Results 21 to 30 of about 24,007,409 (240)

Mineral elements of subtropical tree seedlings in response to elevated carbon dioxide and nitrogen addition. [PDF]

PLoS ONE, 2015
Mineral elements in plants have been strongly affected by increased atmospheric carbon dioxide (CO2) concentrations and nitrogen (N) deposition due to human activities.
Wenjuan Huang, Guoyi Zhou, Juxiu Liu, Deqiang Zhang, Shizhong Liu, Guowei Chu, Xiong Fang   +6 more
doaj   +1 more source

CO₂ Activation and Hydrogenation on Cu-ZnO/Al₂O₃ Nanorod Catalysts: An In Situ FTIR Study

Nanomaterials, 2022
CuZnO/Al2O3 is the industrial catalyst used for methanol synthesis from syngas (CO + H2) and is also promising for the hydrogenation of CO2 to methanol.
Letian Wang, Ubong Jerome Etim, Chenchen Zhang, Lilac Amirav, Ziyi Zhong   +4 more
doaj   +1 more source

Aluminum effect on nutrition and development of grapevine rootstocks (Vitis spp.)

OENO One, 2004
The proposal work was to detect the growth capacity and absorption of minerals on grape rootstocks in acid soils with high contents of Al. The rootstocks tested were: ‘IAC 572’, ‘1045 P’, ‘RR 101-14’, ‘Kober 5BB’ and ‘Gravesac’, at 0 %, 13,5 %, 27 %, 40 ...
Ângelo Albérico Alvarenga, Murillo de Albuquerque Regina, J.-C. Fráguas, A. Lima da Silva, Nilton N. J. Chalfun   +4 more
doaj   +1 more source

Influence of Cu content on mechanical and tribological properties of Al–7Si–Cu alloy

Journal of Materials Research and Technology, 2023
In this study, Al–7Si–Cu alloys with different contents of Cu were prepared by ultrasonic agitation casting method. The microstructures were characterized by scanning electron microscopy (SEM) and energy dispersion spectroscopy (EDS).
Wenyan Zhai, Haohan Sun, Liang Sun, Qian Zhao, Yanming Liu, Yiran Wang, Bowei Pu, Bangyan Zhang, Shiqing Wang   +8 more
doaj   +1 more source

Microstructure Formation and Mechanical Properties of Multi-Phase Coating by Thermos Plasma Nitriding of Gradient Cu-Ti Films on C61900 Cu Alloy

Applied Sciences, 2021
To improve the processing efficiency and the surface properties of C61900 Cu alloy, a gradient Cu-Ti film with a Ti/Cu atom ratio of 7:1, 7:4, and 1:2 was pre-fabricated by the unbalanced magnetron sputtering process and then nitrided by thermos plasma ...
Yandan Zhu, Mufu Yan, Quanli Zhang
doaj   +1 more source

Tuning Electronic Structure and Optical Properties of Monolayered h-BN by Doping C, Cu and Al

Molecules
As a graphene-like material, h-BN has stimulated great research interest recently due to its potential application for next-generation electronic devices. Herein, a systematic theoretical investigation of electronic structures and optical properties of C-
Qun Li, Tengchao Gao, Kuo Zhang, Xiangming Che, Guolong Ni   +4 more
doaj   +1 more source

Interfacial Characterization and Bonding Properties of Copper/Aluminum Clad Sheets Processed by Horizontal Twin-Roll Casting, Multi-Pass Rolling, and Annealing

Metals, 2018
The copper/aluminum (Cu/Al) clad sheets were produced on a horizontal twin-roll caster and then were multi-pass rolled and annealed. The thickness of the as-cast clad sheet was 8 mm.
Zhiping Mao, Jingpei Xie, Aiqin Wang, Wenyan Wang, Douqin Ma   +4 more
doaj   +1 more source

DETERMINATION OF LIMIT DETECTION OF THE ELEMENTS N, P, K, Si, Al, Fe, Cu, Cd, WITH FAST NEUTRON ACTIVATION USING NEUTRON GENERATOR

Indonesian Journal of Chemistry, 2010
Determination of limit detection of the elements N, P, K, Si, Al, Fe, Cu, Cd, with fast neutron activation using neutron generator has been done.  Samples prepared from SRM 2704, N, P, K elements from MERCK, Cu, Cd, Al from activation foil made in San ...
Sunardi Sunardi, Muryono Muryono
doaj   +1 more source

Emerging experimental and computational methods for studying redox‐regulated structural transitions

FEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass, Dana Reichmann, Gábor Erdős   +2 more
wiley   +1 more source

Ṭabaqāt aš-šāfiʿīya al-kubrā

, 1906
Ersch.-Jahr 1324h.In arab.
Subkī, Taqī-ad-Dīn ʿAlī Ibn-ʿAbd-al-Kāfī
core   +2 more sources