نتایج جستجو برای: in chemical industry

تعداد نتایج: 17072764  

Journal: :Occupational and Environmental Medicine 1955

The present article studies the interactive relationships between oil price volatility and industries stocks of basic metals, petroleum and chemical products by using Vector Auto Regressive (VAR) and Multivariate Generalized Autoregressive Conditional Heteroskedastisity (GARCH) models from March 2004 to March 2015 empirically . In this research, the VAR-GARCH model is proposed, which is develop...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1389

abstract the present research is prepared to study the culture of tea consuming among iranian. the case group which was statistically used for this study was people of lahijan , about four hundred wich were chosen according to their age , gender , education and occupation , randomly selected to fill the questionnaire . then the data collected through the questionnaire was analyzed according ...

2014
Haochen Ni Yikang Rui Jiechen Wang Liang Cheng

The chemical industry poses a potential security risk to factory personnel and neighboring residents. In order to mitigate prospective damage, a synthetic method must be developed for an emergency response. With the development of environmental numeric simulation models, model integration methods, and modern information technology, many Decision Support Systems (DSSs) have been established. How...

Journal: :International Chemical Regulatory and Law Review 2020

Journal: :تحقیقات مالی 0
محمد حسین ستایش استادیار گروه حسابداری دانشگاه شیراز، ایران فرهاد کاشانی پور کارشناس ارشد حسابداری، دانشگاه شیراز، ایران

the aim of this research is the investigation the relationship between the capital structure and institutional ownership mid to the other effective factors on this relation in tehran stock exchange. the others factors include the percentage of stock dividend, profitability, business risk, assets structure, liquidity, growth, and company size. the statistical population of the research is 117 li...

2010
Mei He He Zhang Ye Yang Qing Wang Mingshu Li

A good understanding of the influential factors to software development effort and further precise effort estimate are undoubtedly crucial to any cost-effective and controllable software development projects. In most effort estimation researches, a large dataset is always a necessary basis of estimation modeling, model calibration and method validation. Among them, different attributes and char...

2004
M. Sharafali H. Mahalingam

Logistics is the glue that binds the entities of a supply chain. More and more businesses have now realized that its effectiveness is critical to the superior performance of the supply chain. For instance, the move towards just in time and agile manufacturing has tremendously increased the impact of the logistics decisions. This is especially true for the chemical industry with its globally dis...

Introduction: The most important environmental problem of automotive industries is the produced wastewater due to its various processes. The flocculation and coagulation along with chemical sequestration are among important processes for removing contaminants from wastewaters. The aim of this study is to investigate the efficiency of coagulation and flocculation process along with chemical sequ...

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