Results 51 to 60 of about 305,249 (209)

Obtaining Titanium Dioxide from Magnesium Titanates—Products of Pyrometallurgical Processing of Oil Sandstones

open access: yesInorganics
Titanium compounds are an integral component for paint pigments, food additives (E171), catalysts, precursors for resistant structural materials, medicine, and water, and air purification and disinfection processes.
Evgenii Kuzin
doaj   +1 more source

Justification of modern magnesium preparations for the prevention of obstetric complications

open access: yesМедицинский совет, 2020
The review examined the biological role of magnesium in providing numerous physiological processes occurring in the human body, as well as in the physiological course of pregnancy. Magnesium deficiency is defined.
E. V. Mozgovaya
doaj   +1 more source

Rheo-diecasting AZ91D magnesium alloy [PDF]

open access: yes, 2007
Magnesium recycling has become more important in today’s environmentally aware society. To prompt the usage of recycled magnesium scrap and further improve casting structure and properties, a novel physical approach, the rheo-diecasting process (RDC ...
Fan, Z, Liu, G, Wang, Y
core  

Nutritional and Defensive Chemistry of Three North American Ash Species: Possible Roles in Host Performance and Preference by Emerald Ash Borer Adults [PDF]

open access: yes, 2018
Black ash (Fraxinus nigra), green ash (F. pennsylvanica), and white ash (F. americana) are the three most abundant ash species in the northeastern USA.
Chen, Yigen, Poland, Therese M
core   +3 more sources

Removal of Nitrogen and Phosphate from Fertilizer Industry Wastewater by Magnesium Ammonium Phosphate Formation and Electrochemical Treatment

open access: yesInternational Journal of Electrochemical Science, 2019
A pilot-scale MAP (magnesium ammonium phosphate) precipitation system was applied for the removal of high-strength nitrogen compounds from fertilizer industry wastewater.
Dong-Jin Son   +3 more
doaj   +1 more source

A Mechanistic Analysis of Phase Evolution and Hydrogen Storage Behavior in Nanocrystalline Mg(BH4)2 within Reduced Graphene Oxide. [PDF]

open access: yes, 2020
Magnesium borohydride (Mg(BH4)2, abbreviated here MBH) has received tremendous attention as a promising onboard hydrogen storage medium due to its excellent gravimetric and volumetric hydrogen storage capacities.
Guo, Jinghua   +15 more
core   +1 more source

A model for pH determination during alcoholic fermentation of a grape must by Saccharomyces cerevisiae [PDF]

open access: yes, 2008
A model to predict accurately pH evolution during alcoholic fermentation of must by Saccharomyces cerevisiae is proposed for the first time. The objective at least is to determine if the pH measurement could be used for predictive control.
Akin, Huberson   +3 more
core   +1 more source

Resistencia química del hormigón. XXIX.—Contribución al estudio del sistema Cemento P-550-ARI hidratado-disolución de sulfato de magnesio

open access: yesMateriales de Construccion, 1987
In this Work, which is the following of the others, the performance of a portland cement of a high initial resistance (P-550-ARI) —with a calculated content (Bogue) of 39.2 – 25.7 – 9.9 - 12.0 and 6.9% of C3S - C2S - C3A - C4AF and CaSO4 (II ...
Demetrio Gaspar-Tébar   +2 more
doaj   +1 more source

Biomass, chlorophyll and nitrogen content of leaves of two chili pepper varieties (Capsicum annum) in different fertilization treatments [PDF]

open access: yes, 2009
Abstrak. Suharja, Sutarno. 2009. Biomassa, kandungan klorofil dan nitrogen daun dua varietas cabai (Capsicum annum) pada berbagai perlakuan pemupukan. Nusantara Bioscience 1: 9-16.
SUHARJA,, SUTARNO,
core  

The fire retardant effects of huntite in natural mixtures with hydromagnesite [PDF]

open access: yes
The fire retardant effects of natural mixtures of huntite and hydromagnesite have been investigated. As well as being entirely natural these mixtures of minerals can be considered “greener” and more environmentally friendly, in their production methods ...
Hollingbery, L.A., Hull, T Richard
core   +1 more source

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