I need dataset for recommandation system?

Hi every body I need to collect datasets from different source to work on recommendation system algorithms, could you advise me how collect data?

27 February 2021 7,063 7 View

How to build .cks file (chemkin file) in ANSYS-Forte for hydrogen-diesel dual fuel?

Dear all, I'm trying to simulate the combustion of hydrogen diesel in dual fuel mode in ANSYS-Forte. I have kinetic reaction mechanisms file( .txt) but in order to build the .cks file in the...

28 December 2020 1,570 3 View

How to measure both Sulfites and Sulfates Ions In water?

Could you please help me to know a very simple method to measure the amount of Sulfite (SO3) and Sulfate (SO4) ions in the water? (titration preferred)

27 December 2020 9,350 4 View

How can I fix the `engine error` with no error message in Lumerical DEVICE software when it only shows directories instead of error message?

When I run my simulation in Lumerical DEVICE, it shows an error entitled `engine error` after reaching the simulation to 100 percent. When I right-click and chose 'job details`, it only shows the...

22 October 2020 4,973 1 View

What are the effect of data spread on Random Forest model performance?

Since I am using the Random Forest model in R to predict LST (land surface temperature) from actual LST, I realized that model performance is better in lower Average LSTs, thus I wanted to extract...

14 October 2020 9,278 2 View

How can I get rid of much amount of solvent which is needed for the reaction to make film by film applicator?

Indeed, I want to make a very thin film (50 microns) of PU on the steel surface as a coat. for the reaction, much amount of CHCl3 is needed to dissolve one of the reagents to participate in the...

12 October 2020 748 3 View

What is the major meaning of PCs in Principal Component Analysis?

I am using PCA to extract major meaningful data from many different parameters that are embedded in my remote sensing satellite imagery. I know that PCA is a dimension reduction model and the...

13 September 2020 7,596 7 View

How do I get the number of water molecules in a carbon nanotube?

12 September 2020 886 6 View

What is the best book to teach entrepreneurship to primary students?

What is the best book to teach entrepreneurship to primary students?

07 September 2020 6,757 3 View

Is there any specific Proportion for training and testing set for remote sensing images?

Can I use one Sentinel image for training my model and another one for testing? Since i have two or three images, I wanted to use one or two image for training and the rest for test. However, I...

20 August 2020 9,028 6 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

How can the use of Jolly Phonics improves the quality of reading, speaking and writing in rural disadvantaged communities in Papua New Guinea?

Jolly Phonics reading program is an effective way to teach early reading to young learners. How can lectures at the university prepare early childhood student teachers to teach Jolly Phonics to...

03 March 2021 3,731 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 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 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

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View