How to reduce liquation cracking in super austenitic stainless steels ?

Super austenitic stainless steel castings showed liquation crack after liquid penetrant testing post heat treatment. How to reduce this in thick walled castings.

26 December 2020 7,959 3 View

How to prevent hot crack/hot tear defect during the solidification of Cu5MCuC Inconel alloy ?

The Cu5MCuC Inconel casting produced by pouring into a sand mold seems to have developed several hot tears/hot cracks. The cracks opened up after heat treatment. How the tears/cracks could be...

01 November 2020 190 5 View

Could someone kindly provide me insights on books/science papers/tutorials (paid or free) on Randomised Design of Experiments (RSM Methodology)?

Looking for materials involving information (Basics to advanced) on Randomised Response Surface Methodology Designs for optimisation problems in engineering.

24 June 2020 8,751 9 View

How to Identify the vertices of a polyblock in monotonic optimization?

I want to use the Polyblock Outer Approximation(PA) Algorithm to solve a monotonic maximization problem. By exploring the hidden monotonicity property, was able to represent the problem in the...

12 February 2020 3,360 1 View

How do I interpret the below test for Uni-variate normality?

Hi, I have a large data sample with 15k rows and I am trying to perform uni-variate normality analysis on the dataset. I have come to understand that normality tests are really sensitive towards...

11 March 2019 3,041 4 View

How can we evaluate the percentage of carbon fibre present in a composite moulded part made from carbon fibre and Nylon?

I have a component made up of Nylon and carbon fibre and it is moulded. Can someome please explain how to evaluate the quantitative percentage of carbon fibre present in this composite. I know the...

20 March 2018 6,949 15 View

How to calculate J integral using domain integral method?

Hi, How to calculate 3 components of j integral using domain integral method.

14 May 2017 280 3 View

How to calculate displacement gradient matrix?

Hi, Is it possible to calculate displacement gradient matrix from strain tensor and gauss point co- ordinates

10 April 2017 6,741 3 View

How to calculate the Orthocenter of triangle?

28 February 2017 8,762 3 View

Delta delta Ct analysis for prokaryotes?

What is the significant fold increase for delta delta ct analysis for a prokaryotic gene. Is it above 2 fold? If so, have any one have got above two fold increase in any prokaryotic gene? Iam...

30 November 2016 6,039 3 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Can cells be reused after using WST 8/ CCK 8 from Sigma Aldrich?

Hi all, Can cells be reused after I have seed them onto 96 well plates and test them with cell counting kit at OD450 (CCK8) at 12 hours, wash them with PBS x3 and add new media and let them...

24 February 2021 5,072 1 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

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22 February 2021 9,932 11 View

Covid 19 Pandemic ' impact on digital transformation?

Covid 19 Pandemic and digital transformation

22 February 2021 3,351 5 View

How can we improve AI in detecting fraudulent activities on digital payments?

I am conducting a study on the effectiveness of AI towards detecting and averting digital payment fraud. What are the popular AI techniques being adopted in mitigating digital fraud and how could...

21 February 2021 3,888 4 View

Is it okay to mention you distributed your qualitrics study link through social media sites?

Just want to be clear and know it is okay to say I have distributed the qualitrics link through social media such as Facebook, Instagram and Twitter to ensure my target audience is reached in my...

21 February 2021 5,143 2 View

Are we using now IT technology effectively?

I discover now two my papers, which are more then 30 years old and which are describing something, what was done in years 1985 -...

21 February 2021 5,008 3 View

What is the minimum number of exosomes/ml to have a good yield of total RNA for Illumina sequencing?

I am using IZON qEV2 columns to isolate exosomes from 100 ml of cancer cell conditioned medium. in NTA analysis I usually see concentration of 2x10^9 particles/ml. But when I proceed with this...

20 February 2021 6,879 3 View

Any suggestions or recommendations on a good publishing house based on the African for academic books in the field of Communication and media studies?

I am currently working on a book on Public Relations (from an African perspective) and the rationale behind the book is the fact that as instructors in this field, we borrow instances and case...

19 February 2021 2,482 2 View