RFICs
PRODUCTS
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Marki Microwave waveguide twists provide accurate offsets and directional changes for waveguide transmission lines and are built with high precision and then gold plated for high corrosion resistance.
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The C20-1500WG is a high-performance WR-15 waveguide directional coupler engineered for precision measurement and signal monitoring in millimeter-wave systems.
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The N-332 linear stage, powered by PICMAWalk, the longest-lasting piezo-motorized drive principle on the market, delivers an impressive 75 N active force with a 3 nm minimum incremental motion.
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Polyzen is capable of producing virtually a variety of polymer-based component using a wide range of processing equipment. This includes extrusion, molding, forming, and machining equipment.
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Isolators with product protection as a housing for aseptic processes, e.g., filling, loading and unloading of freeze dryers.
WHITE PAPERS AND CASE STUDIES
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ABB Helps New Zealand's Watercare Comply With New Fluoride Monitoring Regulations
Discover why Watercare, New Zealand's largest water and wastewater utility company, engaged ABB and Water Engineers Limited to install and commission ABB Aztec AFM631 Fluoride Analyzers in their Auckland water treatment plants.
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Reservoir Service Preserved During Emergency Leak Repair
Discover how utility operators resolved a critical emergency main leak in just one day, using under-pressure valve insertion to isolate the break without draining the regional reservoir or interrupting water service to the community.
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Standardize Flow Cytometry Data With Easy Assay Transfer Across Sites
Gain insight into how a global pharmaceutical company successfully transferred their cell therapy assays across international locations.
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Accelerate European Market Access With MAA Submission
Discover how ensuring preparedness for Marketing Authorization Application (MAA) approval can streamline your application process and subsequent follow-up.
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New Study On Mechanical Behavior Of Skin
Explore how researchers used 3D imaging and uniaxial stretching to study collagen and elastin fiber behavior in skin, advancing understanding crucial for developing biomimetic materials and treatments.
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Successful Completion Of The Project NaDiNa
Conducted alongside the Faculty of Medicine at Palacky University and supported by the Technology Agency of the Czech Republic, this project focused on translating research into a viable medicinal product.
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Development To Large-Scale cGMP Production
For manufacturers working with a dry powder medium (DPM), early consultation with a supplier can increase the likelihood of success. Uncover a two-phase scale-up strategy for the production of DPM.
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AMERICAN Plays A Role In Rebuilding Puerto Rico's Infrastructure
AMERICAN is helping rebuild Puerto Rico’s vital water infrastructure after Hurricane Maria, supplying American-made products to strengthen resiliency for 3.5 million residents and millions of annual visitors.
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Enhancing Site Capacity For Clinical Trials With DCT Nurses
See how the rapid deployment of trained mobile nurses was able to mitigate resource-related obstacles and facilitate timely patient enrollment for a pediatric rare disease trial.
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Relieving Pressure During Preparation Of A High-Volume sNDA
Managing a complex sNDA under pressure? See how one sponsor achieved an early FDA submission through coordinated publishing, regulatory strategy, and flawless execution.
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How Can You Avoid Bioprocessing Risks When Using Cable Ties?
Cable ties in bioprocessing can cause leaks, damage, and delays. See how switching to a uniform-sealing connector can significantly improve efficiency, reduce prep time, and minimize contamination risks.
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Driving A High-Adherence LTFU Trial Without An EDC
Discover how our partnership with a client was able to deliver a ten-year long-term follow-up (LTFU) trial that delivered an over 90% adherence rate while keeping trial costs low by not using an EDC.
NEWS
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Climate Extremes In 2024 'Wreaking Havoc' On The Global Water Cycle1/6/2025
2024 was another year of record-breaking temperatures, driving the global water cycle to new climate extremes and contributing to ferocious floods and crippling droughts, a new report led by The Australian National University (ANU) shows.
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Luceda Photonics Joins Forces With Semitronix To Accelerate Innovation In Integrated Photonics8/12/2025
Luceda Photonics, a leading provider of photonic integrated circuit (PIC) design software, is proud to announce its acquisition by SMTX Technologies Singapore Pte. Ltd., part of Semitronix Group.
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ROO.AI Adds Automated Warranty Management To Help Businesses Reduce Maintenance Costs5/27/2025
ROO.AI announced today the availability of a new connected worker platform module for Warranty Management to simplify the process of identifying repairs under warranty and recovering warranty repair costs.
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Nordic Bluetooth LE Solar-Powered Asset Tracker Can Operate For Up To Three Weeks In Total Darkness1/20/2025
French embedded systems developer InVirtus Technologies has launched its ‘EosFlex’ and ‘EosFlexMini’ asset tracking devices for ultra-low power locationing using Bluetooth LE wireless connectivity.
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AMBIR Launches Advanced Healthcare Barcode Scanner Series To Enhance Patient Safety And Clinical Productivity7/2/2025
AMBIR Technology, a leading provider of digital capture technology for businesses and consumers.
ABOUT
About Nutrient Removal
Nutrient removal from wastewater consists of treating wastewater to remove nitrogen and phosphorus before it reenters natural waterways. High levels of nitrogen and phosphorus in wastewater cause eutrophication, a process where excess nutrients stimulate excessive plant growth such as algal blooms and cyanobacteria. The decomposition of the algae by bacteria uses up the oxygen in the water causing other organisms to die. This creates more organic matter for the bacteria to decompose. In addition, some algal blooms can produce toxins that contaminate drinking water supplies.
As authorized by the Clean Water Act, the National Pollutant Discharge Elimination System (NPDES) permit program regulates point sources, such as municipal wastewater treatment plants, that discharge pollutants as effluent into the waters of the United States. In recent years, many of the States’ environmental bodies have lowered nutrient limits to arrest eutrophication. Maryland’s effort to protect the Chesapeake Bay and its tidal tributaries is perhaps the most notable example of nutrient removal in the US. Nutrient removal continues to be a growing area of focus for wastewater treatment throughout the world.
The removal of nitrogen and phosphorus require different nutrient removal processes. To remove nitrogen, the nitrogen is oxidized from ammonia to become nitrate through a process called nitrification. This process is then followed by denitrification where the nitrate is reduced to nitrogen gas which is released to the atmosphere and removed from the wastewater.
Nitrification is a two-step aerobic process which typically takes place in aeration tanks. Denitrification requires anoxic conditions to encourage the appropriate biological conditions to form. The activated sludge process is often used to reduce nitrate to nitrogen gas in anoxic or denitrification tanks.
Phosphorus can be removed biologically using polyphosphate accumulating organisms (PAOs) which accumulate large quantities of phosphorus within their cells and separate it from treated water. Phosphorus removal can also be achieved by chemical removal. Once removed as sludge, phosphorus may be stored in a land fill. However, many municipalities and treatment facilities are looking to resell the biosolids for use in fertilizer.