نتایج جستجو برای: cv method
تعداد نتایج: 1654918 فیلتر نتایج به سال:
Genomes of three strains (Parker, USSR, and 275/58) of coxsackievirus A7 (CV-A7) were amplified by the long reverse transcription (RT)-PCR method and sequenced. While the sequences of Parker and USSR were identical, the similarities of 275/58 to the CV-A7 reference sequence, accession no. AY421765, were 82.6% and 96.2% for nucleotides and amino acids, respectively.
The time response of an electrode incorporated into a fluidic channel to variations in analyte concentration of the outer-sphere redox probe ferrocenemethanol was investigated both for amperometry (AMP) and cyclic voltammetry (CV). The experimental data show that the temporal resolution of CV is not as good as that of AMP, as CV cannot properly detect fast concentration transients. The delayed ...
A disposable cyclic voltammetry (CV) tag is printed on a plastic film by integrating wireless power transmitter, polarized triangle wave generator, electrochemical cell and signage through a scalable gravure printing method. By proximity of 13.56 MHz RF reader, the printed CV tag generates 320 mHz of triangular sweep wave from +500 mV to -500 mV which enable to scan a printed electrochemical ce...
Cross-validation (CV) is often used to select the regularization parameter in high dimensional problems. However, when applied to the sparse modeling method Lasso, CV leads to models that are unstable in high-dimensions, and consequently not suited for reliable interpretation. In this paper, we propose a model-free criterion ESCV based on a new estimation stability (ES) metric and CV . Our prop...
Continuum modeling of two-dimensional curved fiber fields has suggested that fiber curvature modulates conduction velocity (CV) in the myocardium. To verify the existence of this effect in living tissue, we measured CV in macroscopically anisotropic monolayers of cultured neonatal rat ventricular myocytes with controlled fiber curvature. A novel growth-directing substrate was used to produce fi...
This paper compares two specific, rapid, functional methods for the measurement of fibrinogen. Both methods demonstrate a high degree of reproduceability (thrombin clotting time CV = 3.7 percent, clot density rate CV = 7.6 percent). Measurement of plasmas from 20 patients by both techniques showed excellent correlation between the two methods with a correlation coefficient of 0.93 by least squa...
The main objective of this study is to compare the productive performance and genetic relationships among three garlic genotypes which are common in Egyptian market. Cultivars with fewer cloves gave higher yields. Eggaseed-1 cv. and Sids-40 cv. produced between 9.7-11.9 ton/fed (fresh yield) and Egyptian cv. gave between 8.8-9.1 ton/fed (fresh yield) in both seasons of experiment. Simple sequen...
Cucumis melo fruit is highly valued for its sweet and refreshing flesh, however the flavour and value are also highly influenced by aroma as dictated by volatile organic compounds (VOCs). A simple and robust method of sampling VOCs on polydimethylsiloxane (PDMS) has been developed. Contrasting cultivars of C. melo subspecies melo were investigated at commercial maturity: three cultivars of var....
Crown imperial scattered according to soil structure and organic matter in Zagros regions in Ilam. This plant has been performed an important role in the beautification of environment, tourist attraction and providing of plant essential oils which are used for the production of medicines. The current research was carried out to evaluation spatial distribution pattern of Fritillaria imperialis i...
While there are variousmodel selectionmethods, an unanswered but important question is how to select one of them for data at hand. The difficulty is due to that the targeted behaviors of the model selection procedures depend heavily on uncheckable or difficult-to-check assumptions on the data generating process. Fortunately, cross-validation (CV) provides a general tool to solve this problem. I...
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