Original Research Article
Review of Theories of Contractual Liability and Coercive Guarantee
Review of Theories of Contractual Liability and Coercive Guarantee

Hormooz Asadi Kohbad; Hasan Bahramipor Naghani

Volume 1, Issue 4 , August 2021, Pages 206-214

https://doi.org/10.22034/jstr.2021.287446.1031

Abstract
  Damage does not follow a person's fault enough to establish a causal relationship, but it must be proven that the fault is the actual cause and cause of the damage and without it the ...  Read More
Original Research Article
Documents Forcing a Guarantee
Documents Forcing a Guarantee

Hormooz Asadi Kohbad; Hasan Bahramipor Naghani

Volume 1, Issue 4 , August 2021, Pages 215-221

https://doi.org/10.22034/jstr.2021.287444.1030

Abstract
  One of the most important rules of jurisprudence that causes coercive guarantee is the rule of Ali al-Aid, which is known by famous jurists, both Shiites and Sunnis, as narrated from ...  Read More
Original Research Article
Risk Allocation in Design Contracts, Supply of Goods and Drilling of Exploratory Wells and How to Manage Them
Risk Allocation in Design Contracts, Supply of Goods and Drilling of Exploratory Wells and How to Manage Them

Peyman Vaziri

Volume 1, Issue 4 , August 2021, Pages 222-228

https://doi.org/10.22034/jstr.2021.287601.1034

Abstract
  Design, supply and drilling (EPD) contracts, referred to in the downstream industry as turnkey contracts, are new contracts in the drilling industry that can be attractive to both employer ...  Read More
Original Research Article
The Role of Intellectual Property Rights in Business Promotion
The Role of Intellectual Property Rights in Business Promotion

Ahmad Keshavarzi

Volume 1, Issue 4 , August 2021, Pages 229-233

https://doi.org/10.22034/jstr.2021.288185.1035

Abstract
  One of the infrastructures that can guarantee the economic and technological success of researchers and knowledge-based companies in the age of knowledge is the attention to intellectual ...  Read More
Original Research Article
Evaluation of Corona Charge Positive and Negative Impulses on Polymeric Surfaces and Simulation of Impact Rate
Evaluation of Corona Charge Positive and Negative Impulses on Polymeric Surfaces and Simulation of Impact Rate

Ebadollah Amouzad Mahdiraji

Volume 1, Issue 4 , August 2021, Pages 234-241

https://doi.org/10.22034/jstr.2021.289237.1038

Abstract
  Corona electric discharge phenomenon occurs when the electric field intensity exceeds the corona threshold. In the analysis of this paper, three types of hypotheses of partial charge ...  Read More
Original Research Article
Laboratory experiment of the extraction of active pharmaceutical ingredients of Oliveria decumbens plant by supercritical method using the ultrasound process
Laboratory experiment of the extraction of active pharmaceutical ingredients of Oliveria decumbens plant by supercritical method using the ultrasound process

Nabil Vaeli

Volume 1, Issue 4 , August 2021, Pages 242-251

https://doi.org/10.22034/jstr.2021.289216.1036

Abstract
  In this research, the Oliveria decumbens native and medicinal plant has been used. The extract of this plant contains anti-inflammatory compounds, very strong antioxidants, Allergic ...  Read More
Short Communication
The Effects of Physical Exercise on the Immune System
The Effects of Physical Exercise on the Immune System

Sareh Sangy; Seyedeh Faezeh Miryousefiata

Volume 1, Issue 4 , August 2021, Pages 252-257

https://doi.org/10.22034/jstr.2021.289261.1040

Abstract
  Background and Aim: Physical activity and abnormal environments cause changes in the functioning of the immune system. The aim of this study was to compare the effect of exercise in ...  Read More
Original Research Article
Evaluation of Excellence of Ilam Telecommunication Organization Based on EFQM Model
Evaluation of Excellence of Ilam Telecommunication Organization Based on EFQM Model

Mohammad Ranjbarian

Volume 1, Issue 4 , August 2021, Pages 258-270

https://doi.org/10.22034/jstr.2021.289317.1042

Abstract
  The purpose of this study is to evaluate the excellence of Ilam Telecommunication Organization based on EFQM. The statistical population of this research is all the personnel of Ilam ...  Read More