Results 131 to 140 of about 2,268,887 (344)

Towards a better understanding of historic mortar production [PDF]

open access: yes, 2022
Calcareous nannofossils are 
Falkenberg, Janina (Dr. rer. nat.)   +1 more
openaire  

Toronto's drug policy paradox: Harm reduction sites and drug police occurrences in Toronto neighborhoods (1992–2020)

open access: yesCriminology, EarlyView.
Abstract Discourse around drug policy presents a stark contrast between policing and harm reduction models, sparking debates on the state's regulatory versus protective role. Canada is an ideal case to study drug policy models due to its global recognition as a leader in harm reduction alongside continued reliance on policing of drugs.
Taylor Domingos
wiley   +1 more source

Platinum Group Element Traces of CAMP Volcanism Associated With Low‐Latitude Environmental and Biological Disruptions

open access: yesGeophysical Monograph Series, Page 263-304., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside   +3 more
wiley  

+1 more source

Material Properties of Lime Mortars Used in the Architectural Heritage of the Joseon Dynasty

open access: yesHeritage
This study aimed to identify the raw materials and characteristics of lime mortar samples recovered from three Joseon dynasty architectural heritage sites: the Munsusanseong Fortress in Gimpo, Namhansanseong Fortress, and Godeung-dong lime-barrier tomb ...
Han Ul Im, Sang Ok Lee, Gwang Yong Chung
doaj   +1 more source

Improvement of Khorasan mortar with fly ash for restoration of historical buildings

open access: yesScience and Engineering of Composite Materials, 2014
In this study, the effects of fly ash on Khorasan mortar composed of brick or tile powder and lime were investigated to improve its mechanical properties.
Işıkdağ Burak, Bekir Topçu İlker
doaj   +1 more source

(R)evolution of the E-grocery Industry: Strategic Implications [PDF]

open access: yes
The use of the Internet in grocery retailing created the need for new business models, but it did not bring radical changes to consumer behaviour. Despite adopting revolutionary business models in their early days, online grocery firms did not manage to ...
Mário Pedro Ferreira
core  

Experimental characterization of the structural response of adobe arches [PDF]

open access: yes, 2012
Earth was one of the first construction materials used by mankind and has been used as a building material since ancient times until the present days. Its qualities related to thermal comfort, low cost or simple construction techniques have contributed ...
Costa, A.   +4 more
core   +1 more source

Applications of microbial induced calcium carbonate precipitation in historical architecture restoration – a mini review

open access: yesJournal of Infrastructure Preservation and Resilience
This mini-review examines Microbially Induced Calcium Carbonate Precipitation (MICP), primarily driven by ureolytic bacteria like Sporosarcina pasteurii, as a sustainable solution for crack repair in historical architecture.
Hairong Wang, Shuyuan Wang
semanticscholar   +1 more source

Comparison of Three Sympatric Desert Lizards: Digestive Tract Structure, Digestive Enzyme Activities, Gut Microbiota, and Metabolites

open access: yesIntegrative Zoology, EarlyView.
We performed 16S rDNA sequencing and metabolite profiling for three sympatric lizard species—Teratoscincus roborowskii, Phrynocephalus axillaris, and Eremias roborowskii—and compared their goblet cell and enzyme activities in the digestive tract. Our study suggests that the dietary niche may promote divergence or convergence of microbiota across host ...
Yi Yang, Ziyi Wang, Ruichen Wu
wiley   +1 more source

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