What is the best way to maintain constant concentration of a volatile organic liquid in an open experimental set-up?

The purpose is to keep a NAPL (eg Toluene) concentration constant in an open tank set-up.

27 December 2020 7,325 2 View

Don't you have medical quacks claiming that they can cure COVID in your countries?

There's a quack who claims that he can cure patients with COVID using his 'magic portion'. Some media blindly support him, though there's no scientific evidence for his treatment. There's a...

17 December 2020 8,022 5 View

Review the debate; brain and mind. Can the mind exist without the brain?

Brain vs mind is a never solved debate. A school of thought is that the mind can function without the brain. Is it possible?

10 December 2020 2,618 4 View

Is mind travel possible?

If you read buddhist scriptures, you can find a number of stories about mind travel. It indicates that lord buddha used to mind travel to far away places and interacted with people. What do you...

30 November 2020 3,314 19 View

What will be a futuristic city look like?

The extent of usable land will decline due to rise in sea levels. Many islands will be disappeared. People might have to carry oxygen tanks to breathe. Technological development won't go any...

29 November 2020 6,276 4 View

How does one calculate interfacial heat transfer by using data from Fluent simulation for a subcooled flow boiling model?

I am trying to simulate subcooled boiling flow through an annulus using Fluent. Is it possible to get the values of interfacial heat transfer coefficients from either FLUENT report or CFD post?...

31 October 2020 3,599 3 View

How to determine presence of Cross Sectional Dependence in Panel data?

Hello everyone. I have a panel data of N=30 and T=20. It's not exactly a case of small T and large N. Can I use the command xtcsd, pesaran in stata to check for cross sectional dependence? I am a...

07 October 2020 7,676 13 View

Could you please suggest me a good topic for my research paper (Tensor calculus with its applications in General relativity)??

i am currently working on topics in Tensor calculus with its applications in General relativity - im looking to write a research paper with whatever little background i have - Could you please...

18 September 2020 6,278 2 View

Is it possible to obtain binary chemical coefficient in ANSYS FLUENT?

I am working on binary chemical reactions in the non-newtonian fluid. Your answers will be helpful to me to do further. I am new to ANSYS FLUENT.

01 September 2020 2,970 1 View

What are the LoRa WAN practical application?

LoRa is a wireless technology that offers long range , low power and secure data transmission for M2M and IoT applications. But in present era of mobile 4g and 5g what may be effective...

12 August 2020 515 4 View

Can someone help me with this error that I am getting while estimating a VAR model in R?

I am using annual time series data to estimate a VAR model in R. However, when I run the command to find the optimal lag length, I get the following error: Fehler in VARselect(data, lag.max = 10,...

18 February 2021 9,647 3 View

How to purify cycle sequencing PCR reaction?

i am purifying cycle sequencing PCR reaction. i have tried multiple methods given in BDT manual (provided with the instrument) .everytime i used 96 well reaction plate for this purpose. 7 wells...

14 February 2021 8,534 2 View

Can I use breaking series as a regressor in a VAR model?

Context: I have two series, price and sales. Sales is mean-reverting stationery but price is stationary only after controlling for an intercept break. I want to set up a 2-equation VAR model...

14 January 2021 6,824 12 View

How to set Decouplers in control systems?

09 December 2020 1,409 5 View

How should I interpret my results if my VAR estimates are different then my IRFs?

Dear community, For my thesis, I am busy finding possible relationships between bitcoin returns, several index funds returns and macro economic variables. After running a Dickey-Fuller test on...

30 November 2020 4,923 3 View

Does anybody know any personality trait manipulations?

Dear All, I would like to write up a hypothetical experiment where I would need to manipulate participants perceptions of the following personality traits: Faithful, Conscientious, Trustworthy,...

22 November 2020 2,335 3 View

Can anyone provide the R or STATA code for Weak Exogeneity Test?

I am working on time-series data and want to analyze the price leadership among 3 markets with Weak Exogeneity test in a VAR framework. Does anyone know the R or STATA code for this test? Thank...

11 November 2020 8,241 3 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

I want to simulate a VAR model. How do I choose the coefficients to ensure stability?

I know how to compute eigenvalues to test stability. The question If i have for example a 10 node model with 5 lags, how do i choose stable parameters without just guessing.

06 October 2020 5,238 6 View

Testing endogeneity in the model through VAR ?

I have the panel data regression model for which have to test the endogeneity. i read one research paper which was using Vector Autoregression (VAR) to test the endogeneity. in that paper, it...

03 October 2020 877 3 View