scholarly journals Analysis of the Creep and the Influence on the Modulus Improvement Factor (MIF) in Polyolefin Geocells Using the Stepped Isothermal Method

2020 ◽  
Author(s):  
Juan Carlos Ruge ◽  
Julian Gonzalo Gomez ◽  
Carlos Andres Moreno
Keyword(s):  
Isothermal Method ◽  
Improvement Factor

Microspectroscopy Using a Solid Immersion Lens

2001 ◽  
Vol 7 (S2) ◽  
pp. 148-149
Author(s):  
C.D. Poweleit ◽  
J Menéndez
Keyword(s):  
Spatial Resolution ◽  
Focal Plane ◽  
Numerical Aperture ◽  
Normal Incidence ◽  
Spot Size ◽  
Index Of Refraction ◽  
Objective Lens ◽  
Improvement Factor ◽  
Oil Immersion ◽  
Long Time

Oil immersion lenses have been used in optical microscopy for a long time. The light’s wavelength is decreased by the oil’s index of refraction n and this reduces the minimum spot size. Additionally, the oil medium allows a larger collection angle, thereby increasing the numerical aperture. The SIL is based on the same principle, but offers more flexibility because the higher index material is solid. in particular, SILs can be deployed in cryogenic environments. Using a hemispherical glass the spatial resolution is improved by a factor n with respect to the resolution obtained with the microscope’s objective lens alone. The improvement factor is equal to n2 for truncated spheres.As shown in Fig. 1, the hemisphere SIL is in contact with the sample and does not affect the position of the focal plane. The focused rays from the objective strike the lens at normal incidence, so that no refraction takes place.

Pre-Processing of Hyperspectral Images Using Nonlinear Filters

2013 ◽  
Vol 11 (1) ◽  
pp. 8-13
Author(s):  
V. Behar ◽  
V. Bogdanova
Keyword(s):  
Signal To Noise Ratio ◽  
Correlation Coefficients ◽  
Hyperspectral Images ◽  
Spectral Correlation ◽  
Edge Preserving ◽  
Improvement Factor ◽  
Filter Output ◽  
Average Improvement ◽  
Processing Procedure

Abstract In this paper the use of a set of nonlinear edge-preserving filters is proposed as a pre-processing stage with the purpose to improve the quality of hyperspectral images before object detection. The capability of each nonlinear filter to improve images, corrupted by spatially and spectrally correlated Gaussian noise, is evaluated in terms of the average Improvement factor in the Peak Signal to Noise Ratio (IPSNR), estimated at the filter output. The simulation results demonstrate that this pre-processing procedure is efficient only in case the spatial and spectral correlation coefficients of noise do not exceed the value of 0.6

Study of the thermal behavior of the transition phase of Co(II)–diclofenac compound by non-isothermal method

2010 ◽  
Vol 105 (2) ◽  
pp. 467-471 ◽  
Author(s):  
Marcelo Kobelnik ◽  
Clóvis A. Ribeiro ◽  
Diógenes dos Santos Dias ◽  
Sonia de Almeida ◽  
Marisa Spirandeli Crespi ◽  
...  
Keyword(s):  
Thermal Behavior ◽  
Transition Phase ◽  
Isothermal Method

Characteristic and Kinetics of Oxidation of Coke by CO2Based on Isothermal Method

2015 ◽  
pp. 619-626
Author(s):  
Jian Guo ◽  
Jianliang Zhang ◽  
Guangwei Wang ◽  
Weiwei Geng ◽  
Changle Zheng ◽  
...  
Keyword(s):  
Isothermal Method ◽  
Kinetics Of Oxidation ◽  
Kinetics Of

scholarly journals Ratio improved adaptive systems moving target autoregressive type

2015 ◽  
pp. 88-92
Author(s):  
V. G. Bartenev ◽  
M. V. Bartenev ◽  
V. K. Bityukov
Keyword(s):  
Comparative Analysis ◽  
Correlation Matrix ◽  
Adaptive Systems ◽  
Matrix Inversion ◽  
Ar Model ◽  
Moving Target ◽  
Correlated Noise ◽  
Weight Factor ◽  
Improvement Factor

The comparative analysis of the effectiveness of methods for implementing adaptive systems moving target based on autoregression approach. AR model correlated noise can effectively deal with clutter, without resorting to the algorithm based on the correlation matrix inversion. Considered several methods of weight factor of adaptive systems moving target, which is used as the coefficients of the autoregression. One of the main parameters that determine the effectiveness of the systems being compared, is the improvement factor, which was used in this study.

scholarly journals Simple and Visible Detection of Novel Astroviruses Causing Fatal Gout in Goslings Using One-Step Reverse Transcription Polymerase Spiral Reaction Method

2020 ◽  
Vol 7 ◽  
Author(s):  
Jun Ji ◽  
Qinxi Chen ◽  
Zhengli Yu ◽  
Xin Xu ◽  
Xinhao Mu ◽  
...  
Keyword(s):  
Reverse Transcription ◽  
Cost Effective ◽  
Pcr Primers ◽  
Probit Regression ◽  
Conventional Pcr ◽  
Specific Detection ◽  
Isothermal Method ◽  
Naked Eye ◽  
One Step ◽  
The One

In this study, a one-step isothermal method combining polymerase spiral reaction (PSR) with reverse transcription (RT-PSR) was established for rapid and specific detection of novel astroviruses causing fatal gout in goslings (N-GoAstV). The one-step RT-PSR was accomplished at the optimal temperature of 62°C and time of 40 min and used primers simply designed as conventional PCR primers, and the results of detection were visible to the naked eye. The detection limit of PSR was above 34.7 copies/μL at a 95% probability level according to probit regression analysis. The assay specifically detected N-GoAstV, and no other reference viruses were detected. These results suggest that the newly established RT-PSR assay could, in one step, accomplish reverse-transcription, amplification, and result determination providing a visible, convenient, rapid, and cost-effective test that can be carried out onsite, in order to ensure timely quarantine of N-GoAstV-infected birds, leading to effective disease control.

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