Results 11 to 20 of about 191,929 (258)

Evaluation of the Operational Speed for Iraqi Railways Using Geomatics Techniques [PDF]

open access: yesEngineering and Technology Journal, 2016
Theresearch evaluation is the current operational speeds of Iraqi railway lines within Geomatics techniques . It aims improving operational speeds where fined the level of speeds in Iraq has reached in some places to (5 km/h) for the north line.
Maysoon Mohamed Hamed   +2 more
doaj   +1 more source

Use of operational research techniques for concrete mix design: A systematic review

open access: yesHeliyon, 2023
Traditional methods for designing concrete mixtures provide good results; however, they do not guarantee the optimum composition. Consequently, applying operational research techniques is motivated by an increasing need for designers to proportion the ...
Ana Carolina Rosa   +3 more
doaj   +1 more source

Operative Techniques of Uvulopalatopharyngoplasty [PDF]

open access: yesEar, Nose & Throat Journal, 1991
Uvulopalatopharyngoplasty is, for the most part, both safe and effective as a surgical treatment for obstructive sleep apnea and severe snoring. Most complications can be avoided with proper surgical technique. Palatal dysfunction can be avoided if the shortening of the soft palate in the midline (uvula) area is minimized.
openaire   +2 more sources

The Moderating Effect of Environmental Management Accounting Practices on the Relationship Between Green Supply Chain Management Practices and Corporate Performance of Egyptian Manufacturing Firms [PDF]

open access: yesالمجلة العلمية للدراسات والبحوث المالية والتجارية, 2022
As an important management strategy for effective environmental improvement activities and performance, Green Supply Chain Management (GSCM) techniques and Environmental Management Accounting Practices (EMAP) are gaining prominence.
نانسي محمد محمود احمد
doaj   +1 more source

Matrix Approaches for Gould–Hopper–Laguerre–Sheffer Matrix Polynomial Identities

open access: yesAxioms, 2023
The Gould–Hopper–Laguerre–Sheffer matrix polynomials were initially studied using operational methods, but in this paper, we investigate them using matrix techniques.
Tabinda Nahid   +2 more
doaj   +1 more source

Dual Numbers and Operational Umbral Methods

open access: yesAxioms, 2019
Dual numbers and their higher-order version are important tools for numerical computations, and in particular for finite difference calculus. Based on the relevant algebraic rules and matrix realizations of dual numbers, we present a novel point of view,
Nicolas Behr   +3 more
doaj   +1 more source

Operational Standard for Point-through-point Electroacupuncture Therapy of Traditional Chinese Medicine Rehabilitation Techniques

open access: yes康复学报, 2022
Point-through-point electroacupuncture therapy is a kind of acupuncture therapy method piercing through the point with the millimeter-needle. With this method, one needle acts on a certain part of the human body through multiple acupoints, and when ...
Working Group on Operational Standard for Point-through-point Electroacupuncture Therapy of Traditional Chinese Medicine Rehabilitation Techniques
doaj  

Integro-differential equations: Numerical solution by a new operational matrix based on fourth-order hat functions

open access: yesPartial Differential Equations in Applied Mathematics, 2023
This article aims to present a new approach based on the operational matrix method for solving integro-differential equations using numerical techniques. In this method, we employ fourth-degree hat functions (FDHFs) to construct operational matrices. The
Jehad K. Mohammed, Ayad R. Khudair
doaj   +1 more source

Numerical and remote techniques for operational beach management under storm group forcing [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2018
The morphodynamic response of a microtidal beach under a storm group is analyzed, and the effects of each individual event are inferred from a numerical model, in situ measurements and video imaging.
V. Morales-Márquez   +9 more
doaj   +1 more source

Bootstrapping techniques and new venture emergence [PDF]

open access: yesNew England Journal of Entrepreneurship, 2011
Among nascent entrepreneurial ventures, are some types of bootstrapping techniques more successful than others? We compare externally oriented and internally oriented techniques with respect to the likelihood of becoming an operational venture; and we ...
John T. Perry   +3 more
doaj   +1 more source

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