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7 papers found.
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Multi-GNSS precise point positioning for precision agriculture

The main objective of this research was to examine the feasibility of Multi-GNSS precise point positioning (PPP) in precision agriculture (PA) through a series of experiments with different working modes (i.e. stationary and moving) under different observation conditions (e.g. open sky, with buildings or with canopy). For the stationary test carried out in open space in the UK...

Reproducibility of Intra- and Inter-scanner Measurements of Liver Fat Using Complex Confounder-corrected Chemical Shift Encoded MRI at 3.0 Tesla

• Google ScholarSearch for Zhenhong Li in:Nature Research journals • PubMed • Google ScholarSearch for Yonghua Zhao in:Nature Research journals • PubMed • Google ScholarSearch for Mingmei Ge in:Nature

Estimation of Large Scalings in Images Based on Multilayer Pseudopolar Fractional Fourier Transform

Computer and Information Science, University of Macau, Avenue Padre Tomás Pereira, Taipa, Macau Received 20 January 2013; Accepted 28 April 2013 Academic Editor: Hai-lin Liu Copyright © 2013 Zhenhong Li

Dose-Response Modeling of Etoposide-Induced DNA Damage Response

The 2007 National Research Council Report “Toxicity Testing in the 21st Century: A Vision and A Strategy” recommended an integrated, toxicity pathway–oriented approach for chemical testing. As an integral component of the recommendation, computational dose-response modeling of toxicity pathways promises to provide mechanistic interpretation and prediction of adverse cellular...

SHRIMP U-Pb zircon dating of the Ordos Basin basement and its tectonic significance

SHRIMP U-Pb zircon 207Pb/206Pb ages were obtained from two drill cores from the basement of the Ordos Basin. A garnet-sillimanite-biotite-plagioclase gneiss (QI1-1) from the western Ordos Basin basement yielded an average age of 2031±10 Ma. Based on the mineral assemblages, the source material of the gneiss is speculated to be pelitic-felsic system. A gneissic two-mica granite...

A computational model of the hypothalamic - pituitary - gonadal axis in female fathead minnows (Pimephales promelas) exposed to 17α-ethynylestradiol and 17β-trenbolone

Background Endocrine disrupting chemicals (e.g., estrogens, androgens and their mimics) are known to affect reproduction in fish. 17α-ethynylestradiol is a synthetic estrogen used in birth control pills. 17β-trenbolone is a relatively stable metabolite of trenbolone acetate, a synthetic androgen used as a growth promoter in livestock. Both 17α-ethynylestradiol and 17β-trenbolone...

A Computational Model of the Hypothalamic-Pituitary-Gonadal Axis in Male Fathead Minnows Exposed to 17α-Ethinylestradiol and 17β-Estradiol

Estrogenic chemicals in the aquatic environment have been shown to cause a variety of reproductive anomalies in fish including full sex reversal, intersex, and altered population sex ratios. Two estrogens found in the aquatic environment, 17α-ethinylestradiol (EE2) and 17β-estradiol (E2), have been measured in wastewater treatment effluents and have been shown to cause adverse...