نتایج جستجو برای: pom analyses

تعداد نتایج: 386585  

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1998
J Balthazart P Absil M Gérard D Appeltants G F Ball

Central testosterone aromatization is required for the activation of both appetitive (ASB) and consummatory (CSB) male sexual behavior in Japanese quail. There are two major clusters of aromatase immunoreactive (ARO-ir) cells in the rostral forebrain; these outline the nucleus preopticus medialis (POM) and the nucleus striae terminalis (BST). We investigated the role of these nuclei in the regu...

Journal: :Dalton transactions 2010
Chullikkattil P Pradeep De-Liang Long Leroy Cronin

The synthetic engineering of anionic polyoxometalate (POM) clusters with predefined properties tailored to specific applications is a great challenge using routine "one-pot" POM syntheses. Under such conditions, difficulties often arise from the multitude of complex reaction pathways and self-assembly processes occurring in solution. In this respect the major role of the charge balancing cation...

2009
A. C. Alves S. Carmo-Silva

The Product Oriented Manufacturing (POM) concept here presented addresses competition in today’s changing global market of manufacturing companies. It is a challenge to the Function Oriented Manufacturing (FOM) concept supposedly adequate for dealing with demand changes and large product variety without needing reconfiguration. The POM concept evolves from the traditional cellular manufacturing...

Journal: :The journal of physical chemistry. B 2010
Andreas S Poulos Doru Constantin Patrick Davidson Marianne Impéror Patrick Judeinstein Brigitte Pansu

Using pulsed gradient spin-echo NMR, we studied molecular self-diffusion in aligned samples of a hybrid lyotropic lamellar L(alpha) phase. This composite organic-inorganic material was obtained by doping the lamellar phase of the nonionic surfactant Brij-30 with the [PW(12)O(40)](3-) polyoxometalate (POM). Both water and POM self-diffusion display a large anisotropy, as diffusion is severely re...

2016
Kirsty J. Morris Brian J. Bett Jennifer M. Durden Noelie M. A. Benoist Veerle A. I. Huvenne Daniel O. B. Jones Katleen Robert Matteo C. Ichino George A. Wolff Henry A. Ruhl

Sinking particulate organic matter (POM, phytodetritus) is the principal limiting resource for deep-sea life. However, little is known about spatial variation in POM supply to the abyssal seafloor, which is frequently assumed to be homogenous. In reality, the abyss has a highly complex landscape with millions of hills and mountains. Here, we show a significant increase in seabed POM % cover (by...

Journal: :The European respiratory journal 2002
J P van Meerbeeck R A M Damhuis M L Vos de Wael

The present study investigated postoperative mortality (POM), its predictors and relationship with long-term survival in patients who underwent surgery for lung cancer. The 30-day mortality after thoracotomy in 1,830 patients from the Flemish multicentre hospital-based lung cancer registry was analysed according to patient, tumour, treatment and hospital characteristics and compared with 5-yr s...

Journal: :Soft matter 2014
Liying Zhang Haolong Li Lixin Wu

The block copolymers (BCs), as structure-directing agents, co-assembling with nanoscale inorganic additives is an important route to fabricate nanostructured hybrid materials. In this work, we present a facile approach to fabricate hybrid micelles composed of BCs and polyoxometalates (POMs), in which the POM clusters are premodified with the groups that can specifically interact with a certain ...

2009
Laura Lorenzoni Robert C Thunell Claudia R. Benitez-Nelson David Hollander Nahysa Martinez Eric Tappa Ramón Varela Yrene Astor Frank E. Muller-Karger

Optical transmissometer measurements were coupled with particulate organic matter (POM) observations to understand suspended sediment composition and distribution in the eastern Cariaco Basin during the rainy seasons of September 2003 and 2006. Our results suggest that nepheloid layers originating at the mouth of small mountainous rivers discharging into the eastern Basin are a major delivery m...

2007
K. Mintenbeck T. Brey

The stable nitrogen isotope ratio (dN) is an established indicator of trophic hierarchy in marine food-web studies. Most of these studies presume that spatial variation in the primary food source is negligible, although a water-depthrelated increase in dN of particulate organic matter (POM) has been found in many systems. We used the high-Antarctic Weddell Sea shelf and slope ecosystem to test ...

2014
R. Hemanth M. Sekar B. Suresha

Thermoplastic copolyester elastomer (TCE) and Polyoxymethylene (POM) filled polytetrafluroethylene (PTFE) composite, reinforced with short glass fiber (SGF) and different shape microfillers such as short carbon fiber (SCF), silicon carbide (SiC) and alumina (Al2O3) were prepared by melt mixing method using twin screw extruder followed by injection moulding. Mechanical properties such as tensile...

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