How can I identify the points that are poking out from a point cloud plot?

I have a cloud plot of data relating two important variables for an ecological analysis. I was defining the "abnormal class" as the data points that are >=20 for the Y-axis and >=20 for the...

22 September 2020 7,679 16 View

Why is the pressure slowly increasing when using a Hiplex Ca column?

We recently installed a Hiplex Ca Duo Column from agilent for carbohydrate determination. It was working fine until a week ago, when the pressure of the column started to increase very slowly. As...

03 September 2020 1,733 2 View

How do I detect primer dimers in an electrophoresis gel? and how to avoid them in a PCR reaction?

Hello! I am investigating plant-pollinator interactions by means of metabarcoding of pollen loads. The approach we want to use is dual-indexing in a two step PCR process. We are using four...

04 May 2020 7,455 6 View

All-against-all pairwise global alignments?

Hi all, I have a collection of nucleotide sequences corresponding to one functional domain of a hallmark gene of viruses. So in principle I am working with relatively-homogeneous functional...

28 March 2020 8,869 3 View

What Does Saint Thomas Say About Immigration?

This question is inspired in the article of yesterday by John Horvat II https://www.returntoorder.org/2014/07/saint-thomas-say-immigration-2/?pkg=rtoe0886 In looking at the debate over...

02 March 2020 2,870 9 View

2D-NMR DOSY peak intensities, what does that mean?

Dear All, I'm being doing DOSY experiments to determine molecular weight of polymers and i was wondering if the peak intensities shown in the spectrum for diffusion coefficients mean...

05 February 2020 6,387 5 View

No title

The effect of ENSO on weed populations dynamics is of key importance for better weed management or species conservation purposes.

31 January 2020 1,673 3 View

Is there a recommended article on RAMAN Spectroscopy and/or FTIR that also works as a guide?

Fellow scientists, I'd like to know if a test solution contains certain leachates, meaning that an extraction method I am developing works. Much appreciated beforehand.

13 January 2020 5,249 3 View

What is important to consider in an antibody titration, volume or concentration? Is it needed combined titration of Abs when they are used together?

In order to perform an antibody titration, I have found many different protocols with different recommendations, but most of them suggest to do dilutions in volume without taking the concentration...

21 November 2019 9,423 2 View

Digesting bioplastcs (PLA)?

I am carrying an experiment on which I chronically feed PLA particles to ascidians to check if they accumulate the material or are capable of digesting it. I am also trying with common PP and PET...

10 May 2019 9,370 5 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

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 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 the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View