How can I learn to read Zetasizer Diagrams professionally?

Hello all, I got this Zetasizer result recently and did a quick scanning here to learn how experts read these results. And end up with these data: 1.The most useful or serviceable info is the...

15 December 2020 6,658 5 View

How calculate stacking-fault energy?

Is it possible to calculate stacking-fault energy by using XRD for steels?

02 June 2019 9,548 3 View

The quartz plate through which the RF power is coupled in an inductively coupled system, what is the reason behind the cracking of that quartz plate?

The quartz plate in the ICP system is cracked.what is the reason behind it. Can it be happened because of the RF power coupled through the quartz plate and it can cause some stress in the quartz...

25 November 2018 4,950 1 View

Why GIMMS NDVI3g NDVI Values are out of Range (Not in between -1 to +1)?

I am trying to measure GPP. I am using GIMMS NDVI3g data.When I was process data with Matlab, The NDVI values is displaying a range much beyond the limits ( above 10000 and below -3000). What...

01 September 2018 941 5 View

What are good and reputable journals of free cost in Parasitology?

I want to know the most trusted and reputable journals of free cost in parasitology especially marine parasitology if possible.

08 May 2018 4,815 3 View

What is the recommended value of posterior probability in Mr. Bayes analysis in the phylogeny tree?

12 October 2016 7,994 3 View

What is the best solvent of PEO?

25 March 2015 6,475 36 View

What is the grams per solution volume required to coat PEG in a spin coater?

11 March 2015 3,253 5 View

What is the best method to prepare PEG thin films?

I want to prepare a thin film from PEG polymer, but I ask what is the best method to prepare it?

21 February 2015 4,641 9 View

In solving PDE using wavelet operating matrix method (Haar wavelet) what is real relation between the number of points and the solution accuracy?

When solving partial differential equations, like diffusion equation, using the wavelet operating matrix method (Haar wavelet), why don't we get a better accuracy solution by increasing the...

01 January 1970 5,430 4 View

Why are we measuring gel content of NBR latex? Does gel content related to the amount of cross-linked in a polymer?

Hi good day to everyone! I am actually studying the gel content of synthetic latex. Refer to ASTM 3616, gel content is measure of insoluble rubbers in the chosen solvent. So, I just would like to...

07 February 2021 605 4 View

Can anyone help me with the problem of hyperelastic coefficients in abaqus?

Hello Everyone, I have done a uniaxial test on rubber and data (attached with the post) has been used in Abaqus to get YEOH's coefficient. But I am getting a warning that it is unstable? Can...

04 February 2021 5,975 3 View

Can you please help with the problem modeling a damper in ABAQUS?

Hello everyone, I am trying to model a damper in ABAQUS. I have obtained hyperelastic properties using a uniaxial tensile test and viscoelastic properties by relaxation test conducted in the...

09 January 2021 4,515 1 View

How to convert Time Domain DMA data to prony series?

Hello Everyone, I have Time Domain DMA data of rubber i.e. loss modulus and storage modulus varying with time with constant 1 hz frequency. I need to convert it into prony coefficient. I need to...

09 December 2020 5,211 3 View

How to reconstruct a Lamb wave by a series of pulses superposed?

Lamb wave is useful for solid structure health monitoring, and it consists many modes. Unlike ultrasonic bulk wave, when given a pulse excitation (for example, 5-cycle sinusoidal pulse), only...

08 December 2020 5,440 8 View

How do you prevent discolouration(yellow) in white rubber compounds?

The correct combination of ingredients must be used in rubber formulation. Is there another means to prevent discolouration other than reformulating compounds?

03 December 2020 8,960 3 View

Is it possible to identify/classify rubber using satellite imagery with machine learning?

As of now, I am trying to explore the potential of using high/very high-resolution satellite imagery with machine learning (ML) to identify or map forest cover (e.g. rubber). As a newbie in this...

17 November 2020 7,187 3 View

How to ultrasonic HOPG blocks in organic solvent to graphene dispersion?

Hello everyone,I was using the method from Nair(DOI: 10.1038/NPHYS2183) to ultrasonic HOPG in an organic solvent(NMP).after 8h sonication,unlike usual graphite which change into graphene...

16 November 2020 7,839 3 View

How can i increase the power of the ultrasonic pizeoelcetric sensor to atomize a viscous liquid?

I use a piezoelectric sensor, a humidifier electronic circuit and a 32-volt power supply to generate high-frequency ultrasound waves. I use these waves to atomize the liquid. the problem is that...

16 October 2020 5,097 8 View

How to syntheses Alkyd resin with bright colour from dark brown rubber seed oil?

All of the alkyd sample from rubber seed oil I have synthesized is always black in colour, such colour is not good for the production of white oil paint. I need help on what to do to achieve...

10 October 2020 9,860 1 View