|
|
|
|
|
Munirah Alfadhli, Adel Elmandouh and Muneerah Al Nuwairan
This work aims to explore some dynamic aspects of the problem of star motion that is impacted by the rotation of the galaxy, which we model as a bisymmetric potential based on a two-dimensional harmonic oscillator with sextic perturbations. We demonstrat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shouxu Chen, Weidong Chen, Ti Chen and Junjie Kang
A tethered towing system provides an effective method for capturing pieces of space debris and dragging them out of orbit. This paper focuses on the in-plane stability analysis and libration control of a two-segment tethered towing system. The first segm...
ver más
|
|
|
|
|
|
|
|
|
|
|
Malen Etxeberria-Etxaniz, Santiago Alonso-Quesada and Manuel De la Sen
This paper investigates a susceptible-exposed-infectious-recovered (SEIR) epidemic model with demography under two vaccination effort strategies. Firstly, the model is investigated under vaccination of newborns, which is fact in a direct action on the re...
ver más
|
|
|
|
|
|
|
|
|
|
|
O. Yu. Bereza,O. V. Bereza
Pág. 222 - 225
This article is devoted to the investigation of phase composition and microstructure of the higher cooled aluminum-germanium alloys. The formation of non-equilibrium germanium solid solutions is shown. The influence of the rate of cooling and the germani...
ver más
|
|
|
|
|
|
|
|
|
|
|
Oswaldo Curty da Motta Lima, Carlos Eduardo Santana Alves, Nehemias Curvelo Pereira, Elisabete Scolin Mendes
Pág. 27 - 32
Moisture equilibrium isotherms are very important in the analysis of solids drying and storage processes. This work intends to experiment the moisture equilibrium isotherms for long-fiber cellulose and the temperature effects on them, using the tradition...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yingfa Lu, Wenqing Sun, Hao Yang, Junjie Jiang and Lier Lu
On the basis of the force and safety factor analysis of traditional retaining walls, a new analytical method of force and displacement of the slope is suggested, the numerical theoretical solution of the stress distribution of the sliding body can be obt...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hans-Joachim Raida
The second-order partial differential wave Equation (Cauchy?s first equation of motion), derived from Newton?s force equilibrium, describes a standing wave field consisting of two waves propagating in opposite directions, and is, therefore, a ?two-way wa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yajun Zhu, Chengwen Zhong and Kun Xu
The gas-kinetic scheme (GKS) and the unified gas-kinetic scheme (UGKS) are numerical methods based on the gas-kinetic theory, which have been widely used in the numerical simulations of high-speed and non-equilibrium flows. Both methods employ a multisca...
ver más
|
|
|
|
|
|
|
|
|
|
|
Andrea Mantovi
Pág. 87 - 118
Building on a class of transcendental preferences for luxury, explicit solutions for price taking behavior and exchange equilibrium are discussed, which share the analytical tractability of Cobb-Douglas models. Such economies display fundamental positive...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ubaldo Cella, Francesco Salvadore, Raffaele Ponzini and Marco Evangelos Biancolini
A procedure for the optimization of a catamaran?s sail plan able to provide a preliminary optimal appendages configuration is described. The method integrates a sail parametric CAD model, an automatic computational domain generator and a Velocity Predict...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wael S. Amer, Tarek S. Amer, Roman Starosta and Mohamed A. Bek
The major objective of this research is to study the planar dynamical motion of 2DOF of an auto-parametric pendulum attached with a damped system. Using Lagrange?s equations in terms of generalized coordinates, the fundamental equations of motion (EOM) a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gordon F. Mulligan and John I. Carruthers
This paper examines the joint adjustment of population and employment numbers across America?s metropolitan areas during the period 1990?2015. Current levels of both are estimated, for 10 year periods, using their lagged (own and cross) levels and eight ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Marin Micutz, Rodica Mihaela Lungu, Viorel Circu, Monica Ilis and Teodora Staicu
Hydrogels containing both carboxyl and hydroxyl functional groups have been prepared by ?-irradiation of either aqueous solutions of acrylic acid (AA) and mixtures of AA and 2-hydroxyethyl methacrylate (HEMA) in different ratios, or aqueous solutions of ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lorena Alcaraz, Francisco J. Alguacil and Félix A. López
A winemaking waste was used as a precursor of activated carbon used for the removal of hazardous Cr(VI) from solutions. The preparation process consisted of a hydrothermal process and a chemical activation of the resulting product, with KOH. The adsorpti...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pedro L. Lopez,Luis F. Auque,Ingrid Garces,Guillermo Chong
Pág. 89 - 108
The geochemical evolution of the superficial brines in the 'Salar de Llamara' saline system is studied in this paper. Systematic sampling of saline solutions and sediments has pointed out the continuous equilibrium state of brines with respect to calcite...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pedro L. Lopez,Luis F. Auque,Ingrid Garces,Guillermo Chong
Pág. 89 - 108
The geochemical evolution of the superficial brines in the 'Salar de Llamara' saline system is studied in this paper. Systematic sampling of saline solutions and sediments has pointed out the continuous equilibrium state of brines with respect to calcite...
ver más
|
|
|
|
|
|
|
|
|
|
|
Matti Leppäranta
Analytic methods are useful for lake ice climatology investigations that account for ice phenology, thickness, and extent. Ice climatology depends on the local climate and lake characteristics, which can be compressed into a few forcing factors for analy...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qi Deng and Feng Zeng
In big cities, there are more and more parking lots and charging piles for electric vehicles, and the resources of parking and charging vehicles can be aggregated to provide strong computing power for vehicular edge computing (VEC). In this paper, we pro...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lixiong Gu, Chunguang Dong, Yi Zhang, Xiaoxia Zhen, Guiyuan Liu and Jianyi Ji
An approach is presented to investigate the 1:2 internal resonance of the sling and beam of a suspension sling?beam system. The beam was taken as the geometrically linear Euler beam, and the sling was considered to be geometrically nonlinear. The dynamic...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jinming Lu and Ewald A. Werner
The inverse or cathode shape design problem of electrochemical machining (ECM) deals with the computation of the shape of the tool cathode required for producing a workpiece anode of a desired shape. This work applied the complex variable method and the ...
ver más
|
|
|
|
|
|