Results 41 to 50 of about 5,583,733 (318)

Ecological and morphological studies in the hybrid zone between Pinus sibirica and Pinus pumila

Annals of Forest Research, 2013
In the Baikal Region, there is no phenological isolation between Siberian stone pine (P. sibirica Du Tour) and Siberian dwarf stone pine (P. pumila (Pall.) Regel) since the timing of their 'flowering' coincides.
S.N. Goroshkevich, A.G. Popov, G.V. Vasilieva   +2 more
doaj   +1 more source

The Susceptibility to Salt Fog Degradation of Stone Cladding Materials: A Laboratory Case Study on Two Limestones from Portugal

Heritage, 2023
The evaluation of stone cladding material suitability can be a challenge due to the way that stone physical and mechanical properties, and characteristics such as mineralogy, might influence stone performance as a cladding element in a ventilated facade ...
Vera Pires, Luis G. Rosa, Pedro M. Amaral, Joaquim A. R. Simão   +3 more
doaj   +1 more source

Comparative algological and bacteriological examinations on biofilms developed on different substrata in a shallow soda lake [PDF]

, 2008
According to the European Water Framework Directives, benthic diatoms of lakes are a tool for ecological status assessment. In this study, we followed an integrative sample analysis approach, in order to find an appropriate substratum for the water ...
A Cattaneo, A Cattaneo, A Poulicková, A. K. Borsodi, AS Rosemarin, B Massieux, C Schnitchen, CE Christie, D Eminson, European Parliament, G. Várbíró, Gy. Záray, H Utermöhl, J Podani, J Preston-Mafham, J Seele, J Tison, JA Grimes, JL Garland, JL Garland, JM Burkholder, JWG Lund, K Kralj, K Kröpfl, K. T. Kiss, K. É. Szabó, L King, P. Vladár, RG Wetzel, S Blanco, T Kohonen, U Anthoni, YS Park, É Ács, É Ács, É. Kiss, Éva Ács   +36 more
core   +1 more source

Reliability studies on reinforced concrete beam subjected to bending forces with natural stone as coarse aggregate

Asian Journal of Civil Engineering, 2020
This paper presents the results of structural reliability analysis of a structural element (beam) in building using First-order reliability method (FORM) to ascertain the level of safety.
D. Kolo, J. Aguwa, T. Y. Tsado, M. Abdullahi, Abdulazeez Yusuf, S. Oritola   +5 more
semanticscholar   +1 more source

Research of physicochemical properties of the fine-dispersed stone waste of the stone processing enterprises for determining the behavior strategy

Технічна інженерія, 2023
Natural facing stone is a limited and non-renewable fossil resource. This resource should be used to the fullest extent in order to the strategy of sustainable development and the main principles of the circular economy. Like any processing industry, the
S.I. , M.I. , A.V. , Yu.K. , N.M.
doaj   +1 more source

Preserving the Great Mosque of Córdoba (Spain): Characterization of Natural Stone Based on Rebound Hammer and Ultrasonic Tests

Engineering Proceedings, 2023
The preservation of The Great Mosque of Córdoba (Spain) as a carrier of Andalusian collective memory requires innovative approaches to assess and maintain its structural health.
José Daniel Rodríguez-Mariscal, Beatriz Zapico Blanco, Natalia Valverde Garrido, Francisco Javier García-Calabrés Ibáñez, Marta González Pozo, Mario Solís Muñiz   +5 more
doaj   +1 more source

Watching the Opera In Silence: Disgust, Autonomy, and the Search for Universal Human Rights [PDF]

, 2008
Are human rights expanding over time? Christopher Stone, Peter Singer, and many others hold that they are and that this is a good thing. In a famous article and book, Stone points out that in early times, human beings recognized rights only for members ...
Delgado, Richard
core   +2 more sources

IbM PEMBUATAN BATU ALAM BUATAN MENGGUNAKAN BAHAN BAKU TEMPURUNG, KARANG, PASIR DAN SEMEN

Dharma Raflesia, 2018
Due to the increasing price and the issue of nature conservation, using natural stone as a building material causes its own problems. The purpose of this activity is to alternate the natural stone material with synthetic materials so that the natural ...
Mekar Ria Pangaribuan, Meilani Belladona
doaj   +1 more source

ABRASION PARAMETER OF NATURAL STONE FOR PUBLIC INFRASTRUCTURE AND CORRELATIONS WITH OTHER PROPERTIES

e-Zbornik. Elektronički Zbornik Radova Građevinskog Fakulteta, 2023
The abrasion resistance is one of the crucial parameters to consider when evaluating natural stone for use in public infrastructure with light traffic.
Naser Kabashi, Enes Krasniqi, Rozafa Basha, Milot Muhaxheri   +3 more
doaj   +1 more source

Sustainable development: Using stone dust to replace a part of sand in concrete mixture [PDF]

MATEC Web of Conferences, 2020
Stone dust is a waste material produced in stone crusher industry. Stone dust produced from the crushed stone industry is quite numerous. PT Mega Beton Jaya is a stone crushed industry, which is located in Buluri, Palu, has difficulty in providing a ...
Turuallo Gidion, Mallisa Harun, Rupang Nicodemus   +2 more
doaj   +1 more source