Is it allowed to apply Kubelka Munk function (1-R)^2/2R to Vis diffuse reflectance spectra on a glass powder?

Reflectance spectra are performed on the plane surface of a compact glass powder disk (5 mm thickness). The glass particles can range from 20 to 100 micrometers. The instrument is a portable...

21 July 2020 4,577 2 View

Anybody has access to this reference?

Hi everyone! I am working nowadays with bird cervical vertebrae and I haven trying to find this reference for a while, but it has been imposible to me to do it. As it is an old research is quite...

21 January 2020 1,774 2 View

I need to do a top file or a prm file for Chlorogenic acid with an OPLSAA force field. Thus, how can I create these files?

I am trying to simulate the interaction between this acid and a protein, so I am following the steps of the protein-ligand Gromacs tutorial. However, I need a prm file to complete the complex...

27 November 2019 9,460 1 View

Is XRD the best technique to differentiate graphitic carbon from organic carbon and carbonates?

Hello. I am interested on graphite characterization. Is XRD the best technique to differentiate graphitic carbon from organic carbon and carbonates? Which other techniques can you suggest me? Can...

31 July 2018 6,416 4 View

Transformation of an angular variable?

Which transformation should I apply to an angular variable (i.e. slope of a landslide) in order to normalize it (like arcsin to percentages)? Even though ANOVA are robust to not normal...

27 February 2017 8,585 2 View

Post hoc test for a contingency table NxN?

When I run a contingency table NxN and I get a significant result with the chi-square test, is there a post-hoc test in SPSS to address the comparisons? Or should I run logistic...

27 February 2017 2,858 1 View

Could you please provide references concerning the regulation of plant life cycle?

Wisconsin fast plants (Brassica rapa) are the product of a breeding program developed for decades. They grow to full size in about 28-30 days. What has changed in them respect to their original...

13 April 2016 3,638 18 View

How to reorder factors on plotMeans using R commander?

I did a plotMeans to visualize the results of Kruskal-Wallis test between groups. But I need to reorder the levels of a factor because the default order is alphabetical and I want to show it in...

19 January 2016 949 3 View

Does proportion and percentage data, as CWM, need Hellinger transformation?

I have calculated one RDA analysis to taxa composition, and one to FFG composition using CWM method, vs environmental and spatial predictors. I understand that taxa abundances matrices need to...

15 January 2016 8,126 3 View

What prevents the matching of mRNA strands transcribed from dsDNA virus?

After the dsDNA nucleic acid enter the nucleus of the host cell it is transcribed from host DdRp II to form 2 strands of mRNA complementary to the 2 DNA strands of the virus nucleic acid. Does...

11 April 2015 367 2 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View