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I found in our store, a number of HPLC grade acetonitrile bottles which exceeded the normal shelf life (with about three years!). Do you have any idea of what the possible problems that may...
14 October 2023 8,503 2 View
XRD patterns of synthesized nanomaterials.
12 October 2023 8,675 3 View
Hi Everyone, I have difficulties with my current work analyzing S-Methylmethionine(SMM). According to several reports, the analysis of SMM can be done by HPLC with a UV detector (338nm) and OPA...
11 October 2023 1,121 2 View
Could you explain this scientific theory in a way that an ordinary person can understand?
10 October 2023 6,674 1 View
I have results about the alloy corrosion (OCP, EIS, and Tafel plot ant I need to get the equivalent circuit fitting parameters for EIS of the alloys in 3.5 wt.% NaCl solution under OCP conditions
08 October 2023 6,641 3 View
from computational physics point of view
08 October 2023 2,743 2 View
Reference Crawford, J. R., & Crawford, D. H. (1992). The Multifactorial Memory Questionnaire (MMQ): A New Instrument for Assessing Memory Function in Young Adults. Assessment, 3(1), 119–130.
07 October 2023 4,607 0 View
I am using THz time-domain spectroscopy to characterize my waveguide, I am getting absorption and tranmisttance values from the THz setup PC. I am getting S21 by taking the log of transmittance. I...
05 October 2023 8,352 10 View
I would like to find methods for calculating carbon reservoirs & rates of uptake.
04 October 2023 156 2 View
I am currently working on a project that involves analysing and understanding the distribution of wheel wander within a lane. Specifically, I am interested in identifying the probable positions of...
04 October 2023 4,974 4 View
Hi! I have a dataset with a list of species of sponges (Porifera) and the number of specimens found for each specie in three different sites. I add here a sample from my dataset. Which test should...
02 October 2023 5,000 4 View
optical losses
30 September 2023 8,892 2 View
Explain How IoT( Internet of Things) is fortifying the agricultural industry?
29 September 2023 8,805 2 View
On electroforesis result, there was a spesific band but always have smears on it
27 September 2023 9,989 1 View
I submitted a research manuscript to Hindawi Publisher. The status was updated to "Under Review" in 20 days from the submission, and again updated to "Pending Approval" after 1 month from then....
26 September 2023 9,383 1 View
How I reduce imaginary frequency in phonon bandstructure using vasp for 3 2 2supercell. What can I do next
23 September 2023 3,974 0 View
Hello Peers, Can anyone give me some resources or guidance on how to find the Refractive Index for Adenovirus ? Looking for any values previously reported in literature. Thank you in advance...
20 September 2023 1,999 6 View
I calculate phonon bandstructure which have alot of imaginary frequency. However I increase the supercell many times but does not work. Any information
19 September 2023 4,697 2 View
How do oceans regulate the composition of the atmosphere and how do ocean currents impact the climate and economy of a country?
18 September 2023 3,645 3 View
What is carbon transferred as in an ecosystem and role of forest in maintaining the balance between oxygen and carbon dioxide in the atmosphere?
15 September 2023 9,674 3 View
challenging question that I always thinking when I'm trying to think about sustainable environmental conservation.
15 September 2023 522 1 View
I have tried to create a spotlight several times, but it doesn't recognize the title, the, the platform ask me to upload it again, as a result of this situation my article is been removed from the...
14 September 2023 8,486 1 View
Optisystem or MATLAB or...
14 September 2023 5,209 0 View
I would like to know your thoughts on these social challenges
14 September 2023 1,672 1 View