How to Implement Elastoplasticity in a PCL model in COMSOL Multiphysics?

I am using COMSOL Multiphysics 5.5. I am trying to simulate the tensile test of PCL scaffolds. However, regardless of the strain, I have the elastic region all the time which is not true when it...

23 February 2021 4,050 1 View

Can I perform two way ANOVA in case of some missing groups?

I had control cells and performer ELISA analyses group (time 0). I stimulated cells with substance A and B and cultivated for 1, 2 and 3 hours. On each cells I performed ELISA. I have results...

17 February 2021 8,933 4 View

How to do qualitative field research in a hostile environment?

It is much said about doing qualitative research and field study. I'm curious about your hints/experiences in doing ethnography in hostile environment touching sensitive topics (marginalized...

30 November 2020 4,151 14 View

What is the scenario for the gold price?

What do you think about the further growth of gold price? Do you think that the upward trend is coming to an end? Or may be we observe a temporary turbulences caused by the US presidential...

23 September 2020 1,344 4 View

How to make a one-dimensional SOM (Kohonen) map?

Could you please help me and give some tips on how to design trajectory/line using a one-dimensional Kohonen "map"? I need it to my article on bankruptcy but as I'm not statistician I can't handle...

23 September 2020 6,834 2 View

What's the acceptable value of _refine_ls_shift/su_max for Rietveld refinement?

Hi, my background is in single-crystal X-ray diffraction. Now, I am carrying out the so-called Rietveld refinements in GSAS-II and am getting quite large _refine_ls_shift/su_max values (ranging...

01 September 2020 7,012 2 View

How can I start a quantum chemistry calculations with Gaussian with modified basis set?

I want to run geometry optimization in Gausian. Currently I am running it this way: #N B3LYP/3-21G OPT NOSYMMETRY 0 6 Dy 0.00000000 0.00000000 0.00000000 F 2.14203091 0.10643632...

27 June 2020 2,912 9 View

A queueing model for the cloud computing centre?

I'm considering an analytical model for the cloud computing composed of: - input load balancer (LB) with M/M/1/K - P (PH) physical machines with hypervisors, each able to host V (VM) virtual...

18 November 2019 2,356 3 View

No title

07 November 2019 2,121 1 View

Suitable PhiX concentration for diversified libraries (MiSeq v2, Nextera XT)?

Dear All, could some please suggest proper PhiX concentration for multiplex Illumina sequencing with use of MiSeq kit v2 and Nextera XT. samples #1-11 are highly similar - around 50-56%GC sample...

07 September 2019 2,793 1 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

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

Apart from Nanosilica and CNT's what are the other nanomaterials readily available to use in concrete mixture?

Nanotechnology in concrete materials

01 March 2021 3,379 3 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 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

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 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