The reason for untimely ventricular contractions is not clear. Certain things which includes coronary heart diseases or changes in the body may make cells inside the lower heart chambers electrically unstable. Heart problems or scarring might induce the center's indicators to generally be misrouted.
ویکی‌پدیا® علامتی تجاری متعلق به سازمان غیرانتفاعی بنیاد ویکی‌مدیا است.
Health care: The healthcare market utilizes PVC in a variety of professional medical equipment for instance blood baggage, tubing, and IV bags. Its ability to be sterilized can make it appropriate for these programs.
立体的な製品を成形可能で、押し出し成形よりも複雑な形状を生産できます。製品のサイズも小さいものから大きなものまで対応が可能です。
The contents of the response vessel are pressurized and frequently mixed to maintain the suspension and make certain a uniform particle measurement with the PVC resin. The response is exothermic and so involves cooling. As the quantity is lessened throughout the reaction (PVC is denser than VCM), drinking water is constantly extra to your mixture to maintain the suspension.[9]
ポリ塩化ビニルの「ポリ」という言葉は、ポリマー（重合体）からきたもので、「たくさん」という意味があります。しかし、一般的に呼ばれている「塩ビ」は塩化ビニルではなく、ポリ塩化ビニルを指しているケースが多いので注意が必要です。
型のなかにある空気を吸い取り、大気圧で型に押し付ける手法を「真空成形」、大気圧ではなく圧縮空気で金型に押し付ける手法を「圧空成形」と呼びます。
در مقابل حرارت و نور نسبتاً ناپایدار بوده و هیدروژن کلرید از آن خارج می‌شود. این ماده اثرات زیان‌بخشی روی خواص اشیاء دم دست (اجزای الکتریکی) علاوه بر اثرات فیزیولوژیکی بر جای می‌گذارد. پی‌وی‌سی ابواب وشبابيك pvc پلاستیکی سخت است که به‌وسیلهٔ اضافه کردن روان‌کننده‌ها نرم و انعطاف‌پذیر می‌شود. بیشترین مورد استفادهٔ آن فتالیت است.
金属加工業界の未来を支える人材確保のカギとは？取り組みと課題を徹底解説
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Automotive: PVC is also located in the automotive sector for elements like dashboards, seat coverings, and insulation for wiring.
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Most important objective of this task should be to help the public to discover some appealing and vital information about chemical components and a lot of common components. We recognize that the basic principles during the materials science will help men and women to be aware of lots of common difficulties.
PVC’s adaptable Houses have triggered its large use in various sectors. Some common applications consist of: