Arterial blood gases (ABG) is a common and gold standard procedure often used to assess acid-base status electrolytes. sampling technically difficult painful causes rare but serious complications for the patient (such as vascular injury or embolism). The gas analysis of samples drawn from arteriovenous fistula (AVF) requires fewer punctures relatively safer less patient. study included (22) pat...

Abstract. Nitrous oxide (N2O) is one of the important greenhouse gases. N2O emissions from anthropogenic sources are approximately 7-8 million tones N/yr worldwide and 70% of these emissions are caused by crop and animal production. In this study, direct N2O production from dairy cattle (enteric fermentation) and feces/urine temporarily stored in two freestall dairy barns were measured with 1) ...

Performance of 43-44 Single Point Monitors (SPMs) was evaluated for measuring aerial ammonia (NH3, 0-30 ppm) and hydrogen sulfide (H2S, 0-90 ppb) under laboratory and field conditions. Calibration gas or sample air with various levels of moisture content or dew-point temperature (tdp) and gas concentrations were introduced simultaneously to the SPMs and a reference gas analyzer – chemiluminesce...

Energy delivery at well construction in regions with hard climate is distinguished by variable demand in electric and heat power. Energy consumption of drilling equipment, production and living facilities varies greatly during the year, depending on power load charts and climate conditions. Power supply of remote well construction sites is mostly accomplished by operating autonomous power sourc...

A quadrupole gas analyzer system was calibrated for the gases H2, He, N2, 02, A, and Xe. The procedure involved first calibrating the system for argon, as the reference gas. This was done using conventional techniques. A mixture of the above gases was then introduced into the system to be calibrated. The system configuration was such that the ratio of the partial pressures of each of the test g...