abstract the effect of land use type on soil functioning within an ecosystem can be assessed and monitored using soil quality attributes. such studies, which are carried out to create a balance between the biological production and the maintenance and improvement of land resource quality, provide a framework for land degradation control and also for identification of sustainable management. in ...

background: contamination of swimming pools’ water can lead to the transfer of different diseases to humans. the aim of this study was to investigate the quality of water in kerman swimming pools. methods: in this cross-sectional study, sampling from swimming pools was performed before and after swimming, every week. total number of samples collected was 150 samples. samples were investigated i...

conclusions a high prevalence of sleep disorder was found in this population, specifically among female students. analysis of the relationship between sleep disorder and academic performance indicates a significant relationship of psqi scores with marital status, habitat, smoking, physical activity, and academic performance. results a total of 177 respondents, with a response rate of 55%, were ...

The Chinese Loess Plateau is suffering from severe soil erosion. The eco-environmental changes of the plateau have attracted considerable attentions both from scientists and local governments. Aiming at the regional features of eco-environment and main environmental problems of Linfen City, the synthetic evaluation index system including Organism Abundance index, Vegetation Cover index, Water D...

evaluation of voice quality parameters of esophageal speech in different neoglottis forms after total laryngectomy. methods: presentation of voice analysis of 20 patients, who underwent total laryngectomy. the success of acquiring this technique was estimated by means of a voice analyzing program (pitch, sound-holding, loudness, spectrogram), and by the intelligibility via the telephone. shape ...

introduction: filtering can greatly affect the quality of clinical images. determining the best filter and the proper degree of smoothing can help to ensure the most accurate diagnosis. methods: forty five patient’s data aquired during brain phantom spect studies were reconstructed using filtered back-projection technique. the ramp, shepp-logan, cosine, hamming, hanning, butterworth, metz and w...

the aim of this study was to evaluate the effectiveness of an integrated model of emotionally focused approach and gottman model on the quality of marital relationship in married women. in this study the quasi-experimental design with pre-test, post-test and follow up with a control group were used. the study population included married women who went to tehransar health center, district 21. th...

A platform for high index-contrast integrated photonics based on tantalum pentoxide submicrometer waveguides on silicon substrates is introduced. The platform allows demonstration of microring resonators with loaded quality factor, Q, of 67,000 and waveguides with a propagation loss of 4.9 dB/cm. Grating couplers, with an insertion loss of ~6 dB per coupler and 3 dB bandwidth of ~50 nm, are als...