Results 201 to 210 of about 617 (262)

Recent Progress on Graphitic Carbon Nitride–Based Photocatalysts for Hydrogen Peroxide Synthesis

Exploration, Volume 6, Issue 4, August 2026.
This review summarizes recent progress in using graphitic carbon nitride (g‐C3N4) photocatalysts to produce hydrogen peroxide (H2O2). It highlights how solar energy can cleanly convert water and oxygen into this valuable chemical. We discuss key modification strategies, such as defect engineering, doping, and junction construction, to enhance ...
Liangpang Xu, Xixian Nan, Jimmy C. Yu
wiley   +1 more source

Understanding Mass Spectrometry: From Ion Generation to Spectral Interpretation

Journal of Mass Spectrometry, Volume 61, Issue 8, August 2026.
ABSTRACT This tutorial provides a structured introduction to mass spectrometry (MS), with particular emphasis on electrospray ionization (ESI)–based measurements. It is intended to support researchers from chemistry and related disciplines in developing a coherent understanding of MS principles, instrumentation, and data interpretation.
Arnold Steckel, Dávid Papp, Gitta Schlosser   +2 more
wiley   +1 more source

The fracture and perforation failure analysis of downhole tubes. [PDF]

Heliyon
Ding H, Li HB, Zhang Z, Qi DT, Qi GQ, Cai XH.   +5 more
europepmc   +1 more source

Investigation of Electrospark Sintering of Composites of SiC-TiC, SiC-VC Systems. [PDF]

Materials (Basel)
Ivzhenko V, Vovk R, Hevorkian E, Kosenchuk T, Chyshkala V, Nerubatskyi V, Cherniavskyi V, Shamsutdinova N.   +7 more
europepmc   +1 more source

Research on the Welding Process and Weld Formation in Multiple Solid-Flux Cored Wires Arc Hybrid Welding Process for Q960E Ultrahigh-Strength Steel. [PDF]

Materials (Basel)
Xiang T, Zhang M, Ma Q, Fang Z, Li H, Wang H.   +5 more
europepmc   +1 more source

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Impurities and Nonmetallic Inclusions in Aluminum

JOM, 1965
A study of the effects of aluminum reduction cells, holding furnaces, and three-layer refining cells produced some interesting results.
M. Ishihara, K. Mukai
openaire   +1 more source

Nonmetallic inclusions in important steels

Russian Metallurgy (Metally), 2011
The contamination of 30Cr2Ni4MoV rotor steel with exogenous nonmetallic inclusions is studied. Technological measures intended to decrease the level of contamination of the steel with nonmetallic inclusions and to enhance its quality are recommended.
Yu. V. Sobolev, Yu. M. Batov, S. Yu. Afanas’ev, S. A. Chernyakhovskii, L. T. Afanas’eva, A. G. Vladimirov   +5 more
openaire   +1 more source

Nonmetallic inclusions in steel U10A wire

Metal Science and Heat Treatment, 1990
1. In wire of high-carbon tool steel U10A intended for manufacturing sewing machine needles nonmetallic inclusions of two types are observed: globular and drawn-out in shape. 2. The inclusions have a complex composition and they are not pure graphite. They contain a high amount of carbon.
V. G. Khoroshailov, L. T. Zhukova, E. G. Lashkova, N. B. Tsvetova   +3 more
openaire   +1 more source

Nonmetallic inclusions in alloys of the YuNDK24 type

Metal Science and Heat Treatment, 1970
Different types of inclusions have various effects on the type of microstructure formed. Sulfides are the most active. Corundum and carbides affect the structure to a lesser extent than sulfides.
R. P. Leshchinskaya, G. P. Samartseva
openaire   +1 more source

Nonmetallic inclusions in high-speed steel

Metal Science and Heat Treatment of Metals, 1962
1. Various nonmetallic inclusions — oxides, brittle and plastic silicates, and globular bodies — may be encountered in high-speed steel. 2. High-speed steel is primarily contaminated by brittle inclusions the amount of which most frequently corresponds to numbers 3–5 of the TsNIIChM scale.
Ye. A. Smol'nikov, A. S. Badayeva
openaire   +1 more source