Results 41 to 50 of about 13,717,021 (351)

Variation in carbon footprint of milk due to management differences between Swedish dairy farms [PDF]

, 2011
To identify mitigation options to reduce greenhouse gas (GHG) emissions from milk production (i.e. the carbon footprint (CF) of milk), this study examined the variation in GHG emissions among dairy farms using data from previous CF studies on Swedish ...
A. Flysjö, Basset-Mens, Beever, Britt, C. Cederberg, C. Swensson, De Vries, Domburg, Ellis, Garnsworthy, Gerber, Gibbons, Gill, Hospido, Lovett, M. Henriksson, Place, Rypdal, Soussana, Stallings, Swensson, Thomassen, Winsten, Yan   +23 more
core   +3 more sources

Influence of Elastomer Layers in the Quality of Aluminum Parts on Finishing Operations [PDF]

, 2020
In finishing processes, the quality of aluminum parts is mostly influenced by static and dynamic phenomena. Different solutions have been studied toward a stable milling process attainment.
Lamikiz, Aitzol, Rivero, Asuncion, Rubio-Mateos, Antonio, Ukar, Eneko   +3 more
core   +2 more sources

Functional performance of a vertical-shaft centrifugal palm nut cracker

Research in Agricultural Engineering, 2010
A vertical-shaft centrifugal palm nut cracker was presented and evaluated. The cracker efficiency and kernel breakage ratio are some of the most important parameters for evaluating the cracker performance. From the result of this work, the two parameters
M.C. Ndukwu, S.N. Asoegwu
doaj   +1 more source

Odun Yüzey Pürüzlülüğü Tahmininde Bir Yapay Sinir Ağı Modelinin Kullanılması

Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2019
Ağaç malzemelerin yüzey pürüzlülüğü, nihaiürünlerin kalitesinin değerlendirilmesi açısından çok önemlidir. Bu nedenle buçalışmada, odun türü, bıçak sayısı, besleme hızı ve kesme derinliğinin planyalamaişleminde yüzey pürüzlülüğü üzerindeki etkisini ...
Hilal Singer, Şükrü Özşahin
doaj   +1 more source

Design and Assessment of a Small-Scale Machine for Cleaning Wheat Grains

Acta Technologica Agriculturae, 2022
A small-scale wheat cleaning machine was designed to winnow and separate grains from materials-other-than-grains (MOG), such as premature grains and chaff, in order to enhance the quality of grains. It was evaluated technically with respect to assessment
Ali Mohamed Abu, El-Rahman Eid Abd, Nasr Gamal El-Deen   +2 more
doaj   +1 more source

Experimental and Numerical Investigation into Residual Stress During Turning Operation for Stainless Steel AISI 316 [PDF]

Engineering and Technology Journal, 2020
RS (residual stresses) represent the main role in the performance of structures and machined parts. The main objective of this paper is to investigate the effect of feed rate with constant cutting speed and depth of cut on residual stresses in orthogonal
Safa Lafta, Maan Tawfiq
doaj   +1 more source

Effect of Feed Rate in FSW on the Mechanical and Microstructural Properties of AA5754 Joints

Advances in Materials Science and Engineering, 2019
Friction stir welding is a solid-state welding process, which is successfully applied to aluminum alloys to replace fusion welding processes. In the present work, the influence of varying the feed rate at constant rotational speed on the mechanical and ...
Magdy M. El Rayes, M. Soliman, A. T. Abbas, D. Pimenov, I. Erdakov, Mahmoud M. Abdel-mawla   +5 more
semanticscholar   +1 more source

Evaluation of Surface Quality and Productivity in Conventional Milling of Copper Beryllium Using Minimum Quantity Lubrication

Tribology in Industry
Copper Beryllium (C17200) has ideal physical and mechanical properties of high fatigue strength, thermal conductivity, and hardness, making the alloy ideal for various high-reliability applications in aerospace, producing inserts and tooling for ...
Ken N. Mwangi, Job Wambua, Fredrick M. Mwema, James M. Wakiru, Tien-Chien Jen   +4 more
doaj   +1 more source

Influence of cutting parameters and tool wear on the surface integrity of cobalt-based Stellite 6 alloy when machined under a dry cutting environment [PDF]

, 2016
The efficiency of a machining process can be measured by evaluating the quality of the machined surface and the tool wear rate. The research reported herein is mainly focused on the effect of cutting parameters and tool wear on the machined surface ...
Alexander Galloway, C Lahiff, C Robert, Durul Ulutan, E Bagci, F Rosalbino, Ge Yingfei, GS Schajer, GS Schajer, H Shao, J Sato, M Benghersallah, M Benghersallah, M Mansori, MS Hasan, Patricia Muñoz de Escalona, S Aykut, S Ozturk, V Kuzucu, W Ji   +19 more
core   +1 more source

Molecular bases of circadian magnesium rhythms across eukaryotes

FEBS Letters, EarlyView.
Circadian rhythms in intracellular [Mg2+] exist across eukaryotic kingdoms. Central roles for Mg2+ in metabolism suggest that Mg2+ rhythms could regulate daily cellular energy and metabolism. In this Perspective paper, we propose that ancestral prokaryotic transport proteins could be responsible for mediating Mg2+ rhythms and posit a feedback model ...
Helen K. Feord, Gerben van Ooijen
wiley   +1 more source