نتایج جستجو برای: relative precision

تعداد نتایج: 494352  

Journal: :Orphanet Journal of Rare Diseases 2021

Abstract Background Diagnostic precision and the identification of rare diseases is a daily challenge, which needs specialized expertise. We hypothesized, that there correlation between distance residence to next tertiary medical facility with highly care diagnostic precision, especially for diseases. Results Using nation-wide hospitalization database, we found negative association diversity tr...

Journal: :international journal of advanced biological and biomedical research 2015
mohammad reza yousefi ayat mohammad razdari

agriculture is a complex system science and the knowledge of it is consisting of much concepts and relationships. examinations in connection with site-specific farming have been carried out by our institute since 1998. precision farming is a way of agricultural production, which takes into account the in-field variability, a technology where the application-seeding, nutrient replacement, sprayi...

2008
Aleksey Tetenov

It has become widely recognized that many types of statistical data only partially identify the parameters of interest as simple as population means, meaning that the parameters cannot be estimated with arbitrary precision simply by increasing the sample size. Statisticians designing surveys and experiments which generate such data could use limited resources either to reduce the extent of part...

The method has been developed and validated for the determination of hydroquinone in liposomal formulation. The samples were dissolved in methanol and evaluated in 293 nm. The validation parameters such as linearity, accuracy, precision, specificity, limit of detection (LOD) and limit of quantitation (LOQ) were determined. The calibration curve was linear in 1-50 µg /mL range of hydroquinone an...

In this study, an easy, fast, sensitive and accurate technique has been described for extraction and quantitative analysis of fluoxetine and propafenone using off-line coupling of ionic liquid–based dispersive liquid–liquid micro-extraction with high performance liquid chromatography. The effective extraction variables including: the ionic liquid volume, the type and volume of dispersive solven...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2014
sana berijani golnar ahmadi

in this work, an environmentally friendly sample pre-treatment method, ultrasound assisted surfactant enhanced emulsification microextraction (uaseme) followed with spectrofluorimetry was performed for determination of oxadiazon residues in water samples. after the determination of the most suitable extraction solvent and its volume, other parameters such as type and concentration of surfactant...

Journal: :international journal of advanced biological and biomedical research 2014
mohammad reza yousefi ayat mohammad razdari

agriculture is a complex system science and the knowledge of it is consisting of much concepts and relationships. examinations in connection with site-specific farming have been carried out by our institute since 1998. precision farming is a way of agricultural production, which takes into account the in-field variability, a technology where the application-seeding, nutrient replacement, sprayi...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2014
M Dacke Basil el Jundi Jochen Smolka Marcus Byrne Emily Baird

Recent research has focused on the different types of compass cues available to ball-rolling beetles for orientation, but little is known about the relative precision of each of these cues and how they interact. In this study, we find that the absolute orientation error of the celestial compass of the day-active dung beetle Scarabaeus lamarcki doubles from 16° at solar elevations below 60° to a...

2013
Weiming XU Xiaodong YIN Zhuzi HE Tianyang LIU

Many applications of wireless sensor network require precise knowledge of the locations of nodes. Conventional sparse wireless sensor network, which is formed by a restricted number of nodes, has two drawbacks, i.e., low connective ratio and hop count limited, which probably cause the network link failure and/or low locating performance. To improve the relative position precision and reliabilit...

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