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Questions related to Chemistry
Does biochar increase microbial growth and effect of biochar on the release and loss of nitrogen from urea fertilization?
21 March 2024 9,365 4 View
1. If I air dry the sample overnight, how should I prepare it for UV-Vis, FTIR, DLS, and SEM/TEM characterization? 2. Do I need to add a buffer to maintain sample solubility? Should the...
20 March 2024 4,813 5 View
The so-called sex instruction which is given by parents and schools usually consists of a certain amount of information concerning the anatomy and mechanics of reproduction. (Alfred Kinsey)
20 March 2024 1,491 3 View
In non-polar solvents such as cyclohexane or heptane, we are observing biexponential fluorescence lifetime decay in few amine derivatives, which is an unusual observation. Could someone be able to...
18 March 2024 8,257 3 View
How to remove azo dyes in wastewater?
17 March 2024 1,607 4 View
1. what is a good and Inexpensive (preferably aliphatic) solvent for SBR ? 2. how we can dissolve SBR bale in White Spirit (402) solvent ? 3. how we can grind SBR bale ? 4. How we can reduce SBRs...
16 March 2024 236 3 View
Hi all, I encountered an error while running SCF with SOC+U using Quantum Espresso 7.3. Here is the error%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Error...
10 March 2024 9,055 4 View
Dear All, I have a problem in one of my longitudinal studies. I have investigated relationships between a few variables, and found some confusing results: 1) In cross-sectional analyses...
07 March 2024 1,196 0 View
How might gene editing improve food production and crop yields and role of technology in agrarian change in India?
06 March 2024 3,229 2 View
Hello, what is the best way to determine the 19F-NMR yield using mnova as software? What are the processes I have to do before integration of the internal standard and product peaks? Which...
03 March 2024 7,776 2 View
Hello, Our team is using carrageenan as a natural polymer for hydrogels. We'd like the surface of our hydrogel to be tough enough to resist minor scratch and tear. As much as possible, we'd like...
01 March 2024 9,755 3 View
I'm trying to simulate pyrolysis process of coffee waste to activated carbon in Aspen plus, and i receive error in decomposer. Could anyone please help with this error?
29 February 2024 1,838 0 View
In pre-processing, when transforming hyperspectral data to a Minimum Noise Function(MNF) data, the dimensionality will reduce and at the same time the wavelength information will loose. B'z MNF...
27 February 2024 8,010 6 View
Are these lines related to vibrations?
27 February 2024 2,532 2 View
I am trying to calculate the NTOs of a specific td-dft calculation. I am using this input: %oldchk=state9oh.chk %chk=state9.chk %nproc=8 #p m062x/6-31+G(d,p) Geom=AllCheck Guess=(Read)...
27 February 2024 9,937 3 View
What happens if the media is double autoclaved immediately after the first autoclaving? I am going to inoculate the Trichoderma; will it affect the sporulation of the Trichoderma?
26 February 2024 3,016 0 View
Is it normal, please if someone did it guide me, or give me a link
25 February 2024 4,462 3 View
We have two compounds, which are highly soluble in water even we can't separate through workup or filtration (one is amino acid derived amide and other is amino acid)
22 February 2024 1,632 2 View
Can anyone please help me to calculate enrichment factor (EF) for the given situation [Sample volume (Copper, Cu) = 4 mL, Initial metal concentration = 100 ng mL-1 , metal elution solvent volume...
21 February 2024 2,883 5 View
What does "department" mean. Is it university, faculty, or language department in my case? When I upload a publication, I type "Univesity of Helsinki, Helsinki, Finland".
20 February 2024 2,181 0 View
Our team is currently developing a biodegradable hydrogel for external use (skin-contact use). We want to somehow coat the hydrogel to avoid excessive swelling and/or evaporation of water content...
20 February 2024 3,683 8 View
Transition Metal Catalysis.
18 February 2024 5,395 5 View
How can you design a curriculum that incorporates hands-on learning?
18 February 2024 5,327 2 View
Hello everyone, I am seeking information regarding the recovery of palladium (Pd) from palladium-plated ferrous (PPF) material. Initially, I prepare a leaching solution using sodium cyanide (NaCN)...
14 February 2024 2,316 1 View