Results 121 to 130 of about 421 (151)

Systematical characterization of Rab7 gene family in Gossypium and potential functions of GhRab7B3-A gene in drought tolerance. [PDF]

BMC Genomics
Yan M, Dong Z, Pan T, Li L, Zhou Z, Li W, Ke Z, Feng Z, Yu S.   +8 more
europepmc   +1 more source

Retrieval of refractivity fields from GNSS tropospheric delays: theoretical and data-based evaluation of collocation methods and comparisons with GNSS tomography. [PDF]

J Geod
Shehaj E, Geiger A, Rothacher M, Moeller G.   +3 more
europepmc   +1 more source

A brainstem-thalamocortical circuit mediates postoperative pain duration induced by sleep deprivation. [PDF]

Behav Brain Funct
Li L, Zhang H, Gao Y, Khan S, Wu F, Ren X, Zhang J, Bedane KH, Jian L, Zang W, Bai Q, Cao J.   +11 more
europepmc   +1 more source

A Two-Step Regional Ionospheric Modeling Approach for PPP-RTK. [PDF]

Sensors (Basel)
Xu Z, Cai C, Pan L, Dai W, He B.
europepmc   +1 more source

A complex case study: coexistence of multi-drug-resistant pulmonary tuberculosis, HBV-related liver failure, and disseminated cryptococcal infection in an AIDS patient. [PDF]

BMC Infect Dis
Fu W, Deng ZW, Wang P, Zhu ZW, Pu Y, Xie ZB, Li YZ, Yu HY.   +7 more
europepmc   +1 more source

Molecular mechanisms and multi-target therapeutic strategies of diabetic nephropathy: from pathogenesis to precision interventions. [PDF]

Front Pharmacol
Gong J, Fang X, Yao X, Xue F, Qi G, Chen B, Sun H.   +6 more
europepmc   +1 more source

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Establishment and assessment of a zenith wet delay (ZWD) augmentation model

GPS Solutions, 2021
The zenith wet delay (ZWD) accuracy is one of the most important factors affecting the convergence time and the positioning precision in precise point positioning processing. Taking into account the limitation of the empirical and blind ZWD models, the correlations between the ZWD and temperature and water vapor pressure at each point of the global 1o ×
Jiming Guo, Jingui Zou, Fei Yang
exaly   +2 more sources

The impact of second-order ionospheric delays on the ZWD estimation with GPS and BDS measurements

GPS Solutions, 2020
Since millimeter accuracy is required in many GNSS applications such as real-time zenith wet delay (ZWD) estimation, the higher-order ionospheric delays on GNSS signals are no longer negligible. We calculated the second-order ionospheric delays ($$I_{2}$$) and analyzed the impact on the ZWD estimation with GPS-only and combined GPS/BDS observations ...
Shaocheng Zhang, Guangxing Wang, Zhang Shaocheng   +2 more
exaly   +2 more sources

Reducing ZHD–ZWD mutual absorption errors for blind ZTD model users

Acta Geodaetica Et Geophysica, 2020
In precise point positioning (PPP), the zenith hydrostatic delay (ZHD) is traditionally treated as a priori value from the ZHD model but the zenith wet delay (ZWD) is treated as an unknown parameter to estimated. For some near real-time PPP tasks, priori ZHD from the blind ZHD models are often used because external meteorological measurement or ...
Maohua Ding
exaly   +2 more sources

Assessment of ZWD field predictions using the dynamic mode decomposition method

GPS Solutions
The existing water vapor present in the lower regions of the atmosphere plays a pivotal role in both weather forecasting and the propagation of signals in satellite-based observations. This parameter introduces a delay in GNSS observations, known as tropospheric wet delay.
Saeed Farzaneh, Ehsan Forootan, Farzaneh Saeed   +2 more
exaly   +3 more sources