Results 111 to 120 of about 13,578,556 (251)

Nanoscale Optical Inhomogeneities From Compositional Segregation Within Individual GaN‐on‐Si Quantum Wells

Advanced Science, EarlyView.
This work visualizes local variations in luminescence and relates them to nanoscale chemical inhomogeneities in single InxGa1−xN quantum wells. We demonstrate that the elemental segregation is only inherent to quantum wells with high indium content. Density functional theory shows this to be the result of strain‐induced phase stabilization, explaining ...
Jing‐Yang Chung, Tara P. Mishra, Zackaria Mahfoud, Thomas E. Gage, Jianguo Wen, Katherine P. Rice, Isabelle Martin, Li Zhang, Govindo J. Syaranamual, Stephen J. Pennycook, Silvija Gradečak, Pieremanuele Canepa, Michel Bosman   +12 more
wiley   +1 more source

Evolución de las pérdidas de amoníaco desde urea aplicada en otoño y primavera a una pastura de agropiro alargado (Thinopyrum ponticum)

RIA: Revista Investigaciones Agropecuarias, 2003
La fertilización nitrogenada con urea en pasturas de agropiro (Thinopyrumponticum) incrementa la producción de materia seca; sin embargo, la eficienciade utilización del nitrógeno (N) no es elevada, consecuencia probablemente dela volatilización de ...
P. A. Barbieri, H.E. Echeverría
doaj  

Bipolar Palladium Membrane Enabling Crossover‐Free Selective Proton Transport

Advanced Science, EarlyView.
This study introduces a crossover‐free bipolar palladium membrane that transports protons selectively via reversible Pd/PdHx absorption–desorption and lattice hydrogen diffusion, overcoming the conductivity–selectivity trade‐off of polymer membranes. It enables water‐fed Li‐mediated ammonia synthesis, achieving 51% Faradaic efficiency and stable 12 h ...
Jiyeon Baek, Yeongbae Jeon, Seunga Lee, Ahee Choi, Joonmok Shim, Kyungho Lee, Ho Woun Jung, Sun Hyung Kim, Churl Hee Cho, Hyung Chul Yoon, Yun Jeong Hwang, Jae Hyung Kim   +11 more
wiley   +1 more source

High‐Efficiency Precipitate Recycling Strategy Paves the Way for Efficient Sb2S3 Solar Cells Fabricated by CBD Method

Advanced Science, EarlyView.
A novel PR strategy was proposed to improve CBD‐derived Sb2S3 film quality. It synergistically optimized the CBO of CdS/Sb2S3 interface and the back‐contact barrier, while the VS2 donor defect was converted into SSb2 acceptor defect with lower concentration.
Yeyang Lin, Zixian Cai, Mingen Zheng, Ye Huang, Weihuang Wang, Qiqiang Zhu, Qing Gao, Jianhui Chen, Shuying Cheng   +8 more
wiley   +1 more source

Les composites moléculaires bidimensionnels [NH3-(CH2)n-NH3] MX4 . Incidence structurale du paramètre n et de la nature du métal (M = Cd, Mn, Pb, Cu, Pd).

, 1996
Ce travail porte sur une série de composés organo-métalliques de structure bidimensionnelle et de formulegénérale [NH3-(CH2)n-NH3] MX4 (notée 2CnMX4) où M est un métal (M = Cd, Mn, Pb, Cu, Pd), X unhalogène (X = Cl, Br) et 1 £ n £ 12.
Maris, Thierry
core  

Microalgae Hybrid Biosystem for Enhanced Oral Delivery of Rifaximin in Hepatic Encephalopathy Treatment

Advanced Science, EarlyView.
The microalgae‐nanoparticle hybrid system with antibacterial activity can improve the oral delivery and therapeutic efficiency for hepatic encephalopathy treatment. Oral administration of the system can reduced systemic ammonia levels, enhanced intestinal barrier function, attenuated systemic and neuroinflammation, ameliorated cognitive impairments ...
Kaiyue Wang, Xueting Huang, Lingxiao Yang, Jin Liu, Lei Lei, Shaomin Zou, Kai Wang, Min Zhou, Zhe Tang   +8 more
wiley   +1 more source

Non‐Line‐of‐Sight Passive Ammonia Sensor Loaded With MXene/In2O3 Composites for Agricultural Products Quality Deterioration Detection

Advanced Science, EarlyView.
This study presents a flexible, battery‐free passive RFID sensing platform for NLoS monitoring of quality deterioration in fresh agricultural products. It utilizes a structurally decoupled spiral antenna‐LC electrode architecture to suppress electromagnetic interference caused by packaging.
Guoping Hu, Lin He, Fanli Meng, Daming Dong, Guolong Shi   +4 more
wiley   +1 more source

Reduction in N2O and NH3 emissions with combined use of dual inhibitors and biochar in a tea field soil in subtropical central China

Biochar
Excessive nitrogen (N) fertilization in tea plantations often leads to substantial nitrous oxide (N2O) emissions, which exacerbate global warming, and to pronounced ammonia (NH3) volatilization, which is closely associated with air pollution and aquatic ...
Yuefeng Li, Yanyan Li, Haifeng Zhang, Qiyuan Liao, Huixiu Zhan, Chengli Tong, Yong Li, Jinshui Wu, Jianlin Shen   +8 more
doaj   +1 more source

Tidal-induced Dilution of Ammonia - Nitrogen (NH3-N) along Batang Salak [PDF]

, 2013
NH3-N is an important parameter considered for water quality monitoring. High NH3-N contents in the river system may lead into euthrophication. Tidal flushing in the river determines the assimilation capacity of the river system affected by the tide ...
Dunging, Buda, Norhadi, Ismail, Nyanti, L., Ling, Teck Yee   +3 more
core  

Second-sphere coordination in anion binding: Synthesis and characterization of hexa amminecobalt(III) salts [Co(NH3)6](L)3.3H2O and [Co(NH3)6]Cl(L)2, LZ(CH3)3C6H2SO3 and X-ray structure determination of [Co(NH3)6]Cl(L)2

, 2006
The reaction of hexaamminecobalt(III) chloride with sodium salt of mesitylenesulphonic acid in aqueous medium (1:3 molar ratio) leads to formation of two products of hexaamminecobalt(111) salts [Co(NH3)(6)](L)(3)(.)3H(2)O and [Co(NH3)(6)]Cl(L)2, L=(CH3 ...
SHARMA R., SINGH K. N., SHARMA R. P., FERRETTI, Valeria, BALA R.   +4 more
core   +1 more source