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Showing 1 to 20 of 434 for “"direct observation"”.
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The use of direct observation in functional behavior assessment
1 PDF file (138 leaves)
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Direct observation of Rydberg-Rydberg transitions via CPmmW spectroscopy
… transitions of BaF molecules have been directly observed in our lab. The key to the experimental success is our ability to combine two powerful and new technologies, Chirped-Pulse millimeter-Wave spectroscopy (CPmmW) and a buffer gas cooled molecular beam source. CPmmW spectroscopy is a …
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Direct Observation of Laser Filamentation in High-Order Harmonic Generation
… (or less) of the cell. We present the first direct evidence (to our knowledge) of laser filamentation under conditions ideal for high-order harmonic generation. The 30 fs, 4 mJ, laser pulses were observed to undergo double focusing within the gas cell, with about 4 cm separating the two foci. …
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Characterisation of fouling behaviour with direct observation technique for membrane bioreactor applications
… surface. The experimental approach using direct observation (DO) technique allows the visualisation of fouling deposition and removal from hollow fiber membrane in real time and in a non-invasive manner for model and real mixtures of particulates and macromolecules. Since the specific cake …
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Time Efficiency in Computer Assisted Direct Observation of Physical Activity using SOFIT
… to understanding physical activity patterns. Direct observation is a widely used technique for obtaining contextually rich data on physical activity levels in physical education classes. One major limitation of direct observation is that it is time intensive. The use of digital video editing …
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Direct observation of XPD helicase base-pair stepping and regulation by RPA2
Although it is known that single-stranded DNA binding proteins (SSB) can stimulate helicase activity, the mechanism by which this occurs may be more complex than sequestering ssDNA products of duplex separation. Here, we present a singlemolecule helicase assay with base-pair sensitivity, which …
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Structural Analysis of Family Dysfunction (Interaction, Interpersonal Assessment, Scapegoating, Direct Observation, Markov Analysis)
A central tenet of family systems theory has been that family members behave in a manner that maintains dysfunctional perceptions of other family members and of themselves. One of the key ways in which this tenet has been described is through the construct of scapegoating. This construct was …
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Revealing the transposable element dynamics driving evolutionary transitions through direct observation in live cells
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-12-01
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Direct observation of oil consumption mechanisms in a production spark ignition engine using fluorenscence techniques
Thesis (Nav. E.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1994, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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Direct observation of fast protein folding: Distinct nanosecond and microsecond events in the folding of apomyoglobin
… or native-like structure is exploited to observe directly collapse from a cold denatured state to a molten globule or compact, native-like state. Refolding is characterized by distinct nanosecond and microsecond phenomena (250 nanoseconds and 3.5 microseconds).
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Direct Observation of Nodal Quasiparticles In The Non-Magnetic Superconductors Y (LU) NI2B2C Via Field-Angle Dependent Heat Capacity
Submitted by Meng Tao (mengtao2@illinois.edu) on 2012-10-26T22:04:50Z No. of bitstreams: 1 Park.pdf: 2696883 bytes, checksum: 6ff229cbc1779fdf8a2c837b0f177b3b (MD5)
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Direct Observation of Nodal Quasiparticles in the Non-Magnetic Superconductors Yttrium(lutetium)nickel-Boron-Carbon Field-Angle Dependent Heat Capacity
… the presence of nodal quasiparticles should be directly observable through the variation of the heat capacity with the angle between a magnetic field and the location of the zeroes of the gap. The heat capacity of candidate non-magnetic unconventional superconductors YNi2B 2C and LuNi2B2C were …
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I. Direct observation of o-xylylene (o-quinodimethane) in solution, Dimerization kinetics of some o-quinodimethanes; II. Kinetic and product studies on the dimerization of [alpha]-methyl-substituted o-quinodimethanes; III. Direct observation of 1,2-napthoquinodimethane and 9,10-phenanthroquinodimethane, Dimerization kinetics of resonance-stabilized o-quinodimethanes
… (1) in solution. o-Xylylene (1) was observed directly in solution by UV-visible spectroscopy. Using stopped-flow UV-visible spectroscopy it was determined that the dimerization of 1 follows second-order kinetics with a rate constant of 9.94 (+OR-) 0.32 x 10('3) L mol('-1) sec('-1) at …
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Does direct observation of antiretroviral therapy improve outcomes for HIV/AIDS patients compared to non-observed therapy?: A systematic review and meta-analysis of randomized-controlled trials
Highly active antiretroviral therapy (HAART) has dramatically affected the course of HIV disease, resulting in a significant reduction in AIDS-related morbidity and mortality in both developed and developing countries.
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Objectively measured physical activity and sedentary behaviour in young children
… and the biaxial Actiwatch accelerometer against direct observation of total physical activity and minute-by-minute physical activity in 3-4 year olds. Methods: MTI/CSA-7164 and Actiwatch accelerometers simultaneously measured activity during 35-45 minute sessions of structured play in 78, 3-4 …
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The Influence of Direct Versus Indirect Observation, Candidate Report Format, and Assessor Training on the Accuracy of Assessor Ratings
… typically based on information obtained through direct observation of the candidate's performance in the situational exercise, or on another assessor's report of that performance. This variation is somewhat disconcerting, however, in that its impact on assessor ratings remains largely unstudied. …
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An Analysis of Sample Duration in a Parent Training Program.
… several guidelines are available for designing observational procedures in both basic and applied settings, few researchers have experimentally examined and compared different direct observation methods. Such methods may have a direct impact on practitioners' ability to effectively assess …
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