نوع المادة: كتاب

الموضوعات

General Relativity; Gravitation; Astrophysics; Quantum Gravity; Cosmology; Theoretical Physics; String Theory; Gravitational Wave; Gamma Ray Burst; Black Hole; Active Galactic Nuclei; Neutron Star; Pulsar; White Dwarf; Dark Matter; Neutrinos; X-ray Sources; Binary Systems; Radiative Transfer; Accretion Disks; Supernova; Black Hole Thermodynamics; Numerical Relativity; Gravitational Lensing; Large Scale Structure; Observational Cosmology; Early Universe Models; Cosmic Microwave Background Anisotropies; Inhomogeneous Cosmology; Inflation; Einstein-Maxwell Systems; Wormholes; Exact Solutions of Einstein's Equations; Gravitational Wave Detectors and Data Analysis; Precision Gravitational Measurements; Loop Quantum Gravity; Quantum Cosmology; Cosmic Rays

المصادر: قاعدة بيانات الكتب المجانية

اللغة: الإنجليزية

التاريخ: 2017

ردمك: 9789813226609

ملف خارجي

نوع المادة: كتاب

الموضوعات

breaking waves; turbulence invariants; laboratory experiments; flow-through system; tidal inlets; residence time; coastal lagoon; MIKE 3 FM (HD &; TR); MIKE 21 FM (HD); dense jet; current flow; velocity; trajectory; turbulence; dissipation; rivers; meanders; turbulence; secondary motion; prediction; bedrock canyon; ADCP; eddy viscosity; bed shear stress; spatial analysis; smoothed particle hydrodynamics models; physical modelling; plunging breaking waves; vorticity; turbulent jet; wave–current interaction; spectral dissipation; bottom friction; numerical model; hydrodynamic model; spectral model; wave attenuation; energy dissipation; drag coefficient; flexible vegetation; Spartina maritima; vegetation patch; wake region; submerged ratio; SVF; channel confluences; junction angle; flow deflection zone; flow retardation zone; flow separation zone; numerical modelling; PANORMUS; jets; waves; turbulence; mixing; diffusion; advection; river mouth; flow mixing; nonlinear shallow water equations; macrovortices; sub-grid turbulence; seabed friction; flow resistance; roughness; gravel-bed rivers; casting technique; CFD; Kelvin–Helmholtz; billow; lobe; cleft; gravity current; surface waves; inclined negatively buoyant jets; regular waves; dilution; sea discharges; rivers; maritime areas; turbulent processes

المصادر: قاعدة بيانات الكتب المجانية

اللغة: الإنجليزية

التاريخ: 2019

ردمك: 9783038975946

ملف خارجي

نوع المادة: كتاب

الموضوعات

wake; bluff body; square cylinder; DDES; URANS; turbulence model; large eddy simulation; Taylor–Green vortex; numerical dissipation; modified equation analysis; truncation error; MUSCL; dynamic Smagorinsky subgrid-scale model; kinetic energy dissipation; computational fluid dynamics (CFD); microfluidics; numerical methods; gasdynamics; shock-channel; microelectromechanical systems (MEMS); discontinuous Galerkin finite element method (DG–FEM); fluid mechanics; characteristics-based scheme; multi-directional; Riemann solver; Godunov method; bifurcation; wind tunnel; neural networks; modeling; unsteady aerodynamic characteristics; high angles of attack; hypersonic; wake; chemistry; slender-body; angle of attack; detection; after-body; S-duct diffuser; flow distortion; flow control; vortex generators; aeroelasticity; reduced-order model; flutter; wind gust responses; computational fluid dynamics; convolution integral; sharp-edge gust; reduced order aerodynamic model; geometry; meshing; aerodynamics; CPACS; MDO; VLM; Euler; CFD; variable fidelity; multi-fidelity; aerodynamic performance; formation; VLM; RANS; hybrid reduced-order model; quasi-analytical; aeroelasticity; flexible wings; subsonic; wing–propeller aerodynamic interaction; p-factor; installed propeller; overset grid approach

المصادر: قاعدة بيانات الكتب المجانية

اللغة: الإنجليزية

التاريخ: 2019

ردمك: 9783038976103

ملف خارجي

نوع المادة: كتاب

الموضوعات

micro-crack propagation; severing force; quartz glass; micro-grinding; microfluidics; single-cell analysis; polymeric microfluidic flow cytometry; single-cell protein quantification; glass molding process; groove; roughness; filling ratio; label-free sensor; optofluidic microbubble resonator; detection of small molecules; chalcogenide glass; infrared optics; precision glass molding; aspherical lens; freeform optics; micro/nano patterning; 2D colloidal crystal; soft colloidal lithography; strain microsensor; vectorial strain gauge; compound glass; microsphere; resonator; lasing; sensing; microresonator; whispering gallery mode; long period grating; fiber coupling; distributed sensing; chemical/biological sensing; direct metal forming; glassy carbon micromold; enhanced boiling heat transfer; metallic microstructure; microspheres; microdevices; glass; polymers; solar energy; nuclear fusion; thermal insulation; sol-gel; Ag nanoaggregates; Yb³⁺ ions; down-shifting; photonic microdevices; alkali cells; MEMS vapor cells; optical cells; atomic spectroscopy; microtechnology; microfabrication; MEMS; microfluidic devices; laser materials processing; ultrafast laser micromachining; ultrafast laser welding; enclosed microstructures; glass; porous media; fluid displacement; spray pyrolysis technique; dielectric materials; luminescent materials; photovoltaics; frequency conversion; device simulations; europium; luminescence; hybrid materials; microdevices; light; photon; communications; waveguides; fibers; biosensors; microstructured optical fibers; whispering gallery modes; light localization; optofluidics; lab-on-a-chip; femtosecond laser; laser micromachining; diffusion

المصادر: قاعدة بيانات الكتب المجانية

اللغة: الإنجليزية

التاريخ: 2019

ردمك: 9783038976189

ملف خارجي

نوع المادة: كتاب

الموضوعات

commuting; well-being; personality; gender; stress; Internet addiction; Internet gaming disorder; game device usage pattern; smartphone; comorbidity; Internet gaming disorder; IGD; emotional regulation; cognitive reappraisal; suppression; depression; hostility; internet gaming disorder; Dickman Impulsivity Inventory-Short Version (DII); Brief Self-Control Scale (BSCS); Symptom Checklist-90-Revised (SCL-90-R); Behavioral Inhibition System/Behavioral Activation System (BIS/BAS); Diagnostic and Statistical Manual for Mental Disorders (DSM-5); gambling; video-game addiction; screen addiction; immersion; problematic Internet use; comorbidity; cognitive distortion; problematic smartphone use; smartphone addiction; social media; approaches to learning; deep approach to learning; surface approach to learning; smartphone; problematic mobile phone use; convergent design; focus group; survey; internet gaming disorder; impulsivity; depression; interpersonal relationships; serial mediation; Internet addiction; mobile phone addiction; online social network; university students; technological addictions; behavioral addictions; CERI; CERM; mobile phone dependence; mobile phone use; impulsivity; China; Internet addiction; Internet-use disorder; Internet literacy; expectancies; personality; cultural differences; pathological video-game use; Internet Gaming Disorder; comorbid psychopathology; review; Internet Use Disorder; prevalence; epidemiology; adolescence; latent profile analysis; anxiety; depression; Internet addiction; smartphone addiction; propensity score; Internet addiction; coping strategies; personality traits; young people; mobile phone use; smartphone use; Problematic Mobile Phone Use; Problematic Mobile Phone Use Questionnaire; psychometric testing; measurement invariance; time; gaming disorder; interpersonal relations; self-efficacy; self-control; expectations; fear of missing out (FOMO); social media; problematic social media use (PSMU); phubbing; teenagers; adolescents; addiction; internet addiction; mobile phone (or smartphone) use; young children; early childhood education; parenting; emergent bilinguals; intergenerational language transmission; behavioural addictions; generalised versus specific problem Internet uses; Internet addiction; gaming disorder; social networking; mixed methods research

المصادر: قاعدة بيانات الكتب المجانية

اللغة: الإنجليزية

التاريخ: 2019

ردمك: 9783038976042

ملف خارجي

نوع المادة: كتاب

الموضوعات

air-steam gasification; equilibrium model; tar; energy exchange; exergy efficiency; bio-electro-Fenton microbial fuel cells (Bio-E-Fenton MFCs); wastewater; photo catalyst; degradation; calcination; chemical oxygen demand (COD); MFC; hydrodynamic boundary layer; recirculation mode; shear rate; voltage; charge transfer resistance; biodiesel; direct transesterification; Rhodotorula glutinis; single cell oil; biogas; tri-reforming process; syngas; methane and carbon dioxide conversion; hydrogen/carbon monoxide ratio; first-law/second-law efficiency; biodiesel; esterification; liquid lipase; superabsorbent polymer; response surface methodology; waste wood; torrefaction; energy yield; mass yield; CHO index; gross calorific value; Van Krevelen diagram; anaerobic digestion; biogas production; wastewater treatment; membrane bioreactors; anaerobic digestion; methane; carbon dioxide; small-scale biogas plants; developing countries; SOFC; validation; simulation; exergy; syngas; Chlorella; coal-fired flue-gas; screening; biodiesel property; mixotrophic cultivation; thermophilic anaerobic digestion; corn stover; prairie cord grass; unbleached paper; digester performance; process stability; synergistic effects; microbial community; Methanothermobacter; biochemical methane potential; redox potential reduction; direct interspecies electron transfer; electroactive biofilm; Nejayote; granular activated carbon; Jerusalem artichoke; lignocellulose; acid pretreatment; nitric acid; alkali pretreatment; enzymatic hydrolysis; ethanol fermentation; waste biomass; Vietnam; solid biofuel; calorific value; mechanical durability; fatty acid methyl ester; catalyst; viscosity; iodine value; acidity index; sewage sludge; pyrolytic oil; Taguchi method; thermogravimetric analysis; synergistic effect; combined pretreatment; ball mill; ethanol organosolv; herbaceous biomass; lignin recovery; Annona muricata; biodiesel production; seed oil; soursop; two-step process; response surface methodology; RSM; second-generation biodiesel; stone fruit; optimisation; biodiesel testing; transesterification; lignocellulosic biomass; Miscanthus; mechanical pretreatment; organosolv pretreatment; microbial biofuel; metabolic engineering; alkanes; alcohols; acetone; electrochemical hydrogenation; isopropanol; membrane contamination; polymer electrolyte membrane; relative humidity; diesel; Carica papaya; engine performance; biodiesel; characterisation; porosity; thermophoretic force; biomass fuel; non-premixed combustion; counter-flow structure; mathematical modeling; emulsification; liquefaction; bio-oils; co-surfactant; surfactant; diesel; biogas; Clostridiales; hydrogen-producing bacteria; bioreactors; anaerobic fermentation; anaerobic digestion; microbial community composition

المصادر: قاعدة بيانات الكتب المجانية

اللغة: الإنجليزية

التاريخ: 2019

ردمك: 9783038975960

ملف خارجي