نتایج جستجو برای: specific characteristics like size

تعداد نتایج: 2616496  

aIn the present study a 4-stroke 5hp diesel engine was tested with Diesel oil plus cottonseed oil blends. The blends in different proportions (10 to 50 percent by volume) were tested at constant speed of 1500 rpm. The said engine is operated at different loads and characteristics like Brake power, Brake thermal efficiency, specific fuel consumption etc. Engine performance for blends resulted in...

Journal: :CoRR 2014
Mariza Ferro Antonio Roberto Mury Laion F. Manfroi Bruno Schulze

High Performance Distributed Computing is essential to boost scientific progress in many areas of science and to efficiently deploy a number of complex scientific applications. These applications have different characteristics that require distinct computational resources too. In this work we propose a systematic performance evaluation methodology. The focus of our methodology begins on scienti...

ژورنال: مرتع 2023
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Extended Abstract Background and objectives: One of the important steps in assessing rangeland vegetation is determining the sample size. Adequacy of sample size and its determination is always one of the main concerns of rangeland vegetation analyzer. There are two general methods for determining the sample size in rangeland science: graphic and statistical methods. In this study, the sample...

Journal: :Journal of Marine Science and Engineering 2022

Filter-feeding invertebrates are found in almost all of the animal classes that represented sea, where they necessary links between suspended food particles (phytoplankton and free-living bacteria) higher trophic levels chains. Their common challenge is to grow on dilute concentrations particles. In this review, we consider examples sponges, jellyfish, bryozoans, polychaetes, copepods, bivalves...

Journal: :Writings in Romance-Germanic Philology 2019

Journal: Iranian Economic Review 2018

The respective study covers three aspects; factors determining credit rating, credit rating impact on performance of entities and the relation between stock returns and credit rating. The study focuses on the firms listed in Taiwan Stock Exchange (TSE) of Taiwan. The empirical analysis uses the data of 50 firms rated by Taiwan Ratings Corporation (TRC) for the period 2010-2015. Two estimation t...

زمانیان, علی, زواره, سیامک, شمسی, مهدی, نظافتی, نادر,

Ternary (%mol) (64SiO2-31CaO-5P2O5) system of sol-gel derived bioactive glass fibers was prepared by electrospinning method. X-ray Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and nitrogen adsorption test (BET) analyses were performed to investigate the phase and chemical group of the composition, morphology of the surface and specific surface area of the f...

To further clarify the specific photochemical mechanisms of salicylic acid (SA)-mediated adaptation to salt stress, this experiment was conducted to examine the effect of SA (100 and 500 μM) on photosynthesis, antioxidative capacity and phenolic metabolism in strawberry plants under salt stress (50 mM). The results showe...

Journal: :journal of paramedical sciences 0
daryoush khoramian department of medical physics, faculty of medicine, tarbiat modares university, tehran, iran. soroush sistani department of medical physics, semnan university of medical sciences, semnan, iran.

primary and widely in use computed tomography (ct) dose descriptor is a volumetric ct dose index (ctdiv) that is usually measured by a pencil ionization chamber with active length of 100mm and polymethyl methacrylate (pmma) phantom. ctdiv depends on scan parameters such as mas, kv, collimation, tube rotation time but is independent of patient’s size and shape. for the purpose of a good estimati...

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