How can i characterise the crud extract of peganum harmala seeds ?

Hello everyone, The crud extracts of peganum harmala seeds contains alkaloids and polyphenolic compounds and i want to do the HPLC , LC-MS or RMN without extracting them, can you give me the...

06 March 2020 6,849 4 View

What analyzes can we do to characterize and know the different composition of a seed oil?

What analyzes can we do to characterize and know the different composition of a seed oil? which devices can be used? Thank you

26 January 2020 1,927 2 View

What are the criteria of academic promotion in your university/country?

How many requirement should be met to get the academic promotion in your university. number of publications for example.

30 May 2019 7,909 7 View

Analysis for additive, antagonistic, or synergistic interaction?

I would like to calculate the expected mortality using the formula of Nishimatsu and Jackson (1998) Pe= Po + (1- Po) (P1) + (1 - Po) (1- P1) (P2) with Po is the natural (control) mortality, P1 is...

07 November 2018 4,017 3 View

What is the best software to perform Whole Genome Sequencing?

Hi ! In my lab, we plan to do Whole Genome Sequencing (WGS), can someone tell me the best dedicated software for this work? I thought I understood that these software require having super...

23 May 2017 5,439 3 View

What do you think about the "Editions Universitaires Europeennes"?

Dear all, What is the desired benefit of publishing with the "Editions Universitaires Europeennes" https://www.editions-ue.com/ ? Do you consider it a predatory...

01 January 1970 1,122 20 View

What is the appropriate way to design primers with specific SNPs?

I want to design some primers to characterize differents SNP (Single Nucleotid Polymorphisme) in a simple process using PCR and agarose gel, not for sequencing. What could be the appropriate way...

01 January 1970 9,712 6 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

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 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

The procedure compute?

02 March 2021 5,204 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 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

If you haven't computer? how you show the photons to pupils?

Educational Process

01 March 2021 1,827 1 View