Metamorphosis
发表于 2025-3-27 00:31:48
Limestone Stabilization Studies at a Maya Site in Belize,calcium carbonate. Degradation of archaeologically excavated stone structures in the humid, tropical environment of Belize is caused mainly by wind and water erosion and the wide cyclic variations of humidity and temperature. However, damage to the limestone is accelerated to varying extents by the
Throttle
发表于 2025-3-27 04:06:46
Lichens and the Biodeterioration of Stonework: The Italian Experience,chen-substratum stratum interface on stonework of artistic value. This work presents a detailed, mainly bibliographical, review of research carried out to date on the lichen biodeterioration of Italian archeological and monumental stonework. This survey presents the main methodologies used in this f
引起痛苦
发表于 2025-3-27 06:57:24
Deteriorative Effects of Lichens on Granite Monuments,results obtained from more than 100 samples demonstrate the importance of lichens in the weathering of granitic rocks since, among other effects, they give rise to (a) intense disaggregation of the substratum in contact with them, (b) dissolution of minerals and transformation of primary minerals in
哺乳动物
发表于 2025-3-27 12:17:36
http://reply.papertrans.cn/19/1869/186802/186802_34.png
蛛丝
发表于 2025-3-27 14:08:07
Lichens on Wyoming Sandstone,luding COLORMOD, a porosimetry measurement based on color mode analysis of images, obtained from thin sections with impregnating resin containing a blue dye. This technique also allows one to measure the porosity gradient. Porosity was less toward the outside, since in the outer layer lichens occlud
昏暗
发表于 2025-3-27 21:26:09
http://reply.papertrans.cn/19/1869/186802/186802_36.png
怕失去钱
发表于 2025-3-28 00:54:56
Lichen Biodeterioration at Inscription Rock, El Morro National Monument, Ramah, New Mexico, USA,s Inscription Rock, a large sandstone formation which has become a natural repository for more than 700 years of comments and notations recorded by travelers through the region. Recently, encroachment of lichens onto several inscription panels has been documented. Because lichens are known to decomp
LOPE
发表于 2025-3-28 05:14:56
http://reply.papertrans.cn/19/1869/186802/186802_38.png
Ruptured-Disk
发表于 2025-3-28 07:48:37
Biodeterioration of Prehistoric Rock Art and Issues in Site Preservation,ial, as paintings, or shallowly pecked or incised into the rock surface. Breakdown of the rock surface by lichens and other microflora can easily erase these images. Lichens and other damaging flora inhabit a wide variety of environments and have destroyed entire panels of rock art. Methods of liche
organic-matrix
发表于 2025-3-28 11:01:16
http://reply.papertrans.cn/19/1869/186802/186802_40.png