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Showing 1 to 9 of 9 for “"startup time"”.
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High-performance reference frequency generation techniques
Low-noise high-frequency fast-startup reference frequency generators are needed in high-performance power-efficient communication systems. Frequency synthesizers that generate high-frequency clocks in modern wireline/wireless transceivers require high-frequency reference clocks to achieve excellent …
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Startup and Pilot Testing of MBBR and IFAS Partial Denitrification/Anammox Processes
… One of these factors is the slow growth rate and startup time of anammox bacteria. This research first focused on determining the required startup time and startup optimization methods for a proposed mainstream polishing PdNA MBBR at Hampton Roads Sanitation District's James River Treatment Plant …
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BIOWINTM Modeling of the Startup of an Anaerobic Digester Used in Wastewater Treatment Plants
… However, the digester capacity decreases with time due to the buildup of solid deposits at the bottom of the digester. Therefore, routine shutdown and cleanup are commonly practiced at Wastewater Treatment Plants (WWTPs). Currently, WWTP operators face the challenge of starting up an anaerobic …
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Architecture for ultra-low power multi-channel transmitters for Body Area Networks using RF resonators
… low transmit output powers, around -10dBm, low startup time, simple modulation schemes of OOK, FSK and BPSK and high datarates of 1Mbps. An architecture that is suited for the unique requirements of transmitters in these BANs is developed. RF Resonators, and in particular Film Bulk Acoustic Wave …
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Intensification of Biological Nutrient Removal Processes
… but there was virtually no experience with startup or operation of these processes in North America. The experience gained from optimization of the sidestream deammonification moving bed biofilm reactor (MBBR) in this study, including the novel pH-based aeration control strategy, has …
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Startup Strategies for Mainstream Anammox in Moving Bed Biofilm Reactors (MBBRs)
… rate of anammox (AMX), which results in a long startup time. To accelerate startup, the typical approach to commissioning AMX-based processes, specifically used for sidestream partial nitritation/AMX, is with biomass augmentation, which is practically unrealistic for full-scale mainstream …
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Towards a Flexible High-efficiency Storage System for Containerized Applications
… registries, which will slow down the container startup time. Therefore, there is growing demand for high storage efficiency and high-performance registry storage systems. Last but not least, different storage systems can be integrated with containers as backend storage systems and provide …
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Fundamental and Practical Aspects of Cometabolite Addition for 1,4-Dioxane Removal in Biofiltration
… However, propane gas amendment decreased the startup time requirement for new BACs to achieve complete NDMA removal. Cometabolic 1,4-dioxane degradation with tetrahydrofuran (THF) was also found to be an effective treatment for 1,4-dioxane contaminated landfill leachate, but not practical for …
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Rapid Startup of Aerobic Granular Sludge Using Cationic Polymer For Industrial Wastewater Treatment
… typically requires several weeks. Such a long startup time may cause a problem for the implementation of aerobic granulation for industrial applications. By considering these limitations, hydrofloc cationic polymer C4400SA was used to enhance the stability and rapid formation of aerobic …