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

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View