Results 141 to 150 of about 973 (287)

Theoretical Analysis of Reactions in the Knee Joint Caused by Impact

Engineering Transactions, 1978
A theoretical model is described, which makes it possible to estimate the impulsive reactions in the knee joint, when an impact is given to the lower leg, e.g. by kicking a ball.
L. Lindbeck
doaj  

Natural dynamical reduction of the three-body problem. [PDF]

Celest Mech Dyn Astron, 2023
Kol B.
europepmc   +1 more source

Forecasting Volatility of Commodity, Currency, and Stock Markets: Evidence From Markov‐Switching Multifractal Models

Journal of Forecasting, EarlyView.
ABSTRACT This paper adopts a bivariate Markov‐switching multifractal (BMSM) model to reexamine comovement in SV between commodity, foreign exchange (FX), and stock markets. After the 2007–2008 global financial crisis understanding volatility linkages and the correlation structure between these markets becomes very important for risk analysts, portfolio
Ruipeng Liu, Mawuli Segnon, Oguzhan Cepni, Rangan Gupta   +3 more
wiley   +1 more source

Generalized form of fractional order COVID-19 model with Mittag-Leffler kernel. [PDF]

Math Methods Appl Sci, 2021
Aslam M, Farman M, Akgül A, Ahmad A, Sun M.   +4 more
europepmc   +1 more source

Researcher–Entrepreneur Relationship and Performance of Innovative Startups

International Journal of Finance &Economics, EarlyView.
ABSTRACT Many innovative startups are joint ventures between researchers and entrepreneurs, who collaborate in R&D and product commercialization. Government policies such as grants, subsidies, and patent licensing fees act as Pigouvian subsidies, incentivizing R&D by bridging the gap between the social and private returns of innovation.
Yangguang Huang, Helen Hui
wiley   +1 more source

Influence of two kinds of clearance joints on the dynamics of planar mechanical system based on a modified contact force model. [PDF]

Sci Rep, 2023
Tan H, Li L, Huang Q, Jiang Z, Li Q, Zhang Y, Yu D.   +6 more
europepmc   +1 more source

Nonholonomic constraints and Voronec's equations

, 2003
Será permitido, no contexto do método dos multiplicadores de Lagrange, supor que vínculos nao-holônomos já estão em vigor durante a construção da lagrangiana?
Lemos, Nivaldo A.
core  

Risk Forecasting in Shipping Exchange‐Traded‐Fund (ETF) Markets

International Journal of Finance &Economics, EarlyView.
ABSTRACT This article examines the risk properties of freight‐derivative‐based exchange‐traded funds (ETFs), focusing on the Breakwave Dry Bulk Shipping ETF (BDRY), and evaluates the accuracy of Value‐at‐Risk (VaR) and Expected Shortfall (ES) forecasts across a range of econometric models.
Christos Katris, Manolis G. Kavussanos, Stergiani (Stella) A. Moysiadou   +2 more
wiley   +1 more source

Multivariate polynomial fit: Decay heat removal system and pectin degrading Fe₃ O₄ -SiO₂ nanobiocatalyst activity. [PDF]

IET Nanobiotechnol, 2021
Muthusamy B, Ramalingam S, Chandran SK, Kannaiyan SK.   +3 more
europepmc   +1 more source

New Drain Spacing Formulas Using the Variational Iteration Method

Irrigation and Drainage, EarlyView.
ABSTRACT In this study, the drain spacing is computed using the variational iteration method (VIM) to the linearized Boussinesq equation. By applying at most two iterations of the VIM method under three different initial condition scenarios, three equations for drain spacing calculation were derived. These equations predict values of drain spacing that
George Kargas, Leonidas Mindrinos, Paraskevi Londra   +2 more
wiley   +1 more source