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Eugenebaw

26 Aug 2024 - 03:49 pm

Tiny shards of plastic are increasingly infiltrating our brains, study says
первый анальный секс
Human brain samples collected at autopsy in early 2024 contained more tiny shards of plastic than samples collected eight years prior, according to a preprint posted online in May. A preprint is a study which has not yet been peer-reviewed and published in a journal.

“The concentrations we saw in the brain tissue of normal individuals, who had an average age of around 45 or 50 years old, were 4,800 micrograms per gram, or 0.5% by weight,” said lead study author Matthew Campen, a regents’ professor of pharmaceutical sciences at the University of New Mexico in Albuquerque.
“Compared to autopsy brain samples from 2016, that’s about 50% higher,” Campen said. “That would mean that our brains today are 99.5% brain and the rest is plastic.”

That increase, however, only shows exposure and does not provide information about brain damage, said Phoebe Stapleton, an associate professor of pharmacology and toxicology at Rutgers University in Piscataway, New Jersey, who was not involved in the preprint.

“It is unclear if, in life, these particles are fluid, entering and leaving the brain, or if they collect in neurological tissues and promote disease,” she said in an email. “Further research is needed to understand how the particles may be interacting with the cells and if this has a toxicological consequence.”

The brain samples contained 7% to 30% more tiny shards of plastic than samples from the cadavers’ kidneys and liver, according to the preprint.

“Studies have found these plastics in the human heart, the great blood vessels, the lungs, the liver, the testes, the gastrointestinal tract and the placenta,” said pediatrician and biology professor Dr. Philip Landrigan, director of the Program for Global Public Health and the Common Good and the Global Observatory on Planetary Health at Boston College.

“It’s important not to scare the hell out of people, because the science in this space is still evolving, and nobody in the year 2024 is going to live without plastic,” said Landrigan, who was not involved with the preprint.

Rudolphsharl

26 Aug 2024 - 02:49 pm

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26 Aug 2024 - 05:07 am

Balanset-1A: Precision Balancing and Vibration Analysis in One Device

[b]Description:[/b]
[url=https://amzn.eu/d/0iGMHFo][img]https://vibromera.eu/wp-content/uploads/2023/09/77-e1693745667801.jpg.webp[/img][/url]



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Balanset-1A is a two-channel device designed for dynamic balancing and vibration analysis. It is ideal for balancing various rotors, such as shafts, pulleys, motor rotors, pumps, compressors, propellers, mulchers, combines, and more.

[b]Features:[/b]

[b]Vibrometer Mode:[/b]

Tachometer: Provides high-precision rotational speed measurement (RPM).
Phase: Determines the phase angle of vibration for subsequent analysis and balancing.
1x Vibration: Measures and analyzes vibration at the operating rotational frequency.
FFT Spectrum: Displays the vibration spectrum, enabling the identification of not only imbalance but also other faults.
Overall Vibration: Monitors the overall vibration level of the machine.
Measurement Log: Storage of measurement data for analysis.


[b]Balancing Mode:[/b]

Single-Plane Balancing: Suitable for balancing simple rotors.
Two-Plane Balancing: Eliminates dynamic imbalance.
Polar Plot: Visualization of imbalance in the form of a polar plot for accurate weight placement.
Session Recovery: Allows resumption of the previous balancing session.
Tolerance Calculator (ISO 1940): Calculates tolerances for residual imbalance according to the international standard.
Grinding Wheel Balancing: Allows balancing of grinding wheels using three counterweights.


[b]Graphs:[/b]

Overall Vibration Graphs: Visual representation of overall vibration.
1x Vibration Graphs: Shows vibration at the operating rotational frequency.
Harmonic Graphs: Displays harmonic components of vibration for detailed analysis.
Spectral Graphs: Detailed graphical analysis of the vibration frequency spectrum.


[b]Additional Features:[/b]

Archive: Allows you to create an archive of your balancing sessions.
Reports: Creates professional balancing reports.
Repeat Balancing: Allows for quick rebalancing if necessary.
Production Line Balancing: Optimized for balancing a large number of similar rotors.
Balanset-1A also offers flexibility in choosing between metric or imperial unit system, ensuring ease of use anywhere in the world.
[b]Price: €1751[/b]

[b]Balanset-1A Package Includes:[/b]

Interface block
Two vibration sensors
Optical sensor (laser tachometer) with magnetic stand
Weighing scales
Software (Note: laptop not included, can be ordered separately)
Plastic transport case


[b]Advantages of Balanset-1A:[/b]

High Efficiency and Quality: Balanset-1A provides high efficiency and quality in performing diagnostic and technological operations.
Ease of Use: The device is easy to use and requires no more than 2-3 hours to master, even for those who are not experts in vibration analysis.
Customization to Client Needs: Balanset-1A flexibly adjusts to your tasks, allowing you to solve a wide range of balancing and vibration diagnostic tasks.
Affordable Price: Balanset-1A is has an attractive price compared to other devices, making it an affordable solution for a wide range of users.
High Repeatability of Results: The device uses several "know-how" techniques that ensure high stability and accuracy of measurements, enabling the achievement of ensuring high precision and repeatability of measurements.


[b]Conclusion[/b]

Balanset-1A is a professional solution for balancing and vibration analysis, which will help you achieve smooth and quiet operation of your equipment, extend its service life, and reduce repair costs.

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