نتایج جستجو برای: pressure systems

تعداد نتایج: 1565486  

Journal: :Separation and Purification Technology 2023

Membrane technology is commonly used within food, bio- and pharmaceutical processes. Beside single-stage membranes, multi-stage membrane systems are become more popular to improve separation performance. In this review, we present a unified four-phase model-based optimization framework optimize these systems, using mechanistic models, empirical models including machine learning or combination o...

بلیانی, سعید, سلیقه, محمد,

The results of this study indicated that the synoptic patterns that lead to heavy rainfall in 22 March 1996, 24 mar 1995 and 17 November 1994 in the northern portion of FARS province includes: the low pressure that located in eastern part of Mediterranean and Black sea and southern part of Caspian Sea that created by trough that located at the middle level of atmosphere. In addition to this low...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

different researchers in different parts of the world have investigated the strategies used to translate written works ranging from novels to classroom assignments. however, by the significant increase in the number of postgraduate students in iran in the last few years, a very common kind of translation in iran includes translating abstracts of master’s theses. in this work, the researcher hav...

Journal: :British journal of anaesthesia 2006
A Ercole

Poor fidelity invasive arterial blood pressure (IABP) traces are a frequent practical problem. It is common practice to describe any such trace as being 'damped'; the resonance behaviour of IABP measurement systems having been extensively described in the literature. However, as poor quality arterial blood pressure signals are seen even with optimal pressure transduction circuits, this cannot b...

Abolfazl Khajavirad, Amir Baniasad Mahmoud Ghavi Mahmoud Hosseini, Mohammad Naser Shafei, Saeed Aminzadah

Objective: Rosa damascena mill L. (R. damascena) is a well-known plant with fragrant effects. Several therapeutic effects of this plant on respiratory, gastrointestinal and nervous systems have been reported. It is also suggested to have beneficial effect on cardiovascular system especially blood pressure regulation. The present study was carried out to evaluate acute cardiovascular effect of h...

Water is the most essential component for sustaining lives of humans and other living creatures. Supplying potable water with adequate residual pressure is a fundamental responsibility of city administration, which they do during normal conditions. But sometimes, abnormal conditions are formed resulting pressure deficient conditions during the daily operations of water distribution networks. Th...

Journal: :journal of agricultural science and technology 2011
f. shahbazi

knowledge of resistance to airflow through agricultural products is an important consideration in the design of drying, cooling, or aeration systems and proper fan selection for these systems. resistance to airflow of bulk chickpea seeds was studied at moisture contents in the range of 9.21 to 21.36 % (wet basis) for airflow rate range from 0.02 to 0.50 m3 s-1 m-2, using an experimental test co...

Journal: :iranian journal of pharmaceutical sciences 0
mohammad barzegar jalali department of pharmaceutics, faculty of pharmacy drug applied research center, tabriz university of medical sciences, tabriz, iran mohammad reza siyahi shadbad department of pharmaceutics, faculty of pharmacy azim barzegar-jalai iranian blood transfusion organization, ardabil, iran khosro adibkia department of pharmaceutics, faculty of pharmacy department of pharmaceutics, faculty of pharmacy, zanjan university of medical sciences, zanjan, iran ghobad mohammadi department of pharmaceutics, faculty of pharmacy, kermanshah university of medical sciences, kermanshah, iran behnaz aghai department of pharmaceutics, faculty of pharmacy mahdi zeraati

hard gelatin capsule filled with acetaminophen, osmotic agent (sorbitol), a release promoter (sodium dodecyl sulfate), coated with a semipermeable cellulose acetate membrane containing a hydrophobic plasticizer (castor oil) and sealed with white bees wax plug was designed. when placed in the sink water penetrates the membrane, dissolves the osmotic agent and increases the osmotic pressure insid...

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