نتایج جستجو برای: dual mechanical port machine
تعداد نتایج: 669461 فیلتر نتایج به سال:
This study evaluated the effect of mechanical cycling on the bond strength of zirconia posts to root dentin. Thirty single-rooted human teeth were transversally sectioned to a length of 16 mm. The canal preparation was performed with zirconia post system drills (CosmoPost, Ivoclar) to a depth of 12 mm. For post cementation, the canals were treated with total-etch, 3-steps All-Bond 2 (Bisco), an...
Based on Mason’s signal flow graph analysis, an analytical model of the optical mode localization based coupled ring resonators is established. The correctness theoretical proved by simulation. High sensitivity and common-mode rejection can be achieved evaluating modal power ratio from resonant peaks as sensing output. four-port structure, two output spectrum with (asymmetric splitting) symmetr...
This paper is devoted to path following control for electro-mechanical systems described by the port-Hamiltonian form. Path following control is investigated mainly for mechanical systems since the desired path is characterized by its 'position'. Therefore, most of the existing results use the nature of second order differential equations since mechanical systems are described by them. The pres...
This paper presents the control approach for single inverter dual coupled brushless DC motors (DCBLDC) drive system. One of the basic requirements of such systems, is the power balance between two motors and on the other hand, minimizing mechanical fluctuations in order to avoid mechanical equipment damage especially in the state of mechanical resonance. This paper also presents an improved for...
Background: The port catheters are used to give long-term total parenteral nutrition, intravenous fluids, blood and blood products, or to be preferred for oncology and hematological diseases. In this study, we sought to review our results concerning the subcutaneous port catheter appliance in childhood malignancies. Methods: Two hundred ten subcutaneous port catheters applied to 192 patients be...
a newly developed heavy duty diesel engine in dual fuel mode of operation has been studied in detail. the main fuel would be natural gas and diesel oil as pilot injection. the importance and effects of mixture preparation and formation through ports, valves and in cylinder flow field with different swirl ratio and tumble on diesel combustion phenomena is an accepted feature which has been studi...
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