نتایج جستجو برای: dependent size selective pattern for particle transportation

تعداد نتایج: 10951372  

Journal: :iranian journal of pharmaceutical sciences 0
ali nokhodchi department of pharmaceutics, faculty of pharmacy, tabriz university of medical sciences, tabriz, iran mitra jelveghari department of pharmaceutics, faculty of pharmacy, tabriz university of medical sciences mohammad-reza siahi department of pharmaceutics, faculty of pharmacy, tabriz university of medical sciences, tabriz, iran siavoosh dastmalchi department of pharmaceutics, faculty of pharmacy, tabriz university of medical sciences, tabriz, iran

benzoyl peroxide (bpo) is a first-line topical treatment in acne vulgaris, and it is superior to antibiotics, because the bacteria do not develop resistance to it. skin irritation is a common side effect, and it has been shown that controlled release of bpo from a delivery system to the skin could reduce the side effects while reducing percutaneous absorption. therefore, the purpose of the pres...

Journal: :iranian journal of public health 0
yuchan chao dept. of fashion and cosmetology design, tung fang design institute, kaohsiung, taiwan and dept. of chemical and materials engineering, national kaohsiung university of applied sciences, kaohsiung, taiwan. jinluh chen dept. of occupational safety and healthy, chia nan university of pharmacy and science, tainan, taiwan. weinduo yang dept. of chemical and materials engineering, national kaohsiung university of applied sciences, kaohsiung, taiwan. tsunghan ho dept. of chemical and materials engineering, national kaohsiung university of applied sciences, kaohsiung, taiwan. fusan yen dept. of chemical and materials engineering, national kaohsiung university of applied sciences, kaohsiung, taiwan.

background : this research provides an insight into exposure information and particle size distributions of bisphenol a (bpa), a common environmental hormone, at polycarbonate (pc) molding plants in southern taiwan. methods : the inhalable dust sampler as iom and the micro-orifice uniform deposition impactor (moudi) were used for samples collection to evaluate the level and particle size distri...

Journal: :international journal of bio-inorganic hybrid nanomaterials 2015
sh. aghabeygi m. zare-dehnavi a. farhadyar n. farhadyar

nanocomposite of zro2/zno was prepared under ultrasonic irradiation by sol gel process from directly mixing zirconium and zinc gels, and the mixture was placed under ultrasonic irradiation for 2 hours then aging time the filtrated composite gel was calcinated at 500°c for 3h in furnace. the precursor sol of zirconium was prepared from an aqueous solution of zrcl4 and zinc acetate dihydrated was...

Journal: :تحقیقات مهندسی کشاورزی 0
حسین کیانی دانشجوی سابق کارشناسی ارشد دانشکده مهندسی و فناوری کشاورزی سیدمحمدعلی ابراهیم زاده موسوی استاد گروه آموزشی مهندسی صنایع غذایی سیدهادی رضوی دانشیار گروه آموزشی مهندسی صنایع غذایی محمدسعید یارمند استادیار گروه آموزشی مهندسی صنایع غذایی علی دینی دانشجوی سابق دانشکده مهندسی و فناوری کشاورزی

as a native fermented dairy drink, doogh is an important industrial product in iran. however, its characteristics have not been completely evaluated. this study evaluated the flow behavior, particle size distribution and stability of non-fat doogh as affected by the row material employed (fresh skim milk or skim milk powder) and the total solids (ts) content of the final drink. the viscosity of...

Journal: :journal of petroleum science and technology 2015
yaser pourmazaheri hamid soltanian

the design of cement slurry for horizontal wellbores is challenging as it must present very high quality cement slurry properties e.g. zero free water, less than 50 cc api fluid loss value, appropriate rheology and yield point for effective displacement, adequate compressive strength, which is critical for lightweight slurries, and finally stable cement column behind casing. the main objective ...

2006
Songxiong Ding Guoxian Xiao

The flow-ability of granular is important parameter to be considered in many solids handling processes and operations such as transportation and storage. Flow property of granular solids depends on many factors of the physical properties such as the particle size distribution, the roughness of its surface, the content of moisture in solids and the relative humidity and temperature in its surrou...

Journal: :Journal of the Optical Society of America. A, Optics, image science, and vision 2005
Carsten Rockstuhl Hans Peter Herzig

We present our investigation of the torque exerted on dielectric elliptical cylinders by highly focused laser beams. The calculations are performed with rigorous diffraction theory, and the size-dependent torque is analyzed as a function of the axis ratio. It is found that highly elongated particles will experience a reversal of the torque for a radius that is approximately one third of the wav...

Journal: :nanomedicine research journal 0
simin seifirad chemistry department, faculty of science, payame noor university, abhar, iran hasan karami chemistry department, faculty of science, payame noor university, abhar, iran shadab shahsavari chemical engineering department, varamin-pishva branch, islamic azad university, tehran, iran farzad mirabasi chemistry department, north tehran branch, islamic azad university, tehran, iran farid dorkoosh department of pharmaceutics, faculty of pharmacy, tehran university of medical sciences, tehran, iran

objective(s): nanoparticles (nps) are known for their specific accumulation in the inflamed tissues of the colon and thus allow a selective delivery to the site of inflammation with minimum adverse effects. the main objective of this work is to attain mesalamine loaded chitosan nanoparticles as a carrier for oral delivery. methods: in this study, mesalamine loaded chitosan nanoparticles were pr...

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