نتایج جستجو برای: tree were determined
تعداد نتایج: 3803094 فیلتر نتایج به سال:
The aim of this study was to evaluate the effect of walnut tree root (Juglandaceae) on Escherichia coli is resistant to various antibiotics. Walnut tree root extract was obtained using a rotary device. 20 cases of E. coli was obtained from urinary tract infections Zabul hospital and MIC and MBC were determined using dilution in the wells. The results of the study showed that the concentrations ...
ABSTRACT- To study the effect of tree roots on increasing water infiltration in soil and also to determine and assess the coefficients of different infiltration models, some infiltration tests were performed in three tree plantation areas in Badjgah, Fars province with different soil textures (clay loam for pear plantation, sandy loam for grape plantation, loamy sand for pine trees). In each pl...
having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...
Studying the phenological stages and determining their occurrence in different biological conditions is useful instrumental in restoring and selecting the bases in forestry. Therefore, descriptive method and quantitative analysis were used to study the phenology of Black Locust (Robinia pesudoacacia L.). In descriptive method, the phenomenological observations were recorded during the speci...
Background and aims: coal mines fire is one of the most important problems in all coal production countries. The purpose of the present study was the risk assessment of fires based on Fault Tree Analysis method in fuzzy environment in the coal mines. Methods: In this research, according to a review of all the latest, known and credible studies about fires from around the world, many importan...
abstract- to study the effect of tree roots on increasing water infiltration in soil and also to determine and assess the coefficients of different infiltration models, some infiltration tests were performed in three tree plantation areas in badjgah, fars province with different soil textures (clay loam for pear plantation, sandy loam for grape plantation, loamy sand for pine trees). in each pl...
abstract deviation or in other words committing a crime is literally a social problem. this research that was conducted in 1389 and 1390 has tried to investigate the causes of crimes committed by young male inmates qazvin central prison and effective variables on their tendency to deviation. accordingly after collecting theoretical framework and offering theoretical model including both hirsch...
abstract: background: depending on the importance of a good performance appraisal system to achieve organizational strategies, balanced scorecard technique provides a comprehensive foundation for interpreting and translating organization’s vision and strategy in a set of performance measures by regarding an overall view of organization in four perspectives included customer, internal processes,...
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