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One of the genres of folk literature is non-narrative literature including poems, tales, riddles, parables, and fables. In terms of form and diction, these are classified into songs, odes and lullabies. Folk songs may be considered on the basis of their subject matter, style and composer’s spirits. Iranian songs of this type are characterized with natural hilarity, emotional sincerity and poetic salubrity. The province of Kohgiluyeh and Boyer-Ahmad is located in the southwest of Iran, divided into hot and cold areas. The dialect spoken in this region is Boyerahmadi which is a little different across the province. As one of the closest versions of the Persian language, the dialect is believed to be an offspring of the Middle Persian. A comparison of syntactic and lexical structures of Lori dialect and the standard Persian dialect show that both derive from the Sassanid Middle Persian and further back from the Old Persian. This paper aims at Kohgiluyeh and Boyer-Ahmad folk poems in terms of themes, contents, and aesthetic features. It specifically focuses on Sherveh and its origin in southern Iran as well as amorous songs and lullabies. These issues are discussed through classification and illustration.

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Increasing complexity and turbulence of environment, are requiring quick response and proper reaction of organizations. These conditions have increased the need of organizations to think and act beyond just solving their current issues. In today's competitive and changing environment, being and acting smart are the best guarantee for any business to success. Present study seeks to answer the question of what the processes are and what factors are necessary for smart organization. This paper is based on descriptive- survey methods, and of purpose is fundamental - applicable research. The statistical population is consist of 3531 people from manufacturing firms in a company and 347 of them were chosen as a sample. Data was gathered using a questionnaire and Delphi technique was used. To analyze the data, partial least squares method used by Smart PLS software. Test results showed that all variables had a significant and positive impact on the smart organization, except group work, and the effect of all variable together is significant. Also found out that flexible communications has greatest impact on the smart organization.

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Research subject: Solar cells has gained a great attention as a green, renewable and cheap energy resources. To overcome the challenging technical problems and improve their competitiveness with silicone solar cells, the design, synthesis and development of new materials with engineered band gap energies has found an undeniable importance.
Research approach: Herein, the synthesis of a polymer with donor-acceptor structure based on polyaniline grafted to ZnO nanoparticles at one end and naphthalene moiety at the other end of chains, and investigation of their chemical structure, composition, morphology, optical and electrochemical properties is reported. The chemical structure of the materials were analyzed by FT-IR and ¹H NMR spectroscopy. The organic and inorganic contents of materials were determined by thermal gravimetric analysis (TGA) and atomic absorption spectroscopy (AAS) techniques. The morphology and size of nanoparticles were observed by scanning electron microscopy (SEM). The optical and electrical band gap energy of the samples were measured by ultraviolet visible-diffuse reflectance (UV-Vis-DRS) spectroscopy and cyclic voltammetry (CV) diagrams.
Main results: The chemical structure of designed materials has been successfully confirmed by the results of FT-IR and ¹H NMR spectra. TGA and AAS analysis have indicated that the synthesized final material has contained about 10% of ZnO and 90% of organic parts including toluene-2,4-diisocyanate, 2,4-diaminotoluene, polyaniline and naphthalene groups. An almost highly uniform spherical nanoparticles with sizes about 70 nm has been observed by SEM images. UV-Vis-DRS spectroscopy and CV diagrams have revealed that by grafting ZnO nanoparticles and naphthalene moiety to the polyaniline chain ends, the optical and electrical band gap energy of the sample were lowered to 1.19 and 0.95 eV, respectively. It was concluded that the grafted groups to chain ends has increased the length of conjugated system, lowering the energy level of lowest unoccupied molecular orbital (LUMO) and increasing the energy level of highest occupied molecular orbital (HOMO). Detailed analysis of CV diagrams has indicated that the effect in lowering of LUMO has been a bit more pronounced than the increasing of HOMO energy level.

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This study was aimed to evaluate the effect of Levels of Choline on the growth performance (WG, SGR, FCR, CF, PER and HIS), Carcass Compositions, and Haematological of Caspian salmon. 270 (8.82±0.38 g) were randomly distributed in 18 fiber glass tank with treeplicatefor 10 weeks. Experimental diets were also prepared by adding 0, 250, 500, 750, 1000 and 2000 mg/kg the basal diet (Control, Cho250، Cho500, Cho1000 and Cho2000) to evaluategrowth performance, carcass composition, and some haematological parameters. The final weight, weight gain, specific growth rate index, proteinefficiency ratio, obesity coefficient, and feed conversion ratio of fish fed with diet containing appropriate levels of choline (750-1000 mg/kg^-1) were significantlyhigher than fish fed with other diets. With increasing choline in fish diet, body fatand protein concentrations significantly increased, but carcass moisture decreased. Also, addition of 750-1000 mg/kg^-1choline to diet caused a significant diference in the activity of liver enzymes (ALT, AST, ALP and LDH), compared with control treatment and 2000 mg/kg^-1.The results showed a significant increase in growth parameters and optimal carcasscomposition of Caspian salmon, the most suitable amount of choline is 750-1000 mg/kg^-1in the fish diet (p<0.05).
The results of this study indicated, that dietaryup to 1000 mg/kg^-1 to be negetivecooparation on growth performance, liver enzymesin Caspian salmon, salmo trutta caspius has moderate Choline requirement 750-1000 mg/kg^-1 as fed

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This study was conducted from April 2017 to June 2018 in a Trout aquaculture farm in Firoozkoh, Tehran province, to distinguish environmental and managerial risk factors affecting incidence of viral diseases in the fish farm under study. Averaged visit from fish farm was 2 times a month and all biosecurity measures were advised and applied during every visit. Some of the physico-chemical parameters were recorded daily. Samples from all cargoes of eyed-eggs imported from abroad and also from larvae after active swimming and absorption of yolk sac were taken for RT-PCR test. Virology, bacteriology, parasitology and mycology tests in the farm and authorized laboratory were done. Clinical observations, macroscopic and microscopic examinations, checking all the sanitarian and productional managerial factors, also checking all the physical and chemical factors affecting the outbreak of viral diseases were done. During clinical observation of fishes, these symptoms were observed; anorexia, gathering at the raceway’s side and outlet, cachexia, one and two side exophthalmia, melanosis, integument ulcers, hemorrhage in ventricular and ocular areas, petechia in ventricular area, fecal casts, high mortality and also presence of a large number of moribund fishes. The result of the laboratory examinations was IHN positive of Rainbow trout fries. This disease caused about 80% mortality of the fries produced from the imported eyed-eggs cargo. The other fatalities with different reasons were also recorded such as; the Lutra’s attack at nights, the farm’s personnel running amongst other farms and transferrin pathogens, the transportation vehicles not being proper disinfected while inter to and exit from the farm and the severe food intoxication of fries. Regarding the results of this study, instruction of scientific and practical models has presented to decrease the effect of environmental and managerial risk factors in the incidence of the disease.

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Imbalance between resources and expenditures, inefficient investment management of available, the need for structural reform and the successful experience of a multi-pillar social security system in some countries, have encouraged this system in Iran. Research aims to identify and prioritize the challenges and impeller forces effective in the implementation of this system and evaluate the resources organization and develop and select scenario. The research modeling was carried out using DEMATEL technique and data analysis done with ANP. The research method is descriptive, and based on a survey of experts that includes 45 social security managers in Isfahan province. The results showed that the most effective challenge group is the "Challenges of Insurance and Retirement" and the "Proximity to The Financial Breakeven Point" is a major sub-challenge. Also, two factors of "sustainable financing" and "interaction of related institutions and organizations" were identified as two forces behind the establishment of this system. By placing these two propellers on the Schwartz matrix, the most probable scenario detected as the Honey free hive.

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Aims: The purpose of the research is to identify strategies for green adaptive reuse of the shared-heritage of Iran and Germany which were built during WWI and WWII in Mazandaran, and to identify the role of green adaptive reuse in the sustainable development of local communities. The research is to identify the effective components in green contemporization of Mazandaran industrial heritage buildings, and the impact of each criterion on the sustainable development of local communities.
Methods: The AHP method is adopted to evaluate the opinions of the experts by combination of questionnaire and the Delphi method. By examining the industrial heritage of Mazandaran and comparing its position with similar cases, the effective components of the green contemporization process were prioritized.
Findings: The industrial heritage of Mazandaran including the Babol cotton factory with 26.6%, the GhaemShahr textile factory with 21%, the Naseri-way with 20.6%, the Chalous-Metal-Bridge with 16.8% and Lar-Stone-Bridge with 15.5% will be effective in development of the local communities of Mazandaran by means of development of tourism.
Conclusion: The development of industrial heritage with the priority of sustainable social development leads to the development of local communities. The conclusion emphasizes on the priority of tourism development by creating access security, possibility of sale, public and private arena, optimal use of the ruined area, creating a multi-purpose use and organizing commercial units, as well as cultural development with protection of works, integrated development, holding cultural activities will play an effective role in the development of local communities in Mazandaran.

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Purpose: This study was conducted in order to identify and structure the financial crisis of the social security organization using the SSM method. The results of this research can be used to determine changes in this organization.

Methodology: To identify and structure the problem, CATWOE and soft systems methodology have been combined. Therefore, the current research is applied research with inductive-deductive logic, which is an example of a qualitative mixed method. The data of the research are the opinions of experts, whose number is 28, and they were selected in a purposeful way. Research has been done in two main stages, which are extracting the structure of the problem and identifying solutions.

Findings: In this research, the structure of the financial crisis of the social security organization (rich image) and the factors related to it were determined. In addition, it was found that in order to solve the crisis, reforms should be made in governance and organization measures in three areas: policy, economy and supervision.

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This study aimed to explore Iranian EFL teachers' perceptions of Critical Pedagogy (CP) and their classroom practices. For this purpose, a total of 22 EFL teachers were selected through convenience sampling and participated in an online semi-structured written interview. A sub-group of them also took part in a phone interview. Textual data were analyzed using grounded theory coding types, including open, axial, and selective coding, with MAXQDA software (Version 2020). The findings revealed two broad themes: raising students' critical consciousness and learner-centered pedagogy for CP definition, and communicative tasks and learner-centered activities for CP classroom practices. Additionally, the dominant barriers to the implementation of CP in the Iranian EFL context were identified as the top-down educational system, teachers' variables, and practical barriers.

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Anti-lock braking system (ABS) prevents the wheels from being locked in hard braking conditions and reduces the vehicle stopping distance to the minimum value by regulating the tire longitudinal slip at its optimum value. This paper presents a two-layer controller for ABS of trucks which is adaptable with different road conditions. In the upper layer, a fuzzy controller is designed to calculate the optimum longitudinal slip of each wheel for which the maximum braking force is achieved in different conditions. In the lower layer, a nonlinear controller is analytically designed based on the predictive method to track the optimum wheel slips calculated from the upper layer. In order to increase the robustness of the controller in the presence of system uncertainties, the integral feedback technique is also appended to the predictive method. All simulation studies are conducted using the professional software of Truck Sim to evaluate the performance of the controlled system in a real condition. The results show the effectiveness of the proposed control system in improving the braking performance of trucks in different road conditions.

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One way to control the position of the missile is controling thrust vector that is moves with help of thrust due to exit of gas. All thrust vector control (TVC) methods are independent of aerodynamic forces of atmosphere and until the engine has thrust, maintain their performance. Secondary injection systems are one of the four major TVC methods. In this study,at first identify the components and design entire conceptualdesigning of system and the preliminary design of manifold of a type of thrust vector control system using a liquid injection thrust vector control (LITVC)has been proceed. Then the layouts of components on some components such as injectors and reservoirs, as well as detailed design of the system are discussed. Then the numerical simulation of flow and the designing and studying the sprayers in LITVC systems will be discussed. Also numerical designing and simulation in two parts: injection system and the injector spray effects into the main flow are analyzed and the results are presented and validated. The achievement of this study can be used as a model for designing and analyzing of various kinds of TVC systems with lateral fluid method on a variety of missiles with different launchers.

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Nowadays, Hybrid Electric Vehicles (HEVs) are introduced in order to reduce fuel consumption and emissions. The issue that is very important in HEVs, is how to split power between main components of powertrain. Best energy management can be obtained when all future conditions are available. With the advancement of the intelligent systems, access to the road conditions, traffic and other online information has been provided up to the limited prediction horizon. In this paper, a combination of predictive control and Dynamic Programming methods have been used for obtaining online sub-optimal trajectory. Change in the state of traffic in the path has great effect on reduction of fuel consumption. Therefore, According to the state of traffic, a fuzzy logic system is proposed for the online estimating of the vehicle speed. Unlike many energy management methods that use historical data, the proposed strategy leads to reducing the dependence of the controller on the drive cycle. The simulation is implemented on a Plug-in Hybrid Electric Vehicle with parallel structure. The proposed method is compared with Dynamic Programming and instantaneous optimization. Evaluation of results shows that the proposed method, while simplicity and avoiding complicated mathematical relationships, in addition to fuel consumption reduction compared with instantaneous optimization, can manage SOC, properly. The results of this method are close to the global optimal solution of Dynamic Programming.

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In the present study, the use of the ultrasonic apparatus has been investigated in the extraction process of Hypericum perforatum L. flowers. The effect of methanol to water ratio (24.77, 35, 50, 65, and 75.22 percent), time (1.59, 5, 10, 15, and 18.40 minutes), and temperature (24.77, 35, 50, 65, and 75.22 °C) on the extraction of phenolic compounds, flavonoids and antioxidant activity of the extract using two methods of 2,2-diphenyl-1-picrylhydrazyl (DPPH%) and (FRAP) Ferric Reducing antioxidant power (FRAP) were studied using the response surface method and central composite design. The results of RSM showed that the highest extraction efficiency was obtained at 50% methanol/water ratio, 70 °C, and 15 min. Under optimal conditions, the corresponding values for total phenol content, total flavonoid content, and antioxidant assays of %DPPH and FRAP were 28.46 (mg gallic acid equivalent (GAE) g^-1 dry weight (DW)), 19.75 (mg quercetin g−1 DW), 89.23 (%DPPH), and 3.57 FRAP µmol Fe++ /g DW respectively. In addition, results express the effectiveness of the proposed conditions and reliability of central composite design analysis on the extraction of phenolic antioxidants from H. perforatum flowers. Using ultrasonic is a low-cost, simple, and efficient method for the extraction of phenolic antioxidants, which increases the extraction efficiency and thermal protection of phenolic antioxidants.
 

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This paper investigates the key factors affecting the foreign direct investment (FDI) inflow to deve­­loping countries during the period (1995-2010) with emphasis on the financial development. Financial development, as an important factor in FDI absorption and a prerequisite for utilizing the benefits of FDI, not only increases the FDI inflow in developing countries, but also improve the absorption capacity and ability of these countries to utilize the benefits of FDI. Since the financial system consists of several components and provides a variety of services, various indicators, which represent the development of different aspects and components of financial system, have been applied in order to assess the impact of financial development on the FDI. Results indicate that development of various components of financial system (stock market and banking sector) as well as different aspects of financial development (size and activity level of financial system) all have positive and significant impact on the FDI inflow in developing countries during the studied period.
 
 

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Background and Aim:  According to the widespread epidemic of the COVID-19 around the world and the irreparable damage in all aspects of human life, surveying coping methods with this epidemic is one of the research priorities of societies. The aim of this study was to find the factors that predict the severity of the disease and the resulting death.
Methods: This descriptive-analytical study was performed on patients with COVID19 admitted to Bu-Ali Sina hospital in Qazvin in March 2020. Epidemiological, clinical, laboratory, and radiological characteristics of patients was collected. Data were analyzed by independent t-test and Mann-Whitney U test (for normally and non-normally distributed quantitative variables, respectively) and chi-squared (for qualitative variables) on SPSS version 22. P<0.05 was considered significant.
Results: The study population included 119 admitted COVID-19 patients. 94 patients recovered and 25 patients died. The deceased patients were significantly older than recovered patients (P=0.0007).  The frequency of smoking in our study was 5.4% of patients. The deceased patients had higher lymphopenia (P=0.015), neutrophil number (P=0.009), blood urea nitrogen (P=0.012) and creatinine (P=0.032) were significantly higher and blood oxygen saturation (P=0.001) was significantly lower in deceased patients than those who recovered.
Conclusion: Percentages of smokers in hospitalized patients with COVID-19 disease was significantly lower than general population. If COVID-19 patients are in the high-risk group, including older people having sever hypoxia, lymphopenia, neutrophilia, impaired renal function and sever lung involvement in CT scan should be examined with extra care due to the increased chance of death in these patients.