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

Low value of Cd for Flow Past a Square Cylinder Simulation?

Hi everyone, Happy New Year! I am carrying out a Simulation for Flow Past a Square Cylinder. I am using Ansys Fluent. I get a very low value of Cd in the simulation. The solution converges but...

03 January 2021 4,389 3 View

How do I turn off the wall function for k-w SST simulation in Ansys Fluent?

I am using a very fine mesh (D/1000). Since I cannot find an option to turn off the wall function in Fluent GUI, could you please let me know how I can turn it off? From some forum I got to know...

21 December 2020 9,186 15 View

Why do I get Floating Point Error! on simulating with very fine mesh using k-w SST model in Ansys Fluent?

Hi everyone, any insight is appreciated. I am simulating with a D/1000 [first boundary layer height] mesh the flow past a square cylinder (inside a Circular domain). For Coarser mesh, I had no...

21 December 2020 5,438 10 View

Why dielectric anomaly on the dielectric constant curves tend to disappear for a particular Mn doping content?

Why dielectric anomaly peak related to the defect dipoles present in the paraelectric region (around 450 K) of temperature dependent dielectric constant curve tends to disappear? The dielectric...

25 November 2020 209 2 View

What is the time required for an enzyme or an protein molecule to consume an ATP molecule during a reaction?

In what time do a protein body consumes an ATP molecule for an active process to happen?

02 October 2020 8,135 4 View

Can protons, ions and neutrons be used for SEM imaging rather than electron beam?

Generally it is known that SEM is based on the principle of interaction of electron beam with matter. Proton and ion beam can be used instead of electron beam? How their interaction will be...

27 September 2020 4,432 9 View

How long can we store dsDNA after extraction from the plant tissue which will be used for marker based genotype screening?

A large of samples needs to be screened using pcr based markers. therefore, the DNA if extracted from the plant tissues how long can it be stored? Can it be stored in -80 or -20, please suggest.

20 August 2020 6,920 3 View

India's New Education Policy ( NEP- 2020) has scrapped the M.Phil. Degree. Do you think the fresh Masters students can go for Ph.D. directly ?

India's New Education Policy ( NEP- 2020) has scrapped the M.Phil. Degree. Do you think the fresh Master's students can go for Ph.D. directly? Many scholars have gradually entered into Ph.D. by...

31 July 2020 7,863 13 View

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28 April 2020 8,048 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Which one carries more value? A research paper in a Scopus Indexed conference proceedings or the same paper in a Journal without Scopus indexing?

I am looking for the suggestion among which one to pick from the above two categories for a research work.

27 February 2021 10,025 1 View

Which indexation is better Scopus or Web of Science?

Both are very repetitive indexing agencies.

26 February 2021 9,455 4 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Data Analysis K-S and S-W tests?

Hello, I have conducted analysis where the K-W and S-W have come out as p

25 February 2021 9,648 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

How to improve the adhesion between germanium and silicon monoxide thin film layers using EBEAM evaporation?

I want to deposit multilayer coating of germanium and silicon monoxide on silicon wafer using ebeam evaporation?

21 February 2021 2,141 3 View