نتایج جستجو برای: laboratory hood

تعداد نتایج: 283051  

2001
Stephen J. Ford Jefferey A. Shufelt J. Chris McGlone Wilson A. Harvey Steven Douglas Cochran David M. McKeown

Late in 1995 we organized a hyperspectral data acquisition using the Naval Research Laboratory’s Hyperspectral Digital Imagery Collection Experiment sensor system over Fort Hood, Texas. This acquisition resulted in hyperspectral data with a nominal 2 meter ground sample distance collected with 210 spectral samples per pixel. This paper describes current quantitative classification results for m...

2005
M. D. SANDERS

Divergence paralysis is characterized by acquired horizontal homonymous diplopia when viewing distant objects but without limitation of ocular movements (Bielschowsky, I935). Although raised intracranial pressure is a significant aetiological factor in the production of divergence paralysis (Bender and Savitsky, I940; Chamlin and Davidoff, I950, 1951), there has been much diversity of opinion a...

2017
Kristen Bowey-Dellinger Luke Dixon Kristin Ackerman Cynthia Vigueira Yewseok K. Suh Todd Lyda Kelli Sapp Michael Grider Dinene Crater Travis Russell Michael Elias V. McNeil Coffield Verónica A. Segarra

Undergraduate students learn about mammalian cell culture applications in introductory biology courses. However, laboratory modules are rarely designed to provide hands-on experience with mammalian cells or teach cell culture techniques, such as trypsinization and cell counting. Students are more likely to learn about cell culture using bacteria or yeast, as they are typically easier to grow, c...

Journal: :Journal of biomolecular techniques : JBT 2009
Nina Witt Gillian Rodger Jo Vandesompele Vladimir Benes Alimuddin Zumla Graham A Rook Jim F Huggett

Sensitive molecular methods, such as the PCR, can detect low-level contamination, and careful technique is required to reduce the impact of contaminants. Yet, some assays that are designed to detect high copy-number target sequences appear to be impossible to perform without contamination, and frequently, personnel or laboratory environment are held responsible as the source. This complicates d...

Journal: :The Journal of the Michigan Dental Association 1993
J K Cantwil

Journal: :SIAM J. Comput. 2004
Luc Devroye Pat Morin Alfredo Viola

We consider open addressing hashing and implement it by using the Robin Hood strategy; that is, in case of collision, the element that has traveled the farthest can stay in the slot. We hash ∼ αn elements into a table of size n where each probe is independent and uniformly distributed over the table, and α < 1 is a constant. Let Mn be the maximum search time for any of the elements in the table...

1997
Alvaro del Val Pedrito Maynard-Reid Yoav Shoham

We present a qualitative model for reasoning about perceptions, sensors, and belief, and a logic to reason about this model. Basic to our model is a distinction between precision and accuracy, for both of which we provide qualitative deenitions. In our logic this distinction gives rise to two modal operators|P for actual perception, and C p for perceptual capability , which is captured as a set...

Journal: :Social Networks 2012
Jeremy Mennis Michael J. Mason

This study investigates whether age and gender moderate the effects of social network and neighborgocentric social network ocial disorganization ontextual effects eighborhood effects ctivity space oderation hood contexts on adolescent substance use using a spatially embedded, egocentric social network data set comprised of 254 urban adolescents. Results indicate that substance use is enhanced b...

2011
Yvan Simard Cédric Gervaise Nathalie Roy

S ARE IN THE ORDER OF PRESENTATION Alphabetical Index of authors begins on page 86 Fifth International Workshop on Detection, Classification, Localization, and Density Estimation of Marine Mammals using Passive Acoustics 21 -25 August, 2011 Timberline Lodge, Mount Hood, Oregon, USA

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function paginate(evt) { url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term pg=parseInt(evt.target.text) var data={ "year":filter_year, "term":term, "pgn":pg } filtered_res=post_and_fetch(data,url) window.scrollTo(0,0); } function update_search_meta(search_meta) { meta_place=document.getElementById("search_meta_data") term=search_meta.term active_pgn=search_meta.pgn num_res=search_meta.num_res num_pages=search_meta.num_pages year=search_meta.year meta_place.dataset.term=term meta_place.dataset.page=active_pgn meta_place.dataset.num_res=num_res meta_place.dataset.num_pages=num_pages meta_place.dataset.year=year document.getElementById("num_result_place").innerHTML=num_res if (year !== "unfilter"){ document.getElementById("year_filter_label").style="display:inline;" document.getElementById("year_filter_place").innerHTML=year }else { document.getElementById("year_filter_label").style="display:none;" document.getElementById("year_filter_place").innerHTML="" } } function update_pagination() { search_meta_place=document.getElementById('search_meta_data') num_pages=search_meta_place.dataset.num_pages; active_pgn=parseInt(search_meta_place.dataset.page); document.getElementById("pgn-ul").innerHTML=""; pgn_html=""; for (i = 1; i <= num_pages; i++){ if (i===active_pgn){ actv="active" }else {actv=""} pgn_li="
  • " +i+ "
  • "; pgn_html+=pgn_li; } document.getElementById("pgn-ul").innerHTML=pgn_html var pgn_links = document.querySelectorAll('.mypgn'); pgn_links.forEach(function(pgn_link) { pgn_link.addEventListener('click', paginate) }) } function post_and_fetch(data,url) { showLoading() xhr = new XMLHttpRequest(); xhr.open('POST', url, true); xhr.setRequestHeader('Content-Type', 'application/json; charset=UTF-8'); xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200) { var resp = xhr.responseText; resp_json=JSON.parse(resp) resp_place = document.getElementById("search_result_div") resp_place.innerHTML = resp_json['results'] search_meta = resp_json['meta'] update_search_meta(search_meta) update_pagination() hideLoading() } }; xhr.send(JSON.stringify(data)); } function unfilter() { url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":"unfilter", "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } function deactivate_all_bars(){ var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(bar) { bar.dataset.active = false bar.style = "stroke:#71a3c5;" }) } year_chart.on("created", function() { var yrchart = document.querySelectorAll('.ct-bar'); yrchart.forEach(function(check) { check.addEventListener('click', checkIndex); }) }); function checkIndex(event) { var yrchart = document.querySelectorAll('.ct-bar'); var year_bar = event.target if (year_bar.dataset.active == "true") { unfilter_res = unfilter() year_bar.dataset.active = false year_bar.style = "stroke:#1d2b3699;" } else { deactivate_all_bars() year_bar.dataset.active = true year_bar.style = "stroke:#e56f6f;" filter_year = chart_data['labels'][Array.from(yrchart).indexOf(year_bar)] url=/search_year_filter/ var term=document.getElementById("search_meta_data").dataset.term var data={ "year":filter_year, "term":term, "pgn":1 } filtered_res=post_and_fetch(data,url) } } function showLoading() { document.getElementById("loading").style.display = "block"; setTimeout(hideLoading, 10000); // 10 seconds } function hideLoading() { document.getElementById("loading").style.display = "none"; } -->