Results 21 to 30 of about 11,657,504 (319)

Job Expectations and Satisfaction Among Scientists

Marketing of Scientific and Research Organizations, 2020
The decreasing supply of qualified people ready to take up employment, observed for several years on the labour market, results in the strengthening of the employee’s position.
Feldy Marzena, Bojko Marta
doaj   +1 more source

ECONOMIC EVALUATION FOR IMPACT OF ENVIRONMENTAL FACTORS ON EGYPTIAN COTTON PRODUCTION [PDF]

Arab Universities Journal of Agricultural Sciences, 2005
Cotton in Egypt has an important economic situation. Thus the study aimed to evaluate the expected economic effects and productivity of environmental factors on Egyptian cotton production.
M.A. Gad, Abo-Zaied Atiyat M.E., Gabr Enas, M.M., Hussien Heba M.F.   +3 more
doaj   +1 more source

Composite CDMA - A statistical mechanics analysis [PDF]

, 2009
Code Division Multiple Access (CDMA) in which the spreading code assignment to users contains a random element has recently become a cornerstone of CDMA research.
David Saad, Guo D, Hase M O, Jack Raymond, Montanari A Prabhakar B Tse D, Mézard M, Nishimori H, Nishimori H, Raymond J, Raymond J, Raymond J, Verdú S, Yoshida M Tanaka T   +12 more
core   +3 more sources

The evaluation and optimization of the agricultural sustainable development based on a data-driven approach: A case from Northern Anhui

Heliyon
The sustainable advancement of agriculture stands as the fundamental cornerstone of sustainable human progress. This study introduces a data-centric methodological framework founded upon the holistic delineation of measurement, feature assessment, and ...
Fengwei Gao, Zhuangzhuang Li, Pei Zhang, Yimin Wu   +3 more
doaj   +1 more source

Spatial patterns of fertilizer use and imbalances: Evidence from rice cultivation in India

Environmental Challenges, 2022
Fertilizer use immensely contributes to sustaining higher crop productivity and ensuring food security around the globe. However, the over-application of nitrogenous fertilizers resulted in negative environmental externalities. Thus, assessing imbalances
Kaushik Bora
doaj   +1 more source

Statistical Analysis of Composite Spectra

, 2004
We consider nearest neighbor spacing distributions of composite ensembles of levels. These are obtained by combining independently unfolded sequences of levels containing only few levels each. Two problems arise in the spectral analysis of such data. One
A.Y. Abul-Magd, Abd El-Hady, Abul-Magd, Abul-Magd, Abul-Magd, Abul-Magd, Abul-Magd, Abul-Magd, Alhassid, Alt, Barbosa, Biswas, Bogomolny, Bohigas, Brody, Camarda, Date, Ellegaard, Enders, Flambaum, Garrett, Guhr, H.A. Weidenmüller, H.L. Harney, Haller, Harney, Harney, Izrailev, Jeffreys, Jeffreys, Kass, Leitner, M.H. Simbel, Mehta, Mitchell, Prosen, Raman, Richens, Rosenzweig, Shriner, Shriner, von Egidy, Zimmermann   +42 more
core   +1 more source

Statistical analysis of Hasegawa - Wakatani turbulence [PDF]

, 2017
Resistive drift wave turbulence is a multipurpose paradigm that can be used to understand transport at the edge of fusion devices. The Hasegawa-Wakatani model captures the essential physics of drift turbulence while retaining the simplicity needed to ...
Anderson, Johan, Hnat, Bogdan
core   +2 more sources

Adaptive Differential Privacy Cox-MLP Model Based on Federated Learning

Mathematics
In the data-driven healthcare sector, balancing privacy protection and model performance is critical. This paper enhances accuracy and reliability in survival analysis by integrating differential privacy, deep learning, and the Cox proportional hazards ...
Jie Niu, Runqi He, Qiyao Zhou, Wenjing Li, Ruxian Jiang, Huimin Li, Dan Chen   +6 more
doaj   +1 more source

Statistical Analysis of Precipitation Events

, 2017
In the present paper we demonstrate the results of a statistical analysis of some characteristics of precipitation events and propose a kind of a theoretical explanation of the proposed models in terms of mixed Poisson and mixed exponential distributions
Belyaev, K. P., Gorshenin, A. K., Grusho, A. A., Gulev, S. K., Korolev, V. Yu.   +4 more
core   +1 more source

Modern Statistical Methods for GLAST Event Analysis [PDF]

, 2007
We describe a statistical reconstruction methodology for the GLAST LAT. The methodology incorporates in detail the statistics of the interactions of photons and charged particles with the tungsten layers in the LAT, and uses the scattering distributions ...
Cohen-Tanugi, Johann, Morris, Robin D.
core   +4 more sources