Size-dependent bandgap and particle size distribution of colloidal semiconductor nanocrystals [PDF]
, 2017 A new analytical expression for the size-dependent bandgap of colloidal semiconductor nanocrystals is proposed within the framework of the finite-depth square-well effective mass approximation in order to provide a quantitative description of the quantum
A. G. Silva +15 more
core +2 more sources
The Smallest Particles in Saturn's A and C Rings [PDF]
, 2013 Radio occultations of Saturn's main rings by spacecraft suggest a power law particle size-distribution down to sizes of the order of 1 cm (Marouf et al., 1983), (Zebker et al., 1985).
Harbison, Rebecca A. +2 more
core +1 more source
A Novel Optical Instrument for Measuring Mass Concentration and Particle Size in Real Time
Sensors, 2023 Particle mass and particulate size are two important parameters used to characterize the aerosol. Currently, there are a few methods for measuring particle mass concentration and particle size.
Jingxiu Zhang +3 more
doaj +1 more source
Particle size dynamics in abrading pebble populations [PDF]
Earth Surface Dynamics, 2021 Abrasion of sedimentary particles in fluvial and eolian environments is widely associated with collisions encountered by the particle. Although the physics of abrasion is complex, purely geometric models recover the course of mass and shape evolution of ...
A. A. Sipos +5 more
doaj +1 more source
Intercomparison of 15 aerodynamic particle size spectrometers (APS 3321): uncertainties in particle sizing and number size distribution [PDF]
Atmospheric Measurement Techniques, 2016 Aerodynamic particle size spectrometers are a well-established method to measure number size distributions of coarse mode particles in the atmosphere.
S. Pfeifer +12 more
doaj +1 more source
Bioaerosol Identification by Wide Particle Size Range Single Particle Mass Spectrometry
Atmosphere, 2023 The properties of bioaerosols are complex and diverse, and have a direct impact on the environment, climate, and human health. The effective identification of bioaerosols in the atmosphere is very significant with regard to accurately obtaining the ...
Xuan Li +8 more
doaj +1 more source
Impact of Particle Size Distribution of Colloidal Particles on Contaminant Transport in Porous Media
Applied Sciences, 2019 The presence of retained colloidal particles causes the retardation of contaminant transport when the contaminant is favorably adsorbed to colloidal particles. Although the particle size distribution affects the retention behavior of colloidal particles,
Jongmuk Won +4 more
doaj +1 more source
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
FEBS Letters, EarlyView.Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Soil Particle Size Distribution Protocol [PDF]
, 2003 The purpose of this resource is to sure the distribution of different sizes of soil particles in each horizon of a soil profile. Using dry, sieved soil from a horizon, students mix the soil with water and a dispersing solution to completely separate the ...
The GLOBE Program, University Corporation for Atmospheric Research (UCAR)
core
Animals, 2020 This study was conducted to evaluate the effect of corn particle size on the particle size of intestinal digesta or feces and nutrient digestibility of corn–soybean meal diets.
Qingtao Gao +4 more
doaj +1 more source