How the wave dispersion occurs in the medium?

We know that when waves (light or seismic waves) penetrate inhomogeneous media or media with structures, they will diverge. This is because waves are composed of components with different...

11 January 2021 7,448 3 View

Can someone recommend me a classic book of liquid crystals?

I am currently into liquid crystals and have no related background. Can someone tell me which book is the most instructive one to learn basics of liquid crystals? I am more interested in different...

22 November 2020 4,362 6 View

How to generate nucleotide and amino acid sequence in same figure just like cloning journal sequence?

Hi all, I am writing manuscript for cloning research, I want to ask if there's any software that allow us to generate nucleotide and amino acid sequence in one same figure, I have been doing using...

15 January 2020 6,290 3 View

Are there some advanced data mining methods specifically used for extracting information from search queries (short text) ?

Queries for search engines (such as google) contains some information about the intent and interest of the user, which can be used for user profiling, recommendation etc. As far as I know, there...

06 January 2020 3,495 4 View

How to conduct power flow simulation using load profiles? should I both use reactive power and active power?

Hi, recently, I am doing power flow simulation research using detailed dynamic domestic profiles with pv panels. Only net real power, net apparent power, the solar real power and solar apparent...

15 October 2019 5,495 1 View

What software quickly collect full content from tens of thousands of social media post?

Hi, I am doing online ethnography, need to analyse the content meaning, narrative and theme of people's social media posts on a specific social event. The problem is: There are tens of...

05 May 2019 6,456 3 View

Desalting using TCEP?

Hi all, Currently working on in-gel digestion for peptide identification, other than using ziptip or centrifugal unit to desalt sample, I heard using TCEP also works well to desalt. I wish to...

29 April 2019 6,786 2 View

Protein expression using pQE30 vector without IPTG?

Hi all, there is a question i am curious, my friend currently expressing recombinant protein using pQE30 vector, is it possible that protein able to be induced without addition of IPTG? As I know,...

02 January 2019 3,373 2 View

How to remove DNA fragment less than 100 bp by ethanol preciptation or other method ?

28 November 2018 6,132 2 View

Is there any irreversible damage to the size-exclusion chromatography gel under drying ?

19 August 2018 9,473 6 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

Is there any test to determine the cardiovascular risk of patients with obesity? from the perspective of obesity?

We found tests to determine cardiovascular risk taking into account lipid profile, blood pressure, age, history of diabetes, other laboratories. But when weight is involved, there is a paradox. I...

02 March 2021 6,036 1 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

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 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