نتایج جستجو برای: grab sampling
تعداد نتایج: 213607 فیلتر نتایج به سال:
The present study was intended to determine the concentrations of phenolic compounds in surface waters of Godavari canal by molecular spectrophotometry. Samples were collected from fifteen sampling stations using grab sampling method for a period of four months (from November to February) at 10 day intervals. Total phenols in water samples were determined using molecular spectrophotometry after...
This study reports on the occurrence and behaviour of six pesticides and one metabolite in a small stream draining a vineyard catchment. Base flow and flood events were monitored in order to assess the variability of pesticide concentrations according to the season and to evaluate the role of sampling frequency on the evaluation of fluxes estimates. Results showed that dissolved pesticide conce...
Computing the genetic relationship between two humans is important to studies in genetics, genomics, genealogy, and forensics. Relationship algorithms may be sensitive to noise, such as that arising from sequencing errors or imperfect reference genomes. We developed an algorithm for estimation of genetic relationship by averaged blocks (GRAB) that is designed for whole-genome sequencing (WGS) d...
Granzyme B (GraB) is required for the efficient activation of apoptosis by cytotoxic T lymphocytes and natural killer cells. We find that GraB and perforin induce severe mitochondrial perturbation as evidenced by the release of cytochrome c into the cytosol and suppression of transmembrane potential (Deltapsi). The earliest mitochondrial event was the release of cytochrome c, which occurred at ...
Grab bars are often prescribed to ensure safe and independent bathing and toileting. Studies have shown that seniors do not always use grab bars when they are present or are reluctant to install them due to the associated stigma. This study sought to determine if artificial intelligence could increase grab bar use by seniors and to determine the efficacy of different cues (auditory, visual, and...
This paper addresses the problem of reliable transmission of data through a sensor network. We focus on networks rapidly deployed in harsh environments. For these networks, important design requirements are fast data transmission and rapid network setup, as well as minimized energy consumption for increased network lifetime. We propose a novel broadcasting solution that accounts for the interfe...
The aim of this study was to compare the effects of grab rail position, orientation, and number of hands used on the kinetics of assisted sit-to-stand transfers. Participants were 12 able-bodied older adults between the ages of 69 and 88 years. While each one performed the sit-to-stand transfer, a motion analysis system with 9 cameras recording at 60 Hz tracked the 3-D trajectories of retrorefl...
In Wireless Sensor Network (WSN), the nodes have limitations in terms of energy-constraint, unreliable links, and frequent topology change. In this paper we propose an energy-aware routing protocol, that outperforms the existing ones with an enhanced network lifetime and more reliable data delivery. Major issues in the design of a routing strategy in wireless sensor networks are to make efficie...
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