Results 111 to 120 of about 19,633 (265)

TO THE PROSPECTING OF LODE GOLD DEPOSITS IN DIFFICULT MOUNTAIN-TAIGA LANDSCAPES: THE MIDDLE-ISHIMBINSK AREA OF YENISEI GOLD PROVINCE (KRASNOYARSK REGION)

RUDN Journal of Engineering Research, 2015
The paper is devoted to the new methods of prospecting of lode gold deposits in difficult mountain- taiga landscapes. Their efficiency and the preliminary results of exploration for the Sredne-Ishimbinskaya area in Yenisei gold province are discussed ...
R Kh Mansurov
doaj  

Gold mineralization of the Arctic Belt of the Russian Far East

Руды и металлы
The gold ore-bearing potential of the Early Cretaceous Arctic orogenic belt of the Far Eastern Arctic is characterized. The gold mineralization is represented by the Au-quartz vein, Au-sulfide disseminated in folded and crushed zones, Au-Bi (gold-rare ...
Goryachev N. A.
doaj   +1 more source

Synergistic Physicochemical Inhibition of Reactive Shale Formations Using Hydrothermally Synthesized Hydroxyapatite Nickel Tungstate Nanocomposites in Water‐Based Drilling Fluids

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Wellbore instability driven by the volumetric expansion of reactive shale formations remains a primary operational challenge in modern drilling engineering, causing severe mechanical failures and substantial economic deficits. The objective of this study is to formulate and evaluate a novel dual‐action chemical additive capable of ...
Ghaleb Oriquat, Basim Abdul Alrhym, A. C. Umamaheshwer Rao, Shivam P. Chaudhary, Pardeep Singh Bains, Ripendeep Singh, Murotov Nurshod, Rasulbek Eshmetov, Ahmad Abumalek   +8 more
wiley   +1 more source

Sustainable Manufacturing Platforms for Closed‐Cycle Bioeconomy Applications

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The transition to a circular bioeconomy requires innovative production platforms that prioritize sustainability, resource efficiency, and waste minimization. Organic waste from agriculture, aquaculture, and food production represents an underutilized feedstock for biomanufacturing, contributing to a circular economy.
Yelizaveta Chernysh, Ruslan Ostroha, Hynek Roubík   +2 more
wiley   +1 more source

Circular Economy‐Driven Cs/Sg/MGNPs/AC Composite for Efficient Methylene Blue Removal and Subsequent Valorization as a Urea Oxidation Electrocatalyst

Journal of Applied Polymer Science, EarlyView.
This image is a graphical abstract for outlining the synthesis, characterization, and application of a novel composite material designed to remove toxic pollutants (specifically Methylene Blue dye; MB) from water, and its subsequent use in electrochemical applications.
Rehab Mahmoud, Lina M. Alneghery, Ahmed Abdelazim Khalifa, Marwa H. Shemy, Ahmed A. Allam, Saber A. A. Elsuccary, Samar M. Mahgoub   +6 more
wiley   +1 more source

Chitosan/Gelatin Hydrogels With Hydroxyapatite/Silver Nanoparticles: A Dual Antimicrobial and Biocompatible Platform for Bone Regeneration

Journal of Applied Polymer Science, EarlyView.
Chitosan/gelatin hydrogels containing hydroxyapatite or hydroxyapatite/silver nanoparticles were developed and evaluated for bone tissue engineering applications, demonstrating biocompatibility and antimicrobial activity. ABSTRACT Bone tissue engineering demands multifunctional biomaterials capable of promoting regeneration while preventing local ...
Elisabeth Assis Martins Machado, Anne Caroline da Silva Rocha, Lívia Rodrigues de Menezes   +2 more
wiley   +1 more source

Advances in Chitosan Nanoparticles: A Comprehensive Review of Properties, Synthesis, Characterization, Multidisciplinary Applications, and Future Perspectives

Journal of Applied Polymer Science, EarlyView.
This review highlights the synthesis of chitosan nanoparticles from natural sources, the thorough characterization of them, and use of microscopic and spectroscopic methods. It emphasizes that it has some indispensable properties such as being non‐toxic, antimicrobial, and capable of controlled drug release.
Mariam Sohail Mansoor, Nayab Raza, Furqana Bibi, Madiha Mumtaz, Asif Abbas, Farasat Haider, Basit Ali   +6 more
wiley   +1 more source

Functional models from limited data: A parametric and multimodal approach to anatomy and 3D kinematics of feeding in basking sharks (Cetorhinus maximus)

The Anatomical Record, EarlyView.
Abstract Basking sharks, Cetorhinus maximus (Gunnerus, Brugden [Squalus maximus], Det Kongelige Norske Videnskabers Selskabs Skrifter, 1765, vol. 3, pp. 33–49), feed by gaping their mouths and gill slits, greatly reorienting their cranial skeletons to filter food from water.
Tairan Li, Mike Schindler, Martha Paskin, Venkata A. Surapaneni, Elliott Scott, Sabine Hauert, Nicholas Payne, David E. Cade, Jeremy A. Goldbogen, Frederik H. Mollen, Daniel Baum, Sean Hanna, Mason N. Dean   +12 more
wiley   +1 more source

Dental crown morphological variation and heterodonty in carcharhiniform sharks

The Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

Data for the potential gold mineralization mapping with the applications of Electrical Resistivity Imaging and Induced Polarization geophysical surveys. [PDF]

Data Brief, 2019
Arifin MH, Kayode JS, Izwan MK, Zaid HAH, Hussin H.   +4 more
europepmc   +1 more source