Is there any tutorials (examples ) available to learn or run mvapack package for metabolites study ?

how is mvapack package more suitable for metabolites ?

06 July 2016 9,252 0 View

What are the methods to confirm a laser beam has a continuous or pulsed nature ?

by seeing naked eye can we think, what is the behavior of laser beam ?

11 December 2015 783 12 View

Why we need Green function in electrodynamics ?

by using Green function , the problems become easier or complicated ? what are the applications to use this Green function ?

09 October 2015 431 4 View

What are the fundamental differences in classical electrodynamics and quantum electrodynamics ?

how we can correlate them ?

08 September 2015 7,836 8 View

Is it possible to achieve population inversion when you have no cavity in laser system?

I want to ask about random lasers in which there is no cavity, so how we can achieve population inversion for lasing action ?

08 September 2015 4,639 12 View

We have three level and four level laser systems. why we don't have five level or more level laser system ?

is it possible to make a laser which have lasing transition in between 4 to 3 level or 5 to 4 level ?

07 August 2015 9,096 1 View

What are the random lasers ?

06 July 2015 3,015 2 View

Why are s to s transitions allowed in He-Ne laser ?

As the atomic selection rules says that s to s transitions are not allowed i.e. there must be a change of the angular momentum ?

04 May 2015 6,347 5 View

We have a mirror. How can we identify which are the coated and uncoated sides by using a laser ?

When we shine a laser beam to the both side of the mirror (silver coated and uncoated), I am not getting fringes. How can we recognise both the surfaces? Is there any problem with my technique ?

04 May 2015 7,010 18 View

What are the differences between femtosecond, picosecond, nanosecond and millisecond laser ablation ?

03 April 2015 3,168 6 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 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

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View