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| Registros recuperados: 1.561 | |
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| Hoffmann, Thomas. |
| Several methods were developed to assess the flowability of bulk material. Jenike introduced flowability values toassess the flowability of bulk material like mineral raw material under given loads. A method developed by Carr usesseveral granulometric parameters to describe the flow properties without influence on the load. The aim of the own studywas to evaluate the recommendations of Jenike and Carr regarding to their application onto crushed grain. Thereforemeasurements with grainy and powdery grain products were carried out to determine flow properties regarding Jenike andCarr. Additionally unloading tests with a level model silo were performed to find out the influence of the outlet diameter.The evaluations of the flow properties according to Jenike... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Crushed grain; Flow properties; Jenike shear cell; Carr index. |
| Ano: 2015 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3448 |
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| Shiraj-Um-Monira, Syeeda. |
| This study was conducted to observe the effect of formalin application on the post-harvest quality and shelf life of mango. Mango samples were treated with different concentrations of formalin solutions (10, 100 and 1000 ppm) in two different modes (dipping and spraying) and stored for seven days at ambient condition. Physical characteristics, such as weight loss, color, texture and shrinkage and residual formalin content were observed at every alternate day during storage period. Formalin treatment (dipping and spraying) did not bring up any positive effect in increasing the shelf life of mango. Rather treated with higher concentration of formalin solution (10 ppm<100 ppm<1000 ppm) caused internal and external deterioration. Residual formalin... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Post harvest technology Formalin; Adulteration; Post-harvest quality; Shelf-life; Mango. |
| Ano: 2019 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5118 |
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| minteh, mustapha. |
| Abstract: Maintenance cost of agricultural machines accounts for about 10 to 15% of total production cost and this tends to increase as the machine gets older. To stabilized this already high cost, agricultural machinery maintenance engineers chose Preventive Maintenance (PM) strategy. However, the latter may not produce the desired results especially when machines are used under different operating context. In this paper, an assessment of the effects of PM strategy on reliability indicators (failure rate, mean time between failures (MTBF), mean time to repair (MTTR) and mechanical availability) of a rice combine harvester Mitsubishi TVR96 working under the operating context of Pacharr rice fields in The Gambia, is discussed. These reliability indicators... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Assessment; Impact; Preventive maintenance; Reliability indicators; Failure; Rice combine harvester.. |
| Ano: 2019 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4855 |
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| Maciel, Gisele; Wagner, Jorge Ricardo; Juan, Nestor Antonio; San Martino, Silvina; Bartosik, Ricardo. |
| Pairs of soybean seeds and their correspondent expeller samples were collected from ten extrusion-expelling processing plants in Argentina. Seeds were analyzed for proximal composition, bulk moisture content (MC) and individual seed MC. Expeller were analyzed for proximal composition, bulk MC, protein solubility in KOH, expeller urease activity and free fatty acid content. Results indicated that average soybean composition was 136 g/kg MC, 207 g/kg oil and 391g/kg crude protein (CP), while the oil extraction efficiency (OEE) of the process was of 60.7%. The expeller composition was 922 g/kg dry matter (DM), 81g/kg oil and 442 g/kg CP. In soybean seeds, coefficient of variation (CV) of MC was 17.2%, 3.0% for CP and 5.1% for oil, while in SBE CV for DM was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Soybean processing; Extrusion-expelling; Oil extraction efficiency; Chemical composition; Individual seed moisture. |
| Ano: 2020 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5991 |
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| Miito, Gilbert John; Komakech, Allan John; Zziwa, Ahamada; Kiggundu, Nicholas; Kambugu, Robert. |
| Declining soil fertility is a challenge to sustainable agricultural production in sub-Saharan Africa with a case of Uganda. However, the large volumes of agricultural waste generated from pineapples can be converted into soil conditioners through vermicomposting. by the use of earthworms. Several types of agricultural waste have been studied extensively as vermicompost feedstock, but little work exists on pineapple waste. The objective of this study was to investigate the suitability of pineapple waste for vermicomposting. To achieve this, an assessment of the physicochemical properties of fresh, pre-composted pineapple waste, and the resultant vermicompost, and determination of the optimal feeding rate and stocking density were performed. The study... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Pineapple waste; Vermicompost; Soil conditioner; Stocking density; Feeding rate. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6739 |
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| Francesco Barreca; Mediterranean University of Reggio Calabria, Faculty of Agricultural Sciences. |
| One of the most common causes of accidents in food industry buildings is slipping caused, in particular, by the spilling of liquid substances on the floor, which reduces the coefficient of friction between floor and sole. The aim of this study was to assess the performance of the most common types of flooring used in the food industry, where, owing to the characteristics of the manufacturing stages, the probability of liquid spilling is higher. Five different types of flooring, usually utilized in the food industry, were tested: two unglazed gres tiles and three resin floors. The tiles were different in surface shape: one was flat (gres A), the other was a tile with embossed surface (gres B). The surface of the resin used was made up of a three-component... |
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Palavras-chave: AGRI FOOD BUILDING DESIGN Floor; Slip; Worker safety; Food industry buildings; Dynamic Friction Coefficient. |
| Ano: 2015 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3209 |
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| Barreca, Francesco. |
| One of the most common causes of accidents in food industry buildings is slipping caused, in particular, by the spilling of liquid substances on the floor, which reduces the coefficient of friction between floor and sole. The aim of this study was to assess the performance of the most common types of flooring used in the food industry, where, owing to the characteristics of the manufacturing stages, the probability of liquid spilling is higher. Five different types of flooring, usually utilized in the food industry, were tested: two unglazed gres tiles and three resin floors. The tiles were different in surface shape: one was flat (gres A), the other was a tile with embossed surface (gres B). The surface of the resin used was made up of a three-component... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: AGRI FOOD BUILDING DESIGN Floor; Slip; Worker safety; Food industry buildings; Dynamic Friction Coefficient. |
| Ano: 2015 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3209 |
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| B. K. Fritz; USDA-ARS, College Station,; W. C. Hoffmann. |
| The deposition and drift of aerially applied crop protection materials is influenced by a numberof factors including equipment setup and operational parameters, spray material, and meteorological conditions. This work focuses on evaluating the meteorological influences on the transport and ultimate fate of aerially applied sprays. There was no single meteorological factor that dominated the downwind transport of the spray treatments replicated in this study. Generally, lower relative humidity decreased downwind deposition and the amount of spray unaccounted for due to evaporative effects. Increasing wind speeds decreased both in-swath deposition and downwind deposition, and increased the amount of mass unaccounted for.Increases in stability were only... |
| Ano: 1969 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/1241 |
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| Yulianto, Dian; Raibhu, Soranat. |
| Automation was implemented to a small-scaled ornamental plant nursery farm primarily to tackle the problems of increasing labor cost and turnover. The implementation of automation came with issues different from that in the large-scale farming. A framework formulated from various approaches was applied as the guideline for specialists to work effectively together with the owner and workers in the implementation. Improvements were made to most activities in the nursery process. Automatic systems, which were simple, economic, and easy to adapt, were then applied to the irrigating and the replanting operations. The labor time for the original production capacity was reduced by 66%. Other improvements including transportation, production capacity, working... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2022 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/7673 |
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| F. Rovira-Más; S. Han; J. Wei; J. F Reid. |
| The growing demand for applications in Precision Agriculture has been proportional to the emergent interest in automatic guidance of agricultural machines. The difficult, and at the same time strenuous, task of driving a harvester during the prolonged working days of the harvesting season justifies the special attention paid to this technology. The development of Global Navigation Satellite Systems has meant an important push for autonomous navigation, especially in the case of off-road vehicles. However, experience has shown that automatic guidance inside the tight arrangement of crop rows is difficult to achieve unless local positioning sensors take part in the localization unit of auto-steered machines. This research develops a perception engine based... |
| Ano: 1969 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/944 |
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| H. W Griepentrog; M. Noerremark; J. Nielsen; J. S Ibarra. |
| Several developments and investigations have been done to automate the lateral control of hoes with the aim to achieve higher weeding efficiency and decreased labor costs. The aim of this project was to investigate the accuracy and limitations for a computer controlled hoeing operation based on a GPS system. A conventional hoe and an electro-hydraulic side shift frame was used and attached to a small automatic tractor. The main task of the controller systems was to minimize the lateral deviations between current GPS positions of the hoe related to a predefined route. The range of the cross track errors (standard deviations) altered between 0.009 m and 0.028 m for the hoe (ground measurements). The hoe system enables hoeing up to 83% of a field surface area... |
| Ano: 1969 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/936 |
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| M. Zeitzew. |
| Two off-the-shelf John Deere utility mowers were modified for X-by-wire control for the purposes of constructing autonomous vehicles usable in sports-turf mowing applications. The purpose of these mules was to enable the gathering of requirements and customer feedback on such a system. The environment selected initially was that of a baseball stadium. These areas can be characterized as flat, highly controlled and well-groomed, for which precise mowing patterns are necessities. Typically the operators of these mowers are highly skilled; an autonomous system has the benefits of saving time and labor, permitting the efficient usage of less-skilled employees, and allowing skilled personnel to focus on more complex tasks (such as infield mowing and warning... |
| Ano: 1969 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/947 |
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| Khan, Muhammad Tahir; Brulé, Mathieu; Maurer, Claudia; Argyropoulos, Dimitrios; Müller, Joachim; Oechsner, Hans. |
| Different fractions of banana (stalk, peel, and flesh) as well as the whole unpeeled banana were studied in a laboratory Biochemical Methane Potential (BMP) assay. After completion of 35-day digestion at 37°C in 2L-reactors, specific methane yields reached 0.256, 0.322, 0.367 and 0.349 m³/kg VS (volatile solids) for stalk, peel, flesh, and unpeeled banana respectively. Considering the country of Uganda, East Africa, the collection of peels and stalks from banana production would yield a theoretical potential of about 60 GWh of electrical energy per year in biogas plants. In order to verify the suitability of banana fractions to the biogas process, their chemical composition was analyzed, and their methane production kinetics was estimated with exponential... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Energy biogas; Anaerobic digestion; BMP assay; Model; Energy; Methane; Waste. |
| Ano: 2016 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3244 |
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| Amjad, Waseem; Hensel, Oliver; Munir, Anjum. |
| Uniform quality drying throughout the drying chamber of a dryer is important for a quality oriented drying process. The final quality of dried products significantly depends upon the drying temperature. A batch type dryer was developed for uniform air distribution. ANSYS-fluent was used to analyse the temperature distribution in the dryer. To assess the effect of drying temperature homogeneity on quality parameters, color and shrinkage of potato slices (6 mm thick) at 60° C were measured. The color parameters were quantified in CIELAB color space system. The shrinkage of slices (20 mm round samples) was measured using image analysis software. The rate of color change was found uniform at all sections of drying chamber with high value of R2. The kinetics of... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2015 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3265 |
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| Registros recuperados: 1.561 | |
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