251 Hits in 3.9 sec

Heat transfer variation on protuberances and surface roughness elements

Robert C. Henry, R. J. Hansman, Kenneth S. Breuer
1995 Journal of thermophysics and heat transfer  
For the techniques: LDV offers the capability of three-component measure-first time a comparison of LDV and PIV data acquired in a windtunments, whereas PIV captures the unsteadyness of the flowfield,  ...  aerodynamic applications literature(9-11_. helicopter rotor model were performed by three component laser- The application of PIV to high speed air flows started approximately Doppler velocimetry (3D-LDV  ...  _,L.-_::4,,,,,-7 "," _,i _!  ... 
doi:10.2514/3.644 fatcat:pd5evir42jarvc36rykhnu7jse

Correlation Between Tenofovir Drug Levels and the Renal Biomarkers RBP-4 and ß2M in the ION-4 Study Cohort

Austin Chan, Lawrence Park, Lauren F Collins, Curtis Cooper, Michael Saag, Douglas Dieterich, Mark Sulkowski, Susanna Naggie
2019 Open Forum Infectious Diseases  
Concomitant dosing of ledipasvir (LDV) and tenofovir disoproxil fumarate (TDF) results in an increased tenofovir (TFV) area under the curve (AUC).  ...  ARV regimens containing TDF [6, 7] .  ...  alone, or in patients with CrCl <60 mL/min and/or other risk factors for renal dysfunction [7] .  ... 
doi:10.1093/ofid/ofy273 pmid:30697570 pmcid:PMC6344926 fatcat:uj2tzfz5xvdkri7ypdgmgcleeq

Non-contact measurement of facial surface vibration patterns during singing by scanning laser Doppler vibrometer

Tatsuya Kitamura, Keisuke Ohtani
2015 Frontiers in Psychology  
LDVs enable laser-based non-contact measurement of the vibration velocity and displacement of a certain point on a vibrating object, and scanning LDVs permit multipoint measurements.  ...  This paper presents a method of measuring the vibration patterns on facial surfaces by using a scanning laser Doppler vibrometer (LDV).  ...  The mean and standard deviation of their ages were 35 and 7, respectively. All of the participants were native Japanese speakers.  ... 
doi:10.3389/fpsyg.2015.01682 pmid:26579054 pmcid:PMC4631026 fatcat:leofe4umw5aehbqyxoy3mpi5ou

Velocity field of a lifting rotor blade in hover

1988 Journal of Aircraft  
Seeding Techniques The LDV measures the Doppler shift in light scattered by solid or liquid particles crossing the measurement volume.  ...  A TSI 9100-7 two-component LDV system is used with a 5-W argon ion laser. An 8.5 x beam expander facilitates mea- surements using lenses of focal lengths of 1500 and 2186 mm in backscatter.  ... 
doi:10.2514/3.45585 fatcat:6l4gwab5p5drnmvlcbsxvulq6m

Role of Integrin Alpha4 in Drug Resistance of Leukemia

Stephanie Shishido, Halvard Bönig, Yong-Mi Kim
2014 Frontiers in Oncology  
| 5 May 2014 | Volume 4 | Article 99 | 6 May 2014 | Volume 4 | Article 99 | 7 May 2014 | Volume 4 | Article 99 | 8 May 2014 | Volume 4 | Article 99 | 9 May 2014 | Volume 4 | Article  ...  phenylalanine Inhibit binding of alpha4 with receptors IVL745 Alpha4beta1 and 7 Asthma (90) Small molecule inhalant LDV, VCAM, and fibronectin CDP323 Alpha4beta1 and 7 MS (85, 86) Orally  ...  The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with  ... 
doi:10.3389/fonc.2014.00099 pmid:24904821 pmcid:PMC4033044 fatcat:vi3cwvzcwvfpnfrx7jjoxuqq4i

Seed particle dynamics in tip vortex flows

J. G. Leishman
1996 Journal of Aircraft  
However, LDV de- pends on signals produced by particles entrained into the flow that convect through a minute measurement volume as defined by pairs of interfering focused laser beams.  ...  The corresponding measured relative particle count (ratio of local particle count in each grid bin to total particle count) of seed that pass through the LDV measurement volume is shown in the lower part  ... 
doi:10.2514/3.47020 fatcat:mj3uz3lcgrab3j2ngsqadjzsiy

Party organizational change and ICTs: The growth of a virtual grassroots?

Rachel K. Gibson, Kevin Gillan, Fabienne Greffet, Benjamin J. Lee, Stephen Ward
2012 New Media & Society  
LDV also provides a membersonly discussion forum in addition to the public blog site.  ...  5.59 Median 8 7 3 5 7 6 Mode 8 7 0 6 8 8 n 119 120 120 120 120 118 Source: LDV User Survey 'How important are the following reasons for visiting the site?'  ... 
doi:10.1177/1461444812457329 fatcat:kvvlj5ymnvhhrku47fhsm2cj7a

Page 3 of International Pharmaceutical Abstracts Vol. 24, Issue 7 [page]

1987 International Pharmaceutical Abstracts  
Responsibility for directing the Center’s review of the Pharmacopeial Forum and 2 programs involving development and/or validation of compendial methods are also discussed. PauL R. WEBSTER  ...  An assessment of the relative roles of transient and steady state transport dynamics, the importance of accounting for finite distribution volumes and saturable binding, and the importance of convection  ... 

In situ Probe Microphone Measurement for Testing the Direct Acoustical Cochlear Stimulator

Christof Stieger, Yasser H. Alnufaily, Claudia Candreia, Marco D. Caversaccio, Andreas M. Arnold
2017 Frontiers in Neuroscience  
Intra-operative situation DACS actuator/ER-7C & LDV Figure 4 Frontiers in Neuroscience | August 2017 | Volume 11 | Article 450  ...  P EAC was measured with a probe microphone (ER-7, Etymotic Research, Elk Grove Village, Illinois).  ...  The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with  ... 
doi:10.3389/fnins.2017.00450 pmid:28860963 pmcid:PMC5559539 fatcat:3xv2a4wrpfadxfkd256pjaytym

Interdependence of Diffusion and Straining of Helicopter Blade Tip Vortices

Manikandan Ramasamy, J. Gordon Leishman
2004 Journal of Aircraft  
Alignment is critical for three-component LDV systems because it is geometric coincidence that determines the spatial resolution of the LDV probe volume.  ...  '* This tech- nique spatially filers the effective length of the LDV probe volume on all three channels.  ... 
doi:10.2514/1.3364 fatcat:4ltcdtthxbe4jl6puvomd57mn4

Embedded Laser Doppler Velocimetry Boundary-Layer Investigation on a Tilt-Rotor Blade

Charlie A. Barla, Eric C. Berton, Daniel Favier, Christian Maresca
2006 Journal of Aircraft  
The rotating transmitter Location of LDV Measurement 0.16 03-951 0 Arfoil section at r/R=0.3 Optics and Mirror of the LDV 0.32 Chord Station Measurement Fig. 2.  ...  The complete data set for chordwise V, and spanwise V, velocities has been gathered in Fig. 7 vs the normal distance to the wall z. Either a laminar (L) or turbulent (T) BL is denoted in Fig. 7.  ... 
doi:10.2514/1.15983 fatcat:vp7u6t5kj5c3bfbdoxhwwkqlzu

A tunnel study to validate motor vehicle emission prediction software in Australia

R. Smit, P. Kingston, D.H. Wainwright, R. Tooker
2017 Atmospheric Environment  
PIARC: LDV NOx, COPERT Australia: HDV PM2.5, LDV PM10, HDV CO, as is shown in Table 2. 367 The PIARC and COPERT Australia CO emission factors for LDVs are 81% higher and 48% lower, respectively, 368  ...  At night, traffic volumes in the tunnel are small 260 (Figure 2) and ratios are more affected by ambient ratios.  ... 
doi:10.1016/j.atmosenv.2016.12.014 fatcat:3qv5mdzedrbyfeexvygtnqwm74

Comparative Analysis of the Environmental Performance of Delivery Routes in the City Center and Peri-Urban Area of Madrid

Alessandra Boggio-Marzet, Andrés Monzón, Pablo Luque-Rodríguez, Daniel Álvarez-Mántaras
2021 Atmosphere  
The outputs set a basis for recommendations for using LDV only for delivery routes with less traffic interruptions and foster intermodal solutions.  ...  Based on a real-life case study, this research compares the environmental performance of different delivery routes carried out by Diesel Light-Duty Vehicles (LDV) according to delivery area, city center  ...  Figure 7 . 7 Comparison between energy efficiency proper for delivery micro-trips in the city center (A+B) or peri-urban (C+D) delivery area.  ... 
doi:10.3390/atmos12101233 fatcat:q6f5cqkbnvghdlrlrmkrcp3y3a

A New Approach in the Field of Hydrogen Gas Sensing Using MEMS Based 3C-SiC Microcantilevers

Priyadarshini Shanmugam, Luis Iglesias, Marc Portail, Isabelle Dufour, Dominique Certon, Daniel Alquier, Jean François Michaud
2022 Materials Science Forum  
To mention, H2 at concentrations between 4% and 75% in volume of air, is highly flammable.  ...  (InTech, 2015), p.33.[9] Information on Science Forum Vol. 1062  ... 
doi:10.4028/p-m048qs fatcat:pznrw22n7bcbxd7gapd3xc5f4q

Velocity measurements of airframe effects on a rotor in a low-speed forward flight

1989 Journal of Aircraft  
The results were used to move the measuring volume of the LDV remotely and to avoid obstructions in the beam paths.  ...  The measurement volume of the LDV was translated in three dimensions using a computer- controlled optical traverse system.  ... 
doi:10.2514/3.45766 fatcat:4f2vssfcnreszhbxgoiymlz3di
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