Linking germline telomere removal to global programmed DNA elimination in Tetrahymena genome differentiation [PDF]
eLifeIn the ciliate Tetrahymena, telomeres of the germline micronucleus (MIC) are removed and replaced by de novo telomere addition during somatic macronuclear (MAC) development.
Kohei Nagao +3 more
doaj +2 more sources
A simple method for modeling amyloid kinetics featuring position biased fiber breakage
Biophysics and Physicobiology, 2020 A mathematical model of amyloid fiber formation is described that is able to simply specify different rates of fiber breakage at internal versus end regions.
Damien Hall
doaj +4 more sources
Role of cavitation on the dissolution of lanthanide oxides in nitric acid [PDF]
Ultrasonics SonochemistryThe dissolution of lanthanide oxides in nitric acid is a key step in hydrometallurgical processing, nuclear materials management, and the production of high purity lanthanides.
Sutanwi Lahiri +2 more
doaj +2 more sources
PowdersPopulation balance models (PBMs) for milling processes are based on two fundamental concepts: specific breakage rate function and breakage distribution function, which vary with particle size as well as design–operation conditions.
Ecevit Bilgili
exaly +3 more sources
Investigation of the performance of grooved grinding rods as a lifter in a laboratory rod mill [PDF]
International Journal of Mining and Geo-Engineering, 2023 To date, there has been limited research conducted comparing the effects of various grinding media shapes on milling kinetics, load behavior, and mill power draw. However, no research has been conducted on their effects on a lifter.
Majid Khani Khereshki +2 more
doaj +1 more source
Study of the Effect of the Mineral Feed Size Distribution on a Ball Mill Using Mathematical Modeling [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2021 In this paper, the effect of the feed size distribution was studied for a ball mill. Copper ore of 0.5% was tested using batch-grinding tests. Samples were carried out using three reconstructed feed size distributions in an experimental ball mill.
Israel Rodríguez-Torres +4 more
doaj +1 more source
Do Mixtures of Beads with Different Sizes Improve Wet Stirred Media Milling of Drug Suspensions?
Pharmaceutics, 2023 The impacts of bead sizes and bead mixtures on breakage kinetics, the number of milling cycles applied to prevent overheating, and power consumption during the nanomilling of drug (griseofulvin) suspensions were investigated from both an experimental and
Gulenay Guner +6 more
doaj +1 more source
Pharmaceutics, 2021 This study examined the impact of stirrer speed and bead material loading on fenofibrate particle breakage during wet stirred media milling (WSMM) via three kinetic models and a microhydrodynamic model.
Gulenay Guner +2 more
doaj +1 more source
The effect of microwave radiation on grinding kinetics by selection function and breakage function - A case study of low-grade siliceous manganese ores [PDF]
Journal of Particle Science and Technology, 2018 In this study, the effect of microwave radiation on grindability and grinding kinetics were investigated. Microwave treatment was performed using an oven with 1100 W power and 2.45 GHz frequency.
Monireh Heshami +2 more
doaj +1 more source
Synergism of the action of some stabilisers against the destruction of polymer materials [PDF]
E3S Web of Conferences, 2021 The process of thermal-oxidative degradation of polymer materials has been studied on the example of polyethylene in the presence of quinones and / or nitroxyl radicals.
Zhukova Irina +4 more
doaj +1 more source