Phosphoric acid pre-etching can increase the negative charge on the enamel surface and facilitate the chemical reactions of MDP and hydroxyapatite (HAp) to produce more calcium salts, thus improving ...

It’s a growing problem. Last month, Transport for London said it was removing about 3,000 pieces of graffiti each week on the ...

A hydrofluoric-acid (HF)-free hydrogen plasma dry etching process prior to the deposition of intrinsic amorphous silicon onto thin n-type planar Czochralski silicon wafers is developed. The influence ...

STATEN ISLAND, N.Y. — Borough residents will have another opportunity to safeguard their vehicles’ catalytic converters at a ...

Plus “City of Fiction” by Yu Hua and “Hunter” by Shuang Xuetao.

Her stewardship of the troupe that bears his name became a model for other dance companies, like Martha Graham’s, after their ...

Bird poop leaves a sticky, acidic mess. Here’s how to get rid of it, even after it’s dried on.

Object Details Physical Description Print, Etching on Paper, Hand Colored Summary The Birth of Flight: NASM Collections The invention of the balloon struck the men and women of the late 18th century ...

NEW BERLIN, Wis. (CBS 58) — You may not know his name, but you’ve likely seen his work on the dashboard of luxury cars and in the fine details of everyday products. Christos Kambouris is a master ...

The global glycolic acid market size was US$ 307.6 million in 2021. The global glycolic acid market size is forecast to reach US$ 533.2 million by 2030, growing at a compound annual growth rate (CAGR) ...

Kojic acid soaps have gone viral and popular. Shop the best ones out there, per a dermatologist and testers, plus expert tips on finding the right one for you.