How does the N value be counted for gut content analysis?

I read some articles on mollusc and fish diet analysis. The formula for percentage frequency of occurrence stated above: %F0 = Nei/Ne x 100 and percentage numerical abundance : %NI : Ni/N x...

15 October 2020 4,568 3 View

Why is it necessary to vortex and incubate in dark the sample and DPPH solution and other DPPH questions?

Hi all, In the determination of Antioxidant capacity of fruit samples, I used DPPH assay and have a few questions regarding the DPPH assay 1) why is it necessary to vortex and incubate in dark...

30 August 2020 246 3 View

How to renew the Scopus index status of a journal?

Dear Researchers, Our journal (ISSN no. 2070-4658) was part of the Scopus index till 2017. Now, it is not in the Scopus index as the last two years no issue has been published. However, the...

24 August 2020 7,203 3 View

What strategies would be effective to handle mixed-ability students in learning English as a foreign language?

08 June 2020 1,850 32 View

Hello,i extract my plants using rotary evaporator and i got crude extract.How should dilute it?i have no idea on how to dilute it?Can someone helpme?

dilute it in ethanol or dmso? which solution is better as i used 95% of ethanol as my extraction solvent?

23 March 2020 5,971 6 View

Can I set "20 uL reaction volume" in PCR cycler machine, while my actual sample is only 10 or 15 uL?

This is a stupid but quite technical question. We have a PCR machine that has 20 uL minimum reaction, so it can't be set into 15 or 10 uL in the machine. Is this going to affect the result...

22 March 2020 3,497 4 View

Is there any SOP to measure pharmaceutical clean room and if none can we develop our own method to measure the room size?

06 March 2020 866 1 View

How to test degree of polymerisation of aged kraft paper impregnated in oil?

kraft paper was impregnated in mineral oil at different temperatures and duration. my project is to get the DP value at different duration. in order to be measured by viscometer, the sample must...

20 January 2020 2,234 3 View

What is the equation to explain how one possible organic side product is formed in the synthesis of 1-bromobutane?

And show the chemical properties window of this side product. Explain how this product can be separated from the desired product. I have already identified that the possible organic side products...

29 December 2019 6,170 4 View

Validation for Intracerebroventricular Microinjection of Streptozotocin in Rats?

Hi, I'm planning to induce sporadic Alzheimer's disease (AD) in male Sprague Dawley rats (3 months old, 270-350g) through bilateral intracerebroventricular microinjection of 3 mg/kg streptozotocin...

25 November 2019 9,723 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

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

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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Can anyone help me with the administration of the "Mind the Gap" Scale for satisfaction with transition to adult care?

We are working on a study focused on adolescents' transition to adult care and are looking for a validated measure for satisfaction with the transition. So far the only measure that we have came...

28 February 2021 2,338 1 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View