Results 21 to 30 of about 197,798 (287)

Three-Component Halo Aldol Condensation of Thioacrylates with Aldehydes Mediated by Titanium (IV) Halide

open access: yesMolecules, 2002
a,b-Ethyl thioacrylate was difuctionalized by a tandem X-C/C=C bond formation reaction. The new system uses Ti (IV) halide as both the Lewis acidic promoter and the halogen source for the Michael-type addition onto the thioacrylate.
Guigen Li   +3 more
doaj   +1 more source

Timothy John Winter, İslam ve Hristiyanlık Politik-Teoloji Denemeleri

open access: yesArtuklu Akademi, 2022
Neo-gelenekselçi akımın önemli temsilcilerinden olan Timoty John Winter, İslam ve Hristiyanlık Politik-Teoloji Denemeleri isimli eserinde, Hristiyan ve İslam geleneklerini, her iki dinî gelenek açısından anlamlı olan kişi ve semboller üzerinden mukayese ...
Halide Rumeysa Küçüköner
doaj   +1 more source

Arylphosphonic acid esters as bridging ligands in coordination polymers of bismuth

open access: yesMain Group Metal Chemistry, 2013
The reaction of the arylphosphonic acid esters 4,4′-[(i-PrO)2P(O)]C6H4C6H4[P(O)(Oi-Pr)2] (L1), 1,3,5-[(i-PrO)2P(O)]3C6H3 (L2), and 5-t-Bu-1,3-[(i-PrO)2P(O)]2C6H3 (L3), respectively, with bismuth halides BiX3 (X=Cl, Br, I) gave seven novel bismuth ...
Mansfeld Dirk   +8 more
doaj   +1 more source

Ahmediler’de Şii Söylem: “Muharrem Ayı ve Hz. Hüseyin’in Yüce Konumu” İsimli Cuma Hutbesi Örneği

open access: yesTurkish Journal of Shiite Studies, 2022
Hint coğrafyasında, İslâm çeşitli değişim ve dönüşümler geçirerek tarih sahnesindeki varlığını devam ettirmiş; farklı din söylemlerini sentezleyen pek çok yeni dini yapılanma ortaya çıkmıştır.
Halide Rumeysa Küçüköner
doaj   +1 more source

Optimization of a new catalyst composition for trimerization of ethylene [PDF]

open access: yesPolyolefins Journal
The performance of the catalyst system [chromium(III)/pyrrole/co-catalyst/halide] on the trimerization of ethylene has been studied using the combined experimental and response surface method (RSM).
Mohammad Javad Sharifi   +3 more
doaj   +1 more source

All-Inorganic Metal Halide Perovskite Nanocrystals: Opportunities and Challenges. [PDF]

open access: yes, 2018
The past decade has witnessed the growing interest in metal halide perovskites as driven by their promising applications in diverse fields. The low intrinsic stability of the early developed organic versions has however hampered their widespread ...
Yin, Yadong, Zhang, Qiao
core   +1 more source

Citrate-based fluorometric sensor for multi-halide sensing

open access: yesSmart Materials in Medicine, 2022
Halides play important roles in human health and environmental monitoring. However, different halides interfere with each other in current measurement methods.
Dingbowen Wang   +8 more
doaj   +1 more source

Giant Light-Emission Enhancement in Lead Halide Perovskites by Surface Oxygen Passivation. [PDF]

open access: yes, 2018
Surface condition plays an important role in the optical performance of semiconductor materials. As new types of semiconductors, the emerging metal-halide perovskites are promising for next-generation optoelectronic devices.
Huang, Jianmei   +11 more
core   +3 more sources

Synthesis and crystal structure of a new pyridinium bromide salt: 4-methyl-1-(3-phenoxypropyl)pyridinium bromide

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2017
In the cation of the title molecular salt, C15H18NO+·Br−, the pyridinium and phenyl rings are inclined to one another by 11.80 (8)°. In the crystal, the Br− anion is linked to the cation by a C—H...Br hydrogen bond.
Musa A. Said   +4 more
doaj   +1 more source

Effect of disorder on transport properties in a tight-binding model for lead halide perovskites

open access: yes, 2017
The hybrid organic-inorganic lead halide perovskite materials have emerged as remarkable materials for photovoltaic applications. Their strengths include good electric transport properties in spite of the disorder inherent in them.
Ashhab, S.   +4 more
core   +1 more source

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