نتایج جستجو برای: chamber of commerce
تعداد نتایج: 21170637 فیلتر نتایج به سال:
Introduction: The previous studies have used fibrous absorbents usually in the form of cone-shaped wedges for making anechoic and semi-anechoic chambers which their design and construction have been costly and difficult. The present study aimed to design a semi-anechoic chamber, using rectangular fibrous absorbents and also perform acoustic analysis for it. . Material and Method: In the presen...
The work in question here aims to show how contracts are the basis for carrying out electronic commerce or E-commerce, since its rule is also based on Consumer Defense Code (CDC), Law 8.078/90. In addition, it will clarify use obtain any other asset. adhesion contract, focus of our study, a contract carried where only one parties willing assume risk thing, which generally movable good and almos...
Background: The need for high-quality education and setting principles and practices for enhancing educational policy and practice using modern techniques is self-evident. The entrance of students into the factories is sometimes limited, and of particular concern is that students likely face danger by their presence at the workplace. A review of the related literature revealed no research inv...
The Generalized Extreme Value (GEV) distribution is used to model the electric field inside a Reverberation Chamber (RC). GEV distribution is particularly indicated for this application where the maximums of the field are studied, as it specifies the theoretical distribution of the maximums according to the Fisher-Tippett theorem. In a first part of this paper we present the Fisher-Tippett theo...
Theories abound on governments. Virtual government is among the latest such theories which evolved in the late 1990s as a model for 21st century organizations. The evolution of these theories reflects the historical trend of human civilization, moving from tradition to modernism and ultimately post modernism. In the post- modern phase, this evolution has undergone a change owing to the communic...
This research focuses on the need for preserving fruits in rural areas to prevent waste. The solar drier is made of vital chambers i.e. the concentrator chamber (that harvests the solar irradiance), the transport pipe (that transports the heat generated by convection) and hanger chamber (where the fruits are placed). The temperature within the concentrator chamber and hanger chamber was monitor...
Increasingly improvements in foreign commerce have promoted trading exchanges and merchants conclude different commercial contract in international level. However, they may fail in executing their financial commitment in such transactions and experience insolvency due to losses or happening different events. Therefore, international insolvency phenomenon especially a competent court to proceed ...
This paper presents a model for assessing the efficiency of e-commerce in the provinces of IRAN with data envelopment analysis (DEA). For this purpose, first, we assess the factors that affect to growth and use of e-commerce in Iran, then to show the efficiency of IRAN's provinces on e-commerce, data analysis model applied. Results show the average efficiency in IRAN in year 2016 compared to ye...
Background Although the depth of the counting chamber is an important factor influencing sperm counting, no research has yet been reported on the measurement and comparison of the depth of the chamber. We measured the exact depths of six kinds of sperm counting chambers and evaluated their accuracy. MaterialsAndMethods In this prospective study, the depths of six kinds of sperm counting chamber...
A computational study aiming to investigate the effect of combustion chamber geometry on combustion process and emission has been carried out in a direct injection diesel engine. The combustion process and emission of three different combustion chamber geometries were considered, and combustion process behaviors such as variation of mean pressure, velocity, heat release rate, emission productio...
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