i have lock in amplifier in my laboratory and want to learn how to use it properly
Here is a good resource if you still need help: http://www.thinksrs.com/downloads/PDFs/ApplicationNotes/AboutLIAs.pdf
If I have deposited semiconductor thin film followed by metal deposition for electrical measurements, and since both of the shape and area of the contact electrode a can be varied,s illustrated in...
08 September 2018 918 4 View
Optical absorption of nanoparticles is characterized by broad absorption spectrum with no clear edge for the main absorption band (I. e. Band gap). What are the main reasons?
01 February 2018 4,690 7 View
Through the analysis of some spectroscopic spectra (e.g. XRD, PL, FTIR and Raman) various baseline mode can be applied for obtaining a well defined Gaussian or lorentzian peaks, hence baseline...
31 December 2017 6,726 2 View
in the case of ZnS nanoparticles, the transformation from cubic to hexagonal associated with the increase in the particle size and decrease in the value of optical band gap, which is contrary to...
06 July 2016 10,128 1 View
I excited nanostructured ZnS with two different wavelengths and get the same emission peak center, but there is a big difference in the emission intensity, really I found difficulty in the...
06 July 2016 6,139 1 View
in attempt for investigation the distribution of trap states in ternary alloy of ZnxCd1-xS quantum dots, which produced by Zn, Cd and S interstitial and vacancies, some confusion in understanding...
09 October 2015 2,657 2 View
in some physical experiment glass convex lens were placed in the path of laser light for magnification geometrically not Intensity. I wander how this and the laser incident parallel to the...
02 March 2015 9,192 0 View
I tried to measure I - V characteristics for nanoparticles in the powder form, but I found it was not easy. What are the suitable circumstances for an accurate measurement?
10 November 2014 5,678 9 View
I have a strange result, in which CdSO3 is formed with annealing of CdS nanoparticles at 600oC. I assumed that I would be getting CdO, so it's a strange result for me and no literature confirms...
08 September 2014 2,423 3 View
Polyethylene glycol used as a surfactant to prepare metal oxide nano particles.
06 July 2014 8,162 1 View
“Here is a thought experiment. Let's place Rodolpho Llinas's jarred-brain on top of a body (Fig. 1). I bet Llinas would argue that his jarred-brain retains its own consciousness, and the android...
11 August 2024 2,483 1 View
The rate of glucose consumption by the neocortex is reduced by over 80% during anesthesia (Sibson et al. 1998), which disables the synapses (Richards 2002) that are inundated by glial tissue (Engl...
08 August 2024 3,118 0 View
Larger brains, which typically contain more neurons, store and transfer more information (Tehovnik and Chen 2015), but the precise relationship between number of neurons and information has yet to...
05 August 2024 1,238 2 View
I need the python code to forecast what crop production will be in the next decade considering climate and crop production variables as seen in the attached.csv file.
05 August 2024 2,977 3 View
Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...
05 August 2024 6,247 3 View
Hello everyone, I am currently working on a research project that aims to integrate machine learning techniques into an open source SIEM tool to automate the creation of security use cases from...
04 August 2024 3,196 2 View
When the entire neocortex is ablated in rodents, although they are still able to swim, all the limbs move continuously and asynchronously (Vanderwolf 2006; Vanderwolf et al. 1978). Normal animals...
03 August 2024 835 3 View
Machine learning (ML) has shown great potential in predicting the compressive strength of concrete, an important property for structural engineering. However, its practical application comes with...
03 August 2024 2,546 2 View
I have seen plenty of existing works on applied Reinforcement Learning (RL) policies for optimized scheduling in IoT networks including Q-learning, DQNs, and the newer ones including PPO for...
01 August 2024 8,754 2 View
Samuel Morse, the inventor of the Morse Code, understood that certain letters in the English language occurred more frequently than others (Gallistel and King 2010). To deal with this, Morse used...
01 August 2024 4,456 2 View