Results 11 to 20 of about 3,774,923 (351)

Material flow during the extrusion of simple and complex cross-sections using FEM [PDF]

open access: yes, 2005
This paper deals with the extrusion of rod and shape sections and uses a 3D finite element model analysis (FEM) to predict the effect of die geometry on maximum extrusion load.
I. Flitta   +5 more
core   +5 more sources

Value Chain Analysis of Iran Steel Industry: Combining economic analysis of value chain and material flow analysis [PDF]

open access: yesپژوهش‌های مدیریت عمومی, 2020
Extended Abstract Abstract Iran has competency in the most important factors in steel production. According to the country's steel strategy plan, all the value chain of this industry shall develope in balance; so that the country can be self-sufficient ...
Abolfazl Adab   +4 more
doaj   +1 more source

Mapping the global flows of steel scraps: an alloy elements recovery perspective

open access: yesEnvironmental Research Letters, 2023
Recycling steel scraps by the use of electric arc furnace is one of the most promising approaches for the steel industry to achieve net-zero emissions.
Wenqiu Cai   +4 more
doaj   +1 more source

Measuring Food Loss and Waste Costs in the Italian Potato Chip Industry Using Material Flow Cost Accounting

open access: yesAgriculture, 2022
Material flow cost accounting (MFCA) represents an innovative tool to identify inefficiencies in the use of resources in agribusiness, measuring either mass flows or costs incurred along the entire supply chain.
Vera Amicarelli   +2 more
doaj   +1 more source

Material implication of Chile’s economic growth: combining material flow accounting (MFA) and structural decomposition analysis [PDF]

open access: yes, 2007
Over the last three decades, the economic integration of the Chilean economy into global markets has been taking place at a rapid pace. For example, in 1986, exports represented 29% of GDP while in 1996 they had increased to 38% of GDP.
Adriaanse   +53 more
core   +1 more source

Coupled analysis of material flow and die deflection in direct aluminum extrusion [PDF]

open access: yes, 2010
The design of extrusion dies depends on the experience of the designer. After the die has\ud been manufactured, it is tested during an extrusion trial and machined several times until it works\ud properly.
Assaad, W., Geijselaers, H.J.M.
core   +3 more sources

Country-specific assessment of mismanaged plastic packaging waste as a main contributor to marine litter in Europe

open access: yesFrontiers in Sustainability, 2023
Land-based litter and leakages from inadequate waste management are among the primary sources of marine litter. Plastic packaging and small non-packaging plastic items (PPSI) represent the most extensive application of virgin plastics produced and the ...
Andrea Winterstetter   +3 more
doaj   +1 more source

Estimation of Nitrogen Loading to Surface Water from Agriculture Based Area and Its Application for Water Pollution Mitigation

open access: yesEnvironment and Natural Resources Journal, 2021
Eutrophication of surface water is a globally widespread environmental problem. Similarly, in Thailand, the Nakhon Nayok River (NNR), located in an agriculture-based area, has been markedly affected by eutrophication problems.
Bussarakam Thitanuwat   +1 more
doaj   +1 more source

Food waste reduction strategies in composting and recycling centers based on material flow analysis [PDF]

open access: yesGlobal Journal of Environmental Science and Management
BACKGROUND AND OBJECTIVES: Food waste has major environmental, economic, and social impacts, contributing to greenhouse gas emissions, soil depletion, global food insecurity, and rising food prices.
S.C. Zahra   +3 more
doaj   +1 more source

Transmission loss predictions for dissipative silencers of arbitrary cross section in the presence of mean flow [PDF]

open access: yes, 2003
A numerical technique is developed for the analysis of dissipative silencers of arbitrary, but axially uniform, cross section. Mean gas flow is included in a central airway which is separated from a bulk reacting porous material by a concentric ...
Aurégan Y.   +8 more
core   +1 more source

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