I am preparing a glass sample from a composition which is in a fine powder form,so, is there any condition for preheating process before melting the composition or in which situation preheating is desirable?
I would like to order JASCO V-770 UV-Vis-NIR spectrophotometer, my question is, can we use this instrument for studding absorption spectra or it has capability only for transmittance and...
05 June 2018 8,102 2 View
The reduction of Au+ particles to Au0 NPs can be discussed by the reduction potential (E0) of redox system elements. my question is, how will you calculate the reduction potential for Au+/Au0 and...
02 March 2018 896 0 View
Is there any relation between NPs size and energy band gap, I mean how the energy band gap vary with the nanoparticle size? please provide your answer with a mathematical relation if there is?
02 March 2018 4,637 26 View
in studying the interference of light through the Michelson interferometer the fringes pattern will appear in circular shape with the dark fringes from the center, my question is why the fringes...
02 March 2018 9,966 4 View
For most of the materials in order to conduct electricity, a material must have some charged particles that can move through the material when an external voltage is applied on it. so can glass...
02 March 2018 377 4 View
If you have a composition consists of 5 or more different material and different mole fraction ratio, depend of what rule you will choose a suitable melting temperature in order not to evaporate...
01 January 1970 4,170 2 View
when you calculate transition probability, oscillation strength or any other parameter through Judd-Ofelt theory, what kind of physical unit will be used, for example Planck constant, electric...
01 January 1970 4,256 4 View
Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...
09 August 2024 7,615 1 View
I need a very narrow glass capillary for my research. How can I make a glass capillary with an inner diameter of around 200 to 500 nanometers?
08 August 2024 8,915 0 View
What is the prepared reference material that can be used in the ICPE-9820 Shimadzu Japan instrument, which employs inductively coupled plasma optical emission spectrometry (ICP-OES) to measure...
06 August 2024 1,896 1 View
I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...
06 August 2024 1,367 3 View
Are there any statistical methods to justify your sampling technique using SPSS or AMOS?
05 August 2024 9,153 4 View
Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...
04 August 2024 8,997 1 View
I am conducting a qualitative study that uses interviews to investigate the perceptions of teachers about a particular leadership practice and I am focusing on 3 schools which have a total number...
01 August 2024 8,457 10 View
In some data sources it has been grouped in Q1 and some shows it is Q2.
29 July 2024 4,227 2 View
I have multiple small samples of grass pollen with anthers. I want to find a method to identify concentrations of proteins, lipids, and other various elements for these samples. any suggestions?
28 July 2024 5,331 1 View
The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.
25 July 2024 9,976 3 View