نتایج جستجو برای: chamber of commerce

تعداد نتایج: 21170637  

Bakhtiari, Behnaz, Khodami, mahnaz,

Plagioclase is the most abundant mineral in basaltic andesites in the north Gavkhouni. Olivine and pyroxene are the other rock forming mineral there. In their 3-dimensional shapes, they are unequal and varies between bladed to prolate. Plagioclase sometimes exhibit dusty texture, oscillatory zoning and sinusoid growth. Based on crystal size distribution data, the rate of crystal nucleation of p...

Journal: :Economics & Sociology 2023

This study aims to analyze the factors influencing unemployment and determine role of stakeholders in reducing Central Java Province, Indonesia. Data encompasses 35 regencies municipalities Province from 2007 2020, with total sample being 490. The employed sequential mixed method includes two analytical tools, namely panel data vector regression mactor software; latter is used examine convergen...

Journal: :iranian journal of medical physics 0
mohammad taghi bahreyni toossi medical physics research center, school of medicine, mashhad university of medical sciences, mashhad, iran department of medical physics, school of medicine, mashhad university of medical sciences, mashhad, iran

introduction computed tomography scans are a very important tool for diagnosis and assessment of response to treatment in the practice of medicine. ionizing radiation in medical imaging is undoubtedly one of the most powerful diagnostic tools in medicine. yet, as with all medical interventions, there are potential risks in addition to the clear potential benefits. materials and methods two refe...

Control of nitric oxides (NOx) is one of the key elements in designing combustion systems because of the important role on ozone layer destruction and smog formation. Because of the sensitivity of thermal NO mechanism to temperature, a practical and scientific method for thermal NO reduction is decreasing the flame temperature. Dilution is one way to reduce maximum temperature in the combustion...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2010
sayed reza shabanian masoud rahimi abbas khoshhal ammar abdulaziz alsairafi

this paper reports a cfd modeling study to investigate the hydrogen-air mixture combustion in a micro scale chamber. nine species with nineteen reversible reactions were considered in the premixed combustion model. the effect of operational and geometrical conditions including; combustor size, wall conductivity, reactant flow rates and hydrogen feed splitting on combustion stability and outlet ...

2012
Yao Zhong

The paper explores the concepts of social commerce, the behavior of consumers in social commerce, business models and revenues models of social commerce. We use the Facebook social network commerce as an example to explore the social commerce concept models, classifications of social commerce, revenue model and limitation of social commerce. The social commerce is still in infant stage, there a...

Journal: :Electronic Commerce Research and Applications 2004
Jen-Her Wu Tzyh-Lih Hsia

Electronic commerce (E-commerce) innovating applications have posed novel, technical, organizational and commercial challenges. This study uses a hypercube model to investigate these innovative changes and focuses on their impacts on E-commerce stakeholders: providers, E-commerce companies, customers, and complementors. The results indicate that mobile commerce (M-commerce) differs substantiall...

ژورنال: مواد پرانرژی 2014

Grenade launchers renew the interest for the interior ballistic principle of high/low pressure chambers which is applied in them. In this paper for the sake of optimization in the specific grenade launcher the theoretical investigations are carried out. In theoretical modeling special attention is paid to flow of two- phase mixture of propellant gases and unburned propellant from the high -pres...

Journal: : 2023

Family entrepreneurship as a social phenomenon, type of employment and economic activity the Russian family remains poorly studied issue sociological analysis sociology entrepreneurship. The author this article guided by principle historical continuity analyzes phenomenon from viewpoint theoretical positions J. Schumpeter, N. Kondratiev, F. Knight, Haiker I. Kirzer. At same time, synthesizes an...

Journal: :تحقیقات بازاریابی نوین 0
abdolghader pourali

mobile commerce is whatever electronic transfer or transaction via a mobile modem through a mobile net in which the true value or advance payment is done for goods, services or information. a mobile payment system should be beneficial for all related persons. for a payment system to be a successful system, end-user, seller, exporter and operators should see a additional value in it. end-user pr...

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