How to calculate Hansen solubility parameters of mixture containing more than 5 solvents?

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Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

How do we get the plasticity multiplier of M-C criterion in FLAC 3D?

In the Itasca FLAC3D Documentation, it provides the expression of plasticity multiplier regarding Mohr-Coulomb criterion directly, without a detailed derivation process. Could anyone share the...

12 July 2024 7,850 0 View

How to Differentiate Tuffaceous Matrix from Clay Matrix in Sandstone Thin Sections?

I am conducting a study on sandstone samples and need to accurately differentiate between tuffaceous matrix and clay matrix when examining thin sections under a polarized light microscope. While...

20 June 2024 3,270 0 View

Can the mechanism of time dilation and length contraction of the special relativity be explained?

It is generally believed that time dilation and length contraction is a geometric effect, is there anyone has tried to explain the time dilation and length contraction effect in a geometric...

05 June 2024 1,591 6 View

How delay induces periodic behaviors except Hopf bifurcation?

Delay could induce the periodic behaviors through Hopf bifurcation, Are there any other bifurcations induced by delay that can lead to periodic behavior? Are there some references?

16 May 2024 10,003 1 View

How to eliminate the periodic functions in Eq.3?

The equation in fig.1 can be transformed to the one in fig.2. Using ‘atan’, we can turn the periodic function ‘tan’,which is on the left of Eq.1, to the sum of ‘atan’ and l*π. However, for the...

14 May 2024 8,585 4 View

Is it possible to optain the tansverse resonance condition for the two-layers structure?

Tansverse resonance condition for the single layer(FIg.3) waveguide has bee deduced, as shown in Fig.2, which contains the phase shifts cause by reflection and optical path difference. Only light...

24 April 2024 1,748 4 View

I deleted my public version of a preprint. If I submit the paper for publication, can iThenticate still find many similarities from online sources?

Thank you!

10 April 2024 8,336 1 View

i have a experimental problem?

In my experiment, I need to add three monomers to the solvent. Adjust the content of different monomers to obtain the materials I need. Now, I have a rough idea of what the polymer content is for...

06 April 2024 9,568 2 View

How to calculated the yield of QDs?

As the article Ligands for CsPbBr 3 perovskite quantum dots: The stronger the better? reported, Reaction Yield= mpurified*w%/n*MPb where mpurified is the mass of the dried quantum dots, w% is the...

01 March 2024 8,981 2 View

What is the solvent for 8YSZ nano material?

I need to do some experiment with it in liquid form.

07 August 2024 613 3 View

What is saturation solubility of insulin in saliva?? I need it to know sink condition ?

05 August 2024 4,407 0 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View

I need to dissolve stigmasterol for an animal experiment, it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent?

Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?

01 August 2024 7,504 2 View

For the moringa oleifera extract using ethanol as the solvent,what is the alternative method to concentrate the extract other than rotary evaporation?

99% pure ethanol was used for maceration also alternate methods along with the temperature and time to concentrate the extract can be specified

31 July 2024 5,113 4 View

How to explain the different interaction between soluble and insoluble polymer in water?

Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.

29 July 2024 6,350 3 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,163 1 View

Comparison of Methanol and ethanol treatment on collagen based scaffolds?

Kindly share a research paper that explains the effect of Methanol and ethanol treatment on collagen based scaffolds. How it increases porosity and swelling. Kindly help me find a paper. Thank you

24 July 2024 3,937 0 View

What does negative readings in spectrophotometer denote. Was testing TSS content of bacterial cultures?

I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...

22 July 2024 9,576 4 View

Why methanol and sulphuric acid used in the analysis of polyhydroxyalkanoates (PHA) by GC-MS?

Why methanol and sulphuric acid, used in the analysis of polyhydroxyalkanoates (PHA) methyl esters by GC-MS? Additionally, why do we typically use non-polar solvents in GC-MS?

22 July 2024 1,210 2 View