Results 41 to 50 of about 7,276 (219)

Chemical characterization of lignin and lipophilic fractions from leaf fibers of curaua (Ananas erectifolius) [PDF]

, 2007
E-mail: delrio@irnase.csic.es (J.C. del Río)The chemical composition of leaf fibers of curaua (Ananas erectifolius), an herbaceous plant native of Amazonia, was studied.
Gutiérrez Suárez, Ana, Marques, Gisela, Río Andrade, José Carlos del   +2 more
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Assessment of an MnCe-GAC Treatment Process for Tetramethylammonium-Contaminated Wastewater from Optoelectronic Industries

Applied Sciences, 2019
Nitrogen-containing wastewater is an important issue in optoelectronic and semiconductor industries. Wastewater containing nitrogen compounds such as ammonium, monoethanolamine (MEA), and tetramethylammonium hydroxide (TMAH) must be properly treated due ...
Da Tian Chang, Daeryong Park, Jun-Jie Zhu, Huan-Jung Fan   +3 more
doaj   +1 more source

Thermally assisted hydrolysis and alkylation of lignins in the presence of tetra-alkylammonium hydroxides [PDF]

, 2012
Three different milled lignins isolated from bamboo, pine and beech, corresponding to the three different structural groups, have been subjected to pyrolysis in the presence of tetramethylammonium hydroxide (TMAH) and tetrabutylammonium hydroxide (TBAH).
Martín Martínez, Francisco, Río Andrade, José Carlos del, Río Andrade, José Carlos del, González-Vila, Francisco Javier, Verdejo Robles, Trinidad   +4 more
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AlGaN /GaN superlattice based p-channel field effect transistor (pFET) with TMAH treatment

, 2019
To realize the full spectrum of advantages that the III-nitride materials system offers, the demonstration of p-channel III-nitride based devices is valuable.
Hatui, Nirupam, Jang, Raina, Keller, Stacia, Koksaldi, Onur, Krishna, Athith, Mishra, Umesh, Raj, Aditya   +6 more
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Contrast enhancement behavior of hydrogen silsesquioxane in a salty developer [PDF]

, 2009
The authors investigated a contrast enhancement behavior of hydrogen silsesquioxane (HSQ) in a salty development system (NaOH/NaCl). Time-resolved analysis of contrast curves and line-grating patterns were carried out to investigate the unique properties
Do Yeung Yoon, Hyun-Mi Kim, Jae Hwan Sim, Joel K. W. Yang, Karl K. Berggren, Ki-Bum Kim, Michael J. Rooks, Min-Hyun Lee, Sung-Wook Nam, Yang   +9 more
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High speed silicon wet anisotropic etching for applications in bulk micromachining: a review

Micro and Nano Systems Letters, 2021
Wet anisotropic etching is extensively employed in silicon bulk micromachining to fabricate microstructures for various applications in the field of microelectromechanical systems (MEMS).
Prem Pal, Veerla Swarnalatha, Avvaru Venkata Narasimha Rao, Ashok Kumar Pandey, Hiroshi Tanaka, Kazuo Sato   +5 more
doaj   +1 more source

Recent trends and developments in pyrolysis-gas chromatography: review [PDF]

, 2008
Pyrolysis-gas chromatography (Py-GC) has become well established as a simple, quick and reliable analytical technique for a range of applications including the analysis of polymeric materials.
Arias, Armitage, Aslan, Asperger, Asperger, Asperger, Asperger, Bertini, Beyer, Blackledge, Blokker, Bonaduce, Bruck, Buckley, Buco, Campbell, Casas-Catalán, Causin, Challinor, Challinor, Challinor, Chang, Chiavari, Choi, Choi, Colombini, De Koeijer, De la Cruz-Canizares, Dignac, Doménech-Carbó, Doménech-Carbó, Dunn, Dzierzega-Lecznar, Dzierzega-Lecznar, Egan, Erickson, Evans, Evans, Fabbri, Fabbri, Fanter, Fifield, Flodin, Garcette-Lepecq, Gleixner, González-Vila, Goodacre, Greenwood, Greenwood, Greenwood, Greenwood, Guo, Gupta, Göbbels, Gözet, Halket, Halket, Heffenden, Herrera, Horrocks, Ikeya, Ishikawa, Islas, Jakab, Jamin, Jansson, Jarde, Jia, Jin, Jose Gonzalez-Rodriguez, Karina L. Sobeih, Kechang, Kochanowski, Kumooka, Lattimer, Lazaro, Learner, Levy, Li, Ling, Liu, Mao, Marinari, Marinari, Mark Baron, Marques, Maynard, Meruva, Metz, Moldoveanu, Mowry, Munson, Mäkinen, Nierop, Odermatt, Odermatt, Oguz, Ohshima, Osete-Cortina, Osete-Cortina, Osete-Cortina, Park, Parsi, Parsi, Parsi, Parsi, Partouche, Pasch, Peacock, Pel, Pel, Perng, Perng, Petsch, Poerschmann, Poirier, Prasad, Prati, Raghavan, Raulin, Ristau, Ristolainen, Rodriguez, Ross, Räisänen, Sakayanagi, Scalarone, Schmidt, Schwarzinger, Sephton, Sessions, Snyder, Stauffer, Stout, Stout, Stout, Suelves, Sugden, Sun, Sundarrajan, Suuronen, Takayasu, Takayasu, Tanczos, Thomsen, Tsai, Tsuge, Tsuge, Tzamtzis, Urakami, Uyar, Uyar, Vanderborgh, Volkman, Wampler, Wampler, Wampler, Wang, Wang, Wang, Wang, Wang, Wang, Wang, Wang, Wang, White, Wilkes, Wilkes, Yamamoto, Yang, Yaylayan, Yinon, Zhang, Zhou, Zhu, Zimmerman, Zlotnick, Çoban-Yildiz, Łakomy   +179 more
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Optimization of Mesa Etch for a Quasi-Vertical GaN Schottky Barrier Diode (SBD) by Inductively Coupled Plasma (ICP) and Device Characteristics

Nanomaterials, 2020
The optimization of mesa etch for a quasi-vertical gallium nitride (GaN) Schottky barrier diode (SBD) by inductively coupled plasma (ICP) etching was comprehensively investigated in this work, including selection of the etching mask, ICP power, radio ...
Yue Sun, Xuanwu Kang, Yingkui Zheng, Ke Wei, Pengfei Li, Wenbo Wang, Xinyu Liu, Guoqi Zhang   +7 more
doaj   +1 more source

Foraminifera Iodine to Calcium Ratios: Approach and Cleaning

Geochemistry, Geophysics, Geosystems, 2021
Planktic and benthic foraminiferal iodine (I) to calcium (Ca) molar ratios have been proposed as an exciting new proxy to assess subsurface and bottom water oxygenation in the past.
Helge Winkelbauer, Kathy Cordova‐Rodriguez, Dharma Reyes‐Macaya, Jennifer Scott, Nicolaas Glock, Zunli Lu, Elliott Hamilton, Simon Chenery, Phil Holdship, Charlotte Dormon, Babette Hoogakker   +10 more
doaj   +1 more source

Quality not quantity: organic matter composition controls of CO₂and CH₄fluxes in neotropical peat profiles [PDF]

, 2016
Tropical peatlands represent an important source of carbon dioxide (CO₂) and methane (CH₄) to the atmosphere. However, we do not know where in the peat profile these gases are produced and how controlling factors, such as substrate quality, which can ...
Boom, Arnoud, Hoyos-Santillan, Jorge, Large, David, Lomax, Barry H., Lopez, Omar R., Sjögersten, Sofie, Turner, Benjamin L.   +6 more
core   +2 more sources