Measurement of Mass and Force

Weak Force Measurement in Bistable Optomechanical System

One of the main milestones in the study of opto-mechanical system is to increase the sensitivity of weak forces measurement up to the standard quantum limit. We have studied the detection of weak force under a bistable condition in red detuned regime. In this case, dynamics of the system behaves asymptotically similar to stationary state and applying external force affects phase and fluctuation...

Experimental measurement of heat transfer coefficient and mass of deposited CaSO4 in subcooled flow boiling condition

Fouling is a common, fundamental and costly problem in heat transfer systems, which reduces thermal efficiency of equipment, increases the energy loss and causes strong damage to the heat transfer equipment in various industries. The main causes of fouling on the heat transfer surfaces are salts with inverse temperature-solubility in the fluid which calcium sulfate is one of the most important ...

عنوان روایی پایایی نسخه فارسی پرسشنامه سرمایه اجتماعی اونیکس در سالمندان validity and reliability of the persian version of onyx social capital measurement

مقدمه: یکی از چالشهایی که اغلب سالمندان با آن مواجهند برقراری ارتباط با افراد جدید و بزرگتر کردن دایره روابط اجتماعی خود می باشد. برقراری روابط اجتماعی و ایجاد و تقویت شبکه اجتماعی در سالمندان ممکن است منجر به ایجاد سرمایه اجتماعی شود. سرمایه اجتماعی یک مسئله چند بعدی است که ابعاد مختلفی از ساختار اجتماعی را در بر می گیرد. در این پژوهش بر آن بوده ایم که به تهیه نسخه فارسی پرسشنامه سرمایه اجتماع...

Direct Force Measurement of Liposomes by Atomic Force Microscopy

Liposomes serve as models for cells and show increasing applications in medical and nonmedical fields. Unilamellar vesicles are prepared from multilamellar vesicle (MLV) dispersions either by sonication or extrusion. The shape stability of liposomes is important in the understanding of membrane fusion, as well as in drug delivery and gene therapy. Therefore it has been the subject of numerous t...

Measurement and Standards of Space and Mass