We want to purchase an affordable Morris Water Maze for neurocognitive study. Who in Nigeria has purchased it or has supplier's link?
I prepare for each day a graph of the spreading of COVID-19 in Germany, the German state of Schleswig-Holstein, the region Kiel within Schleswig-Holstein and the administral ciecle of...
27 April 2020 6,032 3 View
I got them from a mineral collector, but obviously these are no crystal models.
04 October 2016 8,779 5 View
What is the physical limit of the edge steepness of a flat top beam Profile? We image the output (IR ns pulses) of a multimode fiber to our target in order to drill holes. But the low steepness of...
27 April 2015 8,781 2 View
I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...
01 March 2021 9,525 4 View
I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...
01 March 2021 3,703 3 View
When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?
28 February 2021 3,864 3 View
I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...
27 February 2021 8,483 3 View
Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...
26 February 2021 4,026 5 View
I recently switched the company where we buy our DMEM/F12 and i have noticed a signficant change in growth for my human olfactory neurosphere cell lines
24 February 2021 2,268 3 View
The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...
23 February 2021 912 5 View
As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...
23 February 2021 3,175 3 View
Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...
22 February 2021 2,541 4 View
Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...
22 February 2021 6,569 3 View