Results 21 to 30 of about 489,146 (255)

Multi-level stacking of LSTM recurrent models for predicting stock-market indices

Data Science in Finance and Economics, 2022
The ability to predict stock-market indices is important to investors and financial decision-makers. However, the uncertainty of available information makes accurate prediction extremely challenging.
Fatima Tfaily , Mohamad M. Fouad
doaj   +1 more source

Energy Intake Models for Intermittent Operation of Dead-End Microfiltration Filling Line

Energies, 2022
In filling lines equipped with membrane separation devices in the form of filters energy, consumption is only one of the important working parameters, the other being sustainable filter performance in terms of separation efficiency.
Jure Ravnik, Gorazd Bombek, Aleš Hribernik, Timi Gomboc, Matej Zadravec, Aleks Kapun, Grega Hrovat, Jure Gradišek, Matjaž Hriberšek   +8 more
doaj   +1 more source

Unsupervised morphological segmentation for images [PDF]

, 1993
This paper deals with a morphological approach to unsupervised image segmentation. The proposed technique relies on a multiscale Top-Down approach allowing a hierarchical processing of the data ranging from the most global scale to the most detailed one.
Salembier Clairon, Philippe Jean
core   +1 more source

Development and Laboratory Test of Normally Open High-TemperatureVent Valve for Offshore Thermal Recovery

Shiyou jixie, 2022
The vent valve for offshore thermal recovery cannot be opened or closed normally under high temperature and high pressure(HTHP)conditions due to the damage of hydraulic control pipeline.To solve this problem,a normally open high-temperature vent valve ...
Sun Yongtao, Hu Houmeng, Bai Jianhua, Sun Yubao, Ma Zenghua, Gu Qilin   +5 more
doaj  

COGNITIVE DEVELOPMENT BASED ON THE VOLLEYBALL GAME PLAY IN PHYSICAL EDUCATION

International Journal of Physiotherapy, 2020
Background: The purpose of this study is to determine the effects of the Teaching Games for Understanding (TGfU), Sport Education Model (SEM), and Hybrid Teaching Games for Understanding Sport Education Model (HTGfU–SEM) on the cognitive performance ...
Norkhalid Salimin, Noraliza Minhat, Gunathevan Elumalai, Mohd Izwan Shahril, Guntur YSU   +4 more
doaj   +1 more source

Comparison of Langevin and Markov channel noise models for neuronal signal generation

, 2009
The stochastic opening and closing of voltage-gated ion channels produces noise in neurons. The effect of this noise on the neuronal performance has been modelled using either approximate or Langevin model, based on stochastic differential equations or ...
A. L. Hodgkin, B. Sengupta, C. P. Fall, C. W. Gardiner, E. M. Izhikevich, F. Rieke, G. Marsaglia, J. C. Roddey, J. E. McGeoch, J. E. Niven, J. S. Bendat, P. E. Kloeden, S. B. Laughlin, T. M. Cover, W. Gerstner, W. H. Press   +15 more
core   +1 more source

Arcless opening of direct current circuits in technical systems [PDF]

, 2017
Operation of the proposed DC circuit breaker consists in the fact that the closing of the thyristor in the DC power circuit with an inductive load results from opening the auxiliary circuit with a current value several fold less than the load current ...
Novikov, Sergey Avtonomovich, Pustynnikov, Sergey Vladimirovich, Zhidov, S. S.   +2 more
core   +1 more source

Penawaran Saham Perdana: Pengalaman Di Bursa Efek Jakarta 1990 – 1998 [PDF]

, 2002
This study investigates initial and aftermarket performance of initial public offering (IPOs) for both short term and long term in the Jakarta Stock Exchange (JSE), from January 1990 to December 1998.
Rodoni, A. (Ahmad)
core  

Psychosocial Outcomes in Patients With Endocrine Tumor Syndromes: A Systematic Review

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction The combination of disease manifestations, the familial burden, and varying penetrance of endocrine tumor syndromes (ETSs) is unique. This review aimed to portray and summarize available data on psychosocial outcomes in patients with ETSs and explore gaps and opportunities for future research and care.
Daniël Zwerus, Floortje Strobbe, Annemarie A. Verrijn Stuart, Hanneke M. van Santen, Gerlof D. Valk, Sasja A. Schepers, Rachel S. van Leeuwaarde   +6 more
wiley   +1 more source

Improved Mass Flow Rate Regulation Methods Based on Variable Frequency Control: A Case Study of Oxidizer Agent Weighing for Solid Propellants

Actuators, 2023
The feeding and weighing of oxidizer agents is the key process of solid rocket motor propellant preparation, and its accuracy directly affects the burning performance of solid rocket motors.
Han Lu, Hongyu Wang, Xuhang Chen, Xinlin Bai, Zhigang Xu, Yaqiang Wei, Linlin Fan   +6 more
doaj   +1 more source