Due to electron pair donating of nitrogen in phenantroline to palladium and back bond to nitrogen pi star, wave number of CN double bond varies.
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I need to perform cross-sectional SEM imaging on aerogel samples to study their microstructure. Since the aerogels are quite soft and flexible I want to know how can I make a cut without tampering...
07 February 2024 1,715 2 View
I'm searching for best blend of waste polyethylene between (high density, medium density and low density polyethylene) for improving mechanical properties of hot mix asphalt against rutting,...
06 January 2024 7,773 3 View
There are multiple methods to estimate the crosslinking density of a polymer. However, I have not seen an example of using these methods to calculate the crosslinking density of a polymer that is...
07 April 2023 7,583 1 View
Is there any way to calculate the molecular weight of a polymer composite using DMA or rheology without knowing the K and alpha? I need to calculate the molecular weight, or the polymer chain's...
07 April 2023 862 5 View
I want to measure the Specific Surface Area, Pore Volume and Pore Diameter of a piece of paper and I wonder what the proper method is for doing that. I previously used BET N2...
21 March 2023 7,863 3 View
which type of basis set has enough accuracy (6-31, 6-311G) for a reserch publucation (in view of optimun calculation time and highest accuracy) for opt+freq of dimond with 120 atom? (tetrahedral...
08 December 2022 4,373 4 View
the equation is look like the below. Immun Factor =~ L activity + Cel M Im + IgT.2 + IgY.2 + IgM.2 + IgT.1 + IgY.1 + IgM.1
24 October 2022 7,920 6 View
In systems analysis, wavelet transform is used compared to Fourier transform, because wavelets are functions in which most of their energy is concentrated over a short period of time and converges...
17 February 2022 1,897 4 View
Chaos is a long-term non-periodic behavior in a deterministic system that is dependent Shows sensitivity to initial conditions. The operating environment of chaos is dynamic systems. A dynamic...
25 May 2021 7,408 3 View
Hello friends, I intend to simulate the cementation process in porous media (i.e. granular soil). I'm not sure if I can model the cement slurry as a mere fluid with high viscosity and density. If...
19 May 2021 4,214 4 View
The paper in question is "Interpolation of Nitrogen Fertilizer Use in Canada from Fertilizer Use Surveys". This paper was very recently published by Agronomy (MDPI). Agronomy has, in the last day...
07 August 2024 9,934 3 View
Hi all, my experimental XPS results shown that my C3N5 sample consists of N-H bond, hence in this case I should incorporate the N-H bond into my DFT modelling. However, I do notice several papers...
07 August 2024 8,414 2 View
What is the best way to freeze the rat brain - liquid nitrogen, Dry ice , isopentane - after isolation for later protein investigation by Elisa?
01 August 2024 1,722 1 View
The resin bonded carbon containing refractories are aged before use. How time of aging is determined? And mechanism behind aging.
23 July 2024 3,205 0 View
The earth has a orbit, but not for the sun. Similarly, all planets have orbits, but not for stars like the sun.
18 July 2024 1,768 4 View
The adsorbate is Arsenic and the adsorbent is a soil
18 July 2024 332 8 View
Hello, I'm trying to create parameter and coordinate files for a drug (PRG-A01) found on the following page: http://www.probechem.com/products_PRG-A01.html I used the guide made by Michael...
17 July 2024 3,472 3 View
Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...
15 July 2024 9,975 1 View
A universe model compatible with VSLT The research of Halton Arp and Eric Lerner supports a stationary universe, and the intrinsic nature of redshift, i.e. not linked to its presumed expansion...
14 July 2024 4,092 5 View
I have to compare the FTIR of the two samples, one is in powder form and other one is the powder dispersed in IPA or water. Both are same material, so how the bond will change
09 July 2024 8,011 2 View