Centrality measures computation in Biblioshiny/ Vosviewer?

26 February 2021 7,279 2 View

Can we mix elemental powders of 325 mesh using an agate mortar and pestle?

Elemental Powders like Titanium, vanadium, tungsten, zirconium, hafnium.

04 January 2021 7,357 1 View

How to run spin polarized calculations in quantum espresso?

I would like to run spin polarized calculation using quantum espresso. Is it important to add spin polarization in calculating the wavefunction cutoff, K point convergence and geometrical...

17 November 2020 7,604 2 View

MAX phase synthesis?

We are having titanium, aluminium and graphite powders. But we don't have ball milling facility in our lab. Can we mix these manually using mortar and pestle for obtaining MAX phase powders? How...

16 November 2020 3,436 4 View

Material simulation of Concrete damage plasticity model(CDP), In abaqus?

09 November 2020 268 2 View

How to respond to the comments from multiple reviewers?

I have received comments from three reviewers. many of the comments are similar. do i have to respond to the comments of all the three reviewers individually or can i write a consolidated...

15 October 2020 9,220 4 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

Enzyme assays of mutant GBA cell lines ?

How do i measure the enzyme activity of human GBA in cos 7 cells that have been transfected with mutant plamids. After 24 hours of plating cells in a 12 well plate, I transfect cos 7 cells with...

30 August 2020 4,496 3 View

How to describe mixed occupancies in the Quantum espresso input file?

I am having trouble describing partial occupancy in the input file. One of the site is occupied by two atoms with (50% occupancy). when I generate input file, the other atom is getting ignored....

19 April 2020 9,383 3 View

Antimicrobial properties of metal oxide nanoparticles?

08 April 2020 3,013 5 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

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View

Why is my CFD problem (mini heat sink rectangular channel) not converging while having good quality mesh?

My CFD problem is having two interconnected rectangular channel, which is known as mini heat sink. I have already performed parallel flow inside of an interconnected mini heat sink. However, I...

19 February 2021 3,209 3 View

How to compare means of continuous data with zero-inflation and skew?

I have two groups (unpaired) of plant biomass measurements and want to know whether there is a test that can be used to determine statistical significance where assumptions are not violated. The...

18 February 2021 1,258 4 View

Is an issue for serial correlation when it is not found with the xtreg, fe on its lag ,but the lag become significant when you've vce(robust) std. er?

Dear Sir/Madam I have a dateset that suffers from heteroskedasticity and serial correlation. To address the serial correlation lag my variables of the fixed effect regression. I retrieve the...

15 February 2021 3,700 1 View

How to estimate/know plant virus concentration to make a standard curve in ELISA after serial dilution?

Hello, I am trying to know tomato virus titer/concentration in samples and I will perform serial dilution of the positive control. I wanted to ask How to estimate/know plant virus concentration to...

13 February 2021 6,534 4 View

How to best represent qPCR DD Ct or D Ct as a box plot?

I've been reading up on how to best represent qPCR data, specially on answers given on this site by Dr. Jochen Wilhelm. I understand box plots are the way to go, but I still don't understand them...

11 February 2021 7,228 3 View