Results 11 to 20 of about 35,245 (209)
Here in we show the effect of heat treatment of two dimensional layered titanium carbide structure (Ti3C2Tx), so called MXene. As prepared MXene has functional groups -OH, -F, -Cl. In order to remove the functional groups we heat treated the MXene in Ar (
O. Kaipoldayev +6 more
doaj +1 more source
Bionanocomposite Films Based on Chitosan with Bentonite Clay and Polyvinyl Alcohol
Nanocomposite films based on chitosan nanowhisker (CsW) with ionic and nonorganic polymers were prepared and studied on the swelling and mechanical properties. Сhitosan nanowhiskers were made from α-chitin by using a top-down approach.
P.A. Baimyrza +3 more
doaj +1 more source
Cryovacuum setup for optical studies of astrophysical ice
This paper presents a cryovacuum setup for the study of substances under near-space conditions. The setup makes it possible to study the infrared spectra, refractive index, and density of substances that are condensed from the vapor phase onto a cooled ...
Oleg Golikov +6 more
doaj +1 more source
By the three-dimensional polymerization of nonionic (polyhydroxyethylacrylate and polyacrylamide) polymers and bentonite clay from Manyrak deposit (East Kazakhstan Region) and with using of process preliminary intercalation of monomers in an aqueous ...
M. M. Beysebekov +4 more
doaj +1 more source
Al fasaha selon Al Suyuti et Al Farabi [PDF]
Dr Fatma Khelef, Al fasaha selon Al Suyuti et Al ...
Dr Fatma Khelef
doaj +2 more sources
Detection of Acetonitrile and Chloroform Using Structures on the Base of Porous Silicon
In this work porous silicon samples obtained by electrochemical etching were investigated. Using scanning probe microscope the morphology of porous silicon samples was studied.
S.M. Manakov +4 more
doaj +1 more source
We assessed the adaptive potential of two rare decorative species listed in the Red Book of Kazakhstan: Tulipa tarda Stapf (Liliaceae) and Gymnospermium altaicum (Pall.) Spach (Berberidaceae) by studying the morphological variability of generative ...
Anna Ivashchenko +3 more
doaj +1 more source
The impact of the environmental crisis on the purchasing power of consumers [PDF]
The subject of the article is purpose of consumer behavior and its direct connection and interaction with ecological situation in the world. Several examples show that consumption which exceeds the normal level is determined by irrational goals and ...
Smagulov Askar +5 more
doaj +1 more source
New hydrogel dressings containing the herbal medicinal substance "Alkhydin", obtained from the Kirghiz (Alhagi kirghisorum Schrenk), grown in Kazakhstan, were obtained by radiation irradiation of the initial reaction mixture (IRM).
G. E. Temirkhanova +7 more
doaj +1 more source
Religión y territorio en la filosofía política de al-Fārābī
El presente artículo explora el uso del par terminológico dār al-islām/dār al-ḥarb, primero desde la perspectiva de la jurisprudencia islámica y, posteriormente, desde la relación entre religión (milla), nación (umma) y territorio (maskan) en la ...
Luis Xavier López Farjeat +1 more
doaj +1 more source

