نتایج جستجو برای: Draft
تعداد نتایج: 25993 فیلتر نتایج به سال:
در تحقیق اخیر موضوع تغییرات در فرایند ریسندگی الیاف کوتاه مورد بررسی قرار گرفته است .یکی از مسایل مهم در خطوط ریسندگی تنظیم فلصله ،فشار غلتک ها و مقدار کشش در ناحیه کشش عقب break draft ونسبت آن در کشش اصلی main draft است در این تحقیق کشش نواحی فلایر 16 حالتو رینگ در 7 حالت تغییر داده شده است و با استفاده از آنالیز واریانس یک طرفه وچند طرفه بهترین وضعیت مورد بررسی قرار گرفت که فاصله غلتک ها بیشت...
The effects of three levels of soil moisture content (8-10, 10-12 and 12-14% d.b.) and three levels of plowing depth (15, 20 and 25 cm) on draft, specific draft and drawbar power requirement of a 7-shank chisel plow in a clay loam soil were investigated. The experimental design was a randomized complete block design with a 3×4 factorial. The effect of plowing depth on all of the parameters ment...
drafts of major primary tillage implements were measured in a clay loam soil using a tension loadcell. implements consisted of a moldboard, a disk and a chisel plow each equipped with one tillage unit. a photoelectric speed sensor was used for actual forward speed measurements. during the study, the effects of forward speed and tillage depth on draft requirements were investigated. a general re...
Objectives Mental health acts have been developed in different countries to protect human and civil rights of people with psychiatric disorders. In Iran, although there are some scattered laws within the existing body of laws, there is no separate mental health act. The aim of the present project was to prepare a draft pertaining to the mental health act in the country. Methods The draft of th...
The effects of three levels of soil moisture content (8-10, 10-12 and 12-14% d.b.) and three levels of plowing depth (15, 20 and 25 cm) on draft, specific draft and drawbar power requirement of a 7-shank chisel plow in a clay loam soil were investigated. The experimental design was a randomized complete block design with a 3×4 factorial. The effect of plowing depth on all of the parameters ment...
The effects of three levels of soil moisture content (10 - 12, 13 - 15 and 16 - 18% d.b.) and three levels of plowing depth (15, 20 and 25 cm) on draft, specific draft, and drawbar power requirements of a 3 - bottom disk plow and on soil pulverization and inversion in a clay loam soil were investigated. The experimental design was a randomized complete block design with a 3 × 3 factorial. Excep...
The effects of three levels of soil moisture content (10 - 12, 13 - 15 and 16 - 18% d.b.) and three levels of plowing depth (15, 20 and 25 cm) on draft, specific draft, and drawbar power requirements of a 3 - bottom disk plow and on soil pulverization and inversion in a clay loam soil were investigated. The experimental design was a randomized complete block design with a 3 × 3 factorial. Excep...
the chisel plow is one of the tillage implements utilized to carry out conservation tillage practices; therefore, it is valuable to pay more attention on the force requirement of this implement. to achieve this goal, a theoretical model was developed to calculate draft, specific draft, and drawbar power of a chisel plow. then, results obtained from the developed model were compared with the rep...
Draft tube of Francis type hydraulic turbine usually consists of: cone, elbow and diffuser. On the contrary, in some power stations an extra pipe should be added to the draft tube at the bottom of cone because of installation limitation. In this paper, this special case has been numerically studied. To this end CFD analysis was applied to simulate all parts of hydraulic turbine. A homogeneous m...
the international responsibility of state, constitute one of the most important questions in the field of the international law. with adoption of draft article about state responsibility by ilc (2001), the subject of human rights, remain. in the other word, is this draft, include any field of state responsibility and any conduct arising from private actors, or the subject of human rights remind...
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