Which CFD software to use for a rough simulation?

Hi I'm a beginner in CFD simulations. I have a complex geometry and I want to approximately visualize the airflow passing through this geometry. I don't need the simulation to be fully accurate,...

01 March 2020 3,337 20 View

How do we choose the observation time for Deborah's number? Can we choose any arbitrary time length? Is it based on the material?

I am doing some relaxation experiments to construct a master curve. I am trying to find Deborah's number for my polymeric system but do not know what I should put as observation time in the...

25 February 2019 4,407 3 View

What studies contain methods on the synthesis or development of nanocomposites made up of graphene membranes and carrageenan?

I am currently working on a paper on the development of varied nanocomposites which are made up of graphene membranes and various polymers

02 March 2018 2,860 4 View

Are there studies which show methods of synthesis of graphene membranes?

We are planning to synthesize nanocomposites made up of graphene membranes and natural polymers

02 March 2018 1,477 2 View

Are there studies about development of nanocomposites made up of graphene membranes and some natural polymers?

We are planning on working on a project which would develop nanocomposites made up of graphene membranes and polymers

02 March 2018 6,950 4 View

Hello! Are there any researchers who can help us in analyzing and interpreting the data that we got from UV-Vis spectroscopy?

We are high school students from the Philippines and we used the UV-vis spectrophotometer for the data that we need in our study, however, we would like to seek professional help and opinion...

27 January 2018 4,517 5 View

Are there any studies that focus on the negative effects of too much fertilizers on plants?

We are looking for literature which can support or show the negative effects of excess fertilizer application on plants

14 October 2017 1,906 5 View

Do superabsorbent polymers/hydrogels have a negative effect on plants, soil, the environment or in humans, when it is being applied in agriculture?

I am looking for negative effects of SAPs/hydrogels when it is being used as a water reservoir in agriculture

18 March 2017 9,544 4 View

Hello everyone, Is it possible to use steady flow analysis instead of unsteady flow analysis in hec ras ?

because i don't have enough data to apply unsteady flow analysis. if it would be able it would be very good.

11 December 2016 4,074 3 View

How can I purify (recrystallization) NIPAm?

30 December 2015 306 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

How can I calculate the rdf of water molecules around 'Na' ions that are closest(adsorbed) to the nanoparticle(solute)?

Hi, I want to calculate the radial distribution function for water molecules around the Na+ ions adsorbed on the surface of a spherical nanoparticle using the gromacs trajectory dynamically? For...

28 February 2021 5,650 1 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View