Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Can the intensity of this broad band in XRD mask other crystaline phases present?

I obtained a XRD diffractogram with significant broad band at low 2theta levels, also around 30 2theta another smaller broad band appears. It all points out to the existence of an amorphous phase....

19 February 2021 8,414 4 View

How to measure a Neural Network complexity?

Does anyone know how to measure the complexity of an artificial neural network? Could you provide me references? Thanks a lot!

25 January 2021 2,710 10 View

What is the best method for removing power-line interference (PLI)?

In the paper A wavelet-based method for power-line interference removal i... we propose a new method for removing PLI. This method consists in identifying the ECG and noise frequency range for...

29 December 2020 9,233 3 View

Do you can put again my publications online?

Dear All, Please I has accidentaly removed 22 publications from RG my profile in the mail that you send me today, please put again those publicatios in my profile. Best regards,

13 December 2020 9,981 4 View

Tools for analysis of interaction between lncRNAs and proteins/miRNAs?

Hi! I would like to know what tools I could use to analyze interactions between a new lncRNA and possible protein/miRNA targets. The biggest problem I had to find such tools is that the RNA we...

20 November 2020 8,331 3 View

In which dry organic solvent/solvent mixture molten 1H-imidazole could be precipitated at 100%?

I am trying to isolate an allkylated imidazole from a mixture containing unreacted 1H-imidazole. The problem is that imidazole is slightly soluble in my targed molecule. Furthermore, I need to...

04 November 2020 4,513 3 View

Should I exclude a paper classified as low quality by the Newcastle-Ottawa tool from a systematic review without meta-analysis?

Hello! I'm working on a systematic review (without meta-analysis) and when evaluating the quality of the papers only one presented low quality. I did not find guidelines in the instrument itself...

04 November 2020 6,564 7 View

When will we have access to Brazilian agricultural censuses microdata publically available? Can Google and Microsoft help it?

Microdata are a wonderful way of analyzing specific issues in an heterogeneous environment. Brazil is wonderfully diverse country, and its countryside is also extremely heterogeneous. We have...

25 October 2020 8,900 2 View

Is it possible to use a muffle furnace without N2 atmosphere to make Biochars?

Greetings Everyone. I am reading several articles about biochars and notice several use N2 atmosphere inside the muffle furnace. can you produce biochars without this N2 atmosphere or other inert...

17 August 2020 8,992 6 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

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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Can I run spearman's correlation on non monotonic data? Is it advisable?

Hi all, I am running a partial correlation analysis on mood data. I want to see if there is a correlation between scores on a novel hypomanic mood scale and existing measures of hypomania - the...

25 February 2021 1,619 3 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View