Results 131 to 140 of about 2,176,824 (385)

Consumo e absorção aparente total de macroelementos inorgânicos (Ca, P, Mg, K e Na), em bezerros da raça holandesa alimentados com dietas contendo diferentes níveis de volumoso

open access: yesRevista Brasileira de Zootecnia, 1999
Este estudo visou avaliar os efeitos dos diferentes níveis de volumoso nas dietas sobre os consumos e as absorções aparentes de cálcio (Ca), fósforo (P), magnésio (Mg), potássio (K) e sódio (Na).
Ricardo Dias Signoretti   +7 more
doaj   +1 more source

Mineral and cross-linking in collagen fibrils: The mechanical behavior of bone tissue at the nano-scale [PDF]

open access: yesarXiv
The mineralized collagen fibril is the main building block of hard tissues and it directly affects the macroscopic mechanics of biological tissues such as bone. The mechanical behavior of the fibril itself is determined by its structure: the content of collagen molecules, minerals, and cross-links, and the mechanical interactions and properties of ...
arxiv  

Bitcoin: A Natural Oligopoly [PDF]

open access: yesarXiv, 2018
Although Bitcoin was intended to be a decentralized digital currency, in practice, mining power is quite concentrated. This fact is a persistent source of concern for the Bitcoin community. We provide an explanation using a simple model to capture miners' incentives to invest in equipment.
arxiv  

Mineral resource maps and safeguarding areas : a Welsh case study [PDF]

open access: yes, 2010
Access to economic mineral resources in the UK, such as sand and gravel and crushed rock aggregate, is vital to ensure the continued supply of raw materials that are essential for maintaining national infrastructure and underpinning the economy ...
Bide, Tom, Wrighton, Chloe
core  

3D Bioprinted Coaxial Testis Model Using Human Induced Pluripotent Stem Cells:A Step Toward Bicompartmental Cytoarchitecture and Functionalization

open access: yesAdvanced Healthcare Materials, EarlyView.
The ability of human induced pluripotent stem cells (hiPSCs) to model developmental processes makes them a promising source for engineering testicular tissues to study in vitro maturation and sperm production. This work describes the first hiPSC‐derived testicular model and shows that it captures functional aspects of prepubertal testicular tissues ...
Meghan A Robinson   +15 more
wiley   +1 more source

The use of banquettes of Posidonia oceanica as a source of fiber and minerals in ruminant nutrition. An observational study

open access: yesAnimal, 2014
In the search for new food sources that contribute to the optimization of livestock production this paper discusses the possibility of using waste (called banquettes) of a marine plant commonly found on the Mediterranean coasts: Posidonia oceanica.
C. Castillo   +6 more
doaj  

The Mineral Character and Geomechanical Properties of the Transitional Rocks from the Mesozoic-Neogene Contact Zone in the Bełchatów Lignite Deposit

open access: yesJournal of Sustainable Mining, 2014
Purpose: Beginning more than 30 years ago, opencast lignite mining in the "Bełchatów" area is an important source of accompanying minerals. Lignite mining in the "Bełchatów" mine yields, on average, more than 35 million tonnes per annum and requires ...
Agnieszka Pękala
doaj   +1 more source

European mineral statistics 2002-06 : a product of the World Mineral Statistics database [PDF]

open access: yes, 2008
European Mineral Statistics has over 300 pages of tables on minerals production and trade. Thirty two countries are covered including all the EU members, EU applicants, Norway and Switzerland. In the first section there are tables by country, followed by
Bide, Tom   +6 more
core  

Probiotic‐Based Mineralized Living Materials to Produce Antimicrobial Yogurts

open access: yesAdvanced Healthcare Materials, EarlyView.
The self‐assembly and mineralization of collagen in the presence of probiotics produces hybrid living materials that hosts and protects the cells. Intra‐ and interfibrillar mineralization of collagen fibers, as occurring in bone, results, respectively, in a bulk and single‐cell protective layer of cells, that survive in simulated gastric conditions and,
Gloria B. Ramírez‐Rodríguez   +5 more
wiley   +1 more source

Characterization of Fulvic Acid Beverages by Mineral Profile and Antioxidant Capacity

open access: yesFoods, 2019
The main purpose of the study was to investigate the quality of fulvic acid-based food products. The concentrations of Ca, K, Mg, Na, Cu, Fe, Mn, and Zn, and antioxidant capacities of fulvic acid concentrates and ready-to drink beverages available on the
Monika Swat   +2 more
doaj   +1 more source

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