Results 1 to 10 of about 211 (90)

A new bio-oxidation method for removing iron deposits from waterlogged wood of Nanhai I shipwreck, Guangdong, China [PDF]

open access: yesEngineering Microbiology
The widespread presence of iron and sulfur compounds such as pyrite in marine waterlogged archeological wood (WAW) can cause irreversible damage to the safety of its preservation.
Yishu Wang   +4 more
doaj   +4 more sources

In Situ Gel-Forming System for the Removal of Ferruginous Deposits on Nanhai I Shipwreck [PDF]

open access: yesGels
The removal of iron deposits on shipwreck surfaces by mechanical cleaning is labour-intensive work. This study develops an in situ gel and peeling cleaning method, utilising a carboxymethyl chitosan/tannic acid (CMCS/TA) colloidal solution spray on the ...
Jianrui Zha   +4 more
doaj   +3 more sources

Characterization of degradation and iron deposits of the wood of Nanhai I shipwreck

open access: yesHeritage Science, 2022
Nanhai I shipwreck was a large wooden merchant ship (22.15 m in length and 9.85 m in width) built in the Southern Song Dynasty (1127–1279 A.D.) of China, which was heavily loaded with a large number of porcelain and iron artifacts. In the South China Sea,
Hongying Zhang   +3 more
doaj   +4 more sources

Characterization of glass beads from Nanhai I shipwreck and new evidence of lead tin yellow type II in China [PDF]

open access: yesHeritage Science, 2021
Glass beads excavated from Nanhai I shipwreck were investigated with scanning electron microscopy with energy dispersive spectrometer (SEM–EDS), Raman spectroscopy, multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) and X-ray ...
Chenxin Tian   +5 more
doaj   +2 more sources

The method to soften the concretions of ceramics in the “Nanhai I” Shipwreck of China Southern Song Dynasty (1127–1279AD) [PDF]

open access: yesHeritage Science, 2018
The “Nanhai I” shipwreck of the Southern Song dynasty is the existent oldest and the most integrally preserved shipwreck in the world. Inside the shipwreck most of the ancient ceramics were covered with different types of concretions.
Yanrong Wang   +5 more
doaj   +2 more sources

Corrosion of glaze in the marine environment: study on the green-glazed pottery from the Southern Song “Nanhai I” shipwreck (1127–1279 A.D.)

open access: yesHeritage Science, 2023
The “Nanhai I” shipwreck is an important discovery in the underwater archaeology of China, and many ceramics have been unearthed. These ceramics are important material artifacts of China’s “Maritime Silk Road” and have considerable significance for the ...
Benyuan Zhou   +4 more
doaj   +2 more sources

Inhibitory Effect of Cinnamaldehyde on Main Destructive Microorganisms of Nanhai No. 1 Shipwreck

open access: yesApplied Sciences, 2021
Nanhai No. 1, a shipwreck in the Southern Song Dynasty, China, has a history of more than 800 years. It was salvaged in 2007 and is now on display in the Guangdong Maritime Silk Road Museum.
Xinduo Huang   +9 more
doaj   +3 more sources

Effectiveness Evaluation of Silicone Oil Emulsion In Situ Polymerization for Dehydration of Waterlogged Wooden Artifacts [PDF]

open access: yesMolecules
Organosilicon materials have shown potential as dehydration agents for waterlogged wooden artifacts. These materials can polymerize under normal conditions to form polymers with favorable mechanical strength, antibacterial properties, and aging ...
Mengruo Wu   +3 more
doaj   +2 more sources

Corrosion Behavior of Ancient White Cast Iron Artifacts from Marine Excavations at Atmospheric Condition

open access: yesMetals, 2022
A large number of iron pot artifacts were excavated from the “Nanhai I” shipwreck. The rapid embrittlement and pulverization of these objects (that have a good matrix) in the atmospheric environment is worthy of attention.
Pei Hu   +6 more
doaj   +1 more source

Characterizing the sealing materials of the merchant ship Nanhai I of the Southern Song Dynasty

open access: yesHeritage Science, 2021
Nanhai I is a highly valuable shipwreck of the Southern Song Dynasty for studying various topics, including the shipbuilding techniques. The sealing materials are of significant importance to ensure the ship’s reliability during the voyage across the ...
Yihang Zhou   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy