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4.553 Aktuelle Fachpublikationen zum Thema temperature

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One pot synthesis of environmentally friendly lignin nanoparticles with compressed liquid carbon dioxide as an antisolvent

25.11.2015 | Aye Aye Myint; Hun Wook Lee; Bumjoon Seo; Won-Su Son; Junho Yoon; Tae Jun Yoon; Hee Jeong Park; Jihyun Yu; Jeyong Yo ..., Green Chemistry, 2015

Nanoparticles from the commercial kraft lignin were developed using a facile, one pot green technology of compressed CO2 antisolvent. N,N,-dimethylformamide (DMF) was employed as an organic solvent to prepare the lignin solution. The effects of various process parameters: temperature, pressure, ...


Flexible MOFs under stress: pressure and temperature

25.11.2015 | Abraham Clearfield, Dalton Transactions, 2015

In the recent past an enormous number of Metal–Organic Framework type compounds (MOFs) have been synthesized. The novelty resides in their extremely high surface area and the ability to include additional features to their structure either during synthesis or as additives to the MOF. This ...


Very High-Pressure Fuel-Slurry Integrated Gasifier/Gas Turbine (FSIG/GT) Power Generation Applied to Biomass

20.11.2015 | Marcio L. de Souza-Santos, Energy & Fuels, 2015

The work contributes to the study of the fuel-slurry integrated gasifier/gas turbine (FSIG/GT) concept for the electric power generation process consuming biomass or, more specifically, sugar cane bagasse (SCB). The FSIG/GT process allows for pumping of the solid fuel as a slurry into pressurized ...


A Continuous Fractionation of Ginsenosides and Polysaccharides From Panax Ginseng Using Supercritical Carbon Dioxide Technology

19.11.2015 | I‐Lung Yu, Zer‐Ran Yu, Malcolm Koo, Be‐Jen Wang, Journal of Food Processing and Preservation, 2015

Abstract A continuous supercritical carbon dioxide (SC‐CO2) fractionation was conducted to obtain ginsenosides and polysaccharides from Panax ginseng extract. P. ginseng was mixed with ethanol at a ratio of 1:4 (volume by weight) for 24 h to yield ethanol extract. SC‐CO2 fractionation was ...


Effects of 1‐MCP Treatment on the Shelf Life of “Yueyinzaocui” Pear

19.11.2015 | Xiaoxiao Chang, Yusheng Lu, Jianping Pan, Jishui Qiu, Yang Zeng, Zhixiong Lin, Xinbo Guo, Journal of Food Processing and Preservation, 2015

Abstract “Yueyinzaocui” pear (Pyrus pyrifolia cv. “Yueyinzaocui”) is a variety with good quality that is cultivated in the northeast area of Guangdong province in China and harvested from late June to early July, but it only has a 1‐week shelf life. For the purpose of extending the shelf life ...


Numerical Modeling of the Droplet Vaporization for Design and Operation of Liquid‐pulsed CVD 

19.11.2015 | Raphaël Boichot, Susan Krumdieck, Chemical Vapor Deposition, 2015

Abstract This article presents an approach for modeling the vaporization of droplets of solvent and precursor mixture under vacuum in the pulsed‐pressure (pp) CVD process. The pulsed, direct liquid injection apparatus with ultrasonic atomizer is demonstrated as a controllable and reliable ...


Influence of Cold Low Pressure Lamination Parameters on the Joining of Low Temperature Co‐Fired Ceramics Green Tapes and Sintered Alumina Substrates

19.11.2015 | Michael Hambuch, Christoph Hutzler, Frieder Gora, Frieder Wittmann, Karin Beart, Andreas Roosen, International Journal of Applied Ceramic Technology, 2015

In this study, laminates consisting of sintered alumina substrates and green Low Temperature Co‐fired Ceramics (LTCC) tapes have been produced via Cold Low Pressure Lamination which is based on adhesive tapes for joining of layers at room temperature and pressures


Sustainability, Vol. 7, Pages 15362-15383: Selection of Optimum Working Fluid for Organic Rankine Cycles by Exergy and Exergy-Economic Analyses

19.11.2015 | Darvish, Kamyar ; Ehyaei, Mehdi A.; Atabi, Farideh ; Rosen, Marc A., Sustainability, 2015

The thermodynamic performance of a regenerative organic Rankine cycle that utilizes low temperature heat sources to facilitate the selection of proper organic working fluids is simulated. Thermodynamic models are used to investigate thermodynamic parameters such as output power, and energy ...


Impact of Radio Frequency, Microwaving, and High Hydrostatic Pressure at Elevated Temperature on the Nutritional and Antinutritional Components in Black Soybeans

18.11.2015 | Yu Zhong, Zhuyi Wang, Yanyun Zhao, Journal of Food Science, 2015

Abstract In this study, the effects of high hydrostatic pressure (HHP) at elevated temperature (60 °C) and 2 dielectric heating (DH) methods (radio frequency [RF], and microwaving [MW]) on the nutritional compositions and removal of antinutritional factors in black soybeans were studied. Each ...


Synthesis of Hexagonal Boron Nitride Monolayer: Control of Nucleation and Crystal Morphology

18.11.2015 | Yijing Stehle; Harry M. Meyer, III; Raymond R. Unocic; Michelle Kidder; Georgios Polizos; Panos G. Datskos; Roderick ..., Chemistry of Materials, 2015

Monolayer hexagonal boron nitride (hBN) attracts significant attention due to the potential to be used as a complementary two-dimensional dielectric in fabrication of functional 2D heterostructures. Here we investigate the growth stages of the hBN single crystals and show that hBN crystals change ...


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