How to define the sink temperature and film coefficient?

Hi, everyone. I am considering the heat conviction during compacting simulation by Abaqus. I was wondering that how to define the sink temperature and film coefficient? Is there any references...

21 February 2021 6,197 1 View

Can RNAscope be used to quantify the mRNA expression level of certain genes?

Hello, all, I want to explore the mRNA expression level of certain genes in the brain under physiological and pathological conditions. In previous studies, the researchers usually isolated the...

18 February 2021 1,518 1 View

How to define thermal failure in Abaqus?

Hi, everyone, I am simulate the impacting CFRP model, I want to know how to define thermal failure during the impact process because epoxy degraded owing to thermal effects. Thank you so much for...

25 December 2020 7,424 3 View

How to define thermal conductance in Abqsus?

25 December 2020 3,596 1 View

ESA Eureca spacecraft Solar Array Arcing demage, What is the cause of the problem?

We see a photos of solar array damage suffered by the ESA Eureca spacecraft that was recovered by the Space Shuttle. photo shows a sustained arc site on its solar arrays. In this case, the...

23 December 2020 2,512 2 View

Micro-scale unit in Abaqus?

Micro-scale unit in Abaqus. Hi everyone, I am working on micro-scale simulations, the length of the model is micrometers. So, some information is provided on the internet, but some part is...

10 December 2020 8,448 3 View

How to reduce background noise when testing cholesterol level in rat serum?

l've got rat serum samples with different background (from pink to yellow) and l'm trying to test total cholesterol, HDL and triglyceride in mice serum. l'm worried that the background noise...

14 November 2020 6,628 3 View

Is Uniform Convergence property contradictory to No Free Lunch Theorem?

In Statistical Learning Theory, Uniform convergence means for a hypothesis class H, given m(\delta, \epsilon), for arbitrary distribution over domain (X, Y), with probability $1- \delta$, the...

03 November 2020 7,732 5 View

How to recognize and verify the crystallization occur or not?

Hi, everyone My feedstock powder is water atomized Sn with a diameter range from 10-100 um. After the cold spray processing, the EBSD maps can be obtained. Because my smallest powder is 10um,...

07 September 2020 7,766 4 View

What is we need for Sequence learning (Speech, NLP, Finance, Transportation and so on)?

In 2017, a famous paper proposes Transformer which successfully adopt self attention as well as FFN for NLP. The paper is called "Attention is All You Need". This work lets many scholars know RNN...

11 August 2020 8,119 11 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 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

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View