نتایج جستجو برای: pom

تعداد نتایج: 1613  

Journal: :Development 2005
Nicolas Matt Valérie Dupé Jean-Marie Garnier Christine Dennefeld Pierre Chambon Manuel Mark Norbert B Ghyselinck

Using genetic approaches in the mouse, we show that the primary target tissue of retinoic acid (RA) action during eye morphogenesis is not the retina nor the corneal ectoderm, which both express RA-synthesizing retinaldehyde dehydrogenases (RALDH1 and RALDH3), but the neural crest cell-derived periocular mesenchyme (POM), which is devoid of RALDH. In POM, the effects of the paracrine RA signal ...

2017
Huixia Liu Yingjie Jiang Wensheng Tan Xiao Wang

Due to their large compatibility difference, polyethylene (PE) and polyoxymethylene (POM) cannot be welded together by laser transmission welding. In this study, PE and POM are pretreated using plasma that significantly enhances their laser transmission welding strength. To understand the mechanism underlying the laser welding strength enhancement, surface modification is analyzed using contact...

Journal: :Advanced sustainable systems 2022

The direct conversion reaction of glucose to 5-hydroxymethylfurfural (HMF) is studied using metal organic framework (MOF) as Lewis-acid catalysts and a polyoxometalate (POM), silicotungstic acid, Brønsted-type acid with mixture 1% solution in ?-valerolactone (GVL)-10% H2O at 140 °C. study carried out two routes: one MOF POM tandem added independently the other through synthesis composite materi...

Journal: :Nigerian Journal of Animal Production 2021

A 16-week feeding trial, involving 18 weaner pigs in a randomized complete block design, was carried out to determine the value of poultry offal meal (POM) as protein supplement for grower at three dietary levels, 0%, 10% and 20%. Liveweight gain, dressing percentage backfat thickness were significantly (<0.05) higher fed 20% POM level. The cut parts, heart, liver kidney, also increased with...

2013
Mario Lebrato Pedro de Jesus Mendes Deborah K. Steinberg Joan E. Cartes Bethan M. Jones Laura M. Birsa Roberto Benavides Andreas Oschlies

Sinking of gelatinous zooplankton biomass is an important component of the biological pump removing carbon from the upper ocean. The export efficiency, e.g., how much biomass reaches the ocean interior sequestering carbon, is poorly known because of the absence of reliable sinking speed data. We measured sinking rates of gelatinous particulate organic matter (jelly-POM) from different species o...

Journal: :Dalton transactions 2010
Shun Zhao Congliang Sun Lei Wang Xiaobin Xu Xiaohong Wang

A novel route to facilitate the degradation of phenol is reported. This new approach is based on a micellar polyoxometalate (POM) catalytic system. The micellar POM catalyst could promote phenol molecules' degradation into a simple inorganic compound such as CO2 using only air as an oxidant under room conditions. The results of the recycling experiment suggests that the micellar POMs may be use...

2010
Anabela Carvalho

Production systems design is critical to achieving manufacturing performance and objectives. Although generic approaches to this design are available they may not be able to objectively address specific manufacturing configurations. Here it is argued that product oriented manufacturing (POM) organization offers advantages in relation to the function oriented one. Based on this, a methodology sp...

Journal: :Inorganic chemistry 2017
Ahmed Al-Yasari Nick Van Steerteghem Hayleigh Kearns Hani El Moll Karen Faulds Joseph A Wright Bruce S Brunschwig Koen Clays John Fielden

Ten organoimido polyoxometalate (POM)-based chromophores have been synthesized and studied by hyper-Rayleigh scattering (HRS), Stark and Resonance Raman spectroscopies, and density functional theory (DFT) calculations. HRS β0 values for chromophores with resonance electron donors are significant (up to 139 × 10-30 esu, ∼5 times greater than that of the DAS+ cation), but systems with no donor, o...

Journal: :European journal of endocrinology 2016
Pablo Valderrabano Marino E Leon Barbara A Centeno Kristen J Otto Laila Khazai Judith C McCaffrey Jeffery S Russell Bryan McIver

OBJECTIVE Several molecular marker tests are available to refine the diagnosis of thyroid nodules. Knowing the true prevalence of malignancy (PoM) within each cytological category is considered necessary to select the most appropriate test and to interpret results accurately. We describe our institutional PoM among cytological categories and report our experience with molecular markers. DESIG...

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