What is the appropriate period for indexing an article in the Scopus database?

Dear RG members The indexing of a published article in the Scopus database may depend on several factors. The issue is that my colleague and I have published separately two articles in the same...

16 December 2020 4,361 19 View

How we can isolate" distinguish" between Tyrophagus putrescentiae and T. entomophus ?

If I want to isolate Tyrophagus entomophagus by selective media, as I know they can grow on molds of stored grains,fruits, cheese. Or even in beehives debris. But how can I got only one species...

30 November 2020 9,087 3 View

How about self-publishing with Amazon ?

What are the cons and pros of self-publishing of scientific books with Amazon ? Does it worth from the proficiency and royalties point of view ? Is it important for the author to be highly...

10 October 2020 4,521 2 View

How to reduce excess pore water pressure when i am modelling using PLAXIS 3D?

I'm verifying a field embankment supported by ESC monitoring data using plaxis 3D and i'm trying to reach the field values using the available data from soil tests performed, yet the excess pore...

10 September 2020 5,740 9 View

Is there any free software that can facilitate the prediction of the fragmentation acquired from the mass spectroscopy?

Dear RG members The analysis of the mass spectrum of an organic compound is not an easy task and needs high expertise. Is there any free software that can facilitate the prediction of the...

04 August 2020 8,021 15 View

How can we differentiate between academic and predatory journals?

Dear RG members According to my institution, publishing in a journal that is predatory by itself or its publisher is a big mistake. So, what is the robust identifier that differentiates between...

31 July 2020 6,638 94 View

What are the Criteria of Storing Natural Gas in Reservoirs?

Natural Gas can be stored underground in 4 types of reservoirs: 1- Depleted Gas 2- Depleted oil 3- Aquifer 4- Salt Cave. What are the criteria that help decide the suitablity of one reservoir for...

04 July 2020 3,329 4 View

What is your opinion about the updated Citescore methodology applied by Scopus?

Dear RG members What is your opinion about the updated CiteScore methodology applied by Scopus for the calculation of the CiteScore of 2019? Are you with this new methodology or not? Is this...

29 June 2020 7,762 6 View

How can I removed the solvent from my product?

In the synthesis of certain 7-hydroxycoumarin conjugated by an amide bond with 5-fluorouracil, the used solvent (DMSO) has distilled off under reduced pressure. The product was still sticky and...

15 June 2020 9,529 20 View

Asking for full data about daily recovered covid-19 cases by country?

I'd like to have an Excel sheet of daily recovered covid-19 cases (by country). Is there any website can provide it?

08 June 2020 5,627 4 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

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

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

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