Results 31 to 40 of about 3,784,388 (393)

Dynamic mechanical properties and failure behaviors of brittle rock materials with a tunnel-shaped opening subjected to impact loads

open access: yesJournal of Materials Research and Technology, 2023
Since the surrounding rocks of underground tunnels are frequently suffered from the dynamic disturbance of mechanical percussion drilling and explosive blasting, it is significantly meaningful to investigate the mechanical properties and failure ...
Hao Wu   +6 more
doaj  

Mineral and bone disorder and longterm survival in a chronic kidney disease grade 3b-4cohort

open access: yesRenal Failure, 2022
Mineral and bone disorder biomarkers ‘normal ranges’ are controversial. The aim of the study was to evaluate the association between serum calcium (Ca), phosphate (P), intact parathyroid hormone (iPTH), and 25(OH) vitamin D levels and mortality risk, in ...
Pablo Rios   +6 more
doaj   +1 more source

Phosphate Solubilizing Microorganisms: Promising Approach as Biofertilizers

open access: yesInternational Journal of Agronomy, 2019
Phosphorus (P) is a macronutrient required for the proper functioning of plants. Because P plays a vital role in every aspect of plant growth and development, deficiencies can reduce plant growth and development. Though soil possesses total P in the form
Girmay Kalayu
semanticscholar   +1 more source

Studies on ferrous ion-induced lipid peroxidation of rat liver mitochondria. I. Effect of inorganic phosphate [PDF]

open access: yes, 1974
Effect of inorganic phosphate on ferrous ion- and ascorbate-induced lipid. peroxidations of isolated rat liver mitochondria was investigated. As a result it has been shown that phosphate accelerates the ferrous ion.induced lipid peroxidation; namely ...
Hashimoto, Gonosuke   +4 more
core   +1 more source

ISOLATION AND PRELIMINARY SCREENING OF ENDOPHYTIC FUNGI FROM Ficus carica FOR BIOCONTROL AND PHOSPHATE SOLUBILIZATION [PDF]

open access: yesEnvironment & Ecosystem Science, 2020
Fungal endophytes are a special group of symbionts that invade the internal environment of the host organism without causing any pathogenic symptoms.
Norsalsabila Mohd Rosli   +2 more
doaj   +1 more source

Role of the reversible electrochemical deprotonation of phosphate species in anaerobic biocorrosion of steels [PDF]

open access: yes, 2007
Sulphate reducing bacteria are known to play a major role in anaerobic microbiological influenced corrosion of steels, but mechanisms behind their influence are still source of debates as certain phenomena remain unexplained.
Alain Bergel   +53 more
core   +2 more sources

Root microbiota drive direct integration of phosphate stress and immunity

open access: yesNature, 2017
Plants live in biogeochemically diverse soils with diverse microbiota. Plant organs associate intimately with a subset of these microbes, and the structure of the microbial community can be altered by soil nutrient content.
Gabriel Castrillo   +11 more
semanticscholar   +1 more source

Study of the mechanical properties of a ceramics of orthopedic and dental use [PDF]

open access: yes, 2005
The study of the preparation of ceramics is consisted in sintering a hardened cement, wich is composed of mixture of three calcium phosphates : tetracalcium phosphate (Ca4(PO4)2O), -tricalcium phosphate (-Ca3(PO4)2) and monocalcium phosphate (Ca(H2PO4)2.
Ferhat, M.   +3 more
core   +2 more sources

THE GLYCERO-PHOSPHATED [PDF]

open access: yesThe American Journal of the Medical Sciences, 1895
n ...
openaire   +2 more sources

Phosphate and Klotho [PDF]

open access: yesKidney International, 2011
Klotho is a putative aging suppressor gene encoding a single-pass transmembrane co-receptor that makes the fibroblast growth factor (FGF) receptor specific for FGF-23. In addition to multiple endocrine organs, Klotho is expressed in kidney distal convoluted tubules and parathyroid cells, mediating the role of FGF-23 in bone-kidney-parathyroid control ...
openaire   +4 more sources

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