In a holly-core fiber, should the effective index of the fundamental mode be higher or lower than the core refractive index(n=1)?

Hi, I was wondering in hollow-core fibres should the effective index of the fundamental mode be higher or less than the core's refractive index (in this case, n = 1 because the core is filled...

17 January 2021 2,220 3 View

Is there a way to measure energy dissipation in Matlab/Simulink?

I am trying to measure the energy in (Joules) in a Surge Arrester MOV. I am simulating a Hybrid DC circuit breaker.

17 April 2020 259 3 View

How can I trip an ideal switch when a short circuit fault occurs?

I am simulating a Mechanical DC circuit breaker. I used a step to put on and off. I wanted to use a "compare to constant" block so that when the fault current goes over the threshold the ideal...

24 March 2020 1,709 3 View

DC circuit breakers?

Hi I am trying to simulate DC circuits; MCB, SSCB and HCB but i cannot find a model i can use. Does anyone know a journal or a simulink model i can use. Any help will be really appreciated. Thanks

17 March 2020 7,696 3 View

Can a research paper be sent to two journals at the same time, just to save time in case one of the two rejects the paper?

Most of the academic journals take so long just to review the research paper, and most of the times they reject the paper. I was wondering if any researcher can send his paper to two journals,...

18 July 2019 4,444 9 View

Can any body Suggest me a set up that I can build it up to study the surface roughness of transparent polymeric fibres?

I need to study the surface of nylon-6 blank fibres with a thickness of nearly 40 micrometre, I work in optics lab with many optical components such as beam splitters, lenses, mirrors ... etc, can...

18 March 2019 236 3 View

Active site of the protein: how much can it be changed before losing function?

How much spatial change can amino acids of protein's active site withstand before being unable to perform protein's function? We can, for example, compare X-ray or NMR structure of protein with...

16 November 2016 4,954 3 View

What may be the result/product when curcumin react with aniline or any other amine compound?

Could you please answer for what may be the result/product when curcumin react with aniline or any other amine compound, pls suggest some references if possible. Some of researches are found as...

07 May 2016 286 4 View

Can anyone suggest to me any antimicrobial activities of manganese oxide nanoparticles?

10 March 2016 3,709 3 View

Polyaniline composite with TMA, DMA and MA?

Polyaniline-based composite on GCE used for trimethyl, dimethyl and methyl amines through CV. In the case of TMA and MA the peak height was increased with increasing concentration, whereas DMA...

09 January 2014 9,090 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 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

How to generate AA6061 alloy or any aluminium alloy crystal in material studio?

I need to carry out molecular dynamics simulation on Aluminium alloy. For this i need the crystal structure that which could be further replicated to form a structure.

22 February 2021 1,410 1 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Build an orthogonal box in ASE?

Hello, I was wondering the best way to build an orthogonal box filled with a defined crystal structure in ASE. I know it could be easily done in LAMMPS, but I guess it is also doable in ASE. The...

21 February 2021 5,899 4 View