Paleocurrent Analysis from Image Logs?

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Transmit an electrical signal over a distance?

How can a 5 V logic level be transmitted to distans so that the transmission does not interfere with the operation of the transmitting device?

18 May 2023 7,615 0 View

Hi everyone. I am looking at PhD topic related with capital structure. Any suggestion please?

Maybe "impact of gender on capital structure"? Should it be relevant topic?

19 February 2022 2,228 10 View

I got 100% accuracy when I trained my data with RandomForestClassifier and svm models.I would like to know is it possible or it is overfitting?

I am using Qualitative_Bankruptcy( link: https://archive.ics.uci.edu/ml/datasets/Qualitative_Bankruptcy ) dataset which is fully categorical, first I have encoded dataset to be able to train it...

28 January 2020 6,125 5 View

How can we simultaneously connect the internal combustion engine and the electric motor to the propeller without loss?

17 January 2020 406 2 View

What parameters can be definitive in the development of hybrid power sources for convertoplanes?

What are the parameters that determine the development of hybrid power sources for convertoplanes? In addition to the minimum mass and ensured flight duration.

29 April 2019 516 0 View

What should be a hybrid battery with an optimized structure?

What variant of building a hybrid battery would be the most optimal for a drone with a range of up to 50 km and a duration of up to 100 minutes?

21 February 2019 574 1 View

What variant is more effective: Convertoplane or combination of multicopter + aircraft? List reasons?

Convertoplane, this is UAV with turning propeller. Multicopter airplane, this UAV rises as Multicotoker with vertically arranged screws, flying like a plane with the help of a pusher engine...

21 January 2019 1,453 2 View

What could be the power source?

What can be the optimized power source (hybrid as well) for a convertoplane with take-off mass up to 50 kg?

15 January 2019 7,726 1 View

Employing 9 V DC relay board to power 24 V DC pneumatic valves (FESTO)?

I am trying to use 9 V DC relay board to power 24 V DC pmeumatic valves (normally open, from FESTO) and I do not see any change in pressure while the valves are supposedly ON-OFF. I tested the...

09 April 2017 1,145 4 View

How to convert a privately loaded document into a public document?

I attempted to make a privately uploaded text public but a window appeared that said an error occurred. There was no explanation provided as to why there was an error or what might be done to...

05 August 2024 8,025 7 View

How can we use mobile apps for improving students' academic performance?

Mobile apps can be a powerful tool for enhancing academic performance, how can we use mobile apps for improving academic performance

04 August 2024 9,492 0 View

Hi there, someone has the SeinFit software for windows because I cannot download it?

DOS version.

29 July 2024 6,064 1 View

I need a reliable source or an example supported by excel sheet to understand Fuzzy Vikor?

27 July 2024 5,916 1 View

How to do calculation of Louvain methods calculation for excel sheet and and is there any software available?

The Louvain method – named after the University of Louvain where Blondel et al. developed the algorithm – finds communities by optimizing modularity locally for every node’s neighborhood, then...

23 July 2024 6,659 0 View

Abaqus cylinder buckling riks analysis?

hi, I am doing a risk analysis of a cylindrical fuselage with windows. I have applied contact interactions between the different parts, and I have applied a unit value load to a reference point,...

20 July 2024 647 2 View

I came across oscillations in a pressure profile for a pipeline flow along the axis of a cylinder, how do I prove that these are not numerical err?

In terms of CFD, we often analyze the stability of the error using Von-Neumann analysis, especially for FDM based problems. Should we follow the same approach for a compressible fluid flow using FVM ?

13 July 2024 6,296 5 View

Why SNLO program does not opens on my computer ?

I used during a long time the program SNLO (Qmix) using computers with Windows XP, 7 and 10. First time this program worked also under Windows 11. Now (probably after the last system update) Qmix...

09 July 2024 7,243 1 View

How to load Remedesivir drug into mesoporous nanoparticles?

Hello, I want to load Remedesivir (RNA polymerase inhibitor) into mesoporous nanoparticles (MSNs). The issue is drug is temperature and pH sensitive and it degrades quickly. I need advice on its...

01 July 2024 889 3 View

Is the polymer has low CTE if the polymer has the high chain packing and small free volume?

I wonder the tendency of coefficient of thermal expansion (CTE) of polymer which has different chain structure. In my opinion, CTE will be higher when the polymer materials has high interaction...

30 June 2024 570 5 View