Spatial thinking and geographical reasoning: what are their conceptual differences and interrelations in teaching geography?

I am conducting a state-of-the-art analysis of these concepts. If you have contributions, please, send me.

17 January 2021 1,123 3 View

How do i interpret this inconsistent mediation in my results ?

Dear all and any, I have run a mediation analysis on SPSS using the PROCESS extension (model 4). My results don't really make any intuitive sense, where my ID (availability of healthy fast foods,...

09 January 2021 7,812 2 View

Does anyone know methodological references with techniques for random allocation (randomization) in Qualitative Research?

If that makes any sense....

03 October 2020 3,845 9 View

In indirect ELISA, how much recombinant protein should be add per well in 96 well?

19 September 2020 449 3 View

Tukey or Multiple t-tests ?

Hello everyone. I am conducting an experiment to evaluate if a compound inhibits a parasite growth quickly or slowly. To do this, I measure the IC50 of this compound when it acts for 24h, 48h or...

07 September 2020 5,361 5 View

Why do I have multiple peaks in my melt curve?

In the primer validation, with the serial dilution of the cDNA, I have a melt curve with a single peak. However, when I do the gene expression using control and treatment samples (I am evaluating...

17 August 2020 2,793 5 View

How to choose the best smooth algorithm for your data in Origin?

I have several curves of applied potential versus electric current with hundreds of points in each of them. I am trying to analyze their first and second derivatives, but they are too noisy to...

27 April 2020 5,932 2 View

How to quantify percentage of DAB positive cells in IHC? Is there any automated tool?

Hi! I'm analyzing some TMA IHC cores using an scoring method that combines intensity and proportion of stained cells. I would like to know if is there any protocol to quantify percentage of DAB...

25 April 2020 479 2 View

Deep Euthetic Solvents, how to prepare?

Hi, everyone. I am starting to work with fractionation of Biomassa by Deep Euthetic Solvents . I came across a DES that is comprised of Lactic acid: Glucose:water (molar ratio 5:1:3), as in ref....

12 March 2020 3,474 3 View

What is the header of the Gaussian input file for calculating two distinct molecules?

I'm doing simulations with two different molecules, but it always ends up falling into the same problem, it seems that the Gaussian doesn't balance the molecules when I calculate the cation and...

03 March 2020 7,750 2 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View