maintenance of an adequate level of do in pond water is very important for shrimp survival and prolonged exposure to the stress of low concentration of oxygen can inhibit shrimp growth. do concentration in this study was considered normal and acceptable for a shrimp pond. over the observation period...
maintenance of an adequate level of do in pond water is very important for shrimp survival and prolonged exposure to the stress of low concentration of oxygen can inhibit shrimp growth. do concentration in this study was considered normal and acceptable for a shrimp pond. over the observation period...
for applications such as fire prevention, tire inflation, tank and pipeline cleaning, and many other oil and gas, mining and marine applications. the ngm uses membrane air separation to produce nitrogen. a bundle of polymer fiber acts as a membrane that allows nitrogen to pass and other gases (like oxygen...
auton-omous driving vehicle, a base station or a network. type: application filed: september , publication date: july , applicant: lg electronics inc. inventors: sangrim lee, hojae lee method for transceiving signal based on dynamic change of wireless resource in wireless communications system and apparatus...
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uptake and nutrient flux data were obtained using two interchangeable modules — a profiling oxygen micro-electrode unit and a benthic chamber unit. diffusive o uptake across the sediment–water interface and the o penetration depths within the sediment were determined from the oxygen micro-profiles....