How to obtain covariance function in a binary digitalized image?

Hello every one, Does anybody know how we can practically obtain the covariance function C(X,h) of a binary image? Best regards, Pedram

05 January 2021 8,722 3 View

Is it possible for anybody to help me for fix bridge modeling in OPENSEES?

I modeled a two-span concrete box girder bridge base on FHWA design specification, and now I recognize a problem in modeling because my first period is higher than I expected. With initial...

12 July 2020 415 3 View

No title

14 July 2019 6,848 5 View

How to calculate the Curie temperature in thermo-calc software?

The curie temperature is a temperature which above it the magnetization of ferrite/martensite disappears in steel, how we can calculate this temperature via thermo-calc software?

25 January 2017 4,793 3 View

Which Eyetracker is good for working with children?

I want to know that is there any special eyetracker device model that can be used for working with children between 6-24 months. There is many models from companies like SMI, Tobii, Eyelink, ...,...

16 September 2016 9,041 1 View

Underground water finder tool?

Hello, I am Phd candidate and I want to study on environmental factors influencing Tugai forests (riparian forests of dry regions) located at Khouzestan province, Iran. I am looking for an...

14 February 2016 231 2 View

I have trouble in detecting my protein of interest in total cancer cell line lysate in western blot. How should I solve this problem?

I can detect beta actin band and my cell line is MDA-MB-231 breast cancer cell line.

29 September 2015 7,619 20 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 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

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 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

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View