09.05.2013 | P. Sunil Reddy, K. Sudhakar Babu, Navneet Kumar, Chirality, 2013

ABSTRACT A simple, sensitive, and robust normal‐phase isocratic HPLC‐UV method was developed and validated for the enantiomeric separation of rasagiline mesylate and its (S)‐enantiomer. The rasagiline and its (S)‐enantiomer were resolved on a Chiralcel‐OJ‐H (4‐methylbenzoate cellulose ...

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09.05.2013 | Ajmal Shah, Alamdar Hussain Khan, Imran Rafiq Chughtai, Mansoor Hameed Inayat, Asia-Pacific Journal of Chemical Engineering, 2013

ABSTRACT The Steam Jet Pump (SJP) is the most suitable pump for pumping radioactive and hazardous liquids because of its mechanical simplicity, no maintenance, low cost, easy construction, no leakage, simple control, and so on. The only problem with the SJP is the complexity in the ...

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06.05.2013 | Author(s): Yi-Fan Hsieh , Da-Sheng Lee , Ping-Hei Chen , Shao-Kai Liao , Shiou-Hwei Yeh , Pei-Jer Chen , An-Sh ..., Sensors and Actuators B: Chemical, 2013

Publication date: 5 July 2013Source:Sensors and Actuators B: Chemical, Volume 183 Author(s): Yi-Fan Hsieh , Da-Sheng Lee , Ping-Hei Chen , Shao-Kai Liao , Shiou-Hwei Yeh , Pei-Jer Chen , An-Shik Yang This research reports the design, analysis, integration, and test of a prototype ...

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06.05.2013 | Meera Sidheswaran; Wenhao Chen; Agatha Chang; Robert Miller; Sebastian Cohn; Douglas Sullivan; William J. Fisk; Kazu ..., Environmental Science & Technology, 2013

Formaldehyde emissions from fiberglass and polyester filters used in building heating, ventilation, and air conditioning (HVAC) systems were measured in bench-scale tests using 10 and 17 cm2 coupons over 24 to 720 h periods. Experiments were performed at room temperature and four different ...

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03.05.2013 | J. L. Huang, K. Y. Zhou, J. Q. Xu, X. H. Xu, Materials and Corrosion, 2013

Abstract A systematic probabilistic evaluation method for the long‐term creep rupture life (LCL) of T91 alloy superheater tubes is proposed in this work. The effects of steam‐side oxidation on the effective load‐bearing thickness and temperature of tube wall are taken into account, and ...

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30.04.2013 | Joshua J. Cardiel; Alice C. Dohnalkova; Neville Dubash; Ya Zhao; Perry Cheung; Amy Q. Shen, Proceedings of the National Academy of Sciences current issue, 2013

Surfactant molecules can self-assemble into various morphologies under proper combinations of ionic strength, temperature, and flow conditions. At equilibrium, wormlike micelles can transition from entangled to branched and multiconnected structures with increasing salt concentration. Under ...

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29.04.2013 | Yong-Hyun Kim; Ki-Hyun Kim, Analytical Chemistry, 2013

In the analysis of volatile organic compounds in air, the preparation of their gaseous standards at low (sub-ppb) concentration levels with high reliability is quite difficult. In this study, a simple dynamic headspace-based approach was evaluated as a means of generating vapor-phase volatile ...

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29.04.2013 | Abkar, Mahdi ; Porté-Agel, Fernando, Energies, 2013

Large-eddy simulation is used to study the influence of free-atmosphere stratification on the structure of atmospheric boundary-layer flow inside and above very large wind farms, as well as the power extracted by the wind turbines. In the simulations, tuning-free Lagrangian scale-dependent ...

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26.04.2013 | Jiashuang Luan, Shuling Zhang, Mei Zhang, Zhi Geng, Yang Wang, Guibin Wang, Journal of Applied Polymer Science, 2013

ABSTRACT High‐performance poly(ether ether ketone) (PEEK) fibers were prepared by melt‐spinning in the presence of thermotropic liquid crystalline poly(aryl ether ketone) copolymer (FPAEKLCP). The rheological and mechanical properties, birefringence, orientation, and crystallization of ...

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25.04.2013 | Rongfu Huang; Wei Wang; Yichao Qian; Jessica M. Boyd; Yuli Zhao; Xing-Fang Li, Analytical Chemistry, 2013

We report here the characterization of twelve halobenzoquinones (HBQs) using electrospray ionization (ESI) high resolution quadrupole time-of-flight mass spectrometry. The high resolution negative ESI spectra of the twelve HBQs formed two parent ions, [M + H+ + 2e–], and the radical M–•. The ...

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