Results 1 to 10 of about 16,003 (309)

Linear alkali correlation in oceanic alkali basalts [PDF]

open access: yesBulletin of the Geological Society of Finland, 1986
A strong positive correlation was found between Na2O and K2O in basic alkali rocks from the Hawaiian Islands and Canary Islands. The correlated variance of the variables in each province is 79 % and 76 %, respectively.
H.S. Yoder Jr, F. Chayes
doaj   +2 more sources

Cordycepin prevents the esophageal stricture formation in the alkali-burn rat model by exerting anti-inflammatory and antifibrotic effects [PDF]

open access: yesActa Cirúrgica Brasileira, 2021
Purpose To investigate the efficacy of cordycepin, an adenosine analogue, on prevention of esophageal damage and stricture formation due to esophageal caustic burns in rat model comparing with prednisolone. Methods Caustic esophageal burn was introduced
Gulcin Ercan   +12 more
doaj   +2 more sources

Supercapacitive properties of the alkali metal hydroxides-activated carbons obtained from sucrose [PDF]

open access: yesJournal of the Serbian Chemical Society, 2022
The influence of different hydroxides, applied to activate carbon black, on the electrochemical properties of activated carbon was investigated. The carbon material was prepared by hydrothermal treatment of sucrose and afterwards thermally ...
Košević Milica G.   +3 more
doaj   +1 more source

Alkali metal reduction of alkali metal cations

open access: yesNature Communications, 2023
AbstractCounter to synthetic convention and expectation provided by the relevant standard reduction potentials, the chloroberyllate, [{SiNDipp}BeClLi]2 [{SiNDipp} = {CH2SiMe2N(Dipp)}2; Dipp = 2,6-i-Pr2C6H3)], reacts with the group 1 elements (M = Na, K, Rb, Cs) to provide the respective heavier alkali metal analogues, [{SiNDipp}BeClM]2, through ...
Kyle G. Pearce   +6 more
openaire   +3 more sources

Hydration characteristics of calcium sulfoaluminate-fly ash mixed with different alkalies

open access: yesCase Studies in Construction Materials, 2022
Due to its notable low carbon footprint, calcium sulfoaluminate (CSA) cement has become a research hotspot for cement chemists in recent years. Relevant studies have shown that supplementary cementitious materials (SCMs) can greatly improve the ...
Guoju Ke, Xiao Zhang, Jun Zhang
doaj   +1 more source

Comparative Study of Surface Modification Treatment for Porous Titanium

open access: yeseJournal of Oral Maxillofacial Research, 2020
Objectives: This study was to investigate suitable surface treatment methods for porous titanium by ex vivo study of material properties and calcium phosphate deposition in simulated body fluid.
Reiko Kobatake   +6 more
doaj   +1 more source

Petrogenetic history and melt inclusion characteristics of mantle plume-derived ijolites from NE India: implications for multistage crystallization and occurrence of “nano-calciocarbonatites”

open access: yesProgress in Earth and Planetary Science, 2022
The Sung Valley ultramafic–alkaline–carbonatite complex (UACC) of Meghalaya, NE, India, is a result of magmatic activity related to the Kerguelen mantle plume spanning from 101 to 115 Ma. In the present study, an integrated crystal size distribution (CSD)
Shubham Choudhary   +3 more
doaj   +1 more source

On the orientation of the chains in the mercerized cellulose

open access: yesScientific Reports, 2021
The cold alkaline treatment or mercerization of cellulose is widely used in industry to enrich the cellulose raw with high-molecular-weight $$\alpha$$ α -cellulose.
Dmitry V. Zlenko   +7 more
doaj   +1 more source

Non-Destructive Examination of Metallic Idols and Statues in Religious Institutions - A Case Study

open access: yese-Journal of Nondestructive Testing, 2023
Religious institutions typically have idols, statues and other items made up of different metals and alloys. The Hindu religion involves idol worship on a daily basis regularly over the course of a year.
Tejas Ingale
doaj   +1 more source

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