Zobrazeno 1 - 10
of 490
pro vyhledávání: '"S Minaei"'
Publikováno v:
Journal of Agricultural Machinery, Vol 11, Iss 1, Pp 29-42 (2021)
Several histogram equalization methods for enhancing the color images of Rosa Damascena flowers and some thresholding methods for segmentation of the flowers were examined. Images were taken outdoors at different times of day and light conditions. A
Externí odkaz:
https://doaj.org/article/0914cf3b3904414d9a4de3666bd546e2
Publikováno v:
Journal of Agricultural Machinery, Vol 7, Iss 1, Pp 140-151 (2017)
Introduction In recent years, the determination of firmness as an important quality attribute of apple fruits has been widely noticed. Common methods for firmness measurement are destructive and cannot be applied in sorting lines. Therefore, developm
Externí odkaz:
https://doaj.org/article/f6797bf5bf8e444e818bab5f736f52fe
Publikováno v:
Journal of Agricultural Machinery, Vol 5, Iss 2, Pp 468-480 (2015)
Introduction: The common method used for juice pasteurization is the thermal method since thermal methods contribute highly to inactivating microbes. However, applying high temperatures would lead to inefficient effects on nutrition and food value. S
Externí odkaz:
https://doaj.org/article/3ef5030334914c59a7a350f283dbe831
Publikováno v:
Journal of Agricultural Machinery, Vol 5, Iss 1, Pp 101-110 (2015)
In recent years, application of near-infrared spectroscopy (NIR) as a non-destructive technique combined with chemometric methods has been widely noticed for quality assessment of food and agricultural products. In chemometric methods, quality analys
Externí odkaz:
https://doaj.org/article/e0ef1dcc6086470d9de62fc96e91b0b1
Publikováno v:
Journal of Agricultural Machinery, Vol 5, Iss 1, Pp 10-24 (2015)
Electronic canopy characterization to determine structural properties is an important issue in tree crop management. Ultrasonic and optical sensors are the most used sensors for this purpose. The objective of this work was to assess the performance o
Externí odkaz:
https://doaj.org/article/546fea643ff847a3806ced4b0ba7187e
Publikováno v:
Journal of Agricultural Machinery, Vol 4, Iss 2, Pp 285-295 (2014)
In this research, four different positioning methods were compared in order to evaluate their accuracy, using a remotely controlled robot on a specific route. These methods included: using a single GPS module, combining the data from three GPS module
Externí odkaz:
https://doaj.org/article/1b9696fa41dd4be08cc58c265f829fac
Publikováno v:
Journal of Agricultural Machinery, Vol 4, Iss 2, Pp 344-351 (2014)
Agricultural mechanization is a method for transiting from traditional agriculture towards industrial and sustainable one. Due to the limitation of natural resources and increasing population we need to have economical production of agricultural crop
Externí odkaz:
https://doaj.org/article/999b1a9d857e49f7bfa9271442693d02
Publikováno v:
Journal of Agricultural Machinery, Vol 4, Iss 2, Pp 324-334 (2014)
Development of ultrasound technique has not been progressing for evaluating the internal quality of fruits as fast as that of processed foods. In this research for quality assessment of pear fruit (Shah Miveh variety) an ultrasonic measurement system
Externí odkaz:
https://doaj.org/article/6726f4f88dbb46f1851027aacfc27b90
Publikováno v:
Journal of Agricultural Machinery, Vol 4, Iss 1, Pp 98-107 (2014)
In this study thin layer drying of corn in a convective dryer was investigated at air temperatures of 50, 60 and 70ºC and air flow rates of 1, 1.4 and 1.8 kg min-1. Experiments were performed in Completely Randomized Design (CRD). The effect of air
Externí odkaz:
https://doaj.org/article/bd7fc6a2f5714e6ca3e35b67590b04bd
Publikováno v:
Journal of Agricultural Machinery, Vol 3, Iss 1, Pp 48-57 (2013)
The most important quality indicator of fruits is the flesh firmness which is well correlated to their young’s modulus. In this research variation of vibration characteristics (shape modes, natural frequency) of apple due to change of material char
Externí odkaz:
https://doaj.org/article/47d7f2a934024bee9b0604f9ec15d5fd