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Mouchili Mouchili,Einar Vargas-Bello-Pérez,Fernand Tendonkeng,Emile Miégoué,David Fokom Wauffo,Hippolyte Mekuiko Watsop,Etienne Pamo Tedonkeng
Pág. 310 - 318
The effects of different poultry manure fertilization levels and cutting times on the growth of Moringa oleifera were evaluated. A factorial design comparing six levels of poultry manure (0, 50, 100, 150, 200 and 250 kg N ha-1) and three cuttin...
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Kun Zhang, Chenyuan Zhai, Yonglong Li, Yan Li, Hui Qu and Yixin Shen
Although nitrogen application and cutting frequency (CF) are two important factors affecting forage productivity and quality, their effects on alfalfa (Medicago sativa L.), particularly in humid areas, remain less understood. Here, we investigated the fe...
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?????? ??????????? ?????????, ?????? ????????? ????????, ??? ????????? ???????????
Pág. 84 - 92
The subject matter of the article is the process of hardening cutting tools for heavy machines. The goal of the work is to increase the operating life, reliability, durability and wear resistance of carbide cutting tools due to magnetic-pulse treatment. ...
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Magdalena Cortina, Jon Iñaki Arrizubieta, Eneko Ukar and Aitzol Lamikiz
Hybrid manufacturing processes that combine additive and machining operations are gaining relevance in modern industry thanks to the capability of building complex parts with minimal material and, many times, with process time reduction. Besides, as the ...
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Sergey N. Grigoriev, Marina A. Volosova, Sergey V. Fedorov, Mars S. Migranov, Mikhail Mosyanov, Andrey Gusev and Anna A. Okunkova
The main purpose of this paper was to study the efficiency of using diamond-like carbon (DLC) coatings based on a-C:H:Si with a pre-formed CrAlSiN sublayer to increase the cutting ability of ball end mills made of KFM-39 cemented carbide at a speed of 15...
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Fedir N?vik?v,Vladimir Polyansky,Valentin Shkurupiy,Dmytro Novikov,Andrii Hutorov,Yevhen Ponomarenko,Oksana ?. Yermolenko,Oleksii ?. Yermolenko
Pág. 41 - 50
The theoretical approach to calculating and controlling the force and temperature parameters of edge cutting and abrasive machining processes taking into account the provision of the minimum possible power consumption of the cutting process is given. The...
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Deepudev Sahadevan, Hannah Al Ali, Dorian Notman and Zindoga Mukandavire
Managing aircraft turnaround is a complex process due to various factors, including passenger handling. Airport ground handling, resource planning, optimal manpower, and equipment utilisation are some cost-cutting strategies, particularly for airlines an...
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Alexandr Gulyarenko and Michal Bembenek
Reliability consists of four components: failure-less operation, maintainability, durability, and preservation ability. For different machines and different conditions of operation, different combinations of these properties, and differences in how they ...
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Rosanna Maniscalco, Eugenio Fazio, Rosalda Punturo, Rosolino Cirrincione, Agata Di Stefano, Salvatore Distefano, Martina Forzese, Gabriele Lanzafame, Giusy Simona Leonardi, Sergio Montalbano, Alessandra Giovanna Pellegrino, Antonino Raele and Giuseppe Palmeri
The petroleum industry has always been pursuing highly exploitable gas fields, which are often hosted in carbonate rocks. However, carbonates are highly heterogeneous and show different fabrics and structures as the result of sedimentation in various env...
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Yuan Jiang, Yanju Ji, Yibing Yu, Shipeng Wang and Yuan Wang
For time domain transient electromagnetic measurement, the negative sign often appears in the polarization region, which contains the induced polarization information. It is considered that the polarization effect is caused by the capacitance charge of t...
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Emilia Ciupan, Cornel Ciupan, Emilia-Maria Câmpean, Lucia Stelea, Cecilia-Elena Policsek, Florin Lungu and Daniela-Corina Jucan
Wood is used as a raw material in various industries, including the production of furniture, which puts pressure on the exploitation of the forests and the continuous reduction of their surfaces, with undesirable effects on the environment. The paper pro...
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Márcio Antônio Godoi Junior, Rebeca Soares da Silva, Rodrigo Nogueira de Sousa, Cleide Maria Ferreira Pinto, Wellington Souto Ribeiro and Kassio Ferreira Mendes
Yellow nutsedge (Cyperus esculentus L.) is cultivated worldwide due to its agricultural and biotechnological potential. In Brazil, it is considered a weed, and we lack studies on its cultivation. Overcoming tuber dormancy is crucial for propagation. This...
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Peng Wang, Xuegeng Chen and Haojun Wen
In order to solve the problem of high straw content in recovered residual film and the low rate of qualified straw crushing in combination with a front-mounted cotton-straw-crushing device, the cutting and crushing mechanisms of cotton stalks were studie...
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Kwami Serge Foga Agbetossou, Denis Worlanyo Aheto, Donatus Bapentire Angnuureng, Leo Cornelius van Rijn, Koko Zébéto Houédakor, Emmanuel Kwadzo Brempong and Folly Serge Tomety
Field measurements of longshore sediment transport have been performed in the surf zone along Denu Beach, located in the Volta Region of Ghana, West Africa. This study consisted of measuring sediment transport rates by the deployment of modified versions...
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Alberto Collareta, René Kindlimann, Alessio Baglioni, Walter Landini, Giovanni Sarti, Alí Altamirano, Mario Urbina and Giovanni Bianucci
Nowadays, the requiem sharks comprise one of the most diverse and widespread families of selachians, i.e., Carcharhinidae. Among the carcharhinids, the genus Carcharhinus has the largest number of living species, namely, at least 35. Known from fossils a...
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Giovanni Falisi, Giordano Foffo, Marco Severino, Carlo Di Paolo, Serena Bianchi, Sara Bernardi, Davide Pietropaoli, Sofia Rastelli, Roberto Gatto and Gianluca Botticelli
The preparation of the implant site in guided surgery procedure takes place without irrigation, which could lead to increased friction of the drills with the formation and release of debris or metal particles. The presence of metal particles in the peri-...
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Georgios Skordaris, Konstantinos Vogiatzis, Leonidas Kakalis, Ioannis Mirisidis, Vasiliki Paralidou and Soultana Paralidou
The potential to increase the life span of tools applied in cheese cutting machines is of great importance, considering their cost and the risk of fragmented metallic parts of the tool being inserted into the cheese. Such tools are commonly manufactured ...
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Martin Martinez Ruiz, Jesús Noé Rivera Olvera, Rodolfo Morales Davila, Leonardo González Reyes, Vicente Garibay Febles, Jesus Garcia Martinez and Lucía G. Diaz Barriga Arceo
Carbides are used extensively as cutting tools, forming dies, and recently in catalysis applications, among other industrial applications. In this work, the synthesis and characterization of a nanostructured MoW bimetallic carbide were carried out by mec...
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Ignacio Rodríguez-Rodríguez, José-Víctor Rodríguez, José-María Molina-García-Pardo, Miguel-Ángel Zamora-Izquierdo and María-Teresa Martínez-Inglés Ignacio Martínez-Inglés
The metabolic disease Type 1 Diabetes Mellitus (DM1) is caused by a reduction in the production of pancreatic insulin, which causes chronic hyperglycemia. Patients with DM1 are required to perform multiple blood glucose measurements on a daily basis to m...
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Anatolii Dudnikov,Oleksandr Gorbenko,Anton Kelemesh,Olga Drozhchana
Pág. 72 - 77
An analysis of the wear of machine parts has made it possible to establish characteristic requirements for the technological process of restoring worn surfaces. Experimental studies on hardening the working surfaces of plowshares have made it possible to...
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