How to clean PTFE vessel from carbon deposits after it has been used for generating carbon from glucose?

A PTFE vessel was used as a reaction vessel to carbon coat magnetite NPs using glucose at 180C for 12 hrs. The interior of the vessel was blackened by the carbon deposits. It was soaked for long...

09 October 2019 5,570 3 View

What is the most popular English translation of the Quran? and Why?

There are many English translations of the Quran. In your opinion, which one is the best and why?

08 September 2019 3,751 3 View

How do you deal with slow learners? What action do you take if you feel that they will be unable to pass your course?

I believe that there are individual differences among students. I appreciate sharing your feedback in terms of how we can deal with very slow learners (slow comprehension).

08 September 2019 1,934 13 View

What is the marketing chaos and how can it occur in the business environment?

04 May 2019 5,391 1 View

How ethical behavior can be promoted in drug marketing, taking into account the profitability of drug marketing ?

Despite the control imposed by various trade unions and consumer protection societies, we note that there is a patient's exploitation through the drug marketing processes that are supposed to be...

04 May 2019 6,074 4 View

Is it Activated biochar or acivated carbon?

some researchers use the term of activated biochar instead of activated carbon, is it right?

31 December 2018 4,071 7 View

What is the best method to synthesize gold nanoparticles from gold sheet?

Gold nano particles have wide application range. One of the main problems of gold nano particles synthesis is producing well dispersed non agglomerated particles? I greatly appreciate your suggestions

31 December 2018 2,220 6 View

Is it possible to desulphurize shale oil while in gaseous phase using non hydrogen methods?

Shale oil has plenty of sulphur in the form of thiophenes, thiols etc. Its desulphurization is a critical issue for its use. I am really interested in insitue desulhurization during pyrolysis

10 November 2018 7,067 0 View

Prerequest Fundamentals for Robust Control Theory?

Hi, What are the books and/or papaers/reports that are recommended in order to understand fullly the mathematical stuff in the following book: Robust and Optimal Control by Kemin Zhou et...

03 April 2018 7,271 12 View

What are the dominant uranium species in aqueous nitrate solution in the pH range from 4 to 10?

What are the dominant uranium species in aqueous nitrate solution in the pH range from 4 to 10?

01 February 2018 1,807 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

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View