Results 71 to 80 of about 2,161,194 (336)

A hybrid multilevel converter for medium and high voltage applications [PDF]

open access: yes, 2010
This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Adam, Grain Philip   +4 more
core  

FIVE WORDS YOU SHOULD NEVER SAY IN YOUR SALES LETTER [PDF]

open access: yes, 2008
The theoretical description of grain growth was based for many years on the so-calledspherical model. The spherical model represents a polyhedral grain with N faces and a volume, V ,by a sphere with an equal volume having the equivalent grain radius, R ...
Kuvaeva, T.   +2 more
core   +1 more source

Composite Electrospun Fibers Containing Optimized B‐ and Cu‐Doped Bioactive Glass Sol‐Gel Particles for Potential Soft Tissue Engineering Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This article describes the preparation and characterization of poly(ε‐caprolactone) electrospun composite fibers incorporating sol‐gel‐derived bioactive glass particles doped with B and Cu. Scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, Fourier‐transform infrared spectroscopy, contact angle, acellular bioactivity, mechanical and ...
Elisa Piatti   +5 more
wiley   +1 more source

Effects of Clostridium butyricum and Lactobacillus plantarum on growth performance, immune function and volatile fatty acid level of caecal digesta in broilers

open access: yesFood and Agricultural Immunology, 2018
The study was conducted to investigate the effects of Clostridium butyricum and Lactobacillus plantarum on growth performance, immune function and volatile fatty acid (VFA) level of caecal digesta in broilers. One hundred and forty broilers were assigned
Jinfeng Han   +8 more
doaj   +1 more source

Green ecological grain storage technology and quality control in China

open access: yesJulius-Kühn-Archiv, 2018
Green ecological grain storage technologies (GEGSTs) are the means of controlling stored grain quality, and quality changes of stored grain are the basis of GEGSTs control.
Xu, Yongan   +6 more
doaj   +1 more source

Electrospark‐Deposited AlCrFeCoNi High‐Entropy Alloy Coatings on Steel: Microstructure Evolution, Mechanical Properties, and Corrosion Response

open access: yesAdvanced Engineering Materials, EarlyView.
AlCrFeCoNi high entropy alloy coating is applied on steel using electrospark deposition. The microstructure evolution and phase transformation of the as‐deposited and heat‐treated coatings is characterized and discussed. Reduced microhardness and yield strength are measured after heat treatment.
Jihui Yan   +4 more
wiley   +1 more source

Study on Detection of Psocids Annual Occurrence in Wheat Flour Warehouse in Guangzhou

open access: yesLiang you shipin ke-ji, 2020
Psocids occurrence was detected in flour warehouse from March-2017 to February-2018 by a corrugated board trap. The location of psocids and its relationship with temperature and humidity were analyzed by geostatistics contour mapping technology.
HE Li-li   +8 more
doaj   +1 more source

Dementia with Grains (Argyrophilic Grain Disease)

open access: yesBrain Pathology, 1998
Dementia with grains, also referred to as argyrophilic grain disease, is a morphological condition in elderly individuals histologically characterised by the widespread occurrence of minute, spindle or comma‐shaped argyrophilic, tau‐immunoreactive structures distinct from neuropil threads that are predominantly located in the hippocampus and related ...
openaire   +3 more sources

COMPETITIVENESS OF EXTRUDED GRAINS ON THE BASIS OF GRAIN CEREAL GRAIN

open access: yes, 2018
The assortment of dry breakfasts is very wide and this enables producers to form an assortment depending on the availability of raw materials and production capacities. In Ukraine, the production of dry breakfasts are engaged in more than 20 enterprises.
E. Bunyak, L. Valevskaya, S. Sots
openaire   +1 more source

Micromechanical Characterization of 316L‐V4E Steel Transitions Produced by Electron Beam Powder Bed Fusion with Dual‐Hopper Alternating Layer Strategy

open access: yesAdvanced Engineering Materials, EarlyView.
This work applies High‐Speed Nanoindentation to study multi‐material transitions in powder bed fusion–electron beam melting components. The aim is to assess the mechanical gradients and interfacial behavior between American iron and steel institute 316L stainless steel and V4E tool steel in additively manufactured structures.
Laia Ortiz‐Membrado   +6 more
wiley   +1 more source

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