How to test HPGe at room temperature?

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How can, granulometry or grain size data, be used in enrichment factor calculations?

As a stable element

23 July 2024 4,187 1 View

Is there anything faster than Xarray or Pandas out there?

Hello, dear RG community. Personally, I have found Xarray to be excruciatingly slow, especially for big datasets and nonstandard operations (like a custom filtering function). The only suggestion...

15 July 2024 4,705 2 View

O impacto da Gestão Estratégica de Marketing, na tomada de decisões empresariais?

o impacto da Gestão Estratégica de Marketing, na tomada de decisões empresariais?

10 July 2024 3,430 0 View

My hippocampal mouse primary neurons clump when I plate them on microfluidic devices for axonal isolation. Any tip?

Hi all, I am working on both primary hippocampal mouse neurons and i3Neurons to isolate axonal material. I plate them in microfluidic devices in house made (like any other you can find on the...

01 July 2024 8,070 0 View

Can you use MTT assay for tissue samples?

Can you use the MTT assay of cell viability for tissue samples derived from rats e.g. liver, muscle, heart, brain, or is this method reserved for cultured cells? Thank you

29 May 2024 6,389 2 View

What are the features and best library to predict and clasify people?

Hello everyone, I am currently exploring several options to give the collected data the greatest value possible. I have demographic data on older people, where I perform various memory and mood...

02 May 2024 876 6 View

Is this formula to calculate LST is accurate?

Could you please provide me some authoritetic refers where this formula used if it accurate OR tell me why it is wrong and how to fix it? 1. TOA (L) = ML * Qcal + AL 2. BT = (K2 / (ln (K1 / L) +...

19 April 2024 8,924 0 View

How to derive the volume based equation for gas fraction starting from Dr. Ishii's definition of local gas fraction?

Hello, dear RG community. Very often, gas fraction (also known as void fraction or gas holdup) is thought of as a ratio of the gas volume to the total volume:...

04 April 2024 7,290 0 View

Spheroid or not to spheroid? That is the question?

Dear Researchers, I am reaching out to this esteemed community seeking insights into a recent experiment I conducted involving cell seeding in agarose micro-wells. My aim is to engage with fellow...

22 March 2024 4,438 0 View

Do you know of a specific videogame or genre of videogames that stimulates metacognition?

I'm researching about videogames and their effect on metacognition, actually I intend to develop a game with that specific intention. I'm tinkering with a puzzle game that gives feedback and maybe...

18 March 2024 1,147 2 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 2 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Research Methodology - Impact of Corporate Reputation on Stakeholders Behaviors?

Please can anyone support with the survey questions based on RQ measures and propose how to do it in FMCG industry and include as well the role of brand equity Thanks

06 August 2024 949 0 View

Anyone having idea about VN primer for miRNA primer design ?

How to design VN primer to attach with universal reverse primer

05 August 2024 2,116 3 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

Should I remove an item from a scale to raise Cronbach's alpha and McDonald's omega or is it better to leave it if they are both over .7 already?

Hello! I have this scale which had 10 items initially. I had to remove items 8 and 10 because they correlated negatively with the scale, and then I removed item 9 because Cronbach's alpha and...

01 August 2024 4,606 7 View

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...

01 August 2024 9,227 1 View

How to clean the CAD detector?

The module of the CAD detector is corona Veo. It has been idle for a long time. And it was not well maintained before idle. I have replaced the gas filters and flushed the system with a 50/50...

01 August 2024 7,805 0 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