نتایج جستجو برای: nano and micro droplets
تعداد نتایج: 16865496 فیلتر نتایج به سال:
Here we present the experimental findings of research into integral characteristics secondary droplets produced from micro-explosive fragmentation two types initial droplets. Both are based on water and tetradecane: an emulsion droplet a two-component immiscible with as core tetradecane envelope. We study threshold (critical) conditions for micro-explosion substrate heated up to 550 °C. In cour...
Aerosol particles in the atmosphere are important participants in the formation of cloud droplets and have significant impact on cloud albedo and global climate. According to the Köhler theory which describes the nucleation and the equilibrium growth of cloud droplets, the surface tension of an aerosol droplet is one of the most important factors that determine the critical supersaturation of d...
In this paper, a continuum model based on the nonlocal elasticity theory is developed for vibration analysis of embedded orthotropic circular and elliptical micro/nano-plates. The nano-plate is bounded by a Pasternak foundation. Governing vibration equation of the nonlocal nano-plate is derived using Nonlocal Classical Plate Theory (NCPT). The weighted residual statement and the Galerkin method...
INTEGRATION OF Ag2Ga NANONEEDLES ON BATCH FABRICATED MICRO-GRIPPERS FOR MATERIAL PROPERTY MEASUREMENT PengXu March 22, 2011 In this thesis self-assembled growth of Ag2Ga nano-needles on batch fabricated micro-grippers are reported. The room temperature growth of Ag2Ga nano-needles have been recently developed as stylus for Atomic Force Microscopy (AFM). Integration of such nano-needles onto bat...
In recent years, a very large amount of scientific work has been achieved around Micro-Electro-Mechanical Systems (MEMS). Some industrial success stories (accelerometers, gyroscopes and MOEMS) have shown their maturity. MEMS are now starting to take place around us in our everyday life as the microelectronic did 20 years ago. However, a lot of effort is still needed for the integration of ICs a...
Application of ceramic reinforcements is one of the effective and well-known ways to refine the microstructure of brittle metals such as magnesium. In this research, the influence of nano/micro particles of zirconia on the microstructure of cast AZ91 alloy was studied. At the first stage, nano and micro ZrO2 powders were blended through mechanical alloying procedure. In five specimens, the tota...
Icariin has been identified to promote osteogenic differentiation of bone mesenchymal stem cells (BMSCs). However, whether icariin could enhance angiogenic factor expression of BMSCs, which may be vital for bone repair need to be explored. Moreover, how to construct a delivery system of icariin and the repair capability in the bone defect is still unknown. In present study, the effects of icari...
1. Three fractions of "droplets" having diameters of 1 to 5 micro (fraction I), 0.5 to 1.5 micro (fraction II), and 0.1 to 1.0 micro (fraction III) were isolated from the kidney cells of normal rats. 2. All three "droplet" fractions showed 10 to 15 times higher activities of acid phosphatase, beta-glucuronidase, ribonuclease, desoxyribonuclease, and cathepsin than the total homogenate and the m...
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