Centrifuge and centrifugal force

It is customary to call a centrifuge at 4,000 rpm a low-speed centrifuge, and a centrifuge at 20,000 rpm a high-speed centrifuge. This type of centrifuge has a freezing device. A centrifuge with more than 20,000 per minute is called an ultracentrifuge. In order to reduce the frictional resistance of ---MORE---

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Resin composite sheet

Resin composite sheet, including the following weight percentage of raw materials: plastic powder 20 ~ 60, resin fiber powder 30 ~ 70, glue 7 ~ 25, modifier 0.2 ~ 25; glue is butyl butadiene, fiber cement, BR, One or more of a phenolic resin and a urethane resin, and the modif ---MORE---

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Cover tape for electronic components

[Patent Name] Cover tape for electronic components [Applicant] Dainippon Printing Co., Ltd. [Inventor] Fujii Kazuhito; Kato Shinichi [Address of Principal Applicant] Tokyo, Japan [Application Number] 200480010930.X 【 Application Date 】 2004.04.26 【Approval Announcement No.ã ---MORE---

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Waterproof Technology and Water Resistant Adhesive for …

Third, paper honeycomb moisture and water resistant adhesive As we all know, paper honeycomb is a typical adhesive material, and its bonding strength moisture resistance and other water quality features, in addition to the impact of the performance of the paper substrate, the second largest facto ---MORE---

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Some common faults and solutions of UV varnish

First, the gloss is not good, the brightness is not enough main reason: 1. The viscosity of UV varnish is too small, and the coating is too thin. 2. Excessive dilution of non-reactive solvents such as ethanol. 3. UV oil coating is uneven. 4. The paper is too absorbent. 5. The anilox roller i ---MORE---

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Color printing and neutral gray balance (on)

The reproduction work of the printed matter is color restoration, tone reduction, texture restoration, and resolution restoration. The so-called tonality is the color classification by lightness, the color is three variables, the neutral gray is a three-dimensional color space, the neutral gray is ---MORE---

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