Relevant bibliographies by topics / Laboratory stan

Academic literature on the topic 'Laboratory stan'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Laboratory stan"

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Nakamura, Yuki, Masaki Nakajima, Toshihiro Shimizu, Kentaro Suzuki, Yu Bai, and Yoshihiko Uematsu. "Fatigue Properties of Solution-Treated Type 304 Stainless Steel after Nitriding." Key Engineering Materials 525-526 (November 2012): 217–20. http://dx.doi.org/10.4028/www.scientific.net/kem.525-526.217.

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The solution treatment after nitriding (STAN) was performed to stabilize the γ- phase in a metastable austenitic stainless steel, type 304, and to improve the strength of type 304 by the solid solution of nitrogen. Plasma nitriding was conducted at 500°C for 8.5h, and then solution treatment was performed at 1200°C for 1h. As a result, the static strength and the hardness were improved by the STAN. Rotary bending fatigue tests were performed on the specimens with STAN (solid solution strengthened) together with the untreated and the nitrided ones in laboratory air and in 3%NaCl solution. In laboratory air, the fatigue strength of the solid solution strengthened specimen increased compared to that of the untreated specimens, where fatigue limits were 340MPa and 290MPa for the solid solution strengthened and the untreated, respectively. However, the fatigue limit of the solid solution strengthened specimen was lower than that of the nitrided specimen, that is, 380MPa. On the other hand, in 3%NaCl solution, the fatigue strengths of the nitrided specimens and the solid solution strengthened specimens decreased significantly compared to those in laboratory air. After the fatigue tests at the stress level of fatigue limit in laboratory air, the strain-induced martensitic transformation was examined by XRD. In the solid solution strengthened specimens, the strain-induced martensitic transformation was not detected during fatigue tests until 3x107 cycles, indicating that the γ- phase was stabilized by the solid solution of nitrogen.
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Makarewicz-Marcinkiewicz, Agnieszka. "Wpływ genetycznych modyfikacji żywności na stan zdrowia jako kwestia społeczna." Wrocławskie Studia Politologiczne 24 (May 7, 2018): 93–103. http://dx.doi.org/10.19195/1643-0328.24.7.

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The influence of genetic modification of food on health as a contemporary social issueThe article attempts to demonstrate that the process of genetic modification of food and its consequences in the form of influencing the health of entire societies, agro-ecosystems and the environment, which increasingly depends on the degree to which basic needs are met, is a contemporary social issue. Based on the results of mainly biochemical and biotechnological research, the types of genetic modifications of food and their impact on health have been analysed. Secondary analysis of the studies allowed the identification of multi-organ dysfunction syndrome of laboratory animals in reaction to the consumption of genetically modified plants. The paper also analyses the documents of the European Union and the Polish legislation concerning the admission to cultivation and subsequent trade of food products containing genetically modified ingredients.
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Hoare, G. T. Q. "Stanisław Ulam 1909-1984." Mathematical Gazette 83, no. 496 (March 1999): 10–24. http://dx.doi.org/10.1017/s002555720016293x.

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Prodigiously talented with a remarkable flair for anticipating correct results and initiating fruitful areas of research, Stanislaw Ulam (‘Stan’ to his friends) was an unusual mathematician. The considerable breadth of his preoccupations, even in the halcyon days of his youth in Poland, distinguished him from his peers. Sustained by a supreme self-confidence, Ulam preferred pioneering new fields of mathematics to elaborating the ideas of others. Indeed, impatient with detail he tended to leave technicalities to those with whom he collaborated. Uprooted from his native Poland in his twenties, Ulam was to spend two thirds of his working life associated with or employed by the Los Alamos National Laboratory.
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Bromberg, Valerie R., Leigh Cressman, Pam C. Tolomeo, Hatem Abdallah, Alexis Holmes, Jay Garcia, Ashini Patel, et al. "275. Clinical and Laboratory Predictors of Stroke Associated with COVID-19 Disease." Open Forum Infectious Diseases 8, Supplement_1 (November 1, 2021): S243. http://dx.doi.org/10.1093/ofid/ofab466.477.

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Abstract Background Although SARS-CoV-2 predominantly targets the respiratory system, it has also been associated with vascular complications including stroke. Identifying COVID-19 patients at elevated risk for stroke can help inform target anticoagulation strategies. We sought to understand how symptoms and laboratory markers at presentation with COVID-19 relate to stroke risk. Methods We enrolled a cohort of 1324 subjects who were hospitalized with COVID-19 across six PennMedicine hospitals between April and August 2020 and performed retrospective, manual chart review to measure exposures including presenting symptoms and admission inflammatory markers. Data were organized with a REDCap database, and analyses were performed using R statistical software, with Bayesian binomial regression models fit using Stan Hamiltonian Monte Carlo via the “brms” package. Results Among 1324 subjects, 19 stroke events were observed within 30 days of COVID-19 diagnosis. Admission inflammatory markers, including C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), ferritin, and D-dimer, were poor predictors of stroke risk. Among presenting symptoms, including respiratory, gastrointestinal, dermatologic, and neurologic features of COVID-19 disease, only altered mental status documented on presentation (in 529 subjects) was significantly associated with stroke risk (odds ratio 6.06, 95% credible interval 2.16 - 18.7). Conclusion Inflammatory markers associated with COVID-19 disease severity did not discriminate patients at high versus low risk of stroke in this cohort. Altered mental status documented on presentation was significantly associated with incident stroke during COVID-19 disease. Disclosures Ebbing Lautenbach, MD, MPH, MSCE, Merck (Other Financial or Material Support, Member of Data and Safety Monitoring Board (DSMB)) Michael Z. David, MD PhD, GSK (Board Member)
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Rzepka, Marcin, and Miłosz Kędzierski. "Badania laboratoryjne przyczepności stwardniałych zaczynów cementowych z dodatkiem nanotlenku glinu do wybranych formacji skalnych." Nafta-Gaz 78, no. 1 (January 2022): 22–30. http://dx.doi.org/10.18668/ng.2022.01.03.

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Artykuł przedstawia wyniki badań laboratoryjnych przyczepności zaczynów cementowych do trzech formacji skalnych, tj. rdzeni powstałych z piaskowca, mułowca oraz węgla kamiennego. Przygotowane rdzenie skalne (przed zalaniem zaczynem cementowym) poddawane były procesowi przemywania w różnych cieczach (prowadzono też badania dla tzw. rdzeni suchych). Do badań przyczepności wytypowano recepturę zaczynu cementowego zawierającą 1% nanotlenku glinu (n-Al2O3) oraz recepturę konwencjonalną (porównawczą, tj. bez udziału nanokomponentu). Badane zaczyny cementowe miały dobre parametry technologiczne, umożliwiające ich zastosowanie do uszczelniania kolumn rur okładzinowych w otworach wiertniczych o temperaturze dynamicznej około 35°C oraz ciśnieniu około 15 MPa. Po wykonaniu szeregu badań laboratoryjnych stwierdzono, że zaczyn zawierający dodatek 1% n-Al2O3 w wyraźny sposób podnosił przyczepność kamienia cementowego do formacji skalnej. Uzyskane wartości przyczepności dla zaczynu z n-Al2O3 w porównaniu z wartościami otrzymanymi dla zaczynu konwencjonalnego są około 30–40% wyższe. Analizując przyczepność kamienia cementowego (z dodatkiem i bez dodatku nanokomponentu) do różnego rodzaju formacji skalnych, należy zaznaczyć, że: najwyższą przyczepność zanotowano w przypadku piaskowca, nieco niższą – mułowca (około 80–85% wartości przyczepności uzyskanej dla piaskowca), a najniższą – węgla (około 70–75% wartości przyczepności uzyskanej dla piaskowca). Zależność ta zachodzi w podobny sposób w przypadku rdzeni „suchych”, jak i przemytych płuczką, buforem oraz cieczą przemywającą. Należy podkreślić niezwykle istotną rolę odpowiedniego procesu przemywania otworu wiertniczego przed wykonaniem zabiegu cementowania rur okładzinowych. Zastosowanie samego buforu może okazać się niewystarczające. Dodatkowe użycie odpowiednio dobranej cieczy przemywającej pozwala skutecznie usunąć resztki osadu filtracyjnego pozostającego na powierzchni formacji skalnej po jej przewierceniu, co powinno znacznie poprawić stan zacementowania otworu wiertniczego.
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Rey, Romina del, Jesus Alba, Jorge P. Arenas, and Jaime Ramis. "Technical Notes: Evaluation of Two Alternative Procedures for Measuring Airflow Resistance of Sound Absorbing Materials." Archives of Acoustics 38, no. 4 (December 1, 2013): 547–54. http://dx.doi.org/10.2478/aoa-2013-0064.

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Abstract It is well known that sound absorption and sound transmission properties of open porous materials are highly dependent on their airflow resistance values. Low values of airflow resistance indicate little resistance for air streaming through the porous material and high values are a sign that most of the pores inside the material are closed. The laboratory procedures for measuring airflow resistance have been stan- dardized by several organizations, including ISO and ASTM for both alternate flow and continuous flow. However, practical implementation of these standardized methods could be both complex and expensive. In this work, two indirect alternative measurement procedures were compared against the alternate flow standardized technique. The techniques were tested using three families of eco-friendly sound absorbent materials: recycled polyurethane foams, coconut natural fibres, and recycled polyester fibres. It is found that the values of airflow resistance measured using both alternative methods are very similar. There is also a good correlation between the values obtained through alternative and standardized methods.
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Kenar, Levent, and Turan Karayilanoglu Pharm. "Medical Preparedness Against Chemical and Biological Incidents for the NATO Summit in Istanbul and Lessons Learned." Prehospital and Disaster Medicine 21, no. 4 (August 2006): 268–71. http://dx.doi.org/10.1017/s1049023x00003812.

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AbstractIntroduction:During the 2004 North Atlantic Treaty Organization (NATO) Summit, essential counter-measures, including medical preparedness, were taken to cope with any suspected terrorist case or events including the use of chemical or biological (CB) weapons.The Summit was held in Istanbul, a city that bridges two continents, and involved the participation of many Heads of State, Prime Ministers, and Defense Ministers from 26 NATO countries.Methods:First responders, including medical Chemical, Biological, Radiological, and Nuclear (CBRN) teams, received special training. Essential equipment, including drugs, antidotes, detectors, etc., was provided and stockpiled. Medical authorities augmented the capacity for identifying and con- trolling the injuries and any emerging CB incident through the set-up of decontamination units and the procurement of medical devices, antidotes, drugs, and personal protective suits. Additionally, a small part of the recently established NATO-CBRN battalion was welcomed to the Summit and was prepared to perform detection and identification of the agent found in suspicious appearing samples.Results:Although no CB incident was reported during the Summit, extensive experience was gained with respect to medical preparedness against CB terrorism. Sampling, detection, and analysis of toxic materials were taken into account in the medical management. Much laboratory-related work was conducted in the following time period. The laboratory work involved the stan-dardization of sampling and transportation procedures, development of both mobile and reference laboratories, and performing research activities aimed to make the CB analysis more efficient.Although the training of the medical staff was advanced, training should be continuous and supported with educational programs, conferences, meetings, and tabletop and hospital medical exercises throughout the country.Conclusion:Multidisciplinary cooperation, training, and preparedness should be provided to basic medical care units and centers as part of the medical planning aimed at perfect detection and surveillance, laboratory analysis, and emergency response.
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Skoczylas, Norbert. "Coal Seam Methane Pressure as a Parameter Determining the Level of the Outburst Risk – Laboratory and in Situ Research / Ciśnienie Złożowe Jako Parametr Określający Stan Zagrożenia Wyrzutami Metanu I Skał – Badania Laboratoryjne I Kopalniane." Archives of Mining Sciences 57, no. 4 (December 1, 2012): 861–69. http://dx.doi.org/10.2478/v10267-012-0056-8.

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Abstract Scarcity of research focusing on the evaluation of the coal seam methane pressure as a parameter determining the outburst risk makes it difficult to assess the value for which the level of this risk increases considerably. It is obvious that, apart from the gas factor, the evaluation of the threat should also take into account the strength factor. The research presented in this paper attempted at estimating the level of the outburst risk on the basis of the coal seam methane pressure value and firmness of coal. In this work, the author seeks to present both the relevant laboratory research and the measurements carried out in mines.
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Penquite, Sara Ashlyn, and Juan Pablo Galvez. "Iatrogenic Hyperthyroidism With Recurrent Functioning Thyroid Tissue 40 Years After Thyroidectomy for Graves’ Disease." Journal of the Endocrine Society 5, Supplement_1 (May 1, 2021): A936—A937. http://dx.doi.org/10.1210/jendso/bvab048.1914.

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Abstract Background: Graves’ disease is an immune-mediated cause of thyrotoxicosis treated with anti-thyroid drugs (ADTs), radioactive iodine (RAI) or thyroidectomy. Thyroidectomy has been documented to have the lowest rate of recurrence amongst treatment options1. Data regarding long-term recurrence rates is limited beyond 54 months. Clinical Case: An asymptomatic 59 year old female was found to have recurrent thyrotoxicosis on routine laboratory testing. The patient underwent thyroidectomy at age 19 years for Graves’ disease. Prior records unavailable to clarify initial surgical intervention. The patient had post-surgical hypothyroidism which was managed with levothyroxine 100mcg once daily for over 20 years. A biochemically euthyroid state was clearly documented on prior laboratory testing. Initial laboratory testing with TSH <0.01mIU/L (0.45-4.50), FT3 2.8ng/dL (0.8-1.7). Levothyroxine was discontinued with persistent thyrotoxicosis after 8 weeks: TSH <0.01, FT3 5.7, FT4 1.74. Radioactive Iodine Uptake and scan was obtained after administration of 6uCi of iodine-131 which demonstrated 50.8% uptake of radioactive iodine at 24 hours (Normal 10-30%). The left thyroid gland was noted to be in normal position and enlarged with diffuse increase intensity of radiotracer uptake. The right thyroid gland was surgically absent. The patient subsequently underwent completion thyroidectomy with endocrine surgery with resolution of hyperthyroid state. Surgical pathology was benign and consistent with Graves’ disease and multinodular goiter. The patient did become hypothyroid post-operatively and required levothyroxine replacement. She is clinically and biochemically euthyroid on levothyroxine 100mcg once daily 14 months post-operatively. Conclusion: This is a case of recurrent hyperthyroidism approximately 40 years after definitive treatment with thyroidectomy. Although it is unclear whether patient underwent total thyroidectomy or subtotal thyroidectomy for initial intervention, the recurrence of thyrotoxicosis after such a long period of time has not previously been reported in the literature to the knowledge of this writer. This has important implications regarding the underlying pathophysiology of Graves’ disease and the ability of remnant thyroid tissue to regenerate over time. This also has important implications for long-term monitoring in patients with history of thyroidectomy for Graves’ disease. Reference: 1. Sundaresh, V., Brito, J. P., Wang, Z., Prokop, L. J., Stan, M. N., Murad, M. H., & Bahn, R. S. (2013). Comparative effectiveness of therapies for Graves’ hyperthyroidism: a systematic review and network meta-analysis. The Journal of clinical endocrinology and metabolism, 98(9), 3671–3677.
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Chuchalin, A. G., S. N. Avdeev, and N. A. Tsareva. "Efficacy of short course asythromycin in non-severe community-acquired pneumonia." PULMONOLOGIYA, no. 3 (June 28, 2007): 93–98. http://dx.doi.org/10.18093/0869-0189-2007-0-3-93-98.

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The study was aimed to evaluate clinical efficacy, safety, and tolerability of 3 day course of azythromycin (Zitrolid forte) in comparison with a stan dard 7 to 10 day therapy with amoxicillin (Flemoxin solutab) in patients with mild community acquired pneumonia (CAP). Included patients were randomized in 2 groups: 1) 20 patients taking Zitrolid 500 mg daily for 3 days (15 males, 5 females, mean age, 40.7 ± 18.4 yrs); 2) 20 patients taking amoxicillin 500 mg t.i.d. for 7 to 10 days (13 males, 7 females, mean age, 39.8 ± 12.5 yrs). Pneumonia was confirmed by chest X ray in all the patients. Severity of pneumonia was assessed with PSI score. In the 1st group, 12 (60 %) of patients had PSI class I and 8 (40 %) had PSI class II. In the 2nd group, there were 13 (65 %) and 7 (35 %), respectively. In the 1st group patients, improvement in clinical signs and laboratory parame ters was noted at the 3rd day of therapy and complete recovery was detected at the 7th day. The 2nd group patients demonstrated similar dynamics at the 7th and the 14th days, respectively. Microbiological efficacy of the drugs was equal (100 %). The drugs did not differ in rate of adverse events. Therefore, 3 day course of azythromycin in patients with mild CAP were as effective as standard (7 to 10 days) therapy with amoxicillin. Azythromycin (Zitrolid forte) was well tolerated with no serious adverse events requiring interruption the treatment.
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Dissertations / Theses on the topic "Laboratory stan"

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Поковба, Іван Васильович. "Лабораторний стенд для вивчення роботи аксіально-поршневої об'ємної машини з автоматичною підтримкою тиску в системі." Master's thesis, Київ, 2018. https://ela.kpi.ua/handle/123456789/25516.

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Магістерська дисертація загальним обсягом 134 сторінки, містить 53 ілюстрації, 57 таблиць та 33 джерела за переліком посилань. Розроблено лаболаторний експериментальний стенд для дослідження характеристик аксіально-поршневого насосу, для оптимізації режимів його роботи та збільшення терміну його служби. Існуюче нині експериментальне обладнання після багатьох років експлуатації, вимагає модернізації, тому проблема створення нового лабораторного стенду є досить актуальною. Було прийнято рішення про створення нового лабораторного обладнання на базі компаній «Hydraulic line» та « Hansa-flex. Мета і завдання дослідження. Метою магістерської дисертації є дослідження характеристик аксіально поршневого насоса при зміні параметрів його регулювання. Одним з основних факторів, що мають місце у аксіальнопоршневому насосі при проведенні досліджень є втрати напору при перетіканні робочої рідини. Для досягнення поставленої мети було сформульовано такі завдання: -провести аналіз нині існуючих стендів та пристроїв; -створити гідравлічну схему та стенд для випробувань аксіальнопоршневого насосу; -провести пуско-налагоджувальні роботи з різними характеристиками АПН; -розробити методичні вказівки для проведення лабораторних робіт; -провести експериментальні дослідження згідно методичних вказівок; Об’єктом дослідження є керування регульованого аксіально-поршневого насосу; та гідродинамічні явища АПН.. Предмет дослідження – динамічні характеристики регульованого аксіально-поршневого насосу при різних умовах експлуатації. Методи дослідження. Моделювання на базі експерименту, обчислювальні та фізичні експерименти. 6 Наукова новизна результатів. Визначення впливу зміни технічних параметрів на роботу АПН, визначення явищ процесів, які виникають в різних режимах роботи стенду. Практичне значення результатів. Створення та перевірка методичних вказівок для проведення лабораторних робіт студентами. Отримані теоретичні та практичні навички дають змогу більш детально вивчити явище і процеси, що виникають в АПНі. Студенти мають змогу отримати практичні навички для досконалого вивчення гідравлічних агрегатів. Апробація результатів роботи. Основні положення магістерської дисертації були висвітлені на конференції науково-технічній конференції молодих вчених та студентів "Інновації молоді - машинобудуванню", 2018р. Публікації. За матеріалами магістерської дисертації опубліковано 2 тези на міжнародній конференції «Гідроаеромеханіка в інженерній практиціі», 2018р.
Master's dissertation with the total volume of 134 pages, contains 53 illustrations, 57 tables and 33 sources in the list of references. A laboratory-level experimental test bench has been developed to study the characteristics of an axial-piston pump, to optimize its operating modes and extend its service life. Existing experimental equipment after many years of operation requires modernization, so the problem of creating a new laboratory stand is very relevant. It was decided to create a new instrumentation based on the "Hydraulic line" and "Hansaflex" companies. The purpose and tasks of the study. The purpose of the master's dissertation is to study the characteristics of the axially piston pump when changing the parameters of its regulation. One of the main factors that occurs in the axial-piston pump during the research is the loss of pressure when the working fluid flows. To achieve the goal, the following objectives were formulated: -conduct an analysis of existing stands and devices; -create a hydraulic circuit and a test bench for an axial-piston pump; -conduct commissioning works with different characteristics of the APS; -develop guidelines for laboratory work; -conduct experimental research according to the guidelines; The object of the study is the control of the regulated axial-piston pump; and hydrodynamic phenomena of APS .. Subject of research - dynamic characteristics of an adjustable axial-piston pump under different operating conditions. 8 Research methods. Modeling on the basis of experiment, computational and physical experiments. Scientific novelty of the results. Determination of the influence of the change of technical parameters on the work of the APS, the definition of the phenomena of processes that arise in different operating modes of the stand. The practical value of the results. Creation and testing of guidelines for laboratory work by students. The obtained theoretical and practical skills allow to study in detail the phenomenon and processes that arise in the APN. Students have the opportunity to gain practical skills for the thorough study of hydraulic aggregates. Approval of the results of work. The main provisions of the master's thesis were highlighted at the conference of the scientific and technical conference of young scientists and students "Innovations of youth - machine building", 2018. Publications 2 Theses on the international conference "Hydroaeromechanics in engineering practice" were published on the materials of the master's dissertation, 2018.
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Ondrejček, Vladimír. "Řídicí systém laboratorního standu pro výukové účely." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221190.

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This thesis proposes control circuit, that will be used in laboratory stand. The first part contains components that interact with the control circuit. The second part deals with the actual design of the control circuits, their design, appropriate selection of components and wiring. Third part deals with the assembly of the entire device and its commissioning.
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Macdonald, Emma Louise. "Laboratory studies into the development and control of extrinsic chlorhexidine stain." Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685431.

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Extrinsic staining of teeth is a common aesthetic problem for which toothpaste manufacturers strive to produce effective products to chemically and/or physically control the problem. Clinical studies proving efficacy are rare and reliance on tests in vitro are more common. The aim of these studies was to develop two in vitro models which could be used to screen and compare agents and formulations for dietary stain control. The first model utilised immobilised hydroxyapatite (RA) with tea as the chromogen. Using residual tea optical density to assess extrinsic staining proved unreliable. Tea extraction and direct measurement from wells however was shown to be reliable in demonstrating the efficacy of known active chemical agents and differentiating between toothpastes. The second model used roughened Perspex to simultaneously assess toothpastes and their ingredients for chemical and or mechanical stain removal. In line with the RA model, results differentiated between toothpastes and other agents for chemical stain removal. Chemical/mechanical stain removal in the model also showed differences for toothpastes, abrasives and detergents but abrasivity levels did not show the expected linear correlation: the toothbrush itself appeared to be the dominant factor in the model. The final experiment attempted to determine whether chromogen/pellicle interaction was specific or non-specific. Results showed no evidence of specificity indeed data suggested that chromogens may merely be absorbed into the pellicle and held physically rather than by chemical interactions. Since some of the data from both models was consistent with other published laboratory and clinical studies it is cautiously concluded that the models may prove rapid, simple and useful screening methods for anti-staining agents and products. Only the availability of more clinical data to support claims for numerous products, however, will allow the models to be retrospectively validated.
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Bondarenko, A. I., M. O. Mittsel, and A. P. Kogushko. "Laboratory stand for research of the workflow in hydrostatic mechanical transmissions." Thesis, Vela Verlag, Germany, 2014. http://repository.kpi.kharkov.ua/handle/KhPI-Press/42212.

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The work of the laboratory stand as a whole as well as its particular elements is described. The effect of laws of parameters change of hydrostatic transmission fluid machines regulation and the laws of the braking torque change on the basic parameters of hydrostatic mechanical transmissions of different structures (two schemes were discussed: the first one with an inlet differential, the second - with an output differential) at implementation of both acceleration and deceleration processes is determined. The phenomenon of non-simultaneous translation of operating regimes of fluid machines being a part of the hydrostatic mechanical transmission with an “output” differential in the areas of zero speed and power modes is studied.
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Онанченко, Євген Леонідович, Евгений Леонидович Онанченко, Yevhen Leonidovych Onanchenko, Т. А. Якимец, and Е. В. Заярный. "Система преобразования постоянного тока на базе однотактных конвертеров. Лабораторный стенд." Thesis, Видавництво СумДУ, 2005. http://essuir.sumdu.edu.ua/handle/123456789/17579.

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Sheen, Sarah Rachel. "Laboratory and clinical studies on plaque and stain inhibition on dentures and teeth." Thesis, University of Bristol, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.392963.

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Little, Colin. "INTERCHANGEABILITY OF THE I‐STAT POINT OF CARE ANALYZER WITH CENTRAL LABORATORY TESTING IN AN EMERGENCY DEPARTMENT SETTING." Thesis, The University of Arizona, 2015. http://hdl.handle.net/10150/528208.

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A Thesis submitted to The University of Arizona College of Medicine - Phoenix in partial fulfillment of the requirements for the Degree of Doctor of Medicine.
Background and Significance: The i‐STAT point of care blood analyzer is a handheld device used for a variety of laboratory analyses in medical settings. Much research has been performed to evaluate its validity, but it has not been exhaustively tested in real‐world emergency department settings, despite its increasingly popular use in such settings. Methods: We retrospectively examined medical records at the Maricopa Integrated Health Systems Emergency Department to find 100 instances between February 2014 and September 2014 in which a patient had electrolyte testing performed on both the i‐STAT and in the central laboratory within a 60 minute timeframe. These data were examined using variance of means and Bland‐Altman graphing for equivalency. Results: We set the clinical equivalence threshold for each lab to be 5% of the mean normal value. That is, if the i‐STAT differed from central lab by less than 5% of the middle of the normal range (137‐145 for sodium, 5% of which is 7) then we consider them to be clinically equivalent. At this level we were unable to show clinical equivalence. In additional, all electrolytes tested showed small but significant bias between the i‐STAT and the central laboratory. Re‐examination of the data excluding all measurements more than 15 minutes apart showed similar findings. Conclusions: At this time we cannot show equivalency between the i‐STAT device and the central laboratory when used under real‐life emergency department conditions. More research is needed is to support or refute these findings.
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Lyo, A.-Ran Physical Environmental &amp Mathematical Sciences Australian Defence Force Academy UNSW. "The nearby young [special character] Chamaeleontis cluster as a laboratory for star formation and evolution." Awarded by:University of New South Wales - Australian Defence Force Academy. School of Physical, Environmental and Mathematical Sciences, 2004. http://handle.unsw.edu.au/1959.4/38707.

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[Special characters cannot be displayed. Please see the pdf version of the Abstract for an accurate reproduction.] We studied the circumstellar discs, the initial mass function (IMF), mass distribution, binarity and the fundamental properties of the [special character] 9 Myr-old pre-main sequence (PMS) [special character] Chamaeleontis cluster. Using JHKL colour-colour and colour-excess diagrams, we found the circumstellar disc fraction to be [special character] 0.60 among the late-type members. Four stars with [special character] (K - L) > 0.4 were identified as experiencing ongoing accretion which was later confirmed by high-resolution spectroscopic study. Quantitative analysis of the H[special character] profiles found accretion in these four stars at rates comparable to that of two members of the similarly-aged TW Hydrae Association (TWA); rates 1 - 3 orders of magnitude lower than in younger classical T Tauri stars. Together these results suggest that, while the mass accretion rate decreases with age, PMS stars can retain their inner discs for [special character] 10 Myr. An optical photometric survey spanning 1.3 ?? 1.3 pc added two low-mass stars to the cluster inventory. Together with other recent surveys the population is likely to be significantly complete for primaries with masses M > 0.15M[special character]. The cluster now consists of 18 primaries and 9 confirmed and candidate secondaries, with [special character] 2-4 times higher multiplicity than seen in field dwarfs. The cluster IMF is consistent with that of rich young clusters and field stars. By extending the IMF to lower masses, we predict 20-29 low-mass stars and brown dwarfs may remain undiscovered. From study of the cluster???s spatial and mass distribution, we find the [special character] Cha cluster has significant mass segregation, with > 50 per cent of the stellar mass residing within the central 0.17 pc. Lastly we classified members of the cluster with low-resolution spectra, providing information about the fundamental properties of the PMS stars by comparison to standard dwarfs. Broadband VRI colours and pseudocontinuum indices derived for the cluster stars are indistinguishable from dwarfs at visual and red wavelengths. This suggests the temperature sequence for the PMS [special character] Cha cluster is similar to that of the dwarf sequence. Narrow-band spectral indices for the [special character] Cha cluster possibly indicate higher metallicity and strongly indicate lower surface gravity than the dwarf indices.
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Barnett, Street. "Laboratory Test Set-up to Evaluate Electromechanical Actuation System for Aircraft Flight Control." University of Dayton / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1429461885.

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Wells, Karen E. "Development of a Laboratory Protocol for the Micropropagation of Monterey Pines (Pinus Radiata), Año Nuevo Stand." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/76.

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Monterey pine (Pinus radiata), a native tree to California and two Mexican islands, is important both ecologically and economically. Outside native stands, Monterey pines are grown for landscaping in California and on plantations around the world. Pitch canker, a disease caused by the fungus Gibberella circinata Nirenberg & O’Donnell (Fusarium circinatum Nirenberg and O'Donnell) is threatening the survival of Monterey pines. The disease currently affects Monterey pines in many parts of the world including the native stands. No effective chemical or biological control is available but some Monterey pines show resistance to the disease. The purpose of this project was to develop a working protocol for producing genetic clones of the resistant pines through micropropagation. These genetic clones will be used for outplanting in places outside the native stands for ornamental and plantation purposes. This project analyzes the results of ten trials with varied parameters and bases the final protocol on the parameters used in the trial that induces the growth of new shoots. The final protocol developed in this project describes, step-by-step, the media preparation for the initiation, plant material collection, surface sterilization of plant material, plating in media and initiation of shoots on explants. The protocol calls for collecting shoot tips with hardened buds that have not yet elongated, then washing the shoot tips in sterile water with Tween 20 for 15 minutes. The shoots tips are then surface sterilized in a 50% bleach solution for 20 minutes. The explants are broken into disks (to minimize damage to the cells) by inserting the tip of a scalpel and tilting it slightly. The initiation media shown to induce growth consists of ½ strength LePoivre basal salt mixture, 5mg/L benzylaminopurine, 3% sucrose and 0.8% agar and is adjusted to a pH of 5.7, then autoclaved for 20 minutes. The explants are inserted into solidified media and incubated in a growth chamber programmed for 16 hours of light and 8 hours of dark with temperatures of 27ºC and 22ºC and light irradiance of 80µEm-2s-1. After 1 month the protocol calls for transferring the growing shoots to elongation media with full LP basal salts and transferring every month. When the number of desired shoots has been reached the forthcoming protocol for rooting can be followed.
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Books on the topic "Laboratory stan"

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G, Haugh Mary, ed. STAT, the laboratory's role. Chicago: American Society of Clinical Pathologists Press, 1986.

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Schlosser, W. Challenges of astronomy: Hands-on experiments for the sky and laboratory. New York: Springer-Verlag, 1991.

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Beszczyńska, Beata. Zależność hormonalnej i behawioralnej reakcji na stres od stanu metabolicznego organizmu. Toruń: Wydawn Uniwersytetu Mikołaja Kopernika, 2006.

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Broad, William J. Star warriors: The weaponry of space : Reagan's young scientists. London: Faber and Faber, 1986.

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Star warriors: The weaponry of space : Reagan's young scientists. London: Faber, 1986.

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Broad, William J. Teller's war: The top-secret story behind the Star Wars deception. New York: Simon & Schuster, 1992.

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Illinois. Illinois Clinical Laboratory Act: Ill. rev. stat., ch. 111 1/2, par. 621-101 et. seq.). Illinois clinical laboratory code : 77 Ill. adm. code 450) : effective July 1, 1989. [Springfield]: Illinois Dept. of Public Health, 1989.

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Star warriors: A penetrating look into the lives of the young scientists behind our space age weaponry. New York: Simon and Schuster, 1985.

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Broad, William. Star warriors: A penetrating look into the lives of the young scientists behind our space age weaponry. New York: Simon and Schuster, 1985.

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United States. Government Accountability Office. Stand-down of Los Alamos National Laboratory: Total costs uncertain, almost all mission-critical programs were affected but have recovered : report to the Chairman, Committee on Energy and Commerce, House of Representatives. Washington, D.C: GAO, 2005.

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Book chapters on the topic "Laboratory stan"

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Mackenzie, Dana. "From Gilgamesh to Star Wars." In Simula Research Laboratory, 189–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01156-6_16.

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Saito, Shuji. "Laboratory Microwave Spectroscopy of Interstellar Molecules." In Star Forming Regions, 92. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4782-5_33.

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Lipnickas, Arūnas, Ramunė Jankauskaitė, Vilmantas Žukauskas, and Vaclovas Kubilius. "Laboratory Stand for Air Flow Stabilization." In Solid State Phenomena, 119–24. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-21-3.119.

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Sowiński, Kamil, Michał Nowicki, and Tomasz Charubin. "Laboratory Stand for Fluxgate Level Measurement." In Advances in Intelligent Systems and Computing, 149–56. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-29993-4_19.

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Hartquist, T. W., and A. Dalgarno. "Molecular Diagnostics of the Interstellar Medium and Star Forming Regions." In Astrophysical and Laboratory Plasmas, 267–98. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-017-0803-6_13.

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Belloni, T. "GRS 1915+105 as a Black Hole Accretion Disk Laboratory." In The Neutron Star—Black Hole Connection, 295–300. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0548-7_18.

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Dey, Pranab. "Connective Tissue Stain: Principle and Procedure." In Basic and Advanced Laboratory Techniques in Histopathology and Cytology, 99–108. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8252-8_10.

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Dey, Pranab. "Haematoxylin and Eosin Stain of the Tissue Section." In Basic and Advanced Laboratory Techniques in Histopathology and Cytology, 69–79. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8252-8_8.

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Preibisch, Thomas. "Star Formation at High Resolution, Zooming into the Carina Nebula, the Nearest Laboratory of Massive Star Feedback." In Reviews in Modern Astronomy, 223–36. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527644384.ch13.

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Wilker, Molly B. "Incorporating Experimental Design into a Stand-Alone Undergraduate Physical Chemistry Laboratory Course." In ACS Symposium Series, 83–94. Washington, DC: American Chemical Society, 2018. http://dx.doi.org/10.1021/bk-2018-1279.ch006.

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Conference papers on the topic "Laboratory stan"

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Knapkiewicz, Pawel, Mykhaylo Melnyk, Vasyl Teslyuk, Jan Dziuban, Mykhaylo Lobur, and Michal Szermer. "Mechatronic laboratory stand." In 2016 XII International Conference on Perspective Technologies and Methods in MEMS Design (MEMSTECH). IEEE, 2016. http://dx.doi.org/10.1109/memstech.2016.7507514.

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Herbst, E. "Gas-Grain Models of Low-Mass Star Formation." In ASTROCHEMISTRY: From Laboratory Studies to Astronomical Observations. AIP, 2006. http://dx.doi.org/10.1063/1.2359564.

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Cameron, A. G. W., H. Vanhala, and P. Höflich. "Some aspects of triggered star formation." In ASTROPHYSICAL IMPLICATIONS OF THE LABORATORY STUDY OF PRESOLAR MATERIALS. ASCE, 1997. http://dx.doi.org/10.1063/1.53323.

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Lery, Thibaut. "Star Formation Histories." In MAGNETIC FIELDS IN THE UNIVERSE: From Laboratory and Stars to Primordial Structures. AIP, 2005. http://dx.doi.org/10.1063/1.2077178.

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Padoan, P., A. G. Kritsuk, T. Lunttila, M. Juvela, A. Nordlund, M. L. Norman, S. D. Ustyugov, et al. "MHD Turbulence In Star-Forming Clouds." In PLASMAS IN THE LABORATORY AND THE UNIVERSE: Interactions, Patterns, and Turbulence. AIP, 2010. http://dx.doi.org/10.1063/1.3460128.

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Lépine, Jacques R. D. "Star formation in local spiral arms." In MAGNETIC FIELDS IN THE UNIVERSE: From Laboratory and Stars to Primordial Structures. AIP, 2005. http://dx.doi.org/10.1063/1.2077225.

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Supronowicz, Henryk, Andrzej Olszewski, and Hubert Gawinski. "Laboratory Stand for Designing Digital Systems." In EUROCON 2007 - The International Conference on "Computer as a Tool". IEEE, 2007. http://dx.doi.org/10.1109/eurcon.2007.4400363.

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Owocki, Stan. "Magnetic Channeling of Radiatively Driven Hot-Star Winds." In MAGNETIC FIELDS IN THE UNIVERSE: From Laboratory and Stars to Primordial Structures. AIP, 2005. http://dx.doi.org/10.1063/1.2077188.

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Campana, Sergio. "Emission processes in quiescent neutron star transients." In PLASMAS IN THE LABORATORY AND IN THE UNIVERSE: New Insights and New Challenges. AIP, 2004. http://dx.doi.org/10.1063/1.1718464.

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Price, Daniel J., Matthew R. Bate, Giuseppe Bertin, Franca De Luca, Giuseppe Lodato, Roberto Pozzoli, and Massimiliano Romé. "Magnetic fields and radiative feedback in the star formation process." In PLASMAS IN THE LABORATORY AND THE UNIVERSE: Interactions, Patterns, and Turbulence. AIP, 2010. http://dx.doi.org/10.1063/1.3460126.

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Reports on the topic "Laboratory stan"

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Winkler, J., D. Christensen, and J. Tomerlin. Laboratory Test Report for Six ENERGY STAR Dehumidifiers. Office of Scientific and Technical Information (OSTI), December 2011. http://dx.doi.org/10.2172/1032386.

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Frank, Adam. From Interstellar Cloud to Star to Laboratory: Frontier HEDP Studies of Magnetized Colliding Plasma Flows with Strong Radiative Cooling. Office of Scientific and Technical Information (OSTI), May 2020. http://dx.doi.org/10.2172/1617130.

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Beg, Farhat. From Interstellar Cloud to Star to Laboratory: Frontier HEDP Studies of Magnetized Colliding Plasma Flows with Strong Radiative Cooling. Office of Scientific and Technical Information (OSTI), March 2019. http://dx.doi.org/10.2172/1500122.

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Neroda, Tetyana V., Lidia V. Slipchyshyn, and Ivan O. Muzyka. Adaptive toolkit of branch-oriented workshop environment for enlargement the cloud-based e-learning media platform. [б. в.], June 2021. http://dx.doi.org/10.31812/123456789/4449.

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The ways of providing comprehensive efficiency increase in communication facilities of the academic space are given with regard to stipulated methods of managing distributed network resources. Selected the user interfaces types are distinguished according to user actions in the studied subject area, which made it possible to justify and hierarchically organize the categories of adaptive toolkit of the branch- oriented workshop environment by the classes of components declared in the project, which are closely related to the scheme of learning experiment and are basic means for simulating transients. The analytical models of classes of components of the virtual laboratory stand are compiled, the elements of which represent the properties and methods for visualization and further processing of interacting instances of the basic locations of the subject area, while ensuring system stability and controllability by clear distribution of functionality. Finally, the unification of component set template properties of the subject area is implemented, which greatly extending the targeted destination of virtual platform and increasing number of educational disciplines of academic course covered by the designed media resource. The results of the pedagogical verification showed an increase in the students’ performance in mastering the subject area by means of presented branch-oriented workshop environment.
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Agassi, Menahem, Michael J. Singer, Eyal Ben-Dor, Naftaly Goldshleger, Donald Rundquist, Dan Blumberg, and Yoram Benyamini. Developing Remote Sensing Based-Techniques for the Evaluation of Soil Infiltration Rate and Surface Roughness. United States Department of Agriculture, November 2001. http://dx.doi.org/10.32747/2001.7586479.bard.

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The objective of this one-year project was to show whether a significant correlation can be established between the decreasing infiltration rate of the soil, during simulated rainstorm, and a following increase in the reflectance of the crusting soil. The project was supposed to be conducted under laboratory conditions, using at least three types of soils from each country. The general goal of this work was to develop a method for measuring the soil infiltration rate in-situ, solely from the reflectance readings, using a spectrometer. Loss of rain and irrigation water from cultivated fields is a matter of great concern, especially in arid, semi-arid regions, e.g. much of Israel and vast area in US, where water is a limiting factor for crop production. A major reason for runoff of rain and overhead irrigation water is the structural crust that is generated over a bare soils surface during rainfall or overhead irrigation events and reduces its infiltration rate (IR), considerably. IR data is essential for predicting the amount of percolating rainwater and runoff. Available information on in situ infiltration rate and crust strength is necessary for the farmers to consider: when it is necessary to cultivate for breaking the soil crust, crust strength and seedlings emergence, precision farming, etc. To date, soil IR is measured in the laboratory and in small-scale field plots, using rainfall simulators. This method is tedious and consumes considerable resources. Therefore, an available, non-destructive-in situ methods for soil IR and soil crusting levels evaluations, are essential for the verification of infiltration and runoff models and the evaluation of the amount of available water in the soil. In this research, soil samples from the US and Israel were subjected to simulated rainstorms of increasing levels of cumulative energies, during which IR (crusting levels) were measured. The soils from the US were studied simultaneously in the US and in Israel in order to compare the effect of the methodology on the results. The soil surface reflectance was remotely measured, using laboratory and portable spectrometers in the VIS-NIR and SWIR spectral region (0.4-2.5mm). A correlation coefficient spectra in which the wavelength, consisting of the higher correlation, was selected to hold the highest linear correlation between the spectroscopy and the infiltration rate. There does not appear to be a single wavelength that will be best for all soils. The results with the six soils in both countries indeed showed that there is a significant correlation between the infiltration rate of crusted soils and their reflectance values. Regarding the wavelength with the highest correlation for each soil, it is likely that either a combined analysis with more then one wavelength or several "best" wavelengths will be found that will provide useful data on soil surface condition and infiltration rate. The product of this work will serve as a model for predicting infiltration rate and crusting levels solely from the reflectance readings. Developing the aforementioned methodologies will allow increased utilization of rain and irrigation water, reduced runoff, floods and soil erosion hazards, reduced seedlings emergence problems and increased plants stand and yields.
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