Protocol for extraction of antibiotic from plants?

hi all, please can anyone knows a protocol for measuring antibiotic concentration in plant samples through HPLC technique? i need the detailed protocol, with the used reagents. i made in a...

18 August 2020 3,370 3 View

What are the mechanism that prevent immune response against commensal microbesand fetuses?

What are the mechanisms that prevent immune responses against commensal microbes and fetuses?

21 June 2020 7,167 3 View

Online assessment evaluation?

Corona Virus makes teachers and students more care about online assessment via online exams. The big question is how to detect/prevent students that cheat in online exams?

26 April 2020 4,999 8 View

When we have to do a comparison with previous work?

Writing a paper is an art. When we have to do a comparison with previous work?

10 November 2019 1,656 2 View

Statistical graphs and charts?

What is the benefit of presenting the statistical results as graphical charts or figures?

11 October 2019 510 5 View

How to increase proligand solubility?

I have schiff base proligand and I need to use for making schiff base metal complex. I have difficulty to dissolve this schiff base proligand. It is unsoluble in Ethanol and Methanol even after...

24 March 2019 6,380 4 View

What statistical test to use if i am comparing different learning styles between two different groups of students?

what statistical test to use if i am comparing different learning styles between two different groups of students

21 March 2019 7,875 23 View

What are the effects of adding nano-materials to oil in a hydraulic system to improve heat dissipation?

The high temperature of the hydraulic system causes a decrease in efficiency and an increase in the wear of components. On the other hand, nano-fluids have been used in many fields to improve heat...

23 December 2018 6,425 4 View

How to model nonlinear soil in ansys?

i hope any some one help me in the following: i would like to create 3D model of soil under rectangular tank considering soil structure interaction. i used solid65 for soil and drucker prager for...

14 August 2016 2,494 9 View

What can be done to stop predatory journals and give the researchers more informed access to legal publishing?

What can be done to stop predatory journals and give the researchers more informed access to legal publishing? I think that the social media sites could probably pay a role in stopping such...

01 January 1970 8,781 13 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