Results 1 to 10 of about 1,125,734 (218)

A modified stochastic model for LS+AR hybrid method and its application in polar motion short-term prediction

open access: yesGeodesy and Geodynamics, 2023
Short-term (up to 30 days) predictions of Earth Rotation Parameters (ERPs) such as Polar Motion (PM: PMX and PMY) play an essential role in real-time applications related to high-precision reference frame conversion.
Fei Ye, Yunbin Yuan
doaj   +3 more sources

Quantitative Determination of Cd in Soil Using Laser-Induced Breakdown Spectroscopy in Air and Ar Conditions

open access: yesMolecules, 2018
Rapid detection of Cd content in soil is beneficial to the prevention of soil heavy metal pollution. In this study, we aimed at exploring the rapid quantitative detection ability of laser- induced breakdown spectroscopy (LIBS) under the conditions of air
Xiaodan Liu   +5 more
doaj   +3 more sources

In vitro coupled motions of the whole human thoracic and lumbar spine with rib cage

open access: yesJOR Spine, 2023
Study design In vitro biomechanical study investigating the coupled motions of the whole normative human thoracic spine (TS) and lumbar spine (LS) with rib cage.
Mattan R. Orbach   +3 more
doaj   +1 more source

Research on UT1-UTC and LOD Prediction Algorithm Based on Denoised EAM Dataset

open access: yesRemote Sensing, 2023
The components of EAM are strongly correlated with LOD and play an important role in UT1-UTC and LOD prediction. However, the EAM dataset is prone to be noisy.
Xishun Li   +8 more
doaj   +1 more source

Exploration of visual variable guidance in outdoor augmented reality geovisualization

open access: yesInternational Journal of Digital Earth, 2023
The visual perception of augmented reality (AR) geovisualization is significantly different from traditional controllable 2D and 3D visualization. In this study, we extended the rendering styles of color variables to include natural material color (NMC ...
Guoyong Zhang   +6 more
doaj   +1 more source

Improving the accuracy of polar motion prediction using a hybrid least squares and long short-term memory model

open access: yesEarth, Planets and Space, 2023
Earth rotation parameters (ERPs) are essential for transforming between the celestial and terrestrial reference frames, and for high-precision space navigation and positioning.
Chenxiang Wang, Pengfei Zhang
doaj   +1 more source

Middle- and Long-Term UT1-UTC Prediction Based on Constrained Polynomial Curve Fitting, Weighted Least Squares and Autoregressive Combination Model

open access: yesRemote Sensing, 2022
Universal time (UT1-UTC) is a key component of Earth orientation parameters (EOP), which is important for the study of monitoring the changes in the Earth’s rotation rate, climatic variation, and the characteristics of the Earth.
Yuguo Yang   +4 more
doaj   +1 more source

Randomized controlled trial of ragweed sublingual immunotherapy tablet in the subpopulation of Canadian children and adolescents with allergic rhinoconjunctivitis

open access: yesAllergy, Asthma & Clinical Immunology, 2021
Background Post hoc analyses of randomized placebo-controlled trials have demonstrated efficacy and tolerability of the ragweed sublingual immunotherapy (SLIT)-tablet in Canadian adults with ragweed pollen-induced allergic rhinitis/conjunctivitis (AR/C).
Anne K. Ellis   +3 more
doaj   +1 more source

Effect of Teriparatide on Bone Mineral Density and Bone Markers in Real-Life: Argentine Experience

open access: yesInternational Journal of Endocrinology, 2023
Purpose. To evaluate the effect of teriparatide (TPTD) on bone mineral density (BMD) and bone markers under clinical practice conditions. To assess whether the results in real-life match those published in clinical trials. Methods.
Rodolfo Guelman   +18 more
doaj   +1 more source

Relationship of septal flash with electromechanical dyssynchrony and super-response to cardiac resynchronization therapy [PDF]

open access: yesНаука и инновации в медицине, 2020
Objectives to identify a relationship of septal flash (SF) with a super-response to cardiac resynchronization therapy (CRT), apical rocking (AR) and signs of left bundle brunch block (LBBB) in patients with congestive heart failure (CHF). Material and
Nikita E. Shirokov   +5 more
doaj   +1 more source

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