Amorphous XRD Data?

Dear colleagues, I analyzed my material using XRD analysis and the material has shown amorphous behavior , how can I specify the composition of the material is there any extra analysis I can...

24 December 2020 1,280 10 View

Can you put cells from -80 to liquid nitrogen?

Hi all, I have kept cells in -80 for several months, can I transfer them to liquid nitrogen now after all this time? I am afraid they would not survive.. I appreciate your input Thanks!

12 July 2020 3,612 2 View

Solar cell exciton binding energy ?

30 April 2020 1,620 12 View

How to compute the probability for a firm to move from on group to another in a panel database?

Hello, I have a panel database for firms i (90 firms) across year t (from 2013 to 2019). Some firms witnessed a cross border investment in a year that is between 2013 and 2019. I created a...

06 December 2019 5,778 3 View

How can you prevent cells from clumping on a coverslip of a 24 well plate?

Hi, I'm trying to stain my cells after transient transfecting them but each time I get the cells either over confluent, or clumped in the middle even though I swirl the dish in an 8 shape to...

15 March 2019 6,585 2 View

What is best ISI journal for "use game theory in human computation system and security" issue to submit article?

I want to submit an article in this area. please help me to find a good journal. thanks.

07 March 2019 1,694 3 View

Relationship between signal detection theory and drift-diffusion model?

When calculate signal detection metrics (e.g. sensitivity) from 2-alternative false choice task behavior data, we assume that the subject is internally comparing a variable to a threshold: if it...

03 March 2019 2,332 1 View

How to set and take beautiful images on a confocal microscope?

Hi everyone, I am newbie on using the confocal and I am wondering if the setting on all the images I take should be the same? in order to compare between them? because when I took the images I...

22 February 2019 1,815 3 View

How to model (or simulate) thin-film/wafer-based tandem solar cell ?

Could someone help me how to use MATLAB/Simulink by video or tutorial to model a tandem junction based on a perovskite top cell and Si as a bottom cell . Thank you

05 May 2018 2,917 3 View

What is the best algorithm for video to static image registration?

We have an wearable eye-tracking glasses that is video-recording the stimulus presented in front of the subject, and measuring gaze position in the coordinates of the video. However, we need to...

26 January 2018 3,278 4 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 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

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 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

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

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View