نتایج جستجو برای: spc
تعداد نتایج: 2212 فیلتر نتایج به سال:
Nearly 700 standard plate count (SPC) bacteria were isolated from drinking water and untreated surface water and identified according to a scheme developed to permit the rapid, simple classification of microorganisms to genus, species, or group. Actinomycetes and Aeromonas species were the two most common groups of SPC bacteria in chlorinated distribution water. Aeromonas spp. and Enterobacter ...
Analysis of spatiotemporal pattern correction using a computational model of the auditory periphery.
OBJECTIVES The purpose of this study was to determine the cause of poor experimental performance of a spatiotemporal pattern correction (SPC) scheme that has been proposed as a hearing aid algorithm and to determine contexts in which it may provide benefit. The SPC scheme is intended to compensate for altered phase response and group delay differences in the auditory nerve spiking patterns in i...
The need to determine the variables that help characterize the real water status of vineyards calls for further research aimed at testing current techniques for water status quantification, and particularly for the determination of leaf water potential (LWP). The Scholander Pressure Chamber (SPC) has been widely used and considered as the reference technique. Yet, the frequent use of thermocoup...
Gprotein–coupled receptors (GPCRs) activated by a wide variety of agonists can switch on myosin light chain phosphorylation and force in smooth muscle. The extent of myosin light chain phosphorylation reflects activity of both the Ca /calmodulin–dependent myosin light chain kinase (MLCK) and the myosin light chain phosphatase. Thus, at constant Ca and MLCK activity, processes that inhibit myosi...
BACKGROUND Two phase II clinical studies used an experimental, multi-chambered compression device with different cuff pressure combinations in subjects with leg edema and chronic venous insufficiency. The objective of each study was to evaluate the safety and the relative effects of different cuff pressure combinations to determine if edema reduction was dose-dependent. METHODS Each study enr...
In this paper, we analyze and evaluate the impacts of imperfect channel state information (CSI) short packet communication (SPC) in a non-orthogonal multiple access (NOMA) visible light (VLC) system. We consider downlink NOMA VLC system, which one emitting diode (LED) serves two single-photodiode users with estimation error. To end, derive closed-form expression for block error rate (BLER) CSI ...
Increasing experimental evidence has demonstrated that sphingolipids are likely to have an important regulatory function in the cardiovascular system. Two sphingolipids released from activated platelets, and therefore of particular relevance, are S1P (sphingosine 1-phosphate) and SPC (sphingosylphosphocholine). Both S1P and SPC can act as vasoconstrictors and may modulate VSMC (vascular smooth ...
This paper evaluates the performance of single-parity check turbo product codes (TPC/SPC) over partial response channels. A rate-0.94 and a rate-0.89 TPC/SPC code are considered for use with PR4/EPR4 channels with proper precoding and with turbo equalization. Gains of 4.5 to 5 dB are obtained at BER of 10 , revealing performance comparable to that of low density parity check codes. Apart from i...
ion using a standardised form. It has helped generate an overview of how SPC has been applied to healthcare QI with both breadth and depth—similar to the benefits of thematic analysis reported by investigators reviewing young people’s views on health and health behaviour. In conclusion, this review indicates how SPC has been applied to healthcare QI with substantial benefits to diverse stakehol...
Control charting is synonymous with statistical process control (SPC). However, the traditional control chart assumption of data independence is often violated in process industries. This problem has been analyzed and necessary modifications to the widely used SPC tools have been suggested. The performances of the modified estimators and proposed control schemes have also been studied, through ...
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