Results 11 to 20 of about 970,808 (296)

Split-step Fourier methods for the Gross-Pitaevskii equation [PDF]

open access: yesJournal of Physics A: Mathematical and General, 2004
We perform a systematic study of the accuracy of split-step Fourier transform methods for the time dependent Gross-Pitaevskii equation using symbolic calculation. Provided the most recent approximation for the wave function is always used in the nonlinear atom-atom interaction potential energy, every split-step algorithm we have tried has the same ...
Javanainen, Juha, Ruostekoski, Janne
openaire   +4 more sources

Economic Evaluation Of Water Production Management With Rpm (Relative Permability Modifier) Treatment Based On Gross Split Contract In “Re” Well In “Dn" Field

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2023
The "RE" well in the "DN" field is an oil well produced in June 2004 with an initial water cut value of 15% as time went on there was a fairly high increase in the water cut value reaching 97% which means that it caused increased water production.
Boqin Changming, Liang Longwei
doaj   +1 more source

Comparison of Splitting Methods for Deterministic/Stochastic Gross–Pitaevskii Equation [PDF]

open access: yesMathematical and Computational Applications, 2019
In this paper, we discuss the different splitting approaches to numerically solve the Gross–Pitaevskii equation (GPE). The models are motivated from spinor Bose–Einstein condensate (BEC). This system is formed of coupled mean-field equations, which are based on coupled Gross–Pitaevskii equations.
Jürgen Geiser, Amirbahador Nasari
openaire   +3 more sources

Economic Evaluation of Fiscal Regime on EOR Implementation in Indonesia: A Case Study of Low Salinity Water Injection on Field X

open access: yesJournal of Earth Energy Engineering, 2020
There are currently two fiscal regimes designated for resource allocation in Indonesia’s upstream oil and gas industry, the Production Sharing Contract Cost Recovery (PSC) and Gross Split.
Adityawarman Adityawarman   +4 more
doaj   +1 more source

Analysis of PSC Gross Split Implementation in Russian Offshore

open access: yesCPT2020 The 8th International Scientific Conference on Computing in Physics and Technology Proceedings, 2020
Product Sharing Contract with Gross Split scheme come up as an alternative solution for developing a healthy, fair and sustainable international oil and gas cooperation in Russian offshore. In the application, benefits will be optimal for all parties if all legal requirements and business interests are met. Regarding that, the monitoring process on PSC
Savelii Ilyukhin   +2 more
openaire   +1 more source

Influence of PSC Changes in The Upstream Sector From Cost Recovery System into Gross Split Towards The Obligation to Pay Land and Building Tax

open access: yesMimbar Hukum, 2019
The scheme of profit sharing contracts has been significantly changed due to the enactment of Ministerial Regulation of Energy and Mineral Resources No. 8/2017 concerning the Gross Split Revenue Sharing Contract on January 16, 2017.This research focused ...
Irine Handika Ikasari
doaj   +1 more source

Prediction of State Civil Apparatus Performance Allowances Using the Neural Network Backpropagation Method

open access: yesJOIV: International Journal on Informatics Visualization, 2023
Performance allowance is a form of appreciation given by an agency to its human resources. The Office of the Ministry of Religion of Batu City provides performance allowances to civil servants who work in the agency.
Puan Maharani Kurniawan   +4 more
doaj   +1 more source

Nitrogen fertilization on the agro-economic performance of sesame in the Brazilian semiarid [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2021
: The objective of this work was to evaluate the agro-economic performance of sesame (Sesamum indicum) under nitrogen fertigation in the semiarid region of Northeastern Brazil.
Manoel Galdino dos Santos   +7 more
doaj   +1 more source

Effects of mulching and micronutrients on growth, yield and quality of carrot (Daucus carota L.)

open access: yesFundamental and Applied Agriculture, 2023
Carrot (Daucus carota L.) is one of the most important root vegetables of Bangladesh. Mulching and micronutrients have strong effect on growth, yield and quality of carrot.
Maksudur Rahman Akand   +4 more
doaj   +1 more source

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