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 can I plot MODIS HDF-EOS grid images into geographic coordinates (lat-lon)?

I'm analyzing Madis products (MCD64A1), when I finish my analysis, I have a 2400X2400 matrix that I want to draw, but since the original image was in sine design, when using From imagesc, draws...

14 January 2021 6,534 2 View

Which syringe filters (e.g., PTFE, MCE, PVDF, CA, PES, etc.) are the best to filter TBS/PBS buffer (pH 7.5-8.5) and glycine buffer (pH 2-3) solutions?

I intend to purify antibodies from serum using the affinity procedure, and I need to filter the binding (TBS/PBS) and elution (Glycine) buffers before applying them to my solution.

06 January 2021 5,769 3 View

Geographic location of MCD64A1 images in hdf format"?

Is the lat, lon (geographical location) extracted from the MCD64A1 images in hdf format accurate, or should they be converted to the exact location because they are sinusoidal?

31 December 2020 4,988 3 View

Data set for customer baseline load (CBL) estimation?

23 December 2020 6,739 2 View

Output of rankMANOVA in R?

Dear all, I am working on data including two responses (count data, relatively correlated~R2=0.4, non-normal distribution, and violated the homogeneity of covariance) and three independent...

26 November 2020 711 3 View

As an EFL/ESL English teacher has your professional identity changed in any way during this time of virtual teaching?

Since teacher professional identity is ever changing and not fluid, do you feel as an English teacher your identity has in any way changed due to online teaching? Are you the same person when...

14 November 2020 7,788 11 View

For modifying of dna probe, which end of strand dna is better to modify, the end of 3 pime or 5?

Electrochemical microrna biosensor

01 November 2020 5,271 1 View

How has the Covid pandemic affected your classes as an English teacher? Have you been forced to switch to online teaching instead of f2f teaching?

I am interested to know how has English teachers' working conditions changed due to the pandemic and how they are coping with the new situation.

12 October 2020 1,803 1 View

What are the differences between an ultrasonic homogenizer and a vortex mixer? What are their ads and cons?

I want to suspense and mix my micro/nano-particles inside a solution. What are the differences between an ultrasonic homogenizer and a vortex mixture?

05 October 2020 5,606 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

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Is the a way to contol flow (Flow velocity) without impacting pressure value?

I have a pipe with 10 mm in Diameter and 2 bar pressure, the fluid velocity is 200 m/s, the fluid is air. is there a way to reduce velocity without affecting the pressure value?

25 February 2021 7,187 3 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

How to combine two geometries in LAMMPS ?

I am trying to simulate contact angle of water on a quartz slab using LAMMPS. I have created and equilibriated the quartz slab and the water cluster separately. Now I want to create a composite...

17 February 2021 5,884 2 View

How to calculate the internal pressure of a riser pipe?

I am designing a riser pipe for use in ocean down to depths of 5km. Polymetallic nodules are pumped from the seabed to the surface. For my FEA and CFD analyses I need to input a maximum pressure...

06 February 2021 2,803 3 View

How to mesh complex geometry?

I have been trying to mesh some complex geometry and have been having issues. I have attached images of the geometry in question. This structure is very large in size but has some comparatively...

05 February 2021 6,379 5 View

Please recommend me the proper steps (blocking method) to generate Hexahedral mesh of the following geometry inside ICEM-CFD?

I am facing an issue while blocking for the geometry mentioned in the image. After blocking it ends with a triangular block due to its shape. How to create a hexahedral mesh for this geometry in...

02 February 2021 888 1 View

Is my beginners approach to ansys fluent udf implementation realistic?

Hello dear online comunity, i am new to CFD and we are currently involved in a project work for our masters degree. Since the problem we decided to simulate is quite complex, we cannot rely on the...

29 January 2021 2,200 3 View