That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range. | Contact experts in Light to get answers
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Questions related to Light
I make a measurent of reflection of ligth absorbing coatings by PE Lambda 950 with integrating sphere with PbS detector and got the spectrum below Very high noises. Why this happen ? 1. The...
18 January 2023 6,439 10 View
Or is it only on a research stage?
17 January 2023 6,328 5 View
I want to separate our water and n-methyl piperazine with distillation but facing problem that water and piperazine are not separating out.
16 January 2023 5,658 1 View
I have obtained the raman shift peaks at 225 cm-1, 1580 cm-1 and 2935 cm-1. What does these raman shift peaks signify? Does bulk silver produce raman peaks? Why does the silver nanowires have high...
16 January 2023 3,573 5 View
I am from Physics, background and doing some experiment using a laser source. Using a collimating lens, I have made the beam as a collimated beam. The intensity distribution of collimated beam is...
12 January 2023 7,313 11 View
The speed of development and evolution of technical objects has become very astonishing. "Gilbert Simondon", the philosopher of technology, believes that technical objects have a kind of genome...
12 January 2023 554 2 View
plz recomend methods i have a problem about Mixing in pipe(polymerization). because of polymerization speed(too fast), static mixer used to be blocked with gel(polymer gel). so i need...
11 January 2023 8,123 2 View
Hi, I want to simulate Asymptotic Homogenization (AH) on a unit cell to see the anisotropy of the unit cell in Abaqus. Has anyone tried to simulate this homogenization method in Abaqus?
08 January 2023 6,777 2 View
Sodium hydroxide is added to water and after few minutes sodium silicate is added and the solution is kept for 24hrs for cool down. then it is used as an activator in geopolymer concrete. Some...
06 January 2023 3,341 2 View
Dear all, Using auxiliary sweep in Comsol, what is the difference between this two cases : 1/ Run continuation for : "Last parameter" 2/ Run continuation for : "No parameter" + Reuse solution...
06 January 2023 4,328 2 View
In other threads it was suggested that kinetic energy and potential energy compete for curvature. Kinetic energy was said to bend space backward compared to gravity. LaGrange function is well...
04 January 2023 4,794 15 View
Which food packaging journals can I submit my research paper free of charge?
04 January 2023 424 7 View
Hi, Excellent researchers all. I'm a new Ph.D. Student who wants to conduct some researches regarding Bayesian (model update, inverse problem). But I don't have any experiences in this field....
02 January 2023 1,354 4 View
I am trying to characterize the antibody conjugated AuNP's present in Borate buffer of pH 8 What would be the minimum amount of sample required to perform UV-VIS spectroscopy and what is the...
02 January 2023 4,807 2 View
If oxygen and Carbone are light elements and can't quantified by XRF analysis, which technique can give me the Carbone and the oxygen percentage in a raw dolomite.
02 January 2023 3,504 1 View
Why isn't the velocity of light given by the speed of the observer plus the speed of the light (addition of velocities)? Why does the light ray slow down and compensate or speed up and...
26 December 2022 9,069 23 View
The panicle rice mite (PRM), Steneotarsonemus spinki Smiley, is the most important and destructive mite pest attacking rice crops
18 December 2022 825 1 View
I am working on the isolation and caracterization of extracellular vesicles content by western blot technic. But I am not able to get for each experiment good concentrations for the EVs fractions....
18 December 2022 9,195 3 View
I teach an Intro. to Botany class where I would like to demonstrate the effect of exogenous ABA on stomata by having them add a couple of drops to an epidermal peel under a microscope. What...
14 December 2022 6,325 4 View
DARK MATTER AND DARK ENERGY Dark Matter cannot be detected by any device invented till the date. Dark matter is so light and spread over the universe indefinitely. Dark Energy is much more faster...
12 December 2022 233 2 View
Hello. Good Night Recently in class, students were asked a question that is important to me, and I heard some interesting answers. My question is, how can a woman perform many duties and...
06 December 2022 6,857 8 View
Does anyone have a good approach to using EDA for XRF purposes? I intend to apply EDA techniques in systematically sampling rocks, i.e., every 9 m or 3m inside the reservoir in a drilling context....
05 December 2022 9,820 2 View
Is an EDX analysis of lithium nitrate possible? I have not been able to identify lithium nitrate. Are there any possible explanations for this? If possible, also cite literature sources.
04 December 2022 3,345 7 View
I am trying to classify parking lots and roads with two subcategories each - light and dark. I tried using the support vector machine on ArcGIS with nearly 200 samples of each class, leaving the...
04 December 2022 884 2 View