Design and Performance Investigation of a Robot-Assisted Flexible Ureteroscopy System by Jianchang Zhao, Jianmin Li, Liang Cui, Chaoyang Shi, Guowu Wei

“…Flexible ureteroscopy (FURS) has been developed and has become a preferred routine procedure for both diagnosis and treatment of kidney stones and other renal diseases inside the urinary tract. …”
Get full text

Pengaruh Agregat Pipih Pada Campuran Perkerasan Lentur Jalan Raya Hot Rolled Sheet-Wearing Course by Muhammad Aminsyah

“…Agregat berbentuk kubus, pipih (flaky) dan lonjong (elongated) biasanya diperoleh dari pemecahan batu-batu berukuran besar dengan stone crusher. Dengan agregat berbentuk kubus menjadi bentuk terbaik dalam penggunaannya karena memiliki banyak sisi untuk saling mengikat. …”
Get full text

MANAJEMEN SUNGAI KLAWING UNTUK KELESTARIAN IKAN SPESIES ASLI by Ayesha Hafizh Gunara, Siti Rukayah

“…Fishing is done by using fishing gear such as fishing rods, nets, stone cages, but there are still those who use drugs and stroom. …”
Get full text

Mechanical Properties of Fiber-Reinforced Concrete Using Composite Binders by Roman Fediuk, Aleksey Smoliakov, Aleksandr Muraviov

“…The relation between cement stone neoplasms composition as well as fibrous concrete porosity and permeability of composite at nanoscale level for use of composite binders with polydispersed mineral supplements was revealed. …”
Get full text

Relevancia de las exportaciones para la economía mexicana by Alejandro Dávila, Miriam Valdés

“…Este trabajo busca proporcionar elementos de respuesta mediante el cálculo de las elasticidades totales ante cambios en las exportaciones y en la demanda final exógena.Para tal efecto, se construye un modelo de producción ampliado de Leontief, basado en la Matriz de Contabilidad Social (MCS) de la economía mexicana del año 2013.Las elasticidades totales se calculan mediante el método propuesto por Richard Stone (1985). Es una investigación aplicada sobre la economía mexicana, con un procedimiento no utilizado en México con MCS y cuyo interés principal radica en abordar un tema relevante de la coyuntura económica actual.…”
Get full text

Study of the Effects of Heating on Organic Matter and Mineral Phases in Limestones by J. May-Crespo, P. Martínez-Torres, P. Quintana, J. J. Alvarado-Gil, L. Vilca-Quispe, N. Camacho

“…Color-induced changes in stones due to heating can be useful in determining the degree of degradation generated in their components and structure. …”
Get full text

Os Xetá e seus acervos: memória histórica, política e afetiva (Paraná, Brasil) by Edilene Coffaci de Lima, Lilianny Rodriguez Barreto dos Passos, Rafael Pacheco

“…Nowadays, emulating their forebears, Xetá family groups (re) produce stone axes, animal figurines, arrowheads, necklaces, and they collect films and photographs in which past life is recovered. …”
Get full text

Floral Resources and Nesting Requirements of the Ground-Nesting Social Bee, Lasioglossum malachurum (Hymenoptera: Halictidae), in a Mediterranean Semiagricultural Landscape by Carlo Polidori, Alice Rubichi, Valeria Barbieri, Luca Trombino, Marta Donegana

“…At all sites, bees nested in horizontal ground areas with high soil hardness, low acidity, and rare superficial stones. On the other side, the exploited soil was variable in soil granulometry (although always high in % of silt or sand) and it was moderately variable in content of organic matter and highly variable in vegetation cover. …”
Get full text

CASA DE PIEDRA: EFECTOS DE LAS AGUAS CLARAS EN LA HIDROGRAFÍA DEL RÍO COLORADO by Hector Walter Cazenave

“…The construction of Casa de Piedra (Stone House) dam, in the final stretch of Colorado river high valley, radically modified down waters the hydrologic river course, especially regarding sediment transport, the majority of which settles in the lake. …”
Get full text

The Arctic zone of the Republic of Karelia: Search for ways of Development by Valery P. Zhuravel

“…Particular attention is paid to the analysis of the state and modernisation of the White Sea – Baltic Canal, the development of the building materials industry based on construction stone deposits, as well as the creation and development of mineral and raw materials centres of the East Karelian copper-gold-molybdenum ore zone. …”
Get full text

Design and Construction of the Real Felipe Fortress of Callao: Analysis of the Military Treatise and Layout Using Photogrammetry and GIS by Diego Javier Celis-Estrada, Pablo Rodriguez-Navarro, Teresa Gil-Piqueras

“…The fortress was based on 18th century military conceptions adapted to the specific conditions of the coastal lands of the Peruvian Viceroyalty, such as the lack of stone, the use of adobe, and the frequent earthquakes. …”
Get full text

Crop Row Detection in Maize Fields Inspired on the Human Visual Perception by J. Romeo, G. Pajares, M. Montalvo, J. M. Guerrero, M. Guijarro, A. Ribeiro

“…The first one applies a threshold to separate green plants or pixels (crops and weeds) from the rest (soil, stones, and others). It is based on a fuzzy clustering process, which allows obtaining the threshold to be applied during the normal operation process. …”
Get full text

Comparative Study on River Manufactured and Rock Sand on the Compressive Strength of Concrete Grade-25. by Rukundo, Patrick

“…It was found that the concrete compressive strength at 28 curing age increased with the increase in the percentage replacement aggregates that is; for river sand replacement with rock sand 25.2, 25.5, 26.1, 26.7, and 27.3 MPa for 0, 25, 50, 75 and 100% and for stone dust replacement with river sand 25.2, 27.7, 27.0, 28.6 and 28.7Mpa for 0, 25, 50, 75 and 100%.…”
Get full text

Influence of Crumb-Rubber in the Mechanical Response of Modified Portland Cement Concrete by J. Retama, A. G. Ayala

“…The main hypothesis of the study is that replacing part of the stone aggregate with crumb-rubber in the mix modifies the energy dissipation during the cracking process and affects the concrete behaviour under monotonically increasing loads. …”
Get full text

Economic and Environmental Evaluation and Optimal Ratio of Natural and Recycled Aggregate Production by Milad Ghanbari, Armin Monir Abbasi, Mehdi Ravanshadnia

“…Steady increase in overexploitation of stone quarries, generation of construction and demolition waste, and costs of preparing extra landfill space have become environmental and waste management challenges in metropolises. …”
Get full text

Influence of Macrotexture and Microtexture on the Skid Resistance of Aggregates by Bowen Guan, Jiayu Wu, Chao Xie, Jianhong Fang, Haile Zheng, Huaxin Chen

“…For this purpose, fractal dimension (D), root mean square height (Rq), and Polished Stone Value (PSV) were tested. The Pearson correlation coefficients between PSV and D or Rq in the interval of different polishing cycles were calculated and analyzed with correlation analysis. …”
Get full text

Study on the Bearing Capacity and Engineering Performance of Aeolian Sand by Han Xia, Jingtao Zhang, Jun Cai, Huangsong Pan, Xuesen She

“…For weak foundations, adding a geogrid or replacing a weak soil layer with stone and aeolian sand can significantly improve the bearing capacity.…”
Get full text

Experimental study on the resistance of asphalt mixtures to permanent deformation and its relation to mechanical behavior of pavement structures by Thanh Chung Do, Tan Hau Nguyen, Van Long Nguyen

“…The results indicate that the polymer hot mix asphalt (PHMA) mix exhibited the highest elastic modulus value, followed by stone mastic asphalt (SMA) mix, and hot mix asphalt (HMA) mix. …”
Get full text

Final Paleolithic in the Kaliningrad Region: current state of the study and source criticism based on published and archival data by Evgeniia Р. Tkach, Anzhela D. Malyarova, Artem S. Tarakanov

“…A detailed description of all materials belonging to the Stone Age was made by 1937. The variety of items made of bone and antler allowed researchers of the first half of the XX century to identify the initial stage of human occupation of the region using both typological and palynological methods. …”
Get full text

Recent advances in adipose-derived mesenchymal stem cell-derived exosomes for regulating macrophage polarization by Zhewei Dong, Yingli Fu, Zhongming Cai, Hao Dai, Yucang He

“…The anti-inflammatory and immunomodulatory properties of these exosomes provide new perspectives for therapeutic approaches for graft inflammation, bone healing, acute lung injury, kidney stones, myocardial infarction, and diabetes-related diseases. …”
Get full text