Results 11 to 20 of about 170,351 (318)
Slovak and Czech personalities of the national revival in the reception of Cyril and Methodius Brotherhood [PDF]
Slovenska Literatura, 2023 By analyzing literary works, correspondence and other materials of the members of the secret political organization in Kyiv "Cyril and Methodius Brotherhood", it became evident that the members were acquainted with the literary and scholarly works of Ján
Oleksandr Boroň
doaj +1 more source
Crystals, 2015 The initial austenite grain size of boron microalloyed steel with three different amounts of boron (20, 40, and 60 ppm) was investigated under different heating temperatures (1150, 1100, and 1050 °C), and hot compression tests of samples in a wide range ...
Yong-liang Gao, Xiang-xin Xue, He Yang
doaj +1 more source
Atomically controlled substitutional boron-doping of graphene nanoribbons [PDF]
, 2015 Boron is a unique element in terms of electron deficiency and Lewis acidity. Incorporation of boron atoms into an aromatic carbon framework offers a wide variety of functionality.
Adam S. Foster +13 more
core +1 more source
Corrosion behavior and characterization of plasma nitrided and borided AISI M2 steel [PDF]
Materials Research, 2014 This study investigates the corrosion behaviors of plasma nitrided (PN) and borided AISI M2 steels. The PN process was carried out in a dc-plasma system at a temperature of 923K for 6 h in a gas mixture of 80%N2-20%H2 under a constant pressure of 5 mbar.
Ibrahim Gunes +2 more
doaj +2 more sources
Aggregation-Induced Fluorescence of Carbazole and o-Carborane Based Organic Fluorophore
Frontiers in Chemistry, 2019 Carbazole based fluorophores 9-butyl-3,6-bis-(phenylethynyl)-9H-carbazole (1) and 9-butyl-3,6-bis-(2-phenyl-o-carborane)-9H-carbazole (2) were synthesized via Sonogashira type cross-coupling reaction and followed by insertion with decaborane.
Jiemin Jiao +7 more
doaj +1 more source
Sensors, 2017 Novel boron-containing drugs have recently been suggested as a new class of pharmaceuticals. However, the majority of current boron-detection techniques require expensive facilities and/or tedious pretreatment methods.
Yoshihide Hattori +4 more
doaj +1 more source
High levels of boron promote anchorage-independent growth of nontumorigenic cells [PDF]
, 2020 WHO has presented a health-based guideline value for boron in drinking water. That fact indicates that a high level of boron is toxic for humans. However, there is no direct evidence of boron-mediated malignant transformation.
Chen, Wei +7 more
core +1 more source
Polyoxometalates, 2023 Silver-modified polyniobotungstate based on Nb/W mixed-addendum polyoxometalate with formula Ag9[P2W15Nb3O62]·21H2O (Ag-Nb/W) was synthesized and then characterized by various analytical and spectral techniques.
Shujun Li +7 more
doaj +1 more source
Zeitschrift für Kristallographie - New Crystal Structures, 2021 C7H11LiN2O, monoclinic, P21/c (no. 14), a = 8.9067(1) Å, b = 8.6975(1) Å, c = 10.2398(1) Å, β = 101.900(3)°, V = 770.491(15) Å3, Z = 4, R gt(F) = 0.0338, wR ref(F 2) = 0.0925, T = 100 K.
Zapf Ludwig, Finze Maik
doaj +1 more source
Use of Underground Mining Activities in Earthquake Search and Rescue Works
International Journal of Economic and Environment Geology, 2023 Although the mining sector has the task of providing raw materials directly or indirectly to industrial establishments, it unfortunately contains great dangers and risks for its employees in terms of occupational health and safety ...
Süleyman Sırrı Sargın +1 more
doaj +1 more source