Determining yield strength using offset requires extensometer?

I would like to know if extensometer is necessary to determine yield strength of nickel 718 alloy? Or using cross head movement to estimate the sample strain is sufficient? I'm using 0.2% offset.

13 January 2019 7,042 7 View

What is the reason for the wide price range of Carbon Nanotubes? How to assess the quality of CNTs?

Suppliers of carbon nanotubes (SWCNT, DWCNT, MWCNT) provide very different quotes for their product which, at an industrial level, should be related with their quality: - How to assess the quality...

05 December 2018 5,514 3 View

Influence of mounted sample height on SEM images?

I have several samples that have been mounted however the sample height differs, which means the working distance will differ as well. May I know how this will influence the the image captured in...

25 March 2018 7,831 4 View

Can you help me with latent class or Latent profile analysis learning materials?

Hi, I want to learn more about latent class/ latent profile analysis as part of a research project. I wish you could point me out to materials/courses based on R or other free software. Thanks.

24 September 2017 8,355 6 View

How to assess motor skills performance?

Estimated community, I am planning to do a behavioural experiment recording fNIRS and muscular activity during (bi)manual motor tasks. These tasks are to be planned in three degrees of complexity,...

20 September 2017 6,387 4 View

The permittivity of Ag is characterized by the Drude model in Comsol Multiphysics

11 August 2017 2,606 2 View

How-to Plot Transmission Spectra vs Wavelength in Comsol

How-to Plot Transmission Spectra vs Wavelength in the Comsol Multiphysics Software?

08 June 2017 2,463 3 View

How do I check for Tg based on DSC graph shown?

Hi I have attached a DSC graph in this post. Based on my interpretation theres two Tg in this graph? Is my analysis correct? If not, how do I analyse this?

20 February 2017 6,521 10 View

Curing method of concrete for 28 days compressive strenght?

Based on the following standard ASTM C 39 and C 192, the 28 curing time does it include the time at which the concrete is inside the mold? If yes, which means it will be cured 1 day in the mold...

30 August 2016 616 17 View

What is the smallest possible sample size for a reliable mann-whitney-wilcoxon analysis?

03 August 2015 4,705 3 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 View

Can anyone suggest a topic for the Impact of AI and ML in the financial institutions?

I am currently doing my Master Thesis in FinTech and I am thinking of doing my project on the impact of AI and ML on the financial industry but as the impact of these technologies on the industry...

21 February 2021 7,128 3 View

Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

17 February 2021 2,141 9 View

Dissertation Topic Ideas for MSc Business Management?

Hello, I hope everyone reading this is doing well during these tough times. I am doing my masters in business management and considering dissertation topics. I'm interested in taking an...

15 February 2021 594 26 View

What could be an interesting topic for a bachelor's thesis in a finance/marketing/computer science field?

Hi everyone! I would like to write my bachelor's thesis on a topic that's currently relevant in the sphere of finance, marketing or computer science (or if it's possible a topic concerning all the...

08 February 2021 1,300 12 View

I need books or anything else to help me to understand options and others financial derivatives products in english or french?

I am studying at Laval university and one of my course is about options and financial derivatives products , I really have some difficult to understand that course so I am looking for any...

20 January 2021 3,742 3 View

How does artificial intelligence impact cybersecurity?

With emerging technologies, the availability of data at every point of customer interaction has increased. Consequently, the need to monitor and secure the data has increased. With data being...

19 January 2021 7,944 9 View

Please how can I justify my regression results?

I conducted a study to investigate stock market reaction to equity issues announcement and i ended up with 64 announcements and i then used the announcement day returns as my DV and investigated...

14 January 2021 1,127 3 View

Data misrepresentation and Ignorance of socio-economic factors?

Do you think the majority of developing, underdeveloped, and even the developed countries lack in capturing the finer elements of behavioral data generated at various interactive and reactive...

13 January 2021 3,241 2 View