Where is the error in the computation of coefficients of Baker-Campbell-Hausdorff formula?

I have a Lie Algebra with a basis: A_1 = [[0 1 0], [0 0 0], [-1 0 0]] A_2 = [[0 0 1], [-1 0 0], [0 0 0]] A_3 = [[0 0 0], [0 1 0], [0 0 -1]] The Lie brackets are [A_1,A_2] = A_3 ; [A_1,A_3] = A_1...

21 October 2020 1,479 6 View

Looking for the legacy Opticstudio Zemax version 15?

Can someone provide the installation file Zemax Opticstudio15? We have the USB key with the license but not anymore the installation file and Zemax does not provide legacy versions older than...

16 January 2020 588 10 View

How to interpret regression results if dependent variable is logged and independent variables are standardized?

In my fixed effects panel regression analysis the DV (Triadic Patent Families) enters in logarithmic form. To counteract very small coefficients because of different scales in my IVs and enable...

17 December 2018 3,020 1 View

Is Carboxymethylcellulose stable over few day ?

Does anyone knows if carboxymethylcellulose is stable during 10 days. We should provide a drug to our animals and we will use CMC as a vehicle but the dose of drug avec very low so I'm wondering...

28 February 2018 8,546 3 View

In pop culture, do we remember best the artworks that create a sense of unanimity or those that elicit debate?

This question is motivated by the recent debates that sparked around the release of Star Wars: the Last Jedi. The work is challenging the philosophical assumptions of many fans and is eliciting...

22 December 2017 5,677 3 View

Differentiated CaCo2 and confocal microscopy?

I would like to image differentiated Caco2 cells grown on a transwell and stained with fluorophore (ie Phalloidin -Alexa 488) without perturping the 3D morphology of the cells. I have read that...

10 November 2017 9,318 3 View

I'm planning a glucose uptake assay.

I'm planning a glucose uptake assay with adult mesenchymal stem cells and possibly rat neural stem cells for my undergraduate thesis. i'd appreciate some recommendations for uptake kits and...

18 July 2017 2,222 1 View

Does anybody have primers for human/mice IFN Alpha and Beta?

Hi everybody, For my Master Thesis I am working on Orthobunya Viruses and for infection studies (in mice, Huh7 cells, etc.) we want to meassure IFN alpha and beta expression, as well as the...

22 March 2017 2,691 2 View

Are proteins bound to the extracellular matrix extracted upon lysing cells by scraping in lysis buffer in a PBS-washed petri dish ?

I am wondering if extracellular protein are also taken out when we extract protein directly from a dish (PBS-washed cells). Many protocols appear to detach cells with EDTA and then extensively...

10 May 2016 1,556 2 View

Are there Quantum sensors to measure cosmo-telluric energy ?

is there any interesting quantum sensor to measure cosmo-telluric energy ?

17 November 2015 7,711 29 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

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View