humidity ageing
1Aged artwork — Ageing is a process by which an artwork, typically a painting or sculpture, is made to appear old. It is meant to emulate the natural deterioration that can occur over many decades or centuries.Paintings deteriorate over time because they are… …
2Pu-erh tea — Pu erh, Pu er tea, Puer tea or Bolay tea is a type of tea made from a large leaf variety of the tea plant Camellia sinensis and named after Pu er county near Simao, Yunnan, China. Pu erh tea can be purchased as either raw/green (sheng) or… …
3Mona Lisa — This article is about the painting. For other uses, see Mona Lisa (disambiguation). Mona Lisa Italian: La Gioconda, French: La Joconde …
4Guqin construction — The construction of the guqin Chinese zither is a complex process like any other musical instrument. However, there is much symbolism in the choice of materials, the shape or form of the instrument that are important things to consider when… …
5Weather testing of polymers — is the controlled polymer degradation and polymer coating degradation under lab or natural conditions.Just like errosion of rocks, natural phenomena can cause degratation in polymer systems. The elements of most concern to polymers are… …
6Parchment repair — The repair and mending of parchment has taken place for thousands of years. Methods from the earliest hand stiching of tears to today s use of modern equipment to mend and fill parchment show the importance we have placed on its preservation and… …
7Wine — This article is about the beverage. For other uses, see Wine (disambiguation) …
8Fireproofing — Fireproof redirects here. For the album, see Fireproof (album). For the 2008 film, see Fireproof (2008 film). Fireproofing, a passive fire protection measure, refers to the act of making materials or structures more resistant to fire, or to those …
9Highly accelerated stress test — The highly accelerated stress test (HAST) method was invented by Nihal Sinnadurai while working as a Research Engineer at British Telecommunications Research Laboratories in 1968 in order to perform highly accelerated reliability testing of… …
10The Canon of Medicine — (Arabic: القانون في الطب Al Qanun fi al Tibb The Law of Medicine ; Persian: قانون Qanun Law ; Latin: Canon Medicinae Canon of Medicine ; Chinese: Hui Hui Yao Fang Prescriptions of the Hui Nationality ) is a 14 volume Arabic medical encyclopedia… …
