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Speech emotion can add more information to speech in comparison to available textual information. However, it will also lead to some problems in speech recognition process. In a previous study, we depicted the substantial changes of speech parameters caused by speech emotion. Therefore, in order to improve emotional speech recognition rate, in a first step, the effects of emotion on speech parameters should be evaluated and in the next steps, emotional speech recognition accuracy be improved through application of suitable parameters. The changes in speech parameters, i.e. formant frequencies and pitch frequency, due to anger and grief were evaluated for Farsi language in our former research. In this research, using those results, we try to improve emotional speech recognition accuracy using baseline models. We show that adding parameters such as formant and pitch frequencies to the speech feature vector can improve recognition accuracy. The amount of improvement depends on parameter type, number of mixture components and the emotional condition. Proper identification of emotional condition can also help in improving speech recognition accuracy. To recognize emotional condition of speech, formant and pitch frequencies were used successfully in two different approaches, namley decision tree and GMM.

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Objective: DNA markers are one of the most important indicators for estimating Molecular weight of DNA samples, although it used in widespread medical and research laboratories. These markers are very divers and have been prepared in different manners and from different sources of DNA. But unfortunately, DNA markers haven't been made in our country and all of the markers that we use are made in a foreign country. The aim of this research is settings a suitable technology to produce this product in the lab. Material and Methods: With this aim, we used two different strains of lambda: c1857sam7 and EMBL3A both of which are lytic phages as a DNA source. These were grown in the suitable host, after plaque appearance on the bacterial lawn, suitable titer for phage collecting was determined. We also optimized plasmid purification method for extraction of pBR322, pUC18 and recombinant VZV plasmid DNA and designed fragments in the markers have been constructed by digesting these DNAs with variant enzymes. Results: In this study, we made seven DNA markers out of which four of them were made for the first time in the world (/Hind III/BamH1, /Hind III/EcoR1, Sam2, Sam1) and although foreign models of three of them exist but they were made in our country for the first time (/Pst I, /Hind III, pBR332/MspI). Conclusion: The other goal of this study was to determining the best conditions for maintaining and preserving these markers in the lab which was successfully performed.

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The aim of this study was to evaluate the effects of adding cottonseed meal along with the yeast Saccharomyces cerevisiae strain PTCC5052—either iron-enriched or non-enriched—on the economic justification of production, biochemical blood characteristics, microbial flora, and histopathological status of the intestine in juvenile rainbow trout. Fish were distributed in four treatments with four replications. One control diet without cottonseed meal, one diet containing 15% cottonseed meal, and two diets containing 15% cottonseed meal + 1 × 10⁸ cfu/g of yeast or iron-enriched yeast were provided to the fish for 8 weeks. The results indicated no significant differences in fish production efficiency, plasma biochemical indices, and histopathological status of the intestine among the treatments. The cost of feed per unit of fish production in the treatments containing cottonseed meal significantly decreased compared to the control treatment, with the lowest cost was observed in the treatment without yeast. No significant differences in microbial abundance were observed between the control treatment and the cottonseed meal treatment; however, the addition of yeast or iron-enriched yeast to the diet resulted in an increased density of the genus Saccharomyces, a reduction in the density of the genera Aeromonas and Vibrio, and a decrease in the density of Yersinia ruckeri in the fish intestine. The results of this study indicate that adding 15% cottonseed meal to the diet of rainbow trout can enhance the economic justification for fish production, and the addition of yeast to this diet improves the microbial flora in the fish's intestine
 

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Systems of recognition and location identification of underwater moving bodies which using acoustic waves are called sonar. Electroacoustic transducers have an important role in underwater communication systems such as Sonar. A set of electroacoustic transducers which is called sonar array, can be used for sending and receiving underwater sound. The most widely used transducer in these arrays are Tonpilz transducer. In this paper, a full simulation of Tonpilz transducer is given and the most important factors for evaluating transducer performance are checked experimentally and numerically. Also for validation of finite element model, the sample of transducer was designed and made. This transducer was tested in two methods, electrically and acoustically. Electrical behavior was tested by Impedance gain analyzer devise. Acoustic test was carried in the acoustic pool. Then the result of FEM compared with experimental results. With comparing FEM results and tested model, it is observed that the finite element model can predict electrical and acoustical behavior of Tonpilz transducer so well. Finally it is tried to improve frequency response of transducer with making changes in the structure. While the addition of damping factors can increase frequency bandwidth.

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Supervisor reduction procedure can be used to construct the reduced supervisor with a reduced number of states in discrete-event systems. However, it was proved that the reduced supervisor is control equivalent to the original supervisor with respect to the plant; it has not been guaranteed that the reduced supervisor and the original one are control equivalent under partial observation. In this paper, we extend the supervisor reduction procedure by considering partial observation; namely not all events are observable. A feasible supervisor which is constructed under partial observation becomes reduced based on control consistency of uncertainty sets of states, instead of the original supervisor. In order to construct a partial observation reduced supervisor, a partial observation control cover is constructed based on control consistency of uncertainty sets in the supervisor. Four basic functions are defined in order to capture the control and marking information on the uncertainty sets. In the resulting reduced supervisor, only observable events can cause state changes. The results are illustrated by some examples.

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For more than a century, the causal relationship between government size and economic growth has been a challenging issue in the public sector economics. However, there is no theoretical or empirical consensus among economists on this issue. Accordingly, it seems that the best way to resolve these theoretical and empirical contradictions is experimentally investigation the causal relationship between government size and economic growth in each country. Therefore, this paper investigates the causal relationship between government size and economic growth using the Markov-Switching Granger Causality Approach in Iran over the period 1967-2017. The findings confirmed the existence of a non-linear causal relationship between government size and economic growth and showed that government size had a significant negative effect on economic growth in the form of a two-regime structure (regime Zero: 1966-2002 and regime one:1983-1987), although this negative effect was greater in regime one than in regime zero. This larger negative effect can be rooted in the fact that the share of current expenditure in total government expenditure was significantly larger in the years related to regime one (compared to regime zero). Finally, contrary to Wagner's law, Findings did not confirm the positive and significant effect of economic growth on government size in Iranian economy.