Results 41 to 50 of about 2,708,641 (362)

IntCal09 and Marine09 Radiocarbon Age Calibration Curves, 0–50,000 Years cal BP

Radiocarbon: An International Journal of Cosmogenic Isotope Research, 2009
The IntCal04 and Marine04 radiocarbon calibration curves have been updated from 12 cal kBP (cal kBP is here defined as thousands of calibrated years before AD 1950), and extended to 50 cal kBP, utilizing newly available data sets that meet the IntCal ...
P. J. Reimer, M. G. L. Baillie, E. Bard, A. Bayliss, J. Beck, P. G. Blackwell, C. Bronk, Ramsey, C. E. Buck, G. S. Burr, R. Edwards, M. Friedrich, P. M. Grootes, P. T., Guilderson, I. Hajdas, T. Heaton, A. G. Hogg, K. Hughen, K. F. Kaiser, B., Kromer, F. G. McCormac, S. W. Manning, R. Reimer, D. A. Richards, J. Southon, S., Talamo, C. Turney, J. Plicht, C. Weyhenmeyer   +31 more
semanticscholar   +1 more source

A PM1.0/2.5/10 Trichotomous Virtual Impactor Based Sampler: Design and Applied to Arid Southwest Aerosols—Part II: Application to Arid Southwest Aerosols

KONA Powder and Particle Journal, 2014
A PM1.0/2.5/10 Trichotomous sampler has been developed to determine if the particles in the saddle point between the coarse and fine particle modes (specifically the 1.0 μm to 2.5 μm size range) are primarily
Virgil Marple, Dale Lundgren, Bernard Olson   +2 more
doaj   +1 more source

Accurate Automation of Deadweight Force Standard Machine Based on Artificial Intelligent Model at NMCC-SASO-KSA [PDF]

EPJ Web of Conferences
Accurate force measurements are critical in a various fields including metrology, material testing, and quality control. In this study, we propose an automated process for precise force measurements using Dead weight standard machines up to 1kN.
AlGhamdi Hamad A., Binown Abdulelah A., AlMatrawi Ahmed A.   +2 more
doaj   +1 more source

Calibration of the Computer Science and Applications, Inc. accelerometer.

Medicine & Science in Sports & Exercise, 1998
PURPOSE We established accelerometer count ranges for the Computer Science and Applications, Inc. (CSA) activity monitor corresponding to commonly employed MET categories.
P. Freedson, E. Melanson, J. Sirard
semanticscholar   +1 more source

Establishment of AC-DC transfer standard at SASO-NMCC [PDF]

EPJ Web of Conferences
This paper documents the achievements of traceability and the technical evaluation of the newly established AC-DC Difference calibration service for AC voltage measurements at the NMCC, KSA.
Alrobaish Abdullah, Aljomaie Ahmed
doaj   +1 more source

Quasi-continuous time-stretched photon Doppler velocimetry

Frontiers in Physics, 2022
In transient high-speed scenes such as chemical explosions, magnetic compression, electric explosion, and laser-driven flyer, the target object can accelerate from 0 to tens of km/s in a few nanoseconds. The time-stretched photon Doppler velocimetry uses
Linjie Lv, Linjie Lv, Yongjun Yang, Tengfei Wu, Jibo Han, Jibo Han, Pengmou Ma, Xiangmiao Chen, Abdul Qayyum Khan   +8 more
doaj   +1 more source

An extended time series (2000–2018) of global NPP-VIIRS-like nighttime light data from a cross-sensor calibration

Earth System Science Data, 2020
. The nighttime light (NTL) satellite data have been widely used to investigate the urbanization process. The Defense Meteorological Satellite Program Operational Linescan System (DMSP-OLS) stable nighttime light data and Suomi National Polar-orbiting ...
Zuoqi Chen, Bailang Yu, Chengshu Yang, Yuyu Zhou, S. Yao, Xingjian Qian, Congxiao Wang, Bin Wu, Jianping Wu   +8 more
semanticscholar   +1 more source

First M87 Event Horizon Telescope Results. III. Data Processing and Calibration [PDF]

Astrophysical Journal, 2019
We present the calibration and reduction of Event Horizon Telescope (EHT) 1.3 mm radio wavelength observations of the supermassive black hole candidate at the center of the radio galaxy M87 and the quasar 3C 279, taken during the 2017 April 5–11 ...
Kazunori Akiyama, A. Alberdi, W. Alef, K. Asada, R. Azulay, A. Baczko, D. Ball, M. Baloković, J. Barrett, D. Bintley, L. Blackburn, W. Boland, K. Bouman, G. Bower, M. Bremer, C. Brinkerink, R. Brissenden, S. Britzen, A. Broderick, D. Broguiere, T. Bronzwaer, D. Byun, J. Carlstrom, A. Chael, Chi-kwan Chan, S. Chatterjee, K. Chatterjee, Ming-Tang Chen, Yongjun Chen, I. Cho, P. Christian, J. Conway, J. Cordes, G. Crew, Yuzhu Cui, J. Davelaar, M. De Laurentis, R. Deane, J. Dempsey, G. Desvignes, J. Dexter, S. Doeleman, R. Eatough, H. Falcke, V. Fish, E. Fomalont, R. Fraga-Encinas, P. Friberg, C. Fromm, J. L. Gómez, P. Galison, C. Gammie, Roberto García, O. Gentaz, B. Georgiev, C. Goddi, R. Gold, Minfeng Gu, M. Gurwell, K. Hada, M. Hecht, R. Hesper, L. C. Ho, P. Ho, M. Honma, Chih-Wei L. Huang, Lei Huang, David H. Hughes, S. Ikeda, Makoto Inoue, S. Issaoun, D. J. James, B. Jannuzi, M. Janssen, B. Jeter, Wu Jiang, Michael D. Johnson, S. Jorstad, T. Jung, M. Karami, R. Karuppusamy, T. Kawashima, G. Keating, M. Kettenis, Jae-Young Kim, Junhan Kim, Jongsoo Kim, M. Kino, J. Koay, P. M. Koch, S. Koyama, Michael Kramer, C. Kramer, T. Krichbaum, C. Kuo, T. Lauer, Sang-Sung Lee, Yan-Rong Li, Zhi-Yun Li, M. Lindqvist, Kuo Liu, E. Liuzzo, Wen-Ping Lo, A. Lobanov, L. Loinard, C. Lonsdale, Ruohan Lu, N. MacDonald, J. Mao, S. Markoff, D. Marrone, A. Marscher, I. Martí-Vidal, S. Matsushita, L. Matthews, L. Medeiros, K. Menten, Y. Mizuno, I. Mizuno, J. M. Moran, K. Moriyama, M. Mościbrodzka, C. Müller, H. Nagai, N. Nagar, M. Nakamura, Ramesh Narayan, G. Narayanan, I. Natarajan, R. Neri, C. Ni, A. Noutsos, H. Okino, H. Olivares, G. Ortiz-Léon, T. Oyama, F. Özel, D. Palumbo, N. Patel, U. Pen, D. Pesce, Vincent Piétu, R. Plambeck, A. PopStefanija, O. Porth, B. Prather, J. A. Preciado-López, D. Psaltis, Hung-Yi Pu, V. Ramakrishnan, R. Rao, M. Rawlings, A. Raymond, L. Rezzolla, B. Ripperda, F. Roelofs, Alan Rogers, Eduardo Ros, M. Rose, A. Roshanineshat, H. Rottmann, A. Roy, C. Ruszczyk, B. Ryan, K. Rygl, Salvador Sánchez, D. Sánchez-Arguelles, M. Sasada, T. Savolainen, F. Schloerb, Karl-Friedrich Schuster, Lijing Shao, Zhiqiang Shen, D. Small, B. Sohn, J. SooHoo, F. Tazaki, P. Tiede, R. Tilanus, M. Titus, K. Toma, P. Torne, T. Trent, S. Trippe, Shuichiro Tsuda, I. van Bemmel, H. V. van Langevelde, D. V. van Rossum, J. Wagner, J. Wardle, J. Weintroub, N. Wex, R. Wharton, M. Wielgus, G. Wong, Qingwen Wu, A. Young, K. Young, Z. Younsi, F. Yuan, Ye-Fei Yuan, J. A. Zensus, Guangyao Zhao, Shanwei Zhao, Ziyan Zhu, R. Cappallo, J. Farah, T. Folkers, Z. Meyer-Zhao, D. Michalik, A. Nadolski, H. Nishioka, N. Pradel, R. Primiani, K. Souccar, L. Vertatschitsch, P. Yamaguchi   +216 more
semanticscholar   +1 more source

A Remotely Controlled Calibrator for Chemical Pollutant Measuring-Units [PDF]

, 2007
The increasing diffusion of pollutant measuring units, which are installed over wide areas, along with the short calibration interval of several sensors for pollutant quantities, requires new calibration infrastructures to be developed.
Carullo, Alessio, Corbellini, Simone, Grassini, Sabrina   +2 more
core   +1 more source

FY-3G Satellite Instruments and Precipitation Products: First Report of China’s Fengyun Rainfall Mission In-Orbit

Journal of Remote Sensing, 2023
Precipitation is one of the most important parameters in Earth system but is hard to measure. China began to develop satellites dedicated to precipitation measurements in the second generation of the FengYun polar-orbiting meteorological satellite ...
Peng Zhang, Songyan Gu, Lin Chen, Jian Shang, Manyun Lin, Aijun Zhu, Honggang Yin, Qiong Wu, Yixuan Shou, Fenglin Sun, Hanlie Xu, Guanglin Yang, Haofei Wang, Lu Li, HongWei Zhang, Sijie Chen, Naimeng Lu   +16 more
doaj   +1 more source