نتایج جستجو برای: fcc nickel
تعداد نتایج: 38726 فیلتر نتایج به سال:
We report the direct soft chemical synthesis and characterization of a family of face centered cubic (fcc) and partially ordered face centered tetragonal (fct) FePt nanoparticles (NPs) suitable for biomedical applications. Both fcc and partially ordered fct-FePt NPs are synthesized by employing a simple polyol method. By using polyvinyl pyrolidone (PVP) as a stabilizer in various ratios during ...
Fluid Catalytic Cracking (FCC) has traditionally been a key refining process in generating transportation fuels. Recently, the focus on FCC further intensified as it plays an increasingly important role generation of building blocks for petrochemical industry. Nickel is considered one most challenging contaminants and originates from Ni-containing compounds petroleum fractions, not only during ...
Nickel oxide (NiO) nanoflowers are synthesized via a one-pot method using an amphiphilic block copolymer in aqueous solution. Pluronics F-127 works as structure-directing agent the formation of NiO nanoflowers. The controlled hydrolysis precipitating slowly releases ammonia that can form Ni(OH)2, which is stabilized polymer calcination removes polymeric part nanocomposite and converts Ni(OH)2 i...
The search for new properties of materials composed of clusters (clusterassembled materials) or of small nanoparticles has reached a state of technological importance. Moreover the evolution of the magnetic properties from the atom to the bulk via cluster growth is itself a fascinating and challenging problem. However, in spite of considerable effort spent on the investigation of the magnetic p...
The nudged elastic band (NEB) method is used to evaluate activation energies for dislocation intersection cross-slip in face-centered cubic (fcc) nickel and copper, to extend our prior work which used an approximate method. In this work we also extend the study by including Hirth locks (HL) in addition to Lomer–Cottrell locks and glide locks (GL). Using atomistic (molecular statics) simulations...
Background: Family-centered care (FCC) has recently been recognized as the most effective approach in pediatric and family care. Despite the emphasis of healthcare systems on commitment to the philosophy and application of FCC, the nature of this method remains unknown in the related studies. The present study aimed to describe and interpret the experiences of professional and familial caregive...
SEVERALRECENT REPORTS describe the important role medical homes play in ensuring favorable outcomes for children. Central to the success of a medical home is the practice of family-centered care (FCC). The purpose of this commentary is to describe the evolution of FCC, provide an updated definition of FCC, and discuss implications for practice, programs, and policy. The development of the FCC d...
The epitaxial growth of metastable fcc Mn thin films on a GaAs(001) surface has been achieved at a substrate temperature of 400 K. The development of the fcc Mn thin films as a function of coverage is studied by photoemission with synchrotron radiation. The electronic density of states below the Fermi edge of the bulk fcc Mn phase is measured experimentally. A significant difference of the elec...
PURPOSE This study investigated the effect of prior prolonged cycling exercise performed at different cadences on subsequent neuromuscular characteristics. METHODS Eight well-trained triathletes sustained 80% of their maximal aerobic power during 30 min at three cadences: the freely chosen cadence (FCC), FCC-20%, and FCC+20%. Maximal isometric and concentric (120 degrees x s(-1) and 240 degre...
The present study investigated relationships between changes in power output (PO) to torque (TOR) or freely chosen cadence (FCC) during thermal loading. Twenty participants cycled at a constant rating of perceived exertion while ambient temperature (Ta) was covertly manipulated at 20-min intervals of 20 °C, 35 °C, and 20 °C. The magnitude responses of PO, FCC and TOR were analyzed using repeate...
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