نتایج جستجو برای: pot transplanter was designed

تعداد نتایج: 4077355  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1394

abstract previous studies on willingness to communicate (wtc) have shown the influence of many individual or situational factors on students’ tendency to engage in classroom communication, in which wtc has been viewed either at the trait-level or situational level. however, due to the complexity of the notion of willingness to communicate, the present study suggests that these two strands are ...

Journal: :Agriculture 2023

Conventional mat-type seedlings are still widely used in autonomous rice transplanters and automatically supplying seedling devices suited to conventional is difficult develop. Thus, an transplanter carries at least one person load the pieces into box, which has led increase labor force low operational efficiency. To solve this problem from another point of view, a machine vision-based system f...

Journal: :Jurnal Teknik Mesin 2022

Today's agricultural development is inseparable from the of tools and machinery technology. The application this technology can be in form mechanization for rice cultivation using a transplanter. With that helps them, it hoped productivity Indonesia will increase year to farmers who are generally elderly work more easily managing their fields. purpose study identify determine level consumer nee...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه 1377

‏‎applications such as high definition viedeo reproduction, portable computers, wireless, and multimedia demand, and ever-increasing need for ligh-frequency high-resolution and low-power analog-to-digital converters. flash, two-step flash, and pipeline convertors are fast but consume large amount of power and require large area. to overcome these problems, successive approximation converter blo...

Journal: :Agriculture 2023

The rollover tendency of upland farm machinery needs to be carefully considered because crop fields are typically irregular, and accidents frequently result in injuries even death the operators. In this study, characteristics an underdeveloped 12 kW automatic onion transplanter were determined theoretically evaluated through simulation validation tests considering mounting position transplantin...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1388

the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...

Journal: :INMATEH-Agricultural Engineering 2021

Aiming at the problems of high specificity and low efficiency vegetable transplanting machine, a substrate block seedling transplanter was designed. Through theoretical calculation force analysis, structural parameters two key components automatic separation device planting are determined. Taking cabbage seedlings with 40 × 40mm size as experimental object, effects forward speed, frequency, fro...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده ادبیات، زبانهای خارجی و تاریخ 1391

the aim of conducting this study was to investigate the foreign language learning needs of undergraduate economics students and business management students in faculties of social sciences of alzahra and azad naragh university. in the study, which was designed on the basis of a qualitative-quantitative basis using interviews and questionnaires, 146 female undergraduate business management as we...

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