Showing 461 - 480 results of 855 for search '"magnesium"', query time: 0.06s Refine Results
  1. 461

    Impact of geochemical reactivity on desulphation requirements in a sandstone reservoir containing carbonate and sulphate minerals by Ali M. Al-Behadili, Eric J. Mackay

    Published 2025-01-01
    “…We assume the mineral reactions (anhydrite, gypsum, barite, huntite and calcite) are in equilibrium, excepting for the magnesium rich carbonate mineral reaction, which is assumed to be kinetic. …”
    Get full text
    Article
  2. 462

    Ultrafine industrial aerosol as an occupational risk factor for sintering industry workers by L. P. Sharavara, N. M. Dmytrukha, I. M. Andrusyshyna

    Published 2024-12-01
    “…The chemical composition of the particles of the ultrafine range included aluminum, calcium, iron, magnesium, manganese, silicon, and phosphorus, which is explained by the specifics of the technological process, and the exceeding of the hygienic standard was observed for calcium, silicon and phosphorus. …”
    Get full text
    Article
  3. 463
  4. 464
  5. 465

    Metals and Breast Cancer: Risk Factors or Healing Agents? by Ana-Maria Florea, Dietrich Büsselberg

    Published 2011-01-01
    “…Several metals are essential for physiological functions (e.g., zinc or magnesium); while the beneficial effects of others are uncertain (e.g., manganese), some metals are proven to be toxic (e.g., mercury, lead). …”
    Get full text
    Article
  6. 466

    Recent ostracods (Crustacea: Ostracoda) of Alpine springs and adjacent springbrooks of the Southern Limestone Alps, Slovenia by Nataša Mori

    Published 2015-12-01
    “…Benthos sampling was performed and major environmental characteristics (discharge, substrate composition, temperature, dissolved oxygen, conductivity, pH, alkalinity, sulphate, nitrate, calcium, magnesium) were measured in 12 springs and adjacent springbrooks. …”
    Get full text
    Article
  7. 467

    Geochemical signatures and nanomechanical properties of echinoid tests from nearshore habitats of Florida: environmental and physiological controls on echinoid biomineralization by Przemysław Gorzelak, Luis Torres Jr., Dorota Kołbuk, Tobias B. Grun, Michał Kowalewski

    Published 2025-01-01
    “…In this study, we (1) contrast geochemical signatures of specimens collected across multiple taxa and environmental settings to assess in situ the effects of environmental and physiological factors on skeletal biomineralogy; and (2) analyze the nanomechanical properties of the echinoid skeleton to assess potential linkages between magnesium/calcium (Mg/Ca) ratios and skeletal nanohardness. …”
    Get full text
    Article
  8. 468

    Nutritional value and chemical composition of quinoa leaves (Chenopodium quinoa Wild.) at different phenological stages by Edwin O. Baldeón, Augusto Sánchez-Pizarro, Ritva Repo-Carrasco-Valencia, José M. Barat, Raúl Grau, Attilio Israel Cadenillas-Martínez, Raúl Comettant-Rabanal

    Published 2023-12-01
    “…Quinoa leaves were also found to be rich in potassium, magnesium, and calcium, with Blanca Junín and Pasankalla having the highest calcium levels in the sixth phenological stage. …”
    Get full text
    Article
  9. 469

    Machine learning and SHAP value interpretation for predicting comorbidity of cardiovascular disease and cancer with dietary antioxidants by Xiangjun Qi, Shujing Wang, Caishan Fang, Jie Jia, Lizhu Lin, Tianhui Yuan

    Published 2025-02-01
    “…SHAP values highlighted the importance of antioxidants, with naringenin and magnesium emerging as primary factors in this model.…”
    Get full text
    Article
  10. 470

    Use of ProPlanta Software in the Development of Recommendations for the Production of Agricultural Products by Burkhonova M. M., Matyakubov B. Sh., Zakirova S. Kh., Nematov U. M., Diyorova M. X.

    Published 2025-01-01
    “…Designed for use in the agricultural sector of Uzbekistan, ProPlanta provides farmers with recommendations on the optimal use of key nutrients and fertilizers, including nitrogen, phosphorus, potassium, lime, magnesium, zinc (Zn), copper (Cu), and manganese (Mn). …”
    Get full text
    Article
  11. 471

    Anthracyclines and Acquired Long QT Syndrome. A Case Report by Carlos Rodríguez Armada, Lázaro Enrique de la Cruz Avilés

    Published 2014-12-01
    “…The treatment included monitoring the patient, avoiding other QT prolonging agents and administrating magnesium sulfate and potassium chloride with a proper maintenance of the fluid and acid-base balance. …”
    Get full text
    Article
  12. 472

    Microstructure characterization of porous microalloyed aluminium-silicate ceramics by Purenović Jelena, Mitić V.V., Paunović V., Purenović M.

    Published 2011-01-01
    “…Kaolinite and bentonite clay powders mixed with active additives, based on Mg(NO3)2 and Al(NO3)2, sintered at high temperatures produce very porous ceramics with microcrystalline and amorphous regions and highly developed metalized surfaces (mainly with magnesium surplus). Microstructure investigations have revealed non-uniform and highly porous structure with broad distribution of grain size, specifically shaped grains and high degree of agglomeration. …”
    Get full text
    Article
  13. 473

    Evolution of the Chemical Composition of Primary Salts of the Verkhnekamskoe deposit by I.I. Chaikovskiy

    Published 2020-06-01
    “…It was established that potassium and magnesium salts of the Verkhnekamskoe deposit (Perm region, Russia) are deposited in a linear and spasmodic manner. …”
    Get full text
    Article
  14. 474

    STRUCTURAL OPTIMIZATION DESIGN AND CHARACTERISTICS OF MULTIFUNCTIONAL WOOD PLATE DOUBLE SCREW MIXER BASED ON EDEM by XU HaoRan, HE FuQiang, XUE YaJun, LI Yun

    Published 2021-01-01
    “…With waste wood chips,magnesium oxide and other additives as raw materials,EDEM simulation software was used to simulate the motion of the stirring process and the mixing simulation of different added materials. …”
    Get full text
    Article
  15. 475

    Safety of proton pump inhibitors by Ye. A. Losik

    Published 2016-08-01
    “…The risk of development of iron deficiency, vitamin B12, magnesium is discussed. The interrelation between PPI intake and osteoporosis development is of special interest. …”
    Get full text
    Article
  16. 476

    Adsorption of U(VI) from Aqueous Solution onto Hydrotalcite-Like Compounds by Nguyen Van Suc

    Published 2012-01-01
    “…Uranium adsorption by the synthesized compound of magnesium aluminum hydroxide hydrate – layered double hydrotalcite (STH)-like compounds was studied. …”
    Get full text
    Article
  17. 477

    Physicochemical Study of 'Dolomitic' Sorbents Prepared under Different Thermal Conditions. Part I. The Influence of Temperature by Elzbieta Stefaniak, Bogdan Biliński, Piotr Staszczuk

    Published 1999-03-01
    “…The partial decomposition of dolomite performed within the temperature range 800-1000°C provides new sorbents, the so-called 'dolomitic' sorbents, composed of calcite and magnesium oxide. Their surface properties, such as their porosity and adsorption capabilities towards hydrocarbons, are discussed. …”
    Get full text
    Article
  18. 478

    Chronic pancreatitis: issues remain unresolved by V. T. Ivashkin, K. V. Ivashkin, A. V. Okhlobystin

    Published 2015-09-01
    “…Thus, in practical situation it is reasonable to control both severity of disorders of pancreatic secretion, and efficacy of enzyme replacement therapy according to scores of trophological status of the patient both clinical (BMI), and laboratory (serum levels of prealbumin, retinol-binding protein, cholesterol, magnesium). Treatment should include high dose microgranulated enzymes in the form of capsules (the starting dose should be no less than 40 U of lipolytic activity per meal) as well as proton pump inhibitors. …”
    Get full text
    Article
  19. 479

    A study of compressibility and compactibility of directly compressible tableting materials containing tramadol hydrochloride by Mužíková Jitka, Kubíčková Alena

    Published 2016-09-01
    “…The selected types of hypromellose are Methocel™ Premium K4M and Methocel™ Premium K100M in 30 and 50 % concentrations, the lubricant being magnesium stearate in a 1 % concentration. Compressibility is evaluated by means of the energy profile of compression process and compactibility by the tensile strength of tablets. …”
    Get full text
    Article
  20. 480

    The Flotation Separation of Magnesite and Limonite Using an Amine Collector by Jiahong Han, Xiaoan Li, Shujuan Dai, Guozhen Liu

    Published 2021-01-01
    “…In order to reduce the iron impurities in magnesite ore and improve the purity of magnesium products, the difference in floatability between magnesite and limonite has been studied by using mixtures with a collecting agent—KD (cationic amine collectors, containing soluble components). …”
    Get full text
    Article