Results 21 to 30 of about 2,155,826 (293)

Impact of Alternative Synthetic Turf Infills on Athlete Performance and Safety

open access: yesProceedings, 2020
The objective of this study is to determine the impact of three alternative infills of various particle size on athlete performance and safety in a third generation (3G) synthetic fields.
Kyley Dickson   +2 more
doaj   +1 more source

Intercomparison of 15 aerodynamic particle size spectrometers (APS 3321): uncertainties in particle sizing and number size distribution [PDF]

open access: yesAtmospheric 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

open access: yesAtmosphere, 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

Effects of concentration of dispersions on particle sizing during production of fine particles in wet grinding process [PDF]

open access: yes, 2011
Stirred media milling is a prospective technology for producing colloidal dispersions by means of wet grinding process. In the past, many researchers have studied the effects of different operating parameters such as size, shape, nature and quantity of ...
Frances, Christine   +2 more
core   +2 more sources

Impact of Particle Size Distribution of Colloidal Particles on Contaminant Transport in Porous Media

open access: yesApplied 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

Competition of mixing and segregation in rotating cylinders

open access: yes, 1998
Using discrete element methods, we study numerically the dynamics of the size segregation process of binary particle mixtures in three-dimensional rotating drums, operated in the continuous flow regime.
Christian M. Dury   +4 more
core   +1 more source

Soil Particle Size Distribution Protocol [PDF]

open access: yes, 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  

An Insight Analysis of Nano sized powder of Jackfruit Seed

open access: yes, 2011
The preparation of biodegradable nanomaterials by blending starch nanocrystals with various polymer matrices are the most active research. This work reports aspect related to nano-sized particles of jackfruit seed.
Alagar, M., Theivasanthi, T.
core   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Powder Technology and Pharmaceutical Development: Particle Size and Particle Adhesion

open access: yesKONA Powder and Particle Journal, 2013
Both the FDA (U.S. Food and Drug Administration) and ICH (International Conference on Harmonisation) have urged the incorporation of Quality by Design (QbD)1) into the manufacture of pharmaceutical products2).The performance of many pharmaceutical ...
Frank M. Etzler, Mohammad Nasir Uddin
doaj   +1 more source

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