Results 71 to 80 of about 899,550 (246)

Ikimokyklinio ir priešmokyklinio ugdymo pokyčiai: ir nerimas, ir džiaugsmas

, 2020
Nuo 2023 m. pagerės sąlygos socialinės rizikos šeimoms auginančioms priešmokyklinio amžiaus vaikus (5-6 m.), nes savivaldybės įpareigotos užtikrinti ikimokyklinį ugdymą visiems vaikams. Dalis savivaldybių šią žinią sutiko su nerimu ir nepasitenkinimu. Gali kilti klausimas apie kokį vaikų skaičių, padidinančių priešmokyklinukų gretas, kalbame.
openaire   +1 more source

Engineered Mycelial Scaffolds With Tunable Ultraviolet Protection, Wettability, Thermal Stability, and Spatial Mechanics

Advanced Engineering Materials, EarlyView.
Fungal mycelia grown into biodegradable scaffolds and infused with titania nanoparticles show enhanced ultraviolet shielding, thermal protection, and surface nonwettability. Properties were tuned by drying methods, revealing structure–function relationships.
Juwon S. Afolayan, Xin Zhang, Carole C. Perry   +2 more
wiley   +1 more source

Synthesis Structural Study and Spectroscopic Characterization of Azo Compound Derived from Mercaptothiadiazole and Methoxybenzaldehyde

Proceedings of the International Conference on Applied Innovations in IT
The vibrational and electronic properties of 2-hydroxy-5-((5-mercapto-1,3,4-thiadiazol-2-yl)diazenyl)-3-methoxy benzaldehyde were theoretically studied in the present paper by carrying out quantum chemical calculations.
Ghalib A. Atiya, Nada J. Khadm, Abd-Karim Fadhil Ali, Waseela Abdul Redha Abdul Razaq, Abdulqadier Hussian Neamal, Ibtsiam Khalil Alwan   +5 more
doaj   +1 more source

Al–Cu Composite Casting of Laser‐Deoxidized Copper: Bonding, Interfacial Chemistry, and Thermal Conductivity

Advanced Engineering Materials, EarlyView.
This study investigates laser‐based oxide removal of Cu inserts in oxygen‐free conditions and examines long‐term oxidation kinetics and surface chemistry under different atmospheres via X‐ray photoelectron spectroscopy. Al–Cu compound casting with differently oxidized surfaces is performed, and intermetallic phase formation, morphology, and thermal ...
Timon Steinhoff, Finn‐Lennard Janthur, Sascha Zimmermann, Sarah Seffer, Jörg Hermsdorf, René Gustus, Ludger Overmeyer, Wolfgang Maus‐Friedrichs, Hans Jürgen Maier, Christian Klose   +9 more
wiley   +1 more source

Exploring Dipolar Dynamics and Ionic Transport in Metal‐Organic Frameworks: Experimental and Theoretical Insights

Advanced Functional Materials, EarlyView.
In this study, the interplay of dipolar dynamics and ionic charge transport in MOF compounds is investigated. Synthesizing the novel structure CFA‐25 with integrated freely rotating dipolar groups, local and macroscopic effects, including interactions with Cs cations are explored.
Ralph Freund, Arthur Schulz, Peter Lunkenheimer, Maryana Kraft, Thomas Bergler, Harald Oberhofer, Dirk Volkmer   +6 more
wiley   +1 more source

Războiul Rece la periferie. RSS Moldovenească în ordinea mondială bipolară (1970-1980) / The Cold War on the Periphery. The Moldavian SSR in the Bipolar World Order (1970-1980) [PDF]

Plural: History, Culture, Society
This article uses unpublished documents from the Archive of Social-Political Organizations of the Republic of Moldova, the former archive of the Central Committee of the Communist Party of Moldavia, in order to identify and describe the main tendencies
Veronica Onea
doaj   +1 more source

In Situ Constructed Magnetic Core‐Shell Hydrogen‐Bonded Organic Framework‐on‐Metal–Organic Framework Structure: an Efficient Catalyst for Peroxymonosulfate Activation

Advanced Functional Materials, EarlyView.
In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du, Chenhui Ding, Chao Deng, Susanta Banerjee, Seema Agarwal   +4 more
wiley   +1 more source

A new method in estimation of total hexavalent chromium in Portland pozzolan cement

Materiales de Construccion, 2017
Variamine blue was used first time for the detection of hexavalent chromium from cement samples. In present method, cement was treated sequentially with water, sulphate and carbonate buffer to extract soluble, sparingly soluble and insoluble hexavalent ...
R. Sharma, D. K. Sharma
doaj   +1 more source

Enhancing Optoelectronic Properties in Phthalocyanine‐Based SURMOFs: Synthesis of ABAB Linkers by Avoiding Statistical Condensation with Tailored Building Blocks

Advanced Functional Materials, EarlyView.
A novel phthalocyanine (PC)‐based metal–organic framework (MOFs) is synthesized using ditopic PC linkers obtained through regioselective statistical condensation. The resulting MOF exhibits significant improvements in electronic absorption, thereby enhancing the material's performance in light harvesting and energy conversion.
Lukas S. Langer, Mareen Stahlberger, Xiaojing Liu, Yi Luo, Niklas E. Häußermann, Puja Singhvi, Yidong Liu, Olaf Fuhr, Martin Nieger, Lars Heinke, Thomas Heine, Christof Wöll, Stefan Bräse   +12 more
wiley   +1 more source

Assessment of Irisin and Nesfatin-1 Levels in Non-Obese and Obese Women with Polycystic Ovarian Syndrome

Medical Journal of Babylon
Background: In the developed world, some of the most common ovarian disorders include polycystic ovarian syndrome (PCOS), ovulatory dysfunction, hyperandrogenism, and polycystic ovaries which are the most characteristic in this woman endocrinopathy.
Ali Al-Sajaad Mohammed Al-Azzawi, Hiba Resheed Behayaa, Ban Aamer Mousa   +2 more
doaj   +1 more source