X ruan (8 Ergebnisse)

Zustand: New. In English.

Hardcover. Zustand: Brand New. reprint edition. 222 pages. 9.25x6.50x1.00 inches. In Stock.

Zustand: New. In English.

Paperback. Zustand: Brand New. 288 pages. 8.70x5.94x0.79 inches. In Stock.

Zustand: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has soft covers. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,550grams, ISBN:9780415403245.

Zustand: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has soft covers. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,550grams, ISBN:9780415403245.

Zustand: Sehr gut. Zustand: Sehr gut | Sprache: Englisch | Produktart: Bücher | Pearl powder is made from freshwater pearls or saltwater pearls below jewellery grade. These are sterilised in boiling water and then milled into a fine powder using stainless steel grinding discs or by milling with small porcelain balls in moist conditions. The powder is sold as such or mixed into creams. Pearl powder is widely believed to help improve the appearance of the skin, and is used as a cosmetic by royal families in Asia. It is also used as a treatment for acne. Some studies have claimed that pearl powder can stimulate the skin's fibroblasts, help regenerate collagen, and accelerate healing of certain skin conditions, wounds, and burns. This book seeks to introduce the benefits of pearl powders and to highlight the potential of this advanced material.…

Gebunden. Zustand: New. Soft-switching PWM full-bridge converters have been widely used in medium-to-high power DC-DC conversions for topological simplicity, easy control and high efficiency. This book intends to describe systematically the soft-switching techniques for pulse-widt.