Kalimantan is an island surrounded by tropical rain forests and has hot humid weather because it crossed the equator. The affects human working climate in exchange of air room, for example laboratory. This study objective was to know amount per hour at Samarinda Occupational Safety Health Center. tools used were TESTO 425 anemometer, a digital meter, thermohygrometer, manometer, laptop. chamber...

Abstrak Alat peraga adalah media pembelajaran kontekstual yang dapat mempermudah peserta didik memperoleh pemahaman konsep. Penelitian ini bertujuan untuk mengembangkan alat tekanan hidrostatis SMA kelas XI. dikembangkan terdiri dari pipa U, manometer digital dan tabung kebocoran setinggi 30 cm. Fluida digunakan air minyak. Metode penelitian dalam metode pengembangan (Research and Development a...

Numerous primary vacuum standards namely Mercury Manometer Standard, Volume Expansion Standard and Orifice Flow Standard of different ranges and designs have been developed by various international vacuum metrology laboratories, for the calibration of vacuum gauges. This paper briefly describes a variety of scientific techniques that had either been used or are employed in different primary vac...

Ventricular function was evaluated in 18 patients prior to left ventriculography and selective coronary arteriography. Simultaneous left ventricular pressure (catheter-tip manometer) and dP/dt were recorded at resting heart rates and during tachycardia induced by right atrial pacing. Pressure-velocity curves were constructed from which Vmax and maximum measured contractile element velocity (max...