What are the easy methods or techniques to synthesize green nano particles?

because many technical steps are there to get a particular plant nano particle and its expensive too

14 January 2021 1,556 4 View

For a PCR the volume of each component is standard ?

for example the total volume is 50microliters how can we know that what will be the amount of template , buffer, enzyme, primers (forward and reverse), dNTPs, MgCl2 and water?

02 January 2021 3,352 6 View

How can we know about the final concentration of each component to be used in the master mix for the PCR ?

Final concentration for each component in master mix depends on what or how it will be known that in this master mix the concentration required is __ microliters ?

02 January 2021 5,764 2 View

How can I separate features and the background to measure pixel intensity?

For image processing, I am using ImageJ. I need to separate the features from the background and calculate pixel intensity of features and background. Can anybody help me in this? Thanks

09 December 2020 7,472 9 View

Which are the appropriate metrics can be used to calculate overall Precision, Recall and F-measure in different data samples? and when can use F1?

If we have three different domain of data (e.g. security, AI and sport) and we did 3 different case study or experiments (1 for each domain) and we estimate the Precision, Recall and F-measure for...

07 December 2020 9,833 3 View

How can stem cells repair damaged cells?

How can stem cells repair damaged cells? Could anyone provide papers show the therapeutic potential of stem cells in vitro (on the disease model)?

29 November 2020 9,534 6 View

How can to calculate the Computational complexity/cost (espatially, number of operations and space/memory cost) for an algorithm?

As we know, computational complexity of an algorithm is the amount of resources (time and memory) required to run it. If I have algorithm that represents mathematical equations , how can estimate...

25 November 2020 6,950 7 View

Which is the best scale available to measure conflict management styles?

I have come across multiple instruments for conflict. Now I'm confused as to which one to use. Expert opinions are welcome.

22 November 2020 3,651 5 View

Chi square test for the over time tested variable ?

16 November 2020 8,291 4 View

Help me find the transfer function of the following non linear coupled ODE system ?

I need to find the transfer function for the system in MATLAB. I do know the ss2tf command but its not that simple. Please guide.

08 November 2020 4,414 1 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

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 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

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View