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1、此文档是毕业设计外文翻译成品（ 含英文原文+中文翻译），无需调整复杂的格式！下载之后直接可用，方便快捷！本文价格不贵,也就几十块钱！一辈子也就一次的事！外文标题：Performance evaluation of a peanut harvesting machine in Guilan province, Iran外文作者：Afshin Azmoodeh-Mishamandani, Shamsollah Abdollahpoor, Hossein Navid, Mohammad Moghaddam Vahed文献出处: International Journal of Biosciences
2、,Vol. 5, No. 10, p. 94-101, 2018 (如觉得年份太老，可改为近2年，毕竟很多毕业生都这样做)英文3362单词，20870字符(字符就是印刷符)，中文5283汉字。（如果字数多了，可自行删减，大多数学校都是要求选取外文的一部分内容进行翻译的。）Performance evaluation of a peanut harvesting machine in Guilan province, IranKey words: Conveyor slope, Evaluation, Forward speed, Peanut harvester, Soil moisture
3、content.Abstract:The objective of this study is determination of the effect of soil moisture content, forward speed and conveyor slope on pods loss in peanut harvesting. For this purpose, the percent of exposed pods loss, unexposed pods loss, undug pods loss and damaged pods loss were obtained accor
4、ding to related standard. The results revealed the effect of soil moisture content and forward speed were significant on the pods different loss while, the effect of conveyor slope wasnt significant for all variables. The Interaction effect of forward speed and soil moisture content was only signifi
5、cant on the percent of exposed pods loss. As a result of this study, the sensible reduction of the pods loss total is possible by reducing the unexposed pods loss that was only related to the soil moisture content. Thus, the soil moisture content in harvesting must be controlled. Also results were r
6、evealed the averages of exposed pods loss can decrease by using the minimum conveyor slope at the minimum forward speed and vice versa.IntroductionPeanut (Arachis hypogaea L.), also known as groundnut, is a self-pollinating, indeterminate, annual herbaceous legume crop (Burns, 2010). As the alternat
7、ive name implies, peanut produces its fruit (pods) below ground. The pods are usually located up to a depth of 7 - 10 cm that referred to as pod zone (Ademiluyi et al., 2011). Peanut mostly grown due to its oil, protein and carbohydrates (Abdzad Gohari et al., 2010). The oil of peanut is one of the
8、most important vegetable oil in regions where other oily vegetables cannot grow up (Hosseinzadeh Gashti et al., 2012). Peanut has several uses as whole seeds or is processed to make peanut butter, oil, and other products (Putnam et al., 2013). Peanut is one of the most important oilseed plants in th
9、e world that it seeds contain 40 - 50% fat, 20 - 50% protein and 10 - 20% carbohydrate depending on the variety (Okello et al., 2010). Peanut is currently grown on over 22.2 million hectares worldwide with a total production of over 35 million tons (Raoa et al., 2013). More than half of the producti
10、on area is in arid and semi-arid regions (Reddy et al., 2003). Peanut was harvested when most of the leaves turned yellow and pods became hard (Arakama, 2013). This is when it is 120 150 days after planting depending on the variety (Oyelade et al., 2011). This operation is usually delayed by the gre
11、atest amount of pods reaches maturity but should occur before excessive sprouting or over-maturity. This operation causes peanut losses and usually the ripen peanuts are left in the ground. The amount of peanuts losses depend on the plant age and their health (Sanders and Bett, 1995, McNeill, 1996).
12、 Harvesting when 75-80% of pods have turned dark inside the shell will usually give the best grade and yield (Jordan et al., 2008). Heavy digging loss is unavoidable when the pegs are weakened due to over maturity or premature defoliation caused by disease, or when the soil is very dry and hard (Rob
13、erson et al., 2010). In the traditional method of groundnut harvesting, the vines are uprooted by hand or hand tool with the entire root system (Ademiluyi et al., 2011). This operation is the most important and labor intensive operations in peanut cultivation. This problem has been overcome by using
14、 of machinery. There are two mechanical harvesting methods in the world. In the first method, peanuts harvest in two stages while the second method does this work in one stage. In two stages harvesting, the vines dig, shake and finally invert. This tree action carried out by one machine that known a
15、s digger/shaker/inverter. The harvested peanuts left on the field for two or three days of sun drying. Finally, peanut combine lifts dried peanuts from the ground and threshes them. In one stage harvesting, all the mentioned steps in two stages harvesting are integrated by peanut combine.Iran is one
16、 of the largest producers of peanut in the Middle East (Nabavi-Pelesaraei et al., 2013). Its cultivation is about 3000 hectares with annual kernel production of 6,000 tons that about 2500 hectares of it located in Guilan province (Hosseinzadeh Gashti et al., 2009). Some of peanut cultivation operations in Guilan province carried out mechanized while peanut harvesting is done manually yet. During peanut harvesting in Guilan province, due to rice harvesting in neig
