نتایج جستجو برای: 491

تعداد نتایج: 2551  

2015
Sevag Gharibian Stephen Hawking

In the past two lectures, we have discussed measurements and entanglement. We now combine these two topics to discuss one of the most fundamental questions in quantum theory: Does entanglement as we understand it actually exist in Nature? Recall that in 1935, Einstein, Podolsky and Rosen (EPR) argued that quantum mechanics could not be a complete physical theory due to its prediction of states ...

Journal: :The Journal of pharmacology and experimental therapeutics 1998
D H Albert P E Malo P Tapang T K Shaughnessy D W Morgan C D Wegner M L Curtin G S Sheppard L Xu S K Davidsen J B Summers G W Carter

Platelet-activating factor (PAF) may be an important mediator of allergic rhinitis. In the present study we evaluated the effectiveness of a recently described PAF antagonist (ABT-491) in rat and guinea pig models of allergic rhinitis. PAF, when perfused through the nasal passages of anesthetized Brown Norway rats, provoked an acute increase, measured as dye leakage, in nasal vascular permeabil...

Journal: :World Allergy Organization Journal 2012

2007
Neil P. J. Price Billyana Tsvetanova

Tunicamycins are nucleotide sugar analogs produced by several Streptomyces species. In eukaryotes, tunicamycins inhibit UDP-N-acetylglucosamine: dolichol phosphate GlcNAc-1-P transferase (GPT) that catalyzes the first step in protein glycosylation. In bacteria they inhibit UDP-N-acetylmuramoyl-pentapeptide: undecaprenol phosphate MurNAc-pentapeptide-1-P transtransferase (MraY) that catalyzes an...

2007
Liesbeth I. N. Mazyn Matthieu Lenoir Gilles Montagne

The authors studied changes in performance and kinematics during the acquisition of a 1-handed catch. Participants were 8 women who took an intensive 2-week training program during which they evolved from poor catchers to subexpert catchers. An increased temporal consistency, shift in spatial location of ball–hand contact away from the body, and higher peak velocity of the transport of the hand...

2014
Hariharan Narayanan

We have so far proved a number of equivalent characteristic properties of transient and recurrent states. Theorem 2.1. A state x in a finite Markov chain is transient iff it satisfies the following equivalent conditions: 1. The probability ρxx of returning to x, is less than 1. 2. Starting at x the expected number of returns to x, Ex(Nx) is finite. 3. In the Markov chain graph there is a direct...

2011
Brett D. Welch Christopher A. Kors Robert A. Lamb

*To whom correspondence should be addressed: RAL Dept. of Molecular Biosciences, 16 Northwestern University, 2205 Tech Drive, Evanston, IL 60208-3500 Telephone: 847-491-5433; 17 Fax: 847-491-2467; e-mail: [email protected]; or TSJ Department of Structural 18 Biology, Stanford University School of Medicine, Stanford, CA 94305; Telephone: 650-49819 4179; Fax: 650-723-4943; e-mail: tjardetz@...

2014

requirements specified in § 417.436 of this chapter. (e) If an adult individual is incapacitated at the time of admission or at the start of care and is unable to receive information (due to the incapacitating conditions or a mental disorder) or articulate whether or not he or she has executed an advance directive, then the provider may give advance directive information to the individual’s fam...

2014
Hariharan Narayanan

2.1 σ-field and Probability measure A sample space Ω and a collection F of subsets from Ω subject to the following conditions: 1. Ω ∈ F . 2. If A ∈ F , then its complement A ∈ F . 3. If A1, A2, ... is a finite or countably infinite sequence of subsets from F , then ⋃ Ai ∈ F . Any collection F satisfying these postulates is termed a σ-field or σ-algebra. Two immediate consequences of the definit...

Journal: :Genetics 2003
A H Sturtevant

INTRODUCTION. .................................................................. 488 Description of Drosophila simulans. ................................................ 488 Distribution of Drosophila simulans ................................................ 491 Discovery of Drosophila simulans. ................................................. 491 Drosophila melanogaster 0 X D . simulans 61. ....

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