Can I use UV-vis detector to detect dopamine in HPLC? What is the wavelength recommended?

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What exactly is RAG-LLM doing? Isn’t it data engineering?

What exactly is Retrieval Augmented Generation for Large Language Model doing? Isn’t it data engineering?

30 July 2024 7,376 3 View

After a lot of feature engineering for CTR modeling, it feels like it's basically the end of iteration? I mean, it's not cost-effective to keep doing?

After a lot of feature engineering for click-through rate modeling, it feels like it's basically the end of iteration? I mean, it's not cost-effective to keep doing it?

29 July 2024 4,955 0 View

All math can be explained by iterator of code?

all math can be traversed by code? all math can be translate to code?

26 July 2024 9,530 0 View

What is the effect for the CTR model, adding the tag-id with the highest number of user clicks/purchases on the item's tag as user-side features?

22 June 2024 3,588 1 View

The primary problem that LLMs solved is small sample learning, right?

The primary problem that large language models solved is small sample learning, right?

03 June 2024 3,305 2 View

based on GPT-3, Text generation really solves all tasks, or solves only text generation?

based on GPT-3

01 June 2024 5,445 3 View

ChatGPTs can really replace search engine?

Or they are only complement to each other

01 June 2024 6,021 3 View

Recommender system, which is more important, pay-AUC or click-AUC?

For example, if offline click-AUC improves from 0.77 to 0.82 VS pay-AUC improves from 0.88 to 0.91, which online gain will be greater?

21 May 2024 3,563 1 View

In deep learning, images can be encoded in pixels, how is audio encoded?

It seems it is also through several dimensions.

13 May 2024 8,099 3 View

[Swin-Transformer] Is each token (to-embedding) value an integer?

Swin-Transformer transform the image to tokens to input to transformer. Is each token (before-embedding) value an integer? In practice, where is this done?...

13 May 2024 1,121 2 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program?

How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program? for example: Excited State 17: Singlet-A 5.1359 eV 241.41 nm...

28 July 2024 9,165 2 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

What is single absorption ESR spectroscopy ?

In the context of Electron Spin Resonance (ESR) spectroscopy, under what conditions is an absorption spectrum considered to be a single absorption spectrum?

25 July 2024 2,325 1 View

Can we fit a gaussian Fit on a LIBS Peak ?

Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...

23 July 2024 6,127 1 View