Does learning mathematics exclusively improve cognitive abilities?

Teaching Mathematics at school to all students is commonly justified by the opinion that it improves their problem-solving skills and "makes them smarter" (whichever measure is implied by this). I...

15 February 2021 7,391 7 View

Is there anyone who has and can share journal articles that talk about corrosion test by using the potentiostatic polarization technique ?

I am currently looking for journal articles that explain better the corrosion behavior of steel metal in corrosive medium when using the potentiostatic polarization technique with a plotted graph...

15 December 2020 4,381 7 View

Problems extracting metadata from NCBI in R?

I am trying to extract some information (metadata) from GenBank using the R package "rentrez" and the example I found here https://ajrominger.github.io/2018/05/21/gettingDNA.html. Specifically,...

12 August 2020 5,742 2 View

Peer review standards: should certain consistency be expected?

As an author and a reviewer for several editions I have come across a problem pointed out on many occasions previously, namely the consistency and value of peer-reviews. I have seen good, valuable...

28 June 2020 8,991 8 View

Why do the rentrez and NCBI web searches return different number of hits?

I am querying the GenBank and getting different numbers when compare searches in R (rentrez package) to the Nucleotide db at NCBI website. For example, entrez_search(db="nuccore", term =...

17 June 2020 7,127 3 View

No title

Hi, I generated several machine learning models with different algorithms and hyper-parameters and different preprocesses. My models always end up being systematically biased, as shown in the...

11 March 2020 8,723 2 View

What is the hardness value of austenite and ferrite phase in cold rolled 2205 duplex stainless steel?

I would like to read journal articles where I can find the hardness values of austenite and ferrite phase of the cold rolled 2205 duplex stainless steel.

27 October 2019 9,180 3 View

How can I calculate root mean squared error of cross-validation (leave-one-out) for interpolated data (RMSECVi) ?

Dear Researchers, Anyone can indicate me how to calculate root mean squared error of cross-validation (leave-one-out) for interpolated data (RMSECVi), root mean squared error of...

16 January 2019 7,158 3 View

Why gaussian ended with error termination: no atoms chosen for CPHF?

I am trying to follow Kutateladze protocol for relativistic force field calculation (10.1021/acs.joc.5b00619). In the supporting information, a typical input file is given which I used with very...

16 September 2018 6,784 3 View

Ontology Context to creation JSON-LD serializw format that can be stored in ElasticSearch ?

In order to create a compact JSON-LD serialize form of an Ontology using RDFlib Python Library. I need the given Ontology Context. The compact form is the on that can be stored in ElasticSearch...

10 September 2018 4,597 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

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

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 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

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