نتایج جستجو برای: alkaline earth metals

تعداد نتایج: 193458  

Journal: :Cement and Concrete Research 2022

The new CASH+ core sublattice solid solution model of calcium-silicate-hydrate (C-S-H) can describe calcium uptake, solubility, water content, and mean silicate chain length up to 90 °C. In this study, the has been consistently extended equilibrium uptake alkalis (Li, Na, K, Rb, Cs) alkaline earths (Mg, Sr, Ba, Ra). endmembers for each cation were defined, their properties, along with binary in...

Journal: :E3S web of conferences 2021

Metals content affects not only for nutritional value of plants, but also their resistance to stress. So it was revealed that cationic composition changes hydration cytoplasm. Hydration cytoplasm positively correlated with alkali metals, a representative which is potassium, and negatively amount alkaline earth metals (calcium, magnesium). Variability rice collection samples in terms sodium, cal...

Journal: :International journal of environmental sciences & natural resources 2021

The use of the Hierarchical Cluster Analysis (HCA) in conjunction with a multi-sample graphical technique offers robust indicator geochemical evolution ground water. HCA applied to identify processes controlling water geochemistry shallow aquifer system outer plains Jammu and Kashmir State. has good agreement hydro chemical facies reflect process pattern flow geological formation it explains di...

Journal: :Fizika tverdogo tela 2022

The Belomestnykh--Tesleva's formula is interesting in that it establishes an unambiguous relationship between the Poisson's ratio and Gruneisen's parameter. derivation of this from generally accepted equation discussed. formula, obtained earlier other assumptions, derived using theory elasticity Leontiev's equation. For a number silicate glasses glassy metaphosphates alkaline earth metals, prop...

Journal: :Chemcatchem 2021

Abstract Multifunctional materials that are capable of facilitating multiple electrocatalytic processes highly desirable. This work reports the observation bifunctional properties for water‐splitting in layered oxides, featuring 2‐dimensional layers octahedrally coordinated transition metals separated by alkaline‐earth or rare‐earth metals. Remarkably, these able to catalyze both half‐reactions...

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