Results 81 to 90 of about 97,963 (258)

Experimental and Statistical Evaluation of Cutting Methods in Relation to Specific Energy and Rock Properties

Rock Mechanics and Rock Engineering, 2012
In a processing plant, natural stone can be cut by methods such as circular sawing (CS), frame sawing (FS), water jet cutting (WJC) and abrasive water jet cutting (AWJC). The efficiency of cutting systems can be compared using various parameters. In this study, the specific energy values were determined and compared to evaluate the efficiency of rock ...
Engin, İrfan Celal, Bayram, Fatih, Yaşıtlı, Nazmi Erhan   +2 more
openaire   +4 more sources

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

FEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová, Grigorii Rakhalskii, Miroslav Almáši   +2 more
wiley   +1 more source

Numerical simulation of rock breaking by PDC bit in hot dry rocks

Natural Gas Industry B, 2019
Penetrating through hot dry rocks for geothermal resources with high geothermal gradients, high degrees of hardness and abrasivity will be extremely difficult, and a reasonable tooth distribution is a key factor to improve its rock-breaking efficiency ...
Xiaohua Zhu, Zhaowang Dan
doaj   +1 more source

Aquaporin‐3 and aquaporin‐5 impact the development of pancreatic ductal adenocarcinoma spheroids

FEBS Open Bio, EarlyView.
Schematic representation of the role of aquaporin‐3 (AQP3) and aquaporin‐5 (AQP5) in pancreatic ductal adenocarcinoma (PDAC). Both proteins are upregulated in PDAC and are associated with tumor progression and metastatic potential. Silencing AQP3 or AQP5 in PDAC spheroids results in decreased diameter, area, and overall growth, underscoring their key ...
Catarina Pimpão, Diogo M. Engrácia, Graça Soveral, Filipa Mendes   +3 more
wiley   +1 more source

Analysis of selected functional parameters of saw chains

Journal of Forest Science
Results obtained from the research study focused on the functional parameters of five saw chains tested on a test bench equipped with an electrically driven chain saw brought a number of findings.
Pavel Nevrkla, Luboš Staněk, Jindřich Neruda   +2 more
doaj   +1 more source

Molecular characterization of covRS mutations in M1UK Streptococcus pyogenes

FEBS Open Bio, EarlyView.
Group A Streptococcus (GAS) acquires covRS mutations driving a hypervirulent bacterial state, frequently associated with invasive disease‐like necrotizing fasciitis. We demonstrate that the newly emerged M1UK GAS lineage can also acquire these mutations.
Jarrad Pritchard, Emma‐Jayne Proctor, Jiawa Wang, Nikolas P. Johnston, Andrew Hayes, Georgia McCorkell, Haibo Yu, Jai Tree, Mark R. Davies, Mark J. Walker, Ronald Sluyter, Stephan Brouwer, Martina L. Sanderson‐Smith   +12 more
wiley   +1 more source

Energy efficiency identification and surface roughness prediction using cutting force signal for computer numerical controlled machine systems

Scientific Reports
The energy efficiency identification of machining process plays an indispensable part in achieving energy-efficient manufacturing and improving energy utilization as well as productivity and surface quality.
Chunhua Feng, Meng Li, Haohao Guo, Binbin Qiu, Jingyang Zhang   +4 more
doaj   +1 more source

Development of a Laboratory-Integrated Microwave-Assisted Cutting Machine and Its Use in Carbonate Rocks

Applied Sciences
Full-face tunnel boring machines (TBMs) can be used to excavate hard rocks, but there are still significant issues with low advance rate and high cutter wear. However, roadheaders and other mechanical excavators are unable to cut hard rocks.
Masoud Rostami Ghabankandi, Sair Kahraman, Ramazan Comakli, Mustafa Fener, Andrei Andras, Florin Dumitru Popescu   +5 more
doaj   +1 more source

From energy provision to protein synthesis: Tunnelling nanotubes as mediators of intercellular metabolic cooperation in cancer

FEBS Open Bio, EarlyView.
The cytoskeleton‐mediated transport of mitochondria via tunnelling nanotubes restores respiration, increases ATP production, rescues cells from apoptosis, activates the AKT/mTOR signalling pathway, promotes cell migration and invasiveness, contributes to cancer progression and treatment resistance.
Stanislava Martínková, Jan Trnka
wiley   +1 more source

Trade-off analysis of machinability of steel alloy AISI 304L using Taguchi-grey integrated approach

Journal of Materials Research and Technology
Energy analysis during machine tool operations in manufacturing sector is becoming one of the prominent research avenues due to rising energy costs and environmental impact brought on by high energy consumption.
Faisal Abbas, Muhammad Ali Khan, Muhammad Iftikhar Faraz, Syed Husain Imran Jaffery, Sohail Akram, Jana Petru, Refka Ghodhbani, Walid M. Shewakh   +7 more
doaj   +1 more source