نتایج جستجو برای: ha film

تعداد نتایج: 150099  

Journal: :AMSAB Tijdingen 1970

Journal: :Revista Mexicana de Ciencias Políticas y Sociales 1990

2015
Li-fang Wang Zhou-ping Shangguan

Mulching and tillage are widely considered to be major practices for improving soil and water conservation where water is scarce. This paper studied the effects of FM (flat mulching), RFM (ridge-furrow mulching), SM (straw mulching), MTMC (mulching with two materials combined), MOM (mulching with other materials), NT (no-tillage) ST (subsoiling tillage) and RT (rotational tillage) on wheat yiel...

2009
A.-L. Thomann P. Brault Y. Tessier P. Gillon

High entropy alloys (HEAs), containing five to thirteen metallic elements, with a concentration in the range of 5 to 35 % for each element, exhibit very interesting properties (mechanical, tribological, formability, magnetism...). Their high mixing entropy promotes the formation of simple solid solutions with amorphous or nanocrystallized structure. Bulk pieces of these alloys are known to be s...

Journal: :Acta biomaterialia 2010
Y F Zheng X N Gu Y L Xi D L Chai

Mg/Ca (1 wt.%, 5 wt.%, 10 wt.% Ca) composites were prepared from pure magnesium and calcium powders using the powder metallurgy method, aiming to enlarge the addition of Ca content without the formation of Mg(2)Ca. The microstructures, mechanical properties and cytotoxicities of Mg/Ca composite samples were investigated. The corrosion of Mg/Ca composites in Dulbecco's modified Eagle's medium (D...

2003
Yingxi Zhu Steve Granick

Introduction. How to understand the lubrication of animal joints? In seeking to dissect this complex problem into manageable components, it is interesting to consider hyaluronic acid (HA), more currently called hyaluron, a linear polysaccharide with the repeat unit of the disaccharide D-glucoronic acid and N-acetyl-Dglucosamine (see Figure 1a), which exists ubiquitously in most organisms with h...

Journal: :Biomacromolecules 2012
Flora Gilde Ofélia Maniti Raphael Guillot Joao F Mano Delphine Logeart-Avramoglou Frédéric Sailhan Catherine Picart

Efficient delivery of growth factors is one of the great challenges of tissue engineering. Polyelectrolyte multilayer films (PEM) made of biopolymers have recently emerged as an interesting carrier for delivering recombinant human bone morphogenetic protein 2 (rhBMP-2 noted here BMP-2) to cells in a matrix-bound manner. We recently showed that PEM made of poly(l-lysine) and hyaluronan (PLL/HA) ...

Journal: :Trends in Glycoscience and Glycotechnology 2010

Journal: :Semitic languages and cultures 2023

This volume explores an underappreciated feature of the standard Tiberian Masoretic tradition Biblical Hebrew, namely its composite nature. Focusing on cases dissonance between tradition’s written (consonantal) and reading (vocalic) components, study shows that spelling pronunciation traditions, though related, interdependent, largely in harmony, at numerous points reflect distinct oral realisa...

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