Results 71 to 80 of about 221,487 (235)

Determination of tropospheric refraction over observation points IRKM (Irkutsk), ULAZ (Ulan-Ude) and BADG (Badary)

Геодинамика и тектонофизика, 2018
The article describes the possibility of using the passive satellite measurements of the atmosphere to investigate the vertical patterns of pressure, temperature and relative humidity and simulate the altitude dependence of the refractive index of air ...
M. G. Dembelov, O. F. Lukhneva, A. V. Lukhnev   +2 more
doaj   +1 more source

A Precise Distance to IRAS 00420+5530 via H2O Maser Parallax with the VLBA

, 2009
We have used the VLBA to measure the annual parallax of the H2O masers in the star-forming region IRAS 00420+5530. This measurement yields a direct distance estimate of 2.17 +/- 0.05 kpc (
Brand, Brand, Brisken, Chatterjee, G. A. Moellenbrock, Hachisuka, Kerr, M. J. Claussen, Ma, Molinari, Molinari, Neckel, Reid, Reid, Reid, Sato, Shepherd, van Langevelde, W. M. Goss, Zhang   +19 more
core   +2 more sources

Intercropping mitigates incidence of the oilseed rape insect pest complex

Pest Management Science, EarlyView.
Intercropping reduces the incidence of the oilseed rape insect pest complex with a significant impact of the direct visual and physical disruption provided by the companion plant. Abstract BACKGROUND Oilseed rape (OSR, Brassica napus) is a major crop requiring numerous phytosanitary treatments.
Laurie Magnin, Ivan Hiltpold, Alexandra Jullien, Alice Baux   +3 more
wiley   +1 more source

Characteristics and Effects of Ground-Based GNSS Zenith Total Delay Observation Errors in the Convective-Scale Model

Journal of the Meteorological Society of Japan. Ser. II, 2019
In this study, we evaluated the impacts of the revised observation error on ground-based global navigation satellite system (GNSS) zenith total delay (ZTD) data in the data-assimilation system of the Korea Meteorological Administration’s 1.5 km ...
Eun-Hee Kim, Eunhee Lee, Seung-Woo Lee, Yong Hee Lee   +3 more
semanticscholar   +1 more source

The Hydrogen Epoch of Reionization Array Dish I: Beam Pattern Measurements and Science Implications

, 2016
The Hydrogen Epoch of Reionization Array (HERA) is a radio interferometer aiming to detect the power spectrum of 21 cm fluctuations from neutral hydrogen from the Epoch of Reionization (EOR).
Aguirre, James E., Ali, Zaki S., Bowman, Judd, Bradley, Richard F., Cheng, Carina, DeBoer, David R., Dickenson, Roger, Dillon, Joshua S., Doolittle, Phillip, Egan, Dennis, Ewall-Wice, Aaron, Hedrick, Mike, Hewitt, Jacqueline N., Jacobs, Daniel C., Klima, Patricia J., Kohn, Saul A., Moodley, Kavilan, Neben, Abraham R., Parsons, Aaron R., Patra, Nipanjana, Saliwanchik, Benjamin R. B., Schaffner, Patrick, Shelton, John, Taylor, H. A., Taylor, Rusty, Tegmark, Max, Thyagarajan, Nithyanandan, Wirt, Butch, Zheng, Haoxuan   +28 more
core   +1 more source

Near-infrared integral-field spectroscopy of HD209458b [PDF]

, 2006
We present first results of an exploratory study to use integral field spectroscopy to observe extrasolar planets. We focus on transiting "Hot Jupiters" and emphasize the importance of observing strategy and exact timing.
Angerhausen, Daniel, Iserlohe, Christof, Krabbe, Alfred   +2 more
core   +2 more sources

Effect of GPS tropospheric delay Neill mapping function simplification [PDF]

, 2009
The mathematical modeling on the mapping function models should be revised and also simplified to improve the calculation of the GPS tropospheric delay.
Abu Bakar, Mohd Rizam, Matori, Abd. Nasir, Md Noorani, Mohd Salmi, Mohamed Shariff, Abdul Rashid, Mohamed, Azhari, Sakidin, Hamzah   +5 more
core  

Implant Placement and Immediate Provisionalization After Alveolar Ridge Reconstruction in the Aesthetic Zone Using a Digital Workflow: A 1‐Year Prospective Case Series Study

Clinical Oral Implants Research, EarlyView.
ABSTRACT Introduction In single‐tooth replacement in the aesthetic zone, extensive bone defects require alveolar ridge reconstruction. A digital workflow involving CBCT and intraoral optical scanning enables a three‐dimensional assessment, prosthetically driven implant positioning, computer‐assisted implant surgery, and prefabrication of a temporary ...
Vincent J. J. Donker, Henny J. A. Meijer, Arjan Vissink, Gerry M. Raghoebar   +3 more
wiley   +1 more source

A New Method for Estimating Tropospheric Zenith Wet-Component Delay of GNSS Signals from Surface Meteorology Data

Remote Sensing, 2020
A new concept is proposed for estimating the zenith wet delay (ZWD) and atmospheric weighted average temperature by inputting the temperature, total pressure, and specific humidity from surface weather data.
Pengfei Xia, Jingchao Xia, Shirong Ye, Caijun Xu   +3 more
doaj   +1 more source

The TIANSHAN Radio Experiment for Neutrino Detection

, 2010
An antenna array devoted to the autonomous radio-detection of high energy cosmic rays is being deployed on the site of the 21 cm array radio telescope in XinJiang, China.
Abraham, Allan, Allan, Apel, Ardouin, Ardouin, Ardouin, Ardouin, Askaryan, Barwick, Bertou, Blümer, Brusova, C. Cârloganu, Carloganu, D. Ardouin, D. Charrier, Falcke, Farebrother, Frichter, Furlanetto, Gora, Gorham, Gorham, Gusev, H. Hu, Horneffer, Huege, Huege, J. Zhang, Kotz, L. Kai, Lamblin, M. Zhao, O. Martineau-Huynh, O. Ravel, P. Lautridou, Q. Gou, Ruben, T. Saugrin, V. Niess, X. Wu, Y. Zhang, Y. Zheng, Zas, Zas, Zheleznykh   +46 more
core   +5 more sources