Application of Danfoss frequency converter in spindle machine tools

At present, high-speed cutting, high-speed grinding and other machine tools used on the market have high spindle speeds. There are generally a variety of different specifications, such as 8 000 to 60 000 r / min, up to 90 000 r / min spindle motor. For the power supply method of the intermediate frequency generator set used in the past, due to large volume, low efficiency, high power consumption, high noise, and many faults,

Saliva Collection Kit

This product is used in collecting high-quality DNA/RNA samples from saliva and can be used in various biological experiments such as enzymatic hydrolysis, PCR, and next-generation sequencing. It is widely used for the collection and preservation of specimens in hospitals, scientific research institutions, and families. The collection process is easy and painless, and will not cause any damage or discomfort to the human body.

Features
♦ Contactless sample collection, less risk for healthcare workers.
♦ Suitable for all kinds of people, easy method to collect samples.
♦ Easy to use, non-invasive collection.
♦ Use medical PP material.
The Saliva Collection Kit is a complete kit made out of 100% polypropylene.
The funnel has been engineered to be intuitively easy to use and specifically designed to reduce user self-collection error by preventing flowback.
When saliva is captured in a sterile container, COVID-19 is stable at room temperature for up to seven days without the need for expensive reagents.

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Yong Yue Medical Technology(Kunshan) Co.,Ltd , https://www.yongyuemeds.com