نتایج جستجو برای: high current test
تعداد نتایج: 3283274 فیلتر نتایج به سال:
the aim of this investigation is to compare the effect of applying two transcutaneous electrical nerve stimulation (tens) current with different frequencies (2 hz & 100 hz) on hoffmann reflex recorded from gastrosoleus muscle of healthy people. forty female subjects between 20 to 30 years of age were participated in this quasi-experimental design. twenty of them were exposed to the 100 hz curre...
A Rogowski current transducer is an invaluable tool for semiconductor and power electronic circuit development since it is non-intrusive and does not saturate at high currents. This paper reviews the operating principles, performance limitations and development of this measurement technology and outlines improvements to the integrator design that enables bandwidths of 10MHz to be achieved.
Nepal, the home of the highest mountain peaks, is one of the most popular trekking destinations in the world. The Himalaya begins where other mountain ranges leave off. Local farmers have cut small terrace fields on the slopes of colossal gorges which have been carved out by large glacial fed rivers. Everest Base Camp located at an altitude of 5,360 metres (17,590 ft) is 1,000 meters higher tha...
abstract the present study was conducted in order to investigate the impact of an integrated model of form-focused and task-based instruction on iranian efl learners vocabulary learning and retention.it also aimed to detect efl learners attitude towards the implementation of form-focused task-based vocabulary instruction in the classroom. in order to address the purposes of this study, a sampl...
Objectives: The aim of the Current meta-analysis was to determine the effectiveness of cognitive-behavior treatments in reducing test anxiety. Method: Totally 23 studies with accepted methodology were selected and meta-analysis was done on them. The data were gathered using meta-analysis check list. The effect size of each study was calculated separately. Results: The study findings showed tha...
Nowadays, high-voltage circuit breakers have reached such high short-circuit capabilities that testing them under the full rated voltage is generally not possible with direct tests, and they are conducted by using the synthetic test methods. Although the phenomena associated with making tests is of particular importance especially in case of load break switches, but making tests are rather d...
Objectives: Alzheimer's is the most prevalent cognitive disturbance, with a high spread among the elderly. The current research aims to investigate the impact of cognitive rehabilitation on the memory improvement of Alzheimer's disease patients. Methods: The current research used a semi-experimental design with pre-test and post-test designs. The statistical population in Baghdad in 2021 inclu...
To the Editor: Recently there have appeared many methods and modifications of methods to improve the accuracy and precision of high-density-lipoprotein (HDL) cholesterol analysis. Indeed, it was emphasized to laboratories that would perform this test (1) that the laboratory must attain good precision to avoid an intolerably high misclassification rate. Laboratories that cannot achieve CVs of le...
A novel high-speed tensile test instrument is described, capable of measuring the mechanical response of elastomers at strain rates ranging from 10 to 1600 s(-1) for strains through failure. The device employs a drop weight that engages levers to stretch a sample on a horizontal track. To improve dynamic equilibrium, a common problem in high speed testing, equal and opposite loading was applied...
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