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Manoel Luis dos Santos, Ervim Lenzi, Adilson Rodrigues Coelho
Pág. 99 - 107
Nas últimas décadas, a bacia do rio Ivaí, notadamente na região do Terceiro Planalto Paranaense, vem sofrendo os mais variados tipos de agressões. Esses impactos se refletem nas alterações das características físicas, químicas e biológicas naturais. Nest...
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Imr?n Arshad
Pág. 1 - 13
In ?r?s?nt r?s??r?h w?rk ? sl?v? ?r?gr?m (S???/W) ?f ? G??-Sl??? S?ftw?r?, w?s us?d t? ??m?ut? th? s????g? flux ?nd ?xit gr?di?nt und?r Jinn?h b?rr?g? w?ir f?und?ti?n. 2-D F? m?del w?s g?n?r?t?d by using f?ur ty?es ?f ?l?m?nts, i.?. tri?ngul?r, squ?r?, r...
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ND Ruwanpathirana
An investigation was carried out on selected 20 timber species of Sri Lanka to study different wood properties, i.e., wood density, modulus of rapture, modulus of elasticity, compression parallel to grain, shrinkage/movement, workability (sawing, nailing...
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ND Ruwanpathirana
250 timber species are being used by the timber industry in Sri Lanka and among them major timber consumers are housing developer, furniture manufacturer and wood fabricators. Once the tree is felled, the identification of the tree become very diff...
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Pavel Mikhailik, Irina Vishnevskaya, Liang Yi, Natalia Soloshenko and Vadim Pellinen
A study of the isotopic compositions of neodymium and strontium in four mineral fractions of the hydrogenous ferromanganese crusts of the northernmost Pacific has been carried out for the first time. The relationship of the 87Sr/86Sr ratio and eNd value ...
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Liwei Xu, Yingyi Li, Jun Cai, Wanli Zhao, Tongyu Liu, Tongyu Dai, Youlun Ju and Yu Ding
A graphene passively Q-switched Nd:YAG laser experienced resonant pumping by an 885 nm laser diode (LD), as demonstrated in this paper. In the continuous-wave operation, the maximum average output power was up to 1.8 W with the absorbed pump power being ...
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C. G. Moura, H. Dinis, O. Carvalho, P. M. Mendes, R. M. Nascimento and F. S. Silva
The use of Yttria-stabilized tetragonal zirconia polycrystals (Y-TZP) in medicine has rapidly expanded over the past decade, driven by its advantageous properties, showing potential to overcome titanium alloy in implant fabrication. The release of metal ...
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Maryam Salati, Luis Bragança and Ricardo Mateus
The concept and practice of sustainability in urban planning have gained worldwide significance since the early 2000s and have become increasingly mainstream in the policymaking process. Adopting global frameworks, such as the United Nations Sustainable ...
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Gianluigi Caccianiga, Gerard Rey, Marco Baldoni, Paolo Caccianiga, Alessandro Baldoni and Saverio Ceraulo
In periodontology, lasers have been suggested for the nonsurgical treatment of chronic periodontitis. Many wavelengths were tested, but unfortunately, most parts were not efficient. An Nd:YAG laser was applied in a specific protocol named the laser-assis...
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Martin Breunig, Patrick Erik Bradley, Markus Jahn, Paul Kuper, Nima Mazroob, Norbert Rösch, Mulhim Al-Doori, Emmanuel Stefanakis and Mojgan Jadidi
Without geospatial data management, today?s challenges in big data applications such as earth observation, geographic information system/building information modeling (GIS/BIM) integration, and 3D/4D city planning cannot be solved. Furthermore, geospatia...
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Shuaishuai Yang, Zijian Cui, Ziming Sun, Pan Zhang and Dean Liu
Compact, stable, high-power and high repetition rate picosecond laser systems are excellent sources for optical parametric chirped pulse amplification systems and laser satellite ranging systems. Compared with the traditional complex high-power amplifier...
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Marcia C. Dias-Moraes, Cassio A. Lima, Anderson Z. Freitas, Ana Cecilia C. Aranha and Denise M. Zezell
The present study evaluated the protective effects that are induced by fluoride and Nd:YAG laser irradiation to control dentine erosion. One hundred and twenty bovine dentine slabs were eroded with citric acid twice a day for a total period of 15 days. A...
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Wei Wang, Zhipeng Yan and Zaiyuan Wang
An online measurement method with a measurement cell to estimate internal parameters (small-signal gain coefficient, internal optical losses, the saturation parameter, and transmittance of the output mirror) has potential to be used in the production, ma...
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Todd Danielson
The Irish Hunger Memorial, designed by internationally renowned sculptor and public artist Brian Tolle, originally opened in 2002 to honor the Great Irish Hunger and Migration of 1845-1852 while encouraging viewers to contemplate present-day hunger world...
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Shawn Herring
When it comes to capturing existing conditions, the first question in everyone?s mind seems to be ?to scan or not to scan?? With all the technologies out there, the next question is usually ?which tool is best for the job?? Complicating the ability to an...
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Gregg Blaszak
In June 2016, the South Carolina DOT (SCDOT) was in the midst of building a new interchange at the intersection of I-85/I-385 in Greenville, S.C. During construction, severe localized spalling was found on the cover concrete of one column of a two-column...
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Angus Stocking
Hurricane Maria, which made landfall in Puerto Rico on September 2017, was the worst natural disaster ever to befall the U.S. commonwealth, and also the deadliest storm of the record-setting 2017 Atlantic hurricane season. With peak sustained winds of 17...
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Kenny Lapins
New York?s Tribeca neighborhood in Lower Manhattan is known for its contributions to artistry. Home of the annual Tribeca Film Festival and firehouse Hook and Ladder Company No. 8 (headquarters of the Ghostbusters in the original film), this is a neighbo...
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Julie Holmquist
Harsh environmental conditions create an added challenge to the durability of structures in Middle Eastern regions such as the United Arab Emirates (UAE) and Qatar. Engineers in this region must take into account the effect that corrosive conditions will...
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Sebastian Viehmann
The Hf-Nd isotope systems are coupled in magmatic systems, but incongruent Hf weathering (‘zircon effect’) of the continental crust leads to a decoupling of the Hf-Nd isotope systems in low-temperature environments during weathering and erosi...
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