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The dry bubble disease, caused by Lecanicillium fungicola, is an important fungal disease of white button mushroom in Iranian mushroom production farms. Twenty-three isolates of the pathogen collected in Iran and identified as L. fungicola var. fungicola, were compared for genetic polymorphism, diversity in growth rate and virulence. Ten Universal Rice Primers (URP) were used to evaluate the genetic diversity of L. fungicola var. fungicola. URP analysis showed that the genetic diversity of Iranian isolates was low (average 10 % over the 10 primers used) and that they were almost clonal. Relative correlations between geographical origins of isolates and molecular grouping were observed but there was no correlation between mycelial growth rate, virulence assays and URP patterns. Significant differences were observed between isolates based on mycelial growth rate and virulence assays. The high level of genetic homogeneity is attributed to the effect of fungicides used for control of the mushroom diseases which might have imposed a significant selection pressure on the fungal populations.  

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Aim: Level of physical activity as key determinant of healthy lifestyle is less than what is required in individuals particularly women. Applying theories of behavioral change about complex behaviors such as physical activity leads to identify effective factors and their relations. The aim of this study was to determine predictors of exercise behavior based on developed Theory of Planned Behavior with planning constructs in military personnel’s wives. Methods: We performed this cross-sectional study on 150 military personnel’s spouses residing in organizational houses, in Tehran, Iran in 2013. The participants were randomly selected with multi-stage cluster sampling. The validity and reliability of developed scale were evaluated before conducting the path analysis. Data were analyzed using SPSS.16 and LISREL8.8. Finding: The developed model predicted 48, 11, 12 and 35 percent of the variance in intention, action planning, coping planning and behavior, respectively. Subjective norms (Beta=0.35, p<0.01) and perceived behavioral control (Beta=0.28, p<0.01) were the predictors of intention. Determinants of behavior included action planning (Beta=0.40, p<0.01), coping planning (Beta=0.39, p<0.01), intention (Beta=0.23, p<0.01) and subjective norms (Beta=0.08, p<0.01). Instrumental and affective attitude had no significant path coefficient to dependent variables. The path of perceived behavioral control to behavior was non-significant. The developed theory fitted to data better than the original theory. Conclusion: This research demonstrated relative weights and relationships of Theory of Planned Behavior constructs with action and coping planning in physical activity behavior of military staffs' spouses. It is essential to consider these effective factors in designing of health education programs.

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Medicinal plant powders have traditionally been used as grain protectants against stored-product insect pests. In this study, insecticidal activity of Carum copticum L. and Cuminum cyminum L. powders was assessed on adults of Sitophilus granarius L. and Tribolium confusum Jacquelin du Val. Experiments were carried out on wheat at 27 ± 1 ºCand 55 ± 5% r. h. The mortality increased with increasing concentration level and time exposed to each concentration. For S. granarius, 7 days and in case of T. confusum 14 days exposure time was sufficient to obtain considerable mortality. For example, 3500 mg/kg of C. copticum 7 days after treatment caused 80% mortality in S. granarius; while for T. confusum 29% mortality was achieved and increased to 100% after 14 days. Therefore, it can be concluded that adults of S. granarius were more susceptible than T. confusum to plant powders. Also, according to the findings, C. cyminum powder had more insecticidal efficacy than C. copticum on both insects’ species. For S. granarius, 950 and 2700 mg/kg powders of C. cyminum and C. copticum was enough to cause ca. 50% mortality after 5 days, respectively. In case for T. confusum, 3200 and 4400 mg/kg of the plant powders caused the same mortality after 7 days. Findings of the present study show that the plant powders could be applied for grain protection in small-scale storage facilities.  

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Atropine and scopolamine are two important tropane alkaloids, widely use as anticholinergic drugs. Such as most solanaceae plants, Atropa belladonna produces these two tropane alkaloids. Carbohydrates are not only act as carbon sources for solanaceus plants in vitro cultures, but also have some effects as signal molecules on tropane alkaloids metabolism. Effect of sorbitol, mannitol and sucrose on growth, chlorophyll, hyoscyamine and scopolamine contents, and hyoscyamine 6- beta hydroxylase (H6H) gene expression, investigated. These treatments decreased the growth of plantlets but increased chlorophyll, hyoscyamine and scopolamine contents. The treatments increase h6h gene expression in different organs of Atropa belladonna plantlets. There was an agreement between h6h expression pattern and scopolamine contents.

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A study was carried out to determine whether naturally-occurring weeds and other cultivated plants in tomato growing regions could act as symptomless reservoirs of infection to Fusarium oxysporum f. sp. lycopersici. A numher of F. oxysporum isolates from weeds and oubergines were used in this investigation. A susceptible tomato cultivar was used for comparison. The plants were artificially inoculated at the five to six leaf stage by root dip method. Only tomato showed wilt symptoms and died three weeks after inoculation. These isolates were identified as F. o. f. sp. lycopersici. Weeds including Amaranthus retroflexus, Amaranthus. sp., Chenopodium album, and aubergines were colonized to various degrees and determined as symptomless carriers. Therefore, in infested areas, aubergines should not be rotated consecutively with tomatoes and proper measures should be adopted to control the weeds.

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Aims: Nowadays, one of the most frequent problems that international students face is homesickness. The purpose of this study was investigation of homesickness and coping strategies among the University Technology Malaysia) UTM (international students and finding new research topics for future educational planning research. Methods: This descriptive study was done in August 2010 among the students studying in University Technology Malaysia (UTM). The respondents were international students from different courses in UTM. Fifty questionnaires were randomly distributed among the students at various faculties and residential colleges of the university. The questionnaire included 11 questions, which was developed by the researcher through literature review. Findings: Totally, 50 international students including 24 (48%) female and 26 (52%) male students took part in the study. There were different reported causes of homesickness by the respondents that were classified into four aspects: "social", "psychological", "physical" and "academic”. The findings showed the most important reason for homesickness has been cultural differences between the countries. Accordingly, 75% of the respondents (n=38) reported social customs as the first reason for international students' homesickness. Conclusion: The research results indicated that missing family was the most important factor that influenced international students to feel homesick. According to this study, the best and effective way to manage homesickness was to call family and friend(s).

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The environmental scanning electron microscopy (ESEM) is a new development in the field of electron microscopy. In this study ESEM has been used to study the structure of veal semimembranosus muscle. Four treatments, raw (control), conventional heating, domestic and industrial microwave heating, were observed using ESEM. The temperature used in conventional heating was 163 0C. Frequency applied for microwave heating was 2450 MHz with two wattage levels of 700 (domestic microwave) and 12000 (industrial microwave). All samples were heated to 70 0C internal temperature. Occasional cracks across the individual muscle fiber and shrinkage were present in all images of the structure for heated muscle. Erosion at the edges of muscle fibers was clear and increased with continued heating. A gap between perimysium of each muscle bundle was effected with the domestic microwave samples in cross section. This phenomenon was more apparent in industrial microwave heating and the depth of gap between perimysial collagenous fiber is more than that in domestic microwave heating. More damage was observed in the connective tissue network for conventional heating as compared with microwave heating. Denaturation and distortion of connective tissue caused more damage during longer time of conventional heating. Surface damage in structure of semimembranosus was not observed in either conventional heating or the low powered microwave heating. Rapid increase of heat and penetration of the microwaves, at the 12000 wattage level, caused granulation and separation of some parts of the muscle fibers.

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We investigated the response of Sea Buckthorn to drought in a nursery experiment that has been studied for the first time in the world for Iranian Sea Buckthorn. Biomass and physiological differences in response to drought were compared between four Elaeagnus rhamnoides seedlings inhabited in Qazvin Province origin seeds of Iran. The experimental design included four water regimes including 2, 4, 8 and 12 days irrigation and three blocks. Water Use Efficiency (WUE), Relative Water Content (RWC), Water Potential (WP), Water Saturation Deficit (WSD), Root and shoot weight of fresh leaves were determined at the end of the watering treatment (four months). We found that drought tolerance was highly related to the plant physiology in E. rhamnoides. With the extension of drought stress from 2 to 12 days, E. rhamnoides seedlings WUE was increased; between one and second treatment, also between third and fourth treatments we observed significant difference. RWC gradually was declined with decreasing water supplies. WP was decreased, while drought was increased from first to last treatment. WSD gradually was increased by accelerating drought in all treatments. WSD values did not differ significantly between treatments three and four. Significant differences at 0.05 levels were not observed between 8 and 12 days-irrigated in both of R and S weight, but in all treatments was decreased toward drought. Our results provided new clue and new insight to study the drought-tolerant mechanism for the study species.

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Molecular imprinting is a novel technique for preparing specific absorbents with selective sites for binding to the target molecule. Molecularly imprinted polymers, because of their high selectivity and stability, low cost and easy methods of preparation, have been widely employed in separation procedures. In this study, we evaluated the synthesized electrospun imprinted membrane (MIM) as a specific sorbent for herbicide mecoprop (MCPP). The films were prepared using methacrylic acid (MAA) as functional monomer and polyethylene terephthalate (PET) as a main part of polymeric solution and in the presence of dichloromethane (DCM) and Trifluoroacetic acid (TFA) as the solvents. The template was extracted through washing, results in the free specific memory sites within the films. Then, the synthesized electrospun imprinted membrane (MIM) was evaluated as a specific sorbent for herbicide mecoprop (MCPP). The results showed that the solution with 20% w/v of PET was the optimal solution for electrospinning process and at all different MCPP/MAA molar ratios (1:2, 1:4. 1:6 and 1:8), MIM had higher removal ability for template molecule (p<0.05) compared to NIM. The template/monomer ratio of 1:4 had the best binding amount. We also investigated the capability of MIM to be used as sorbent for pesticide 2,4-D, that is, the analogue of the main template molecule and diazinon, that is, the pesticide with different structure to the template. In addition, we used synthesized MIM and NIM films to extract MCPP analyte from environmental aqueous samples (bottled water and groundwater) and the results indicated successful performance of MIM compared to NIN.

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Is Meinongian dicopulation justified? This is the main problem in this paper and our hypothesis is that Meinongian dicopulaism is counterintuitive. This is despite the rich list of syntactic and semantic features that Meinongian advocates of the double copula strategy attribute to the Meinongian (internal/encoding) mode of predication in contrast with the ordinary mode of predication. That is what we demonstrate in this paper. We argue that neither of the requirement that Meinongian formulas (i.e. those containing the Meinongian mode of predication) must be monadic; nor that they resist lambda abstraction; nor that logical closure governs them; nor that they can be incomplete (or inconsistent) and nor that they are no way contingent, may succeed in discriminating Meinongian from ordinary predications. Nonetheless, dicopulaistic semantics support our intuitive understanding of abstract objects as sets of properties only whence they embrace the counterintuitive conception of multiple denotations; of either copulas or (abstract) objects. Meinongian dicopulaism does not work.
 

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Archaeology with the help of other sciences in this era has been applied to solve the ancient environment and settlement of ancient sites. On the other hand, the high expenditure of interdisciplinary research for solving the environmental archaeology research takes less attention in the field of archaeological science. Meanwhile, chemical analysis, which gives information about the depth of soil in archaeological sites, needs suitable laboratory methods that, can provide much helpfal data to recognize the archaeological layers. These data also helped us to find the exact place of archaeological settlement in the Shusthar plain. Archaeological dating showed that the Shushtar plain was occupied in last phase of Holocene seven thousands before by the seasonally migrating people. In this article, the use of XRF chemical spectroscopy with AMS dating guided us to construct the ancient environment and environment development in the Shushtar plain in the Holocene period?

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The morphological structure of many of the words inthe Arabic language generally and in the Quran in particular, is involved in thedevelopment of lexical meaning in Quran. we can examine this issue in the following cases: Implying a morphological weight on the multiple morphological structure with the same root, polysemy of morphological structures or implication of a morphological weight of on the semantic scope in type and number, indication of a weight over a range of semantic meanings, in the conditions of multi-syntactic cases, which lead to the development of semantic morphological structure from a root. But if we are to  translate this semantic scope from Arabic to Persian, we’ll face challenges that these challenges stemsfrom eloquence and linguistic features of any language, especially Persian, and this article relying on analytical method tries to express these challenges while translating into Persian. The results of this research point out the characteristics of the sourcelanguage (Arabic) and the target language (Farsi), in other words, linguistic features and interpretation facilities in all languages ​​do not enjoy the same level, rather the features and facilities in Arabic and Persian look quitedifferent.

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Pollen grains of five olive cultivars (Olea europaea L .) were examined, using Scanning Electron Microscopy (SEM) for identification purposes. Four measurments, polar axis (P), equatorial diameter (E), P/E ratio and exine patterns were made. Forty pollen grains of each cultivar were viewed before finally selecting a representative pollen grain. Polar diameter ranged between 22.76 μm for the ‘Mary’ and 28.58 μm for the ‘Shengeh’ ‘Zard’ and ‘Roghani’ cultivars exhibited incomplete closure of the meshes. ‘Zard’ and ‘Shengeh’ cultivars had thick muri but ‘Roghani’, ‘Mary’ and ‘Fishomi’ possessed thinner muri. Scanning electron analysis of pollen grain revealed that specific differences including variation in size and form of the meshes are exist among cultivars. The differences in the exine pattern may help for the identification of some cultivars.

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In order to develop the scope of application of polymer materials in the preparation of drilling fluids, in this study, various blends of wheat starch and copolymer of sulfonated polyacrylamide were prepared and the rheology and compatibility behavior of samples under different salinity and aging conditions were evaluated. The rheological behavior of starch-polyacrylamide blends in tap water and saturated brine water showed that the viscosity of the samples increased with increasing concentration of polyacrylamide copolymer in the both media. However, starch-polyacrylamide blends in saturated brine had less viscosity than tap water. It was observed that in both tap water and salt water saturated conditions after 4 hours of aging at 90 ° C, the viscosity of most samples increased. Comparison of the curves for empirical viscosity data and prediction of the mixing rule showed that in both of tap water and salt saturated water, positive deviation from the mixing rule is observed, which indicates the compatibility between the blend components. By performing the aging process, although positive deviation was still observed, this positive deviation slightly decreased, which means the negative effect of aging on the compatibility of the starch- copolymer of sulfonated polyacrylamide blend.
In conclusion, the results of this study showed that the blend of starch- sulfonated polyacrylamide copolymer is compatible at high temperature (90 °C) and saturated NaCl salt wate. Moreover, in some samples, this compatibility exists even after aging.
 

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The combined effect of different levels of dietary n-3 HUFAs [eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA)] with α-Tocopherol on growth parameters (final weight, SGR, FCR, and some health indices (hematocrit, plasma lipid and lipoprotein levels) of the Caspian trout fry, Salmotruttacaspius, was investigated. Six experimental diets containing three different dietary levels of n-3 HUFAs (Low: 1 + 0.5, DHA+ EPA, Medium: 2 + 1, DHA + EPA, High: 4 + 2, DHA + EPA g/100g diet) with two different levels of α-Tocopherol (Low: 300 and High: 1000 mg/kg diet) were prepared and named: LL, LH, ML, MH, HL, HH (HUFA/α-Tocopherol) groups, respectively. Fries (600 ± 25 mg) were randomly distributed in tanks (50 fries per tank) and were fed with the experimental diets for 10 weeks. The work was conducted in triplicates. Results showed that the SGR and body weight were significantly higher in the MH group than other groups. Hematological parameters, especially plasma lipids and lipoproteins were more influenced by the dietary n-3 HUFA and vitamin E and interaction between vitamin E and n-3 HUFA has minimal effect on these parameters. Results of this study suggested that increasing of dietary n-3 HUFA could improved growth performance and enhance health in the Caspian trout fry when appropriate level of α- Tocopherol supplemented.

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Research subject: The use of scrap tires to recover energy and their compounds is an effective way to protect the environment and recover energy and materials.
Research approach: In this research, the aim is to investigate the process of tire pyrolysis as well as the simultaneous pyrolysis (co-pyrolysis) process of tire and fuel oil. Here, the effect of different operating conditions such as temperature, volumetric nitrogen gas, heating rate and tire parts size on the physical quantities and physical properties of the products manufactured by these processes have been investigated.
Main results: The optimal operating conditions for these experiments are 420C, the volumetric gas flow rate is 100 ml / min and the heating rate is           3 C / min. The volume of the reactor used is 500 ml and the amount of mazut in the coprolysis process is 30 wt%. The highest amount of liquid produced in the process of pyrolysis of used tire was achieved using feed with a particle size of 4×2×0.5cm³, which is 43.3% by weight. In contrast, the largest liquid product produced in the simultaneous pyrolysis process of the tire and mazut was obtained using tire parts with a size of 4×4×0.5cm³, which is 52.3% by weight. In this study, the physical properties of liquid products produced by two processes of pyrolysis of tire and co-pyrolysis of tire and mazut, such as kinematic viscosity, density and refractive index, have been investigated.

 

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Anthocoris nemoralis (F.) (Hemiptera: Anthocoridae) is one of the most prominent predators of the pear psylla, Cacopsylla pyricola (Forster) (Hemiptera: Psyllidae) and is considered as a biological control agent against this pest. In order to investigate the effects of plant varieties on predation of C. pyricola by A. nemoralis, the functional response of both the sexes of A. nemoralis to pear psylla nymphs was studied on three pear varieties including ‘Shahmiveh’, as a susceptible host plant and ‘Sebri’ and ‘Coscia’, as partially-resistant host plants. Different densities of C. pyricola nymphs were offered to single A. nemoralis and predation proceeded for 24 h. The experiments were carried out under constant environmental conditions (27 ± 1 °C, 70 ± 5% RH and L: D 16: 8 h). Logistic regression and nonlinear least-squares regression were used to determine the type of functional response and to estimate attack rate (a) and handling time (T_h), respectively. The results showed a type II functional response on all varieties. The asymptotic 95% confidence intervals, estimated by the model with indicator variable revealed that there was no significant difference between either the attack rates or between handling times of same sex of the predator on the tested varieties. However, when sexes were compared, the females of A. nemoralis had a shorter handling time and higher searching efficiency than the males on all varieties. The maximum predicted daily prey consumption by a female predator (T/T_h) was the highest on the susceptible variety. Based on the type of functional response and its parameter values, the effectiveness of A. nemoralis was not affected by plant resistance; these findings may be promising for the integration of the partially-resistant varieties and A. nemoralis in sustainable pest management programs against the pear psylla. The implications of the results for biological control of pear psylla are discussed in a tritrophic context.  

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In this study, Trichoderma harzianum BI was evaluated for its capability to reduce the incidence and severity of the root-knot nematode, Meloidogyne javanica, and Fusarium wilt, F. oxysporum f. sp. lycopersici, as causal agents of a complex disease of tomato in the laboratory and greenhouse conditions. Initial in vitro studies revealed that the parasitism of M. javanica eggs by T. harzianum BI was up to 49.6%. In dual culture tests, maximum growth inhibition of F. oxysporum f. sp. lycopersiciby T. harzianum BI (55%) was observed on the fifth day in laboratory. In greenhouse studies, the efficiency of treatments was appraised by using nematode-related factors such as diameter of galls, number of galls per plant, number of egg masses per plant and also incidence of Fusarium wilt. The antagonistic fungus was further tested for its ability to induce production of defense related enzymes in tomato. The activity of phenylalanine ammonia lyase (PAL) was increasedsignificantly in the seedlings treated with the antagonistic fungus in comparison with control and its maximum amount was reached on the fourth day after inoculation with T. harzianum BI. Thus, the present study shows that in addition to direct antagonism, induction of defense-related enzymes, by T. harzianum BI that are involved in PAL pathway contributed to enhanced resistance against invasion of

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Research Subject: The conversion of anthropogenous CO₂ gas into value-add chemicals known as solar fuel technology attracted much consideration from the beginning of the 21st century owing to the potential of this technology in solving the climate change and energy shortage issues.
Research Approach: In the current study, Bismuth and copper modified TiO₂ were prepared using sol-gel and wet impregnation method in order to investigate as a catalyst for photocatalytic conversion of carbon dioxide into renewable methane.  
Main Results: The results of X-ray diffraction analysis, Field emission scanning microscope images and Transmission electron microscope images demonstrated that titanium dioxide nanoparticles with 20 nm in size were synthesized that after the addition of bismuth, the size of particles became smaller. Also, using energy dispersive x-ray analysis and elemental mapping technique, it was determined that the bismuth and copper were uniformly inserted in the prepared nanoparticles. Diffuse reflectance spectroscopy showed that the bandgap became smaller in bismuth and copper-containing samples, which resulted in visible light absorption. In addition, photoluminescence spectroscopy showed an impressive decrease in the rate of electron-hole separation in the prepared nanocomposite. The result of CO₂ photoreduction experiments revealed that the incorporation of 3 wt% Bismuth and 1.5 wt% copper into the structure of TiO₂ would increase the amount of methane production to 7.6 times greater than bare TiO₂. This superior activity for methane generation could be related to the ability of bismuth compounds in adsorption and activation of carbon dioxide molecules and also the efficient separation of charge carriers given by copper. Additionally, the smaller particle size and increase in the surface area had also a positive effect on the CO₂ reduction enhancement.