faecium (VREF) organisms that had caused catheter-related VREF bacteremia (VREF-CRB), we compared 22 isolates causing bacteremia obtained from patients with VREF-CRB with 30 isolates from control patients with gastrointestinal colonization by VREF. Using pulsed-field gel elect...

Journal: :Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme 2009
Kelly Pritchett Philip Bishop Robert Pritchett Matt Green Charlie Katica

To maximize training quality, athletes have sought nutritional supplements that optimize recovery. This study compared chocolate milk (CHOC) with a carbohydrate replacement beverage (CRB) as a recovery aid after intense exercise, regarding performance and muscle damage markers in trained cyclists. Ten regional-level cyclists and triathletes (maximal oxygen uptake 55.2 +/- 7.2 mL.kg(-1).min(-1))...

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