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1. Full Text Small Dense Low-Density Lipoprotein-Cholesterol Concentrations Predict Risk for Coronary Heart Disease: The Atherosclerosis Risk in Communities (ARIC) Study
by Hoogeveen, Ron C and Gaubatz, John W and Sun, Wensheng and Dodge, Rhiannon C and Crosby, Jacy R and Jiang, Jennifer and Couper, David and Virani, Salim S and Kathiresan, Sekar and Boerwinkle, Eric and Ballantyne, Christie M
Arteriosclerosis, Thrombosis, and Vascular Biology, ISSN 1079-5642, 05/2014, Volume 34, Issue 5, pp. 1069 - 1077
OBJECTIVE—To investigate the relationship between plasma levels of small dense low-density lipoprotein-cholesterol (sdLDL-C) and risk for incident coronary... 
coronary disease | genome-wide association study | triglycerides | LDL PARTICLE-SIZE | TRIGLYCERIDE | SUBCLASSES | SUBFRACTIONS | PHENOTYPE | LOCI | PROPROTEIN CONVERTASES | MEN | PERIPHERAL VASCULAR DISEASE | HEMATOLOGY | GENOME-WIDE ASSOCIATION | ARTERY-DISEASE | Predictive Value of Tests | United States - epidemiology | Prevalence | Prognosis | Prospective Studies | Atherosclerosis - genetics | Humans | Middle Aged | Coronary Disease - epidemiology | Male | Atherosclerosis - epidemiology | Incidence | Genetic Variation | Time Factors | Atherosclerosis - diagnosis | Cholesterol, LDL - blood | Female | Coronary Disease - blood | Genetic Predisposition to Disease | Genome-Wide Association Study | Risk Assessment | Risk Factors | Proportional Hazards Models | Linear Models | Logistic Models | Biomarkers - blood | Coronary Disease - diagnosis | Atherosclerosis - blood | Particle Size | Phenotype | Coronary Disease - genetics | Subtilisins - genetics | Aged
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2. Ultra-Coarse-Grained Models Allow for an Accurate and Transferable Treatment of Interfacial Systems
by Jaehyeok Jin and Gregory A Voth
Journal of Chemical Theory and Computation, ISSN 1549-9618, 04/2018, Volume 14, Issue 4, p. 2180
Interfacial systems are fundamentally important in many processes. However, constructing coarse-grained (CG) models for such systems is a significant challenge... 
Particle density (concentration) | Order parameters | Molecular chains
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3. Full Text Drainage dynamics of thin liquid foam films containing soft PNiPAM microgels: influence of the cross-linking density and concentration
by Keal, L and Lapeyre, V and Ravaine, V and Schmitt, V and Monteux, C
SOFT MATTER, ISSN 1744-683X, 01/2017, Volume 13, Issue 1, pp. 170 - 180
We investigate the drainage dynamics of thin liquid foam films containing PNiPAM microgel suspensions with two cross-linking densities (1.5 and 5 mol% BIS) and... 
PICKERING EMULSIONS | POLYMER SCIENCE | PARTICLES | PHYSICS, MULTIDISCIPLINARY | STABILIZED EMULSIONS | MATERIALS SCIENCE, MULTIDISCIPLINARY | OIL-WATER INTERFACE | CHEMISTRY, PHYSICAL | POLY(N-ISOPROPYLACRYLAMIDE) MICROGELS | THICKNESS CURVES | DISJOINING PRESSURE | TEMPERATURE | SENSITIVE MICROGELS | PHASE-DIAGRAMS | Drainage | Foams | Thin films | Liquids | Adhesives | Microgels | Crosslinking | Density
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4. Full Text Effect of particle size, density, and concentration on granular mixing in a double screw pyrolyzer
by Marmur, Breanna L and Heindel, Theodore J
Powder Technology, ISSN 0032-5910, 11/2016, Volume 302, pp. 222 - 235
Double screw pyrolyzers can be used to convert cellulosic biomass into bio-oil. Bio-oil can then be converted into synthetic gasoline, diesel, and other... 
Mixing | Powder technology | Multiphase flow | Renewable energy | Granular materials | Particulate process | VISUALIZATION | OPERATING-CONDITIONS | POWDER FLOW | SEGREGATION | ENGINEERING, CHEMICAL | FEEDER | MIXER | OPTIMIZATION | SCALE | Pyrolysis | Synthetic fuels | Analysis | Air pollution | Powders | Visualization (Computers)
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5. Electron densities and scale heights in the topside ionosphere
: Alouette I observations over the American continents
by Chan, Kwok-long, 1933 and Colin, Lawrence and Thomas, John O. 1926- (John Orion)
1966, NASA SP, Volume 3027, 3032, 3034, v.
Ionospheric electron density
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6. Full Text Many-Body Quantum Dynamics by the Reduced Density Matrix Based on Time-Dependent Density-Functional Theory
by Nazarov, VU
PHYSICAL REVIEW LETTERS, ISSN 0031-9007, 08/2019, Volume 123, Issue 9, p. 1
We evaluate the density matrix of an arbitrary quantum mechanical system in terms of the quantities pertinent to the solution of the time-dependent density... 
SPECTROSCOPY | PHYSICS, MULTIDISCIPLINARY | Particle density (concentration) | Time dependence | Perturbation methods | Quantum mechanics | Density functional theory | Mechanical systems | Photoelectric emission | Electron gas | Physics - Mesoscale and Nanoscale Physics
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7. Full Text H3+ as a five-body problem described with explicitly correlated Gaussian basis sets
by Muolo, Andrea and Mátyus, Edit and Reiher, Markus
The Journal of Chemical Physics, ISSN 0021-9606, 10/2019, Volume 151, Issue 15, p. 154110
Various explicitly correlated Gaussian (ECG) basis sets are considered for the solution of the molecular Schrödinger equation with particular attention to the... 
Particle density (concentration) | Schroedinger equation | Algorithms
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8. Effect of particle size, density, and concentration on granular mixing in a double screw pyrolyzer
by Breanna L Marmur and Theodore J Heindel
Powder Technology, ISSN 0032-5910, 11/2016, Volume 302, p. 222
Double screw pyrolyzers can be used to convert cellulosic biomass into bio-oil. Bio-oil can then be converted into synthetic gasoline, diesel, and other... 
Particle size | Oil and gas exploration | Alternative energy | Transportation | Statistical methods | Biomass | Effects | Diesel fuels | Density | Cold flow | Casing (process) | Glass beads | Qualitative analysis | Quantitative analysis | Pyrolysis | Thermal decomposition | Optical pumping | Studies | Particle density (concentration) | Heat | Nuclear fuels | Oil | Gasoline | Two materials | Beads | Carrier density
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9. Full Text Drainage dynamics of thin liquid foam films containing soft PNiPAM microgels: influence of the cross-linking density and concentration
by Keal, L and Lapeyre, V and Ravaine, V and Schmitt, V and Monteux, C
Soft Matter, ISSN 1744-683X, 2017, Volume 13, Issue 1, pp. 170 - 180
We investigate the drainage dynamics of thin liquid foam films containing PNiPAM microgel suspensions with two cross-linking densities (1.5 and 5 mol% BIS) and... 
Soft Condensed Matter | Condensed Matter | Physics
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10. Full Text Influence of particle size, density, particle concentration on bend erosive wear in pneumatic conveyors
by Macchini, R and Bradley, M.S.A and Deng, T
Wear, ISSN 0043-1648, 06/2013, Volume 303, Issue 1-2, pp. 21 - 29
Particle concentration is a principal factor that affects erosion rate of solid surfaces under particle impact, such as pipe bends in pneumatic conveyors; it... 
Particle size | Pneumatic conveyors | Erosive wear | Shielding effect | Empirical model | Density and concentrations | MATERIALS SCIENCE, MULTIDISCIPLINARY | ENGINEERING, MECHANICAL | Air pollution | Collisions (Nuclear physics) | Conveying machinery | Analysis | Erosion rate | Collisions | Wear | Mathematical models | Shielding | Density
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11. Full Text Density-Dependent Speed-up of Particle Transport in Channels
by Misiunas, Karolis and Keyser, Ulrich F
Physical review letters, ISSN 0031-9007, 05/2019, Volume 122, Issue 21, p. 214501
Collective transport through channels shows surprising properties under one-dimensional confinement: particles in a single file exhibit subdiffusive behavior,... 
Particle density (concentration) | Confinement | Porous materials | Fluid filters | Transport | Brownian movements | Channels | Microfluidics
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12. Comparison of the telegraph and hyperdiffusion approximations in cosmic-ray transport
by Litvinenko Yuri E and Noble P L
Physics of Plasmas, ISSN 1070-664X, 06/2016, Volume 23, Issue 6
The telegraph equation and its generalizations have been repeatedly considered in the models of diffusive cosmic-ray transport. Yet the telegraph model has... 
Particle density (concentration) | Predictions | Transport | Cosmic rays
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13. Full Text Communication: Self-interaction correction with unitary invariance in density functional theory
by Pederson, Mark R and Ruzsinszky, Adrienn and Perdew, John P
Journal of Chemical Physics, ISSN 0021-9606, 03/2014, Volume 140, Issue 12, p. 121103
Standard spin-density functionals for the exchange-correlation energy of a many-electron ground state make serious self-interaction errors which can be... 
LOCALIZED ORBITALS | STATES | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | CHEMISTRY, PHYSICAL | GENERALIZED-GRADIENT APPROXIMATION | EXCHANGE | ELECTRONIC-STRUCTURE | MOLECULES | Particle density (concentration) | Density functional theory | Orbitals | Atomizing | DENSITY | SPIN | DENSITY FUNCTIONAL METHOD | INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY | INTERACTIONS | GROUND STATES | SILICON CARBIDES | DENSITY MATRIX
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14. Magnetic Structure of Density Matrices
by Thomas M Henderson and Carlos A Jiménez-Hoyos and Gustavo E Scuseria
Journal of Chemical Theory and Computation, ISSN 1549-9618, 02/2018, Volume 14, Issue 2, p. 649
The spin structure of wave functions is reflected in the magnetic structure of the one-particle density matrix. Indeed, for single determinants we can use... 
Broken symmetry | Matrix methods | Density | Particle density (concentration) | Mathematical analysis | Magnetic structure | Determinants | Magnetism | Wave functions | Eigenvectors | Conjugation | Spin structure | Quantum theory
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15. Full Text Criticality of a Randomly-Driven Front
by Dembo, A and Tsai, LC
ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS, ISSN 0003-9527, 08/2019, Volume 233, Issue 2, pp. 643 - 699
Consider an advancing front' R(t)Z0 and particles performing independent continuous time random walks on (R(t),)Z. Starting at R(0)=0, whenever a particle... 
MATHEMATICS, APPLIED | MECHANICS | Variations | Particle density (concentration) | Scaling | Random walk
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16. Full Text Catalyst Particle Density Controls Hydrocarbon Product Selectivity in CO2 Electroreduction on CuOx
by Wang, Xingli and Varela, Ana Sofia and Bergmann, Arno and Kühl, Stefanie and Strasser, Peter
ChemSusChem, ISSN 1864-5631, 11/2017, Volume 10, Issue 22, pp. 4642 - 4649
A key challenge of the carbon dioxide electroreduction (CO2RR) on Cu‐based nanoparticles is its low faradic selectivity toward higher‐value products such as... 
electroreduction | carbon dioxide | copper oxide | areal particle density | ethylene | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | NANOCRYSTALS | ELECTROCHEMICAL REDUCTION | CHEMISTRY, MULTIDISCIPLINARY | ELECTROCATALYSTS | NANOPARTICLES | COPPER ELECTRODES | NANOSPHERES | CARBON-DIOXIDE REDUCTION | NANOWIRES | SURFACES | Adsorption | Catalysts | Carbon dioxide | Ethylene | Hydrocarbons | Electrowinning | Selectivity | Density | Nanoparticles | Particle density (concentration) | Magnetic tape | Catalysis | Carbon monoxide | Dimerization
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17. Feedback control for shaping density distributions of colloidal particles in microfluidic devices (Electronic supplementary information (ESI) available. See DOI: 10.1039/c9lc00192a)
by Yu Gao and Richard Lakerveld
Lab on a Chip, ISSN 1473-0197, 01/2019, Volume 19, Issue 13, pp. 2168 - 2177
Directed self-assembly has great potential for the precise manufacture of structured materials at the micro/nano-scale. A local particle density often has to... 
Electrodes | Microelectrodes | Particle density (concentration) | Self assembly | Actuators | Density ratio | Electronic devices | Modular design | Control systems | Feedback control | Microfluidics
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18. Full Text 137Cs and 40K concentration ratios (CRs) in annual and perennial plants in the Caspian coast
by Abbasi, Akbar and Mirekhtiary, Fatemeh
Marine Pollution Bulletin, ISSN 0025-326X, 09/2019, Volume 146, pp. 671 - 677
This research attempted to investigate the plant/soil concentration ratios (CRs) of 137Cs and 40K in plants that grow on the Anzali Lagoon of the Caspian... 
Cesium 137 | Cesium radioisotopes | Marshes | Aquatic plants | Soil investigations | Lagoons | Cesium isotopes | Dry weight | Caesium 137 | Soils | Particle density (concentration) | Ratios | Annual | Soil density | Samples | Drought | Freshwater plants | Ocean currents
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19. Full Text Measuring the Single-Particle Density Matrix for Fermions and Hard-Core Bosons in an Optical Lattice
by Peña Ardila, Luis A and Heyl, Markus and Eckardt, André
Physical Review Letters, ISSN 0031-9007, 12/2018, Volume 121, Issue 26, p. 260401
Ultracold atoms in optical lattices provide clean, tunable, and well-isolated realizations of paradigmatic quantum lattice models. With the recent advent of... 
ULTRACOLD ATOMS | PHYSICS, MULTIDISCIPLINARY | PHYSICS | Optical lattices | Particle density (concentration) | Occupation | Fermions | Lattice sites | Microscopes | Bosons
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20. Full Text Gas-dynamic interpretation of the ion density variations in the magnetosheath: Comparison with cluster data
by Dobreva, P and Nitcheva, O and Koutev, V and Kartalev, M
AIP Conference Proceedings, ISSN 0094-243X, 02/2019, Volume 2075, Issue 1
The purpose of this research is to investigate the wide range of ion density variations in the magnetosheath. In an attempt to explain these variations the... 
Plasma | Magnetosheath | Clusters | Mathematical models | Charged particles | Solar wind | Magnetospheres | Three dimensional models | Ion density (concentration)
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