نتایج جستجو برای: tandem configuration

تعداد نتایج: 181838  

2017
P. M. Teillet B. L. Markham Richard R. Irish

The paper presents the results of an extended analysis of image data sets acquired during the tandem-orbit configuration in 1999 for the purposes of radiometric cross-calibration of the Landsat-7 Enhanced Thematic Mapper Plus (ETM+) and Landsat-5 Thematic Mapper (TM) sensors. Earlier work focused on the tandem pair for the Railroad Valley Playa, Nevada (RVPN) site to tie down the Landsat-5 TM c...

2014
YUAN Wei TIAN Wei HU Hui

An experimental study was conducted to investigate the effects of relative rotation direction on the wake interferences among two tandemwind turbines models. While the oncoming flow conditions were kept in constant during the experiments, turbine power outputs, wind loads acting on the turbines, and wake characteristics behind the turbines were compared quantitatively with turbine models in eit...

Journal: :ACS applied energy materials 2022

Perovskite-based tandem solar cells are promising candidates for industrial applications. This study demonstrated perovskite/silicon devices based on a conventional Si homojunction device configuration employing tunnel oxide passivating contact to improve the voltage. Moreover, we fabricated it without deposition of recombination layer large area while showing possibility applying industry mark...

Journal: :Energy Conversion and Management 2022

• A novel hybrid wake control strategy to improve power production of wind farms is presented. Changing both yaw and tilt angles the upstream turbine can provide largest deflection. Total generation improvement two tandem turbines by 6.1%. Annual energy enhancement 3.7% achieved at θ = 30 o ϕ 24 . The that operate in region produce less may suffer serious structural issues due highly unsteady f...

2014
Xirui Hu Thomas J. Maimone

A four-step synthesis of the antimalarial terpene cardamom peroxide, a 1,2-dioxepane-containing natural product, is reported from (-)-myrtenal and molecular oxygen. This highly concise route was guided by biosynthetic logic and enabled by an unusual manganese-catalyzed, tandem hydroperoxidation reaction. The absolute configuration of the cardamom peroxide is reported, and its mode of fragmentat...

2013
Peter Bell Fergus McInnes Siva Reddy Gangireddy Mark Sinclair Alexandra Birch Steve Renals

This paper describes the University of Edinburgh (UEDIN) English ASR system for the IWSLT 2013 Evaluation. Notable features of the system include deep neural network acoustic models in both tandem and hybrid configuration, cross-domain adaptation with multi-level adaptive networks, and the use of a recurrent neural network language model. Improvements to our system since the 2012 evaluation – w...

2001
L. A. Johansson L. A. Coldren

Chirp-controlled optical modulation is demonstrated using a voltage division scheme applied to a long-section phase modulator to compensate for the positive chirp of an electroabsorption modulator arranged in a tandem configuration. Both modulators are integrated with a semiconductor optical amplifier (SOA) and a sampled-grating distributed Bragg reflector (DBR) laser. The effective chirp facto...

Journal: :Organic letters 2016
Jianwei Chen Jiadong Sun Robert W Deering Nicholas DaSilva Navindra P Seeram Hong Wang David C Rowley

Rhizoleucinoside (1), a unique rhamnolipid-amino alcohol hybrid, was isolated from the rhizobial symbiont bacterium Bradyrhizobium sp. BTAi1. Compound 1 features a rare rhamnolipid core attached to an unprecedented leucinol moiety. Its structure and absolute configuration were determined by spectroscopic analysis, tandem mass spectrometry, chemical degradation, and application of the Marfey's m...

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