[…] EXHIBITION: ‘Plein Air Unleashed,’ in White Stone, VA […]
These great quality Air Stones aerate and add oxygen to the water in your reservoir or grow system. Circulates nutrients into the water and helps to maintain an even water temperature. Use with 3/16 inch ID air line product #708215.
With over eight years of survey research and methodology experience, Stone has designed, evaluated, overseen, and implemented questionnaire design, sample design and selection, respondent location and data collection operations, data improvements, administrative record linking, data processing and management, and data analyses and reporting on numerous studies. Stone has worked on projects ranging from large-scale national surveys, evaluations, randomized field trials, and literature reviews to small-scale pilot and membership studies for the federal government, private foundations, and academic clients. She has directed and overseen work on numerous studies, including the 2011–12 Project Talent Follow-up Pilot Study and the National Center for Education Statistics’ Adult Training and Education Survey. Most recently, Stone led the operations for collecting classroom instruction videos of over 1,000 teachers in 127 schools in eight districts across five states as part of the Institute of Education Sciences’ study of the Impact Evaluation of Teacher and Leader Evaluation Systems.
Rebecca Stone is a senior researcher and literacy specialist at AIR. Previously she worked as a multilingual education consultant developing curriculum, designing and implementing teacher professional development programs, and designing reading programs in languages that children speak and understand best.Celeste Stone is a senior survey methodologist and the deputy director of the Center for Survey Methods at AIR, where she leads and provides survey methodology expertise in all aspects of the survey process: design, implementation, documentation, training, and analysis, with a focus on large-scale research studies with complex sample designs.No particular stars have been announced yet, but one still wonders if a three-hour musical about the trials and triumphs of a magazine is really going to attract a widespread primetime-TV audience. But hey, it is the era of Peak TV–might as well try anything once. Rolling Stone 50 will air Feb. 7, 2018 on ABC.The NC-4 started from the Naval Air Station at Rockaway, New York, at 1000 hours on 8 May, 1919, in concert with the NC-1 and NC-3, and although the NC-1 and NC-3 did not complete the journey, the NC-4 successfully crossed the Atlantic and landed in Lisbon, Portugal on 27 May 1919. Stone was decorated that same day by the Portuguese government with the Order of the Tower and Sword. Prior to joining AIR, Stone worked in the Decennial Statistical Studies Division of the U.S. Census Bureau, where she applied survey methodology and statistical expertise in a post-enumeration survey evaluating the completeness of the population coverage of the 2010 Census.With the exception of some almost any use of an in an aquarium will be more effectiveif you are using an air stone in conjunction with that pump.If you have an that isrun by an , an air stone will bebeneficial. An air stone will create an abundant cascade of small totiny bubbles rather than a limited number of larger bubbles. Thesesmaller bubbles will be much more effective at moving water throughthe , making the filter moreeffective and efficient.As for increasing the oxygenation of the water, the best thing airstones do is provide good water circulation - so if your is adequate to the , it will already be providing adequatewater circulation, and the benefit from an air stone and will be minimal and unnecessary.