Dear Colleagues, I am looking for a way to dop of electrospining nanofibers on the HEPA filter.Someone can guide me?

Electrospining method is important for production of nanofiber .If doped with nanoparticles ,can be used for remove of contaminant such as VOC , but don't have mechanical strengh . For finding a...

24 January 2021 7,290 3 View

I have started to design a Lithium ion battery in Comsol. I need to merge the LIB model with PDEs. any idea how to do that ?

the electrode structure has secondary pore networks , so I need to use different governing equations for the electrodes. I tried to use PDEs , but I have not get any results. Does anybody have any...

02 January 2021 3,225 1 View

How many and which spin multiplicities we should choose for optimization the adsorption of O2 gas with metal complexes?

I want to optimize the interaction between the the O2 molecule and a metal nanocluster, but I need to know which multiplicities I should choose?

25 November 2020 716 2 View

Why Hiden mass spectrometer shows wrong percentages after calibration?

Hello every one I was wondering if someone could help me solve the problem that I have with my Mass Spectrometer. Actually I have already calibrated my MS device for a mixture of 60% Ar and 40 %...

19 November 2020 2,984 3 View

How to remove radiations in silicon substrate in the simulation?

I designed a plasmonic slot waveguide using gold on top of the 2 micron oxide layer and below the oxide layer, I used silicon as substrate. the idea is to optimize the waveguide dimensions (slot...

01 November 2020 4,400 3 View

Problem with converting FEM code from MATLAB into Python; what is the fastest solution?

Dear all, I developed a hybrid Phase Field-Finite Element Model (PF-FEM) for fracture of electrode particles of Li-ion batteries. [Isotropic & Hybrid] Phase Field-Finite Element Model (PF-FE......

31 October 2020 8,810 1 View

How to calculate the group velocity using Comsol?

Hi, I designed the cross section of the plasmonic slot waveguide using wave optics module in comsol. I used mode analysis method and now I am going to calculate the group velocity of my structure....

22 September 2020 2,660 3 View

Dimensionless geometry in Ansys Fluent?

Hi Everyone. I have this dimensionless governing equations that I want to solve in Ansys Fluent. But then, in Ansys Fluent, the geometry only dimensional. So my question is, does dimensionless...

17 September 2020 9,096 3 View

What is the best method for the reaction of a acid and an epoxy monomer?

I am going to react a free fatty acid with 1,2-epoxydecane.

11 August 2020 8,227 2 View

Grow E.coli in 384 microplates without shaking?

Hello, I need to grow E. coli in 384 microplates directly from colonies. They contain an Amp resistance plasmid. We cannot shake the plate. I tested LB, but they grow poorly. Any suggestion to...

11 August 2020 5,386 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

How to write a scientific report?

We are analysing scientific reports at University in great detail, so I wanted to find a scientific report about how to write a scientific report. Including detail such as what information to put...

02 March 2021 7,602 4 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 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

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01 March 2021 3,905 5 View

How to Balance Bench work with Reading and Writing?

I am a second-year grad student. I am finding it difficult finding time to read literature and write (things like qualifying exam, thesis, grants). I find myself so busy with bench work that I...

01 March 2021 3,325 4 View

Which software is better to write systematic review paper?

We have seen some authors use some software to write review paper. As obvious, the study of all published papers concerning our studying field is not possible and these software can help us to...

27 February 2021 6,296 1 View

How can we raise the figure when we writing a paper with Latex ?

Hi, everyone. I'm a starter to write a paper by Latex. But I have some difficulty using it. I'm writing the paper with 2 columns. And, there is one figure that occupies the 2 both-sides. I want to...

26 February 2021 3,738 3 View