Who knows why the Hf acid hold in a plastic bottle?
thanks in advance
Who can give me an indication, how can I compare a physical and mechanical character with an elastomeric polyurethane resin and a sufficiently flexible thermoplastic? Thanks in advance
07 August 2017 3,910 0 View
how can i conversion CPS unite of measure to SV or mSV? Thank you in advance
05 June 2017 8,317 0 View
Who knows, except styrene monomer another solvent for polyester Resin? Thanks you
01 February 2017 7,133 0 View
Who knows a silicone resin powder which had a melting point of about 200 degrees or even less? Thanks
11 December 2016 1,642 0 View
I want to make a flexible polyurethane foam, but I find many holes in the foam, how can I delete them? And have a smooth foam? Thanks a lot
05 June 2016 1,107 7 View
To make flexible polyurethane foam, necessary to observe the mixing process? I want to know , the oxygen of the air accumulates in the mix? How is the condition of mixing? Thank you Rezvan
05 June 2016 5,104 8 View
Who can help me to find a highly volatile and even polished metal surface. Thanks
02 March 2016 7,018 0 View
Why the polyurethane foam clings to the side?Also used stabilizing! Thanks a lot
01 February 2016 6,399 3 View
I have a powder copper color, but not is copper, a very fine powder and insoluble in water, in the acid does not give me blue green.Cerium may be ?? Tanks a lot
31 December 2015 301 0 View
What happens when I make polyurethane foam, and the foam does not remain stabl? Thank you
31 December 2015 8,147 8 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
I am working on Abaqus/Explicit(Quasistatic ) for the deformation of the auxetic structure model. Please explain how the plastic input value should be considered from the true stress-strain curve...
05 August 2024 454 3 View
Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...
05 August 2024 3,246 1 View
I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...
31 July 2024 2,033 1 View
Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?
29 July 2024 4,570 0 View
Hello, dear colleagues, I would like your help in finding a reference that provides an average water savings due to plastic recycling compared to the consumption of virgin materials, preferably...
29 July 2024 4,630 0 View
I am currently performing cell-free DNA (cfDNA) extraction from plasma using an in-house developed kit that employs silica-coated magnetic beads. My protocol works effectively with plasma obtained...
28 July 2024 3,559 0 View
I have been looking for the principle of Cysteine-carbazole-sulfuric acid reaction in research papers and books, but couldn't find it. This reaction is mainly used for the quantification of...
23 July 2024 3,891 0 View
Hello everyone, I am currently pursuing a PhD in Environmental Engineering with a focus on microplastic studies. My background is in Civil Engineering, and I am relatively new to working with...
18 July 2024 7,258 3 View
Sulfuric acid has changed color to yellow.
16 July 2024 6,964 0 View
