How to compare two images obtained from optical microscope?

What program can I use to evaluate two images from an optical microscope, e.g., before and after methylene blue staining. I would like to quantify the degree of staining of cells with a dye....

14 December 2020 9,223 2 View

What is the chemical composition of Cucumis melo roots?

I have found an old pharmaceutical research from 1833 in which emetic power of Cucumis melo roots was confirmed. I cannot find data about chemical constituents of the Cucumis melo roots. Their...

30 October 2020 3,633 3 View

Can I use two different randomly chosen samples to make binary logistic regression and present it in the journal research paper ?

R programming language I am considering if is it appropriate to use two different randomly chosen samples coming from one huge database to proceed two logistic regressions separately on the same...

21 July 2020 3,737 5 View

Does anyone have any materials in this topic: Reverse Vending Machines RVMs?/plastic recycling system?

Hello there! I'm trying to write an article about reverse vending machines systems. I would like to deepen the study with statistics and international comparisons or reports. Does anyone have any...

20 May 2019 5,389 2 View

How to model PV system using the weather data from NASA POWER project?

I am trying to evaluate solar (PV) potential for various areas in the world with use of daily data. The NASA POWER tool (https://power.larc.nasa.gov/data-access-viewer/) which I consider using,...

01 January 2019 1,773 1 View

How can I model a graphene layers (films) in Sentaurus TCAD?

I know that the similar topic was discussed on this forum. Unfortunately, link with solution is inactive. So, maybe anybody of you have information about graphene from this link...

11 January 2017 1,476 3 View

Why is it so that 99% of soil bacterial strains cannot be culture-grown in the lab?

The recent success of teixobactin by Lewis and Epstein (of Northeastern/Boston) was brought by their ability to tap into the "unculturable" bacterial strains. Turns out 99% of strains have been...

07 January 2015 2,671 14 View

Who is interested in helping to compile and map a global fault zone permeability database?

I am compiling global database on fault zone permeability, in rocks, any depth. Looking for hard to find data: tunnels (engineering reports), anything not published in journal papers or not in...

22 December 2014 3,409 6 View

Strange result of genetic cross

I am working on eye colour mutants of house cricket (white - W and yellow - Y, wild type, black - B). I conducted series of genetical crosses to check how observed traits (genes) are inherited. I...

01 January 1970 3,084 3 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View