What is the proper NSE model for a DNS plane Poiseuille flow solver?

Assuming two-dimensional flow, I'm trying to implement a code for a quasi DNS problem. There is no doubt that i should replace the velocities in Navier-Stokes equation (NSE) with its equivalent...

04 December 2020 8,304 3 View

Do you need to acidify your samples prior to desalting with C18?

I am wondering how important pH is here. I have a sample tryptic sample in 50mM TEAB, wondering if I need to add in TFA to ~2% before desalting. I understand the need to acidify samples with ion...

18 October 2020 6,639 3 View

How antibodies differentiate according to match every epitope?

How antibodies differentiate according to match every epitope , ie: how takes its shape as a monoclonal

10 October 2020 9,573 2 View

How to express Nano-fluid in conservation equation of Mass, Momentum and Energy?

How to express Nano-fluid in conservation equation of Mass, Momentum and Energy?

07 September 2020 5,903 1 View

How to set the velocity in Ansys Fluent as vibrating velocity or shaking movement?

during modelling of some instruments I need to set the velocity as shaking movement

26 July 2020 831 3 View

How much water does each desalination plant type produce and cost?

There are many types of water desalination plants; Reverse Osmosis, MSF, Solar desalination units, ........... etc. How much water does each desalination plant type produce and what is the...

30 May 2020 7,719 4 View

Why fluorescamine don't exhibit fluorescence by itself?

it has groups that allow it to be fluorescent but it doesn't

10 April 2020 6,483 3 View

For einstein equation (E=MC^2) it means that what have mass have energy ?

but photon doesn't have or it is negligible and it could have huge amount of energy . HOW?

10 April 2020 3,545 14 View

How long the duration of spermatogenesis cycle in rats?

How long the duration of spermatogenesis cycle in rats?, which can any medical applications measured?

01 February 2020 5,694 2 View

Probelm with expressing hetrologous proteins using Pichia pastoris?

07 December 2019 7,502 6 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View