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The precise sensitivity models of the condenser type acoustic transducer with the laser-pistonphone technology have been developed, and they can be used to investigate acoustic transducer responses at infrasonic frequencies. So that, in this paper, the phase sensitivities of acoustic transducers are investigated in detail whether its rear vent connected to the calibrating sound field or outside of the atmosphere. Calculations reveal two specific sensitivities with 90° phase lead and 10° phase lag limits for vent in field and blaze out field calibrations, which are dominated by pressure leakage and heat conduction at infrasonic frequencies.
Source link: https://doi.org/10.1177/14613484211062395
The article discusses the various types of industrial sedimentation tanks that are used more often. The new flexible version of the water treatment system was created in the condition that the unit be compact and at the same time the purification efficiency rate should be high.
Source link: https://doi.org/10.2478/rtuect-2021-0041
Additional experiments were carried out by techniques similar to those described previously in order to determine the presence of an inductance in the condenser discharge circuit of defibrillators' condenser discharge circuit. This modification was found to have a much higher risk of arrhythmias than the threshold used for pure condenser discharges, according to the test. Fibrillation did not appear when the discharge was made in the absolute refractory period or in the excruciating period.
Source link: https://doi.org/10.1161/01.res.16.1.11
An apparatus was developed to enable the application of a condenser discharge at any chosen stage of the cardiac cycle in order to develop technologies for electric defibrillation of the heart. The intact chests of 240 dogs under thiopental anesthesia were released with this machine 2160 discharges were injected into their intact chests. The arrhythmias were also more severe when they were delivered during the refractory period than during the cardiac cycle's peak. Two forms of ventricular fibrillation with a very different prognosis were discovered. Although electrical activity remained steady, excessive currents could damage the heart to the point that myocardial contractions were weak or absent, although electrical stimulation remained. Because of this, the condenser discharges used for medical defibrillation should be such that they will produce only the mildest and briefest arrhythmias.
Source link: https://doi.org/10.1161/01.res.13.1.21
The exhaust air produced in the air conditioner was hot air, contributing to an increase in global warming and a decrease in the ozone layer. The Condenser jacket's role is to reduce the hot air that was released from the condensers outlet unit. We want to produce a condenser jacket that would be fitted to the air conditioner condenser, which results in a decrease in the air temperature caused by the condenser's cooling process. In turn, hot air passing through wet mud glass and grass becomes colder, which in turn lowers the temperature of the exhaust air. This part, which will be mounted in front of the condenser, will reduce the temperature of air released from condenser. So the temperature of the air from the condenser jacket outlet reduces, which in turn contributes to global warming to a small degree.
Source link: https://doi.org/10.37896/ymer21.02/47
If the second day is improved by 101 J, the fins effectivity was enhanced by 119 J on the first day by comparing electricity before and after using fins. The condensation rate was obtained on the first day in Western Indonesia Time at 8. 00 kg/s, with only 0. 000102 kg/s, on the first day, when the rate reached a high at 12:28 Western Indonesia Time with 0. 000233 kg/s. About 0. 000101 kg/s on the second day, the condensation rate in Western Indonesia Time is 8. 20 kg/s, with the highest condensate rate at 12. 22 Western Indonesia Time at 0. 000231 kg/s.
Source link: https://doi.org/10.1088/1757-899x/852/1/012045
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