نتایج جستجو برای: nano and micro droplets

تعداد نتایج: 16865496  

2004
Metin Sitti

This report contains the findings of the first NSF workshop on the newly emerging area of nano-scale systems, dynamics and control. This workshop brought together many leading researchers from various disciplines and background for discussing the current status, future research directions, and potential applications of this new field. After giving a general background on nano-scale dynamics and...

Journal: :جنگل و فرآورده های چوب 0
آیدا معزی پور کارشناس ارشد صنایع چوب و کاغذ، دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران محمد لایقی استادیار گروه علوم و صنایع چوب و کاغذ، دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران قنبر ابراهیمی استاد گروه علوم و صنایع چوب و کاغذ، دانشکدة منابع طبیعی، دانشگاه تهران، کرج، ایران بابک اکبری کارشناس بخش تحقیقات شرکت ساپکو (طراحی مهندسی و تأمین قطعات ایران خودرو)، تهران، ایران

in the present study, development of new asbestos-free brake pad using lingo-cellulosic fibers and nano aluminum oxide particles was investigated. variable factors were the type of lignocellulosic materials (jute, bagass and rice husk) and the size of aluminum particles (nano and micron). these newly formulated brake pads have been tested under the grey cast iron disc. friction coefficient and ...

Journal: :Micromachines 2013
Jung-Hao Wang Gwo-Bin Lee

A mono-dispersed emulsion is of great significance in many chemical, biomedical and industrial applications. The current study reports a new microfluidic chip capable of forming tunable micro-droplets in liquids for emulsification applications. It can precisely generate size-tunable, uniform droplets using flow-focusing channels and a normally-closed valve, which is opened by a pneumatic suctio...

Journal: :Advanced Drug Delivery Reviews 2016

Journal: :Micromachines 2020

Journal: :international journal of nanoscience and nanotechnology 2015
m. h. korayem h. khaksar m. taheri

the effect of geometry and material of the micro/nano particle on contact mechanic for manipulation was studied in this work based on atomic force microscopy. hertz contact model simulation for eph biological micro particle with spherical, cylindrical, and circular crowned roller shape was used to investigate the effect of geometry on contact simulation process in manipulation. then, to validat...

Journal: :international journal of nano dimension 0
ali ghamartale department of nano chemical engineering, faculty of advanced technologies, shiraz university, shiraz, iranسازمان اصلی تایید شده: دانشگاه شیراز (shiraz university) rahmatollah saboori department of nano chemical engineering, faculty of advanced technologies, shiraz university, shiraz, iranسازمان اصلی تایید شده: دانشگاه شیراز (shiraz university) samad sabbaghi department of nano chemical engineering, faculty of advanced technologies, shiraz university, shiraz, iranسازمان اصلی تایید شده: دانشگاه شیراز (shiraz university)

a high pressure drop happens when heavy oil with high viscosity moves through the oil pipeline. a variety of methods to avoid this pressure drop is available. one of which is injection of chemicals to reduce the viscosity and ultimately reduce pressure drop. using the pipesim software, the effect of dispersion of nano and micro-particles into the oil has been simulated to study the amount of th...

2017
Mancy Tong Qi Chen Joanna L. James Peter R. Stone Lawrence W. Chamley

BACKGROUND/OBJECTIVES Preeclampsia is a life-threatening hypertensive disease affecting 3-5% of pregnancies. While the pathogenesis of preeclampsia remains unclear, it is known that placenta-derived factors trigger the disease by activating maternal endothelial cells prior to the onset of clinical symptoms. Extracellular vesicles (EVs) of different sizes extruded by the placenta may be one fact...

In the present research, the D-(+)-Glucose–confined water nanodroplets with mean size in the range of 6-11 nm were synthesized at D-(+)-Glucose different concentrations by AOT reverse micelles (RMs) method as a function of mass fraction of droplet (MFD) at the constant water-to-surfactant molar ratio ( W=40). The dynamic light scattering of the nano-sized water droplets containing the D-(+)-Glu...

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