What are the limtations of using diode laser for pumping some lasers?

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Is skin yellowness an numerical or ordinal variable?

I have a response variable called skin yellowness, which I will measure via a scored color chart, whereby 1 is pale yellow and 15 is orange. I'm not sure if this counts as an ordinal variable,...

11 August 2024 4,793 1 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

How can I get old refernce in geomorphological mapping?

how can I read Waters, R. S. 1958. Morphological mapping. Geography 43 :10-17 from internet? note: not in google or resaearch gate

26 July 2024 7,813 3 View

How can the rubber fibres produced by the electrospinning device be removed from the fibre collect(aluminium foil) ?

How can the rubber fibres produced by the electrospinning device be removed from the fibre collector (aluminium foil) without affecting the orientation of the rubber fibres for use in reinforcing...

26 July 2024 8,281 0 View

My question concerns MTT cell viability assay?

Despite not having cells in the media, I am getting purple color. I have tried many troubleshooting methods, varying media types, and even different MTTs from different companies to figure out the...

21 July 2024 9,914 1 View

What are the modern topics to work under bacteriocin and fermentation as PhD student?

As PhD student specialized as food and industrial microbiology need to further research on bacteriocin and fermented food.

16 July 2024 7,394 1 View

The reason for breeding Loxp mice with FLPe mice?

I am planning to use CD4 Cre mice crossed with Loxp mice. However, the laboratory from which I am trying to get the loxp sperm says they have "the product of the EMMA ko crossed with the FLPe to...

16 July 2024 7,475 1 View

How to get a research question in educational administration and management in MPhil?

What are some of the areas to consider in undertaken research in educational administration in MPhil.

14 July 2024 8,394 2 View

How can i elucidate a compound using xrd?

XRD analysis

08 July 2024 977 4 View

How i can calculate mathematically COD concentration if i add 1gr from glucose to 1 L distilled water ?

how i can calculate mathematically COD concentration if i add 1gr from glucose to 1 L distilled water

08 July 2024 9,104 2 View

Using OBD technique i am trying to measure laser induced shockwaves velocity i found that at start velocity increases and then decay?

i am unable to interpret why its increases in start as shown in figure

11 August 2024 2,179 1 View

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

30 July 2024 8,339 2 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

How should operational parameters be selected when developing a pore-free laser welding technology?

There are three operating parameters - the laser power, the diameter of the focus spot and the scanning speed. It is necessary to obtain a seam of a given depth without pores. What parameter...

27 July 2024 7,168 2 View

Can we fit a gaussian Fit on a LIBS Peak ?

Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...

23 July 2024 6,127 1 View

How to download free version of BiofilmQ ?

I would like to use biofilmQ to analyse confocal laser image, how can do?

16 July 2024 7,628 2 View

How to install Quantum Espresso with Intel compiler ?

Hello ! I would like to do band structure calculations of perovsikites materials with quantum espresso. For this I installed the Intel Fortran compiler. This is what I get when I run the...

08 July 2024 1,207 0 View