نتایج جستجو برای: stream surfaces

تعداد نتایج: 187635  

Farzaneh Azimi Reza Talaei Seyed Ahmad Hosseini

An erosion hazard index methodology (EHIM) was developed for assessing stream erosion. The index of stream erosion is designed as a management tool. Assessing stream erosion involves consideration of a range of aspects of streams and a value judgment about a desirable state. The assessment of the erosion indicators of streams was based on a state-wide assessment of physical stream condition. A ...

Journal: :Journal of Physical Oceanography 2020

Mansour Shirvani, Mohammad Reza Zahiri Sepideh Akhbarifar Sorood Zahedi Yousef Shamsaii

In this paper a new process is presented for improving efficiency of cyclone de-dusting systems. The cyclone is coupled with a specially designed cylindrical chamber which includes a rotating tube inside it with air impinging nuzzles, drilled on the peripheral surface of the tube. The nuzzles help in pushing and throwing the particles to the outer radius distances during downward flow of du...

Journal: :infection, epidemiology and medicine 2016
farzaneh mehraban mahmoud nateghi rostami masoumeh douraghi masoumeh dolati

background: the role of the hospital environment as a source of dissemination of pathogens is critical. environmental surfaces in the intensive care units (icus) are suitable for the growth of gram-negative bacteria that normally circulate between the environment and patients and can cause outbreaks of nosocomial infections. in this study, the prevalence of gram-negative bacilli in the environm...

Journal: :iranian journal of catalysis 0
shahab khameneh asl materials eng. department, mechanical eng. faculty, university of tabriz, tabriz, iran, p.o. box: 5166614766. deniz unar chemical eng. faculty, middle east university of technology, ankara, turkey.

titania nanotubes (tnt) prepared by anodization of ti foils were used for water splitting in a standalone cell. the concentration polarization between the anode side (1m naoh) and cathode side (0.5 m h2so4) ensured that the water splitting reaction could take place with no external bias and separate h2 and o2 evolution could be achieved. the destruction of tnt structures under 365 nm uv irradia...

Journal: :bulletin of the iranian mathematical society 2015
m. r. jabbarzadeh f. talebi

in this paper, we consider weighted composition operators betweenmeasurable differential forms and then some classic properties of these operators are characterized.

Journal: :ACM Transactions on Parallel Computing 2018

Journal: :Water 2021

In tropical Indonesia, rainforests are managed by an intensive forest management system (IFMS). The IFMS has promoted selective logging for timber harvesting and line planting to enrich the standing stock. implementation of reduced canopy cover, disturbed surface soil, changed soil hydraulic properties, increased direct runoff erosion. Investigation impact on properties generation using a satur...

Potential flow over rotating cylinder is usually solved by the singularity method. However,in this paper a mathematical solution is presented for this problem by direct solution of the Laplace’sequation. Flow over the cylinder was considered non-viscous. Neumann and Dirichlet boundaryconditions were used on the solid surfaces and in the infinity, respectively. Because of non-viscous flow,the La...

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