How we can calculate k constants for a multi-machine power system using PSAT?

Small signal stability analysis of multi-machine power system using PSAT software

06 August 2020 8,195 3 View

Steps to improve cryoEM helical reconstruction resolution using relion?

Hello all, I am trying to do helical reconstruction for my fibrils. I am at 3D classification steps where I can get the resolution (given by relion) at 3.2 A. The actual resolution is worse I...

28 July 2020 6,266 1 View

Does Aristotle have a term and a theory for what the Scholastics have named "ens rationis" as opposed to "ens reale"?

Scholastics have called "entia rationis" those objects, which do not and cannot exist in reality but only within the mind, such as chimaeras, privations (like blindness), negations...

19 July 2020 4,667 22 View

Are there contemporary evaluations of US public health system?

I'm looking for a recent evaluation of the US federal efforts to prevent disease outbreaks, specific to the US public health system. I see some old (15-16 yr old) reports, anyone done anything...

06 June 2020 7,396 1 View

Is there any working method for concentration of influenza virus from water and sediments without the inactivation of the virus?

I have done an experiment to study the persistence of avian influenza in lake water and in lake sediments. Do you know a good concentration method to use without the inactivation of the virus from...

27 January 2020 7,044 3 View

There is any way to know the equivalence between an old genome reference assembly and its new version??

28 November 2019 8,768 4 View

Peptide concentration for stimulating murine CD4+ and CD8+ splenocytes?

I'm trying to figure out a good starting concentration of 15mer peptides to stimulate mouse CD4+ and CD8+ splenocytes for cytokine staining. We are pooling 72 peptides for one of our conditions to...

17 October 2019 6,974 2 View

Can commercial Competitive ELISA Oxytocin kits measure synthetic oxytocin (used in clinical practice)?

Can commercial Competitive ELISA Oxytocin kits measure/pick up synthetic oxytocin (used in clinical practice)?

09 September 2019 6,479 3 View

Is there a statistical techniques to compare multiple subscores of a specific domain?

I performed a neuro-psychological battery consisting of 6 tests that measures different aspects of executive function. Each test has between 3 to 15 subscores. There is no consensus on whether one...

10 June 2019 4,062 3 View

How long does an IAC antibody-coupled NHS column last?

I'm trying to use IAC to purify a protein using an old prepacked NHS column with a potent antibody, that was coupled 2-3 years ago, and getting bad yields (Wide peak over 4 mL at 2 mAU max,...

17 January 2019 5,664 4 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

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