Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

Lift off problem with Indium/Gold deposition?

Hi, I'm doing 5/40nm In/Au e-beam evaporation at rates 0.2A/s(for In),1A/s(Au) on lithographically(doubly coated 495k,950k PMMA e-beam resist) done Si substrate at base pressure 2e-6torr. I'm...

18 January 2021 7,550 4 View

How much would be the particle size difference between Malvern Zetasizer Ultra Particle Analyzer and TEM for the same Nanoparticles?

I am measuring the particle size of nanoparticles by Malvern Zetasizer Ultra Particle Analyzer but I am not sure I would get a better size with TEM or not. Because I read in a paper that there is...

05 January 2021 1,612 8 View

Why a distorted admitance value is obtained while doing mixed mode simulation of TFET with dyanamic non local BTBT model in Santaurus TCAD ?

AC analysis of TFET device along with dynamic non local BTBT model shows a distorted admitance. But while using Local BTBT model a good values for the admitance is observed.

20 July 2020 2,465 1 View

If a system is stable in each of the operating regions, can it be said that the system is stable for the entire operating region?

If an operating region is divided into a number of sectors and if it is shown that the system is stable in equilibrium point corresponding to each of the sectors, can it be said that the system is...

21 March 2020 8,816 6 View

Which is the best instrument for the Soil Erosion Measurement?

I want to measure the soil erosion of a watershed. Is there any instrument which will help me to measure the soil erosion?

24 February 2020 8,934 22 View

How to do optimization by neural network in matlab?

I have used 30 experimental data set for ANN modelling (Matlab) and RSM based optimization (Design Expert). The RSM and ANN predicted data was compared and it was observed that the ANN model has...

30 January 2020 7,760 3 View

Where we can find the World geochemical background values of these heavy metals Fe, Zn, Pb, Cr, Cu, Ni, Cd for calc of sediment indexes?

These background values/reference values can be used for calculation of different indexes, viz. enrichment factor, geo-accumulation index, contamination factor, pollution load index and many more.

22 January 2020 8,948 3 View

How to incorporate random uncertainty within the A-matrix represented by a gain block in Simulink?

I have a Simulink gain block that houses the A- matrix of the plant and I want to add randomness into the parameters of A-matrix. How do I achieve that in Simulink?

05 December 2019 6,127 7 View

How to code in Matlab Ellipse by Oblong method?

How to code in Matlab Ellipse by Oblong method? The Video link is given below- https://www.youtube.com/watch?v=TNQE9vN3QJo&t=23s

08 November 2019 3,238 1 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

How to indicate the degree of litter decomposed by microbes?

Any technique could detect the degree of litter decomposed by microbes? Or any indexes could do this job? I want to split the contribution of microbes during decomposition, so any suggestions...

23 February 2021 1,362 5 View

In frequency domain alpha band(8-16hz), beta band(16-32hz), gamma band(32-64hz), sub-band(64-128hz) are same as LL,LH,HL,HH in wavelet decomposition?

I am working on single trial motor imagery data i.e. EEG data. I am following a paper which has a dataset from BCI challenge IV (dataset 2b). After removing noise and extracting all the data from...

23 February 2021 5,503 1 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View

Can bio-decomposer be a successful alternative to reduce residue burning?

To maintain the proper crop plan most of the times there is not enough time to make the field ready for the next crop. In this particular context , can bio-decompser be a solution? What about...

16 February 2021 7,068 24 View

How much costs direct reduction of nitrogen on farmland in terms of lower crop yield?

Dear research fellows, I wonder if someone knows how much direct reduction of nitrogen on farmland costs in terms of lower crop yield expressed as EUR/kg nitrogen (or similar)? I understand that...

15 February 2021 1,323 3 View