If a human dedicated an entire lifetime to learning every language then what is the practicality?

Minister Alexander Ohnemus @Minister-Alexander-Ohnemus

01 January 1970 0 8K Report

More Minister Alexander Ohnemus's questions See All

Why are reaction forces so high when I add vibration to cutting model?

Hi I am trying to model a cutting problem with a blade and comparing the results with and without ultrasonic vibration. From experimental results in our group, the use of ultrasound can...

13 June 2024 7,461 4 View

Best Tools for Wrist PPG Signal Analysis: Your Recommendations?

I'm conducting research on photoplethysmography (PPG) signals obtained from smartwatches worn on the wrist. The main goal is to analyze the PPG waveform and extract key fiducial points and...

13 June 2024 3,286 0 View

Why diagonal terms in Abaqus stiffness matrix are infinite?

I am running some simulations in Abaqus to extract the stiffness matrix of a FE model with geometric nonlinearity. I want to provide to Abaqus a set of nodal displacements (all the dofs in the...

28 May 2024 4,797 2 View

Is it possible to combine a time-series of tree-ring widths and and a time-series of diameter at breast height measurements into one TS?

Hello together! I have some time-series for tree-rings from dating from 1850-2016 and diameter at breast height (DBH) from 1996-2022 for the same plot, however the sampled trees for tree-rings...

16 May 2024 5,295 2 View

Is priori knowledge only instincts? Why?

I think so because The Random Slate Theorem

03 May 2024 3,082 7 View

How to fix driver conflicts of an ancient Skyscan 1072 micro CT with DT3157 video grabber ?

I am currently trying to get a Skyscan 1072 micro CT to work again. After the mainboard on the original PC died, we tried to set the machine up on a new computer. We managed to control the source,...

28 April 2024 381 0 View

Statistics: Is it worth using a t-test on pre and post survey data with 12 or less responses?

Is it worth using a paired t-test on pre and post survey data with 12 or less responses? Or should one rely more on the mean and standard deviation of the two data sets to evaluate the survey...

27 April 2024 8,703 8 View

What about religion, God, multi verse, etc.?

1)Religion(or at least spirituality) calms my mind, particularly, the built in belief of only one reality. God created the only reality. The afterlife is another dimension. We have free will but,...

25 April 2024 10,055 0 View

Handling BrainVision matlab files with ECG data in EEGLAB?

I have 217 preprocessed BrainVision matlab files (.mat) with ECG data in them. I've been having trouble creating a study for these. I know BioSig works for ECG data, but it doesn't seem to work...

21 April 2024 1,028 2 View

EEGLAB - how to import multiple .mat files from different folders all at once?

I have 25 folders for 25 participants, all with .mat files inside that are preprocessed. Most of them have the same amount of .mat files - a couple participants didn't finish the study, so they...

17 April 2024 1,897 3 View

A small question about the principle of lasers…?

Given the energy level diagram of a ruby laser shown in the right figure, where \( R_{02} \) is the pumping rate, and \( \tau_2 \) and \( \tau_1 \) are the lifetimes of levels \( n_2 \) and \( n_1...

23 June 2024 4,855 0 View

I am curious if the lifetime of exciton enhances under the microcavity effect?

What if we have bottom emissive OLED and the top-emissive microcavtiy OLED, which one will have a longer lifetime referring to the TRPL measurement?

24 May 2024 3,638 0 View

How to calculate the monetary impact of lifetime cancer risk?

How to calculate the monetary impact of lifetime cancer risk due to exposure to an IARC Group 1 chemicals? If a carcinogenic pollutant is associated with more than 1 health impact, how to...

14 May 2024 2,913 0 View

Is there any software available that enables the fitting of a TL peak to determine kinetic parameters and their associated errors?

In order to report physical parameters such as trap depth, lifetime, or frequency factor, we require their precision, which entails specifying the range of error within which they may fall.

03 April 2024 1,344 0 View

Photodetector carrier lifetime?

i understand, a longer carrier lifetime is better for photodetector than short one. non-radiative semiconductor has longer carrier lifetime than radiative semiconductor. nevertheless, why...

27 February 2024 5,727 3 View

What is the procedure to find fluorescence lifetime through TD-DFT?

I am interested in calculating radiative lifetime of conjugated polymers through quantum chemistry. There are some articles talking about this idea (listed below). However, I find it a bit hard to...

11 January 2024 5,464 3 View

What determines the optical decay constant in hybrid semiconductors?

Considering the molecular complex, we can discuss photoluminescence dynamics with energy level argument. There, triplet states have longer decay constant comparing with singlet one. We can design...

17 December 2023 4,123 1 View

Can anyone help me find out fluorescence lifetime from decay curve comprising the channel (X axis) and counts in y axis ?

i gave my samples for fluorescence lifetime analysis. And data came as counts vs channel. plot. from this how i will calculate lifetime

20 November 2023 3,882 2 View

How to calculate fluorescence lifetime of the synthesized compounds?

We have prepared nano-sensor based on N-doped carbon dots (NCDs)@ZnO (NCZ) composite. How to calculate fluorescence lifetime?

16 November 2023 9,024 1 View

How can we use time series analysis to predict Customer Lifetime Value ?

is the a simple and useful time series method/model to predict Customer Lifetime Value ? can you help me please ????

15 October 2023 10,004 3 View