Academic literature on the topic 'Optical measuring method'

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Journal articles on the topic "Optical measuring method"

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Tian, Ailing, and Anand Asundi. "GSW0444 A new method of measuring aspherical optical surface." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2003.2 (2003): _GSW0444–1—_GSW0444–4. http://dx.doi.org/10.1299/jsmeatem.2003.2._gsw0444-1.

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Romanyuk, Andriyevsky, Kostetsky, Romanyuk, and Stadnyk. "CRYSTAL OPTICAL METHOD FOR TEMPERATURE MEASURING." Condensed Matter Physics 5, no. 3 (2002): 579. http://dx.doi.org/10.5488/cmp.5.3.579.

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SHI WEI, LU FU-QUAN, WU SONG-MAO, TANG JIA-YONG, and YANG FU-JIA. "OPTICAL RESONANCE METHOD FOR MEASURING ION ENERGY." Acta Physica Sinica 41, no. 4 (1992): 568. http://dx.doi.org/10.7498/aps.41.568.

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Kokodii, N. G., M. V. Kaydash, and V. A. Timaniuk. "An optical method for measuring nanoparticle size." Optics and Spectroscopy 115, no. 5 (2013): 675–78. http://dx.doi.org/10.1134/s0030400x13110106.

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Tantbirojn, Daranee, Carmem S. Pfeifer, Arianna N. Amini, and Antheunis Versluis. "Simple optical method for measuring free shrinkage." Dental Materials 31, no. 11 (2015): 1271–78. http://dx.doi.org/10.1016/j.dental.2015.08.150.

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Didosyan, Y., H. Hauser, J. Nicolics, G. Hanreich, and H. Wolfmayr. "Magneto-optical method for measuring mechanical quantities." IEEE Transactions on Instrumentation and Measurement 51, no. 4 (2002): 730–33. http://dx.doi.org/10.1109/tim.2002.803291.

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Angelsky, O. V., P. P. Maksimyak, and T. O. Perun. "Optical correlation method for measuring spatial complexity in optical fields." Optics Letters 18, no. 2 (1993): 90. http://dx.doi.org/10.1364/ol.18.000090.

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Tang Guomao, 汤国茂, 何玉梅 He Yumei, and 廖周 Liao Zhou. "Radial Hartmann Method for Measuring Large Optical System." Chinese Journal of Lasers 37, no. 3 (2010): 795–99. http://dx.doi.org/10.3788/cjl20103703.0795.

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Brannon, Paul J. "Improved method of measuring optical waveguide propagation losses." Applied Optics 25, no. 20 (1986): 3596. http://dx.doi.org/10.1364/ao.25.003596.

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Shi, Pan, and Erik Stijns. "New optical method for measuring small-angle rotations." Applied Optics 27, no. 20 (1988): 4342. http://dx.doi.org/10.1364/ao.27.004342.

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Dissertations / Theses on the topic "Optical measuring method"

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KOSA, NADHIR BAHJAT. "NEW INTERFEROMETRIC METHOD FOR MEASURING CHROMATIC DISPERSION IN SINGLE MODE FIBERS (FOURIER TRANSFORM)." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184171.

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A new interferometric method which indirectly measures the total chromatic dispersion of a single mode fiber is demonstrated. The technique utilizes a short length of fiber, an unmodulated broadband source, simple low frequency electronics, and a standard interferometer. The concept of this measurement is based on the behavior of the uncorrelated individual bursts of light from the elemental emitters that constitute a thermal source. Their propagation through a dispersive media, e.g., silica fiber, which is placed in one arm of the interferometer, is delayed and broadened. They will interfere
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Wyman, Sandra J. "An optical method for measuring injection timing in diesel engines, using a single port." Thesis, Monterey, California: Naval Postgraduate School, 2014. http://hdl.handle.net/10945/44031.

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Approved for public release; distribution is unlimited<br>This thesis is the design of a laser-induced fluorescence technique for use in the characterization of the fuel injection delay of various fuels, due to differences in bulk modulus. The technique is designed to work with an operational diesel engine having readily accessible glow-plug ports. The optical adapter designed for use through the glow-plug port is used as both the transmitting port for the excitation signal and the receiving port for the fluorescence signal. The prototype system was installed on a Detroit Diesel 3–53 two-strok
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Schmälzlin, Elmar, Joost T. van Dongen, Ingo Klimant, et al. "An optical multifrequency phase-modulation method using microbeads for measuring intracellular oxygen concentrations in plants." Universität Potsdam, 2005. http://opus.kobv.de/ubp/volltexte/2007/1223/.

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A technique has been developed to measure absolute intracellular oxygen concentrations in green plants. Oxygen-sensitive phosphorescent microbeads were injected into the cells and an optical multifrequency phase-modulation technique was used to discriminate the sensor signal from the strong autofluorescence of the plant tissue. The method was established using photosynthesis-competent cells of the giant algae Chara corallina L., and was validated by application to various cell types of other plant species.
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Skouras, Costas A. "A new method of measuring non-invasively the haematocrit and the functional saturation in oxygen in mammals." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265367.

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Namarathne, Dinithi L. "Measuring intensity dependent optical nonlineartities without sample damage using higher order vortex beams." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/129569/9/Dinithi_Namarathne_Thesis.pdf.

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This study developed a beam shaping based method to avoid nonlinear sample damage in high intense pulse laser applications. This is achieved by developing a complete theoretical and experimental framework for Z-scan experiments to utilise higher order vortex beams instead of common Gaussian beam. An image processing based extension was introduced to Z-scan experiments, which can be utilised to achieve results of different Z-scan modes from a single experimental dataset efficiently. The results of this study will have a positive impact on utilising different beam profiles to achieve profile spe
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Chang, Serene Hsi-Lin. "Clinical evaluation of a new optical fibre method of measuring oxygen saturation using photoplethysmograph signals reflected from internal tissues." Thesis, Queen Mary, University of London, 2013. http://qmro.qmul.ac.uk/xmlui/handle/123456789/8719.

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Traditional methods of measuring oxygen saturation, e.g. pulse oximetry, depend on an adequate peripheral circulation and have a 20–30 second lag time before readings are obtained. This was a series of evaluations of novel optical probes, designed to measure oxygen saturation using fibreoptic technology directly from internal organs including the brain, oesophagus and organs with splanchnic circulations. A series of pilot studies were proposed and research ethics approval obtained to carry out studies in humans, under general anaesthesia, using these probes. Innovative reflectance probes were
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Karri, Avinash. "Employment of dual frequency excitation method to improve the accuracy of an optical current sensor, by measuring both current and temperature." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc9766/.

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Optical current sensors (OCSs) are initially developed to measure relatively large current over a wide range of frequency band. They are also used as protective devices in the event a fault occurs due to a short circuit, in the power generation and distribution industries. The basic principal used in OCS is the Faraday effect. When a light guiding faraday medium is placed in a magnetic field which is produced by the current flowing in the conductor around the magnetic core, the plane of polarization of the linearly polarized light is rotated. The angle of rotation is proportional to the magnet
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Karri, Avinash Wang Shuping. "Employment of dual frequency excitation method to improve the accuracy of an optical current sensor by measuring both current and temperature." [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-9766.

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Thomas, Daniel D. "High resolution optical time domain methods for measuring strain." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03242009-040449/.

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Cotter, Nicholas Paul Kyle. "Scattering matrix modelling of optical gratings." Thesis, University of Exeter, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300552.

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Books on the topic "Optical measuring method"

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Hanson, Clayton L. Measuring cover using the wheel-point, step-point, and point-frame sampling method. Agricultural Research Service, 1988.

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United States. National Aeronautics and Space Administration., ed. Dynamic method for measuring the non-linearities of photoelectric detectors. National Aeronautics and Space Administration, 1986.

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Method for Measuring Dynamic Tensile Strength of Optical Fiber. Global Engineering Documentation, 1991.

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The IES Testing Procedures Committee. ANSI/IES LM-84-22, Approved Method: Measuring Optical Radiation Maintenance of LED Lamps, Light Engines, and Luminaires. Illuminating Engineering Society, 2022.

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Method of Measuring Solar-Optical Properties of Materials (A S H R a E Standards, No 74-1988). Amer Society of Heating, 1989.

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Czitrovszky, Aladar. Optical Methods for Measuring Aerosol Particles. Wiley & Sons, Limited, John, 2030.

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National Aeronautics and Space Administration (NASA) Staff. Comparison of Three Methods for Measuring Distortion in Optical Windows. Independently Published, 2019.

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Furst, Eric M., and Todd M. Squires. Light scattering microrheology. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199655205.003.0005.

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The fundamentals and best practices of passive microrheology using dynamic light scattering and diffusing wave spectroscopy are discussed. The principles of light scattering are introduced and applied in both the single and multiple scattering regimes, including derivations of the light and field autocorrelation functions. Applications to high-frequency microrheology and polymer dynamics are presented, including inertial corrections. Methods to treat gels and other non-ergodic samples, including multi-speckle and optical mixing designs are discussed. Dynamic light scattering (DLS) is a well es
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Wright, A. G. Measurement of low light flux. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199565092.003.0007.

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There are three experimental methods for quantifying the flux of light incident on a photocathode: counting the anode output pulses initiated by photoelectrons—known as photon counting; measuring the DC current flowing at the anode—referred to as analogue detection, or charge integration; and determining the rms noise in the anode current—known as shot noise power detection. The statistical performances of the three methods, based on weighting factors, are compared, revealing the theoretical superiority of the photon-counting method. Optimal time allocation between signal and background measur
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(US), National Research Council, and Committee on Optical Science and Engineering. Harnessing Light: Optical Science and Engineering for the 21st Century, Overview. National Academies Press, 1998.

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Book chapters on the topic "Optical measuring method"

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Dannoura, Masako, Yuji Kominami, Naoki Makita, and Hiroyuki Oguma. "Flat Optical Scanner Method and Root Dynamics." In Measuring Roots. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22067-8_8.

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Schajer, Gary S., and Philip S. Whitehead. "Optical Techniques." In Hole-Drilling Method for Measuring Residual Stresses. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-031-79713-2_7.

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Naganuna, K., K. Mogi, and H. Yamada. "A New Method for Measuring Ultrashort Optical Pulses." In Ultrafast Phenomena VI. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83644-2_41.

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Yang, J., D. Rico, B. Augustine, G. E. Mawdsley, and M. J. Yaffe. "An optical method for measuring compressed breast thickness." In Digital Mammography. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-59327-7_134.

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Fridolin, I., J. Jerotskaja, K. Lauri, F. Uhlin, and M. Luman. "A New Optical Method for Measuring Creatinine Concentration During Dialysis." In XII Mediterranean Conference on Medical and Biological Engineering and Computing 2010. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13039-7_95.

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Thomas, Robert J. "Fundamental Principles, Method Development Optimization and Operational Requirements of ICP-Optical Emission." In Measuring Heavy Metal Contaminants in Cannabis and Hemp. CRC Press, 2020. http://dx.doi.org/10.1201/9781003004158-25.

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Zhu, Bo, Yong Zhu, Lin Lu, et al. "A Quick Method of Measuring the Transmission Time of Optical Fiber." In Lecture Notes in Electrical Engineering. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0940-2_62.

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Jerotskaja, J., F. Uhlin, M. Luman, K. Lauri, and I. Fridolin. "Improved Optical Method for Measuring Concentration of Uric Acid Removed during Dialysis." In XII Mediterranean Conference on Medical and Biological Engineering and Computing 2010. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13039-7_31.

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Jerotskaja, J., I. Fridolin, K. Lauri, and M. Luman. "An enhanced optical method for measuring concentration of uric acid removed during dialysis." In IFMBE Proceedings. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03885-3_3.

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Barron, John L., and Albert Liptay. "Evaluation of an Optical Flow Method for Measuring 2D and 3D Corn Seedling Growth." In Computational Imaging and Vision. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9538-4_15.

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Conference papers on the topic "Optical measuring method"

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Schwierskott, Michael, and Mark Berdovich. "Presenting a rapid, dry method for measuring particulate contamination on surfaces." In Optical Modeling and Performance Predictions XIV, edited by Mark A. Kahan and Catherine Merrill. SPIE, 2024. http://dx.doi.org/10.1117/12.3028243.

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junjie, su, Yihe Yin, Lihao Liu, Biao Hu, Xiaolin Liu, and Qifeng Yu. "A method for measuring urban road subsidence based on optical images." In International Conference on Optical and Photonic Engineering (icOPEN 2024), edited by Jianglei Di, Kemao Qian, Shijie Feng, et al. SPIE, 2025. https://doi.org/10.1117/12.3057737.

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Zhao, Junliang, Jidong Chen, and Song Qiao. "Optical method for measuring electric power." In Photonics China '96, edited by Frederick Y. Wu and Shenghua Ye. SPIE, 1996. http://dx.doi.org/10.1117/12.253092.

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Qi, Xinmin, Juning Zhou, Gongxin Yu, and Futai Zou. "Optical measuring method of rail wear." In Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, edited by FeiJun Song, Frank Chen, Michael Y. Y. Hung, and H. M. Shang. SPIE, 2000. http://dx.doi.org/10.1117/12.402638.

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Zhao, Junliang, Rongfeng Guan, and Yilu Wang. "Optical method for measuring electric current." In Photonics China '98, edited by Shenghua Ye. SPIE, 1998. http://dx.doi.org/10.1117/12.318352.

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Chen, Kun-Huang, Jing-Heng Chen, Kun-Tsan Chen, Her-Lin Chiueh, Jiun-You Lin, and Nung-Yu Wu. "A simple method for measuring the small displacements." In Optical Engineering + Applications, edited by Erik L. Novak, Wolfgang Osten, and Christophe Gorecki. SPIE, 2008. http://dx.doi.org/10.1117/12.798201.

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Cheng, Ter-Chin, Sheng-Nan Jiang, and Rang-Seng Chang. "Using moire method of measuring optical disks." In San Diego '92, edited by Robert E. Fischer and Warren J. Smith. SPIE, 1992. http://dx.doi.org/10.1117/12.130724.

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Hara, Shigeji, and Takashi Yoshizawa. "Measuring Method Of Optical Disk Mechanical Characteristics." In 30th Annual Technical Symposium, edited by Robert P. Freese, Albert A. Jamberdino, and Maarten R. de Haan. SPIE, 1987. http://dx.doi.org/10.1117/12.936813.

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Weiser, Sidney. "Scanning laser method for measuring surface morphology." In Optical Science, Engineering and Instrumentation '97, edited by Zu-Han Gu and Alexei A. Maradudin. SPIE, 1997. http://dx.doi.org/10.1117/12.287803.

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Yu, Caili. "Free-form surface measuring method based on optical theodolite measuring system." In 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), edited by Yudong Zhang, Libin Xiang, and Sandy To. SPIE, 2012. http://dx.doi.org/10.1117/12.971439.

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Reports on the topic "Optical measuring method"

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Paulson, Merle R., and Douglas R. Jensen. Demonstration of a Dual-Lidar Method for Measuring Optical Depths in the Vertical. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada210598.

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Ddiba, Daniel, Mahboubeh Rahmati Abkenar, and Carla Liera. Methods for Measuring Greenhouse Gas Emissions from Sanitation and Wastewater Management Systems: A Review of Method Features, Past Applications and Facilitating Factors for Researchers, Practitioners and Other Stakeholders. Stockholm Environment Institute, 2024. http://dx.doi.org/10.51414/sei2024.030.

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This report presents an analysis of seven categories of enclosure-based and open methods described previously, and discusses their applicability across different sanitation and wastewater management technologies and geographical contexts. The report’s findings, based on a scoping literature review and interviews with a selection of experts, highlight key methodological gaps and opportunities for innovation. The findings reveal the predominant use of enclosure-based methods, such as static and flow-through flux chambers, which, despite their widespread adoption, are constrained by scale limitat
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Corriveau, Elizabeth, Ashley Mossell, Holly VerMeulen, Samuel Beal, and Jay Clausen. The effectiveness of laser-induced breakdown spectroscopy (LIBS) as a quantitative tool for environmental characterization. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40263.

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Laser-induced breakdown spectroscopy (LIBS) is a rapid, low-cost analytical method with potential applications for quantitative analysis of soils for heavy metal contaminants found in military ranges. The Department of Defense (DoD), Army, and Department of Homeland Security (DHS) have mission requirements to acquire the ability to detect and identify chemicals of concern in the field. The quantitative potential of a commercial off-the-shelf (COTS) hand-held LIBS device and a classic laboratory bench-top LIBS system was examined by measuring heavy metals (antimony, tungsten, iron, lead, and zi
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Bobbitt, Jonathan. Optical-based spectroscopic methods for measuring chemical, optical, and physical properties of thin polymer waveguide films. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1417984.

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Svedeman. L51729 Gas Scrubber Performance Evaluation - Measurement Methods. Pipeline Research Council International, Inc. (PRCI), 1995. http://dx.doi.org/10.55274/r0010420.

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Scrubbers and separators are used in natural gas pipelines to remove solid and liquid materials from the gas stream. Failure to remove the entrained materials from the gas can result in equipment damage, increased pressure drop due to liquid accumulation, flow measurement errors, and corrosion. The performance of separators is rarely tested after a separator is installed because there is a lack of test instrumentation and it is difficult to conduct tests at the high pressures. The only indicators of poor separator performance are recurring problems in downstream equipment or the detection of a
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Hart, Carl R., and Gregory W. Lyons. A Measurement System for the Study of Nonlinear Propagation Through Arrays of Scatterers. Engineer Research and Development Center (U.S.), 2020. http://dx.doi.org/10.21079/11681/38621.

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Various experimental challenges exist in measuring the spatial and temporal field of a nonlinear acoustic pulse propagating through an array of scatterers. Probe interference and undesirable high-frequency response plague typical approaches with acoustic microphones, which are also limited to resolving the pressure field at a single position. Measurements made with optical methods do not have such drawbacks, and schlieren measurements are particularly well suited to measuring both the spatial and temporal evolution of nonlinear pulse propagation in an array of scatterers. Herein, a measurement
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Chen, J. M. Optically-Based Methods for Measuring Seasonal Variation of Leaf area Index in Boreal Conifer Stands. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/218392.

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Johnson, Derek, and Nigel Clark. PR-746-22204-R01 Review of Technologies to Enable In-situ Valve Service to Reduce Methane Emissions. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000058.

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Leaking gas industry valve stem seals are recognized as a substantial source of atmospheric methane, which is a greenhouse gas. Newly proposed regulations include methane alongside volatile organic compound emissions, with leak detection and repair requirements. If a leak is identified a first attempt at repair must occur no later than five calendar days after identification, or else be justifiably delayed. The objective of this report is to review valve technology and methods used to address in-situ valve stem leak repair that offers an economical solution with reduced service disruption. A w
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Chou, Roger, Tracy Dana, Azrah Y. Ahmed, et al. Long COVID Models of Care. Agency for Healthcare Research and Quality (AHRQ), 2024. http://dx.doi.org/10.23970/ahrqepctb45.

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Background. Long COVID is characterized by persistent, new, or relapsing symptoms following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. A standardized and reliable definition is needed to accurately identify patients with long COVID, and a number of models of care have been developed or proposed to provide the services needed to manage this complex condition. Purpose. The purpose of this Technical Brief is to summarize definitions of long COVID and describe what is known about long COVID models of care, including models currently in use, promising approaches, advant
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