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

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

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

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