What is the difference between a shared aperture antenna and a dual band antenna?

Can the dual-band antenna be called as a shared aperture antenna? Difference between shared aperture antennas and dual-band antennas?

30 December 2020 7,118 4 View

How to make a standard curve for qpcr?

Hi there, I am working on airborne microbes. I want to know the concentration of bacteria in my sample before I go for NGS. Since it is an environmental sample it might have a lot of mixed...

17 November 2020 314 3 View

How to cluster the ORF sequences?

Hi, I have found the ORF region of my nucleotide sequence which was obtained from Sanger sequencing using 16s universal primer. I have to cluster them before using them in my model. I am using...

13 August 2020 1,079 4 View

ARIMA with Sliding window?

I have 245 daily stock returns with some explanatory variables. I will compare the ARIMA and ARIMAX models with some basic machine learning techniques. The training periods will be 30, 60, 90, 120...

09 August 2020 9,344 1 View

Difference between point source, line source and plane wave excitation in FDTD?

Excitation in FDTD could be point source, line source and plane wave. What is the difference between the three? Also which type of source could be used for various applications like antenna,...

08 May 2019 4,691 4 View

How to display a 3 Dimensional matrix by their values in Matlab?For example if x is a matrix of size 20x15x6.How to visualize the structure in MATLAB?

For example to model a microstrip patch using FDTD. The 3D array would be of size MxNXP. How to pictorically represent the structure using MATLAB?

08 January 2019 6,765 4 View

What are the alternatives to TexGen, textile geometry modelling software?

I have been using TexGen for sometime now and I need to create layers of textile in different orientations and I haven't found a way to do it in texgen. Are there other softwares that are good for...

24 May 2018 9,506 4 View

Do plants have similar PI3K-Akt signaling pathway?

30 September 2017 1,052 1 View

How can I draw dot plot (Column scatter graphs) for different groups and denote comparisons?

How to draw dot plot for different groups and denote comparisons ? (See attached images) If there is a procedure in SPSS/ Excel or if there is any free user friendly online S/W guide me. Thank you

22 June 2016 7,644 8 View

Where can I find Vernonia oil (seed oil)?

21 May 2016 6,230 2 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 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

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

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 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