3,087 research outputs found
The Network Flow Control Based on the Fuzzy Colored Timed Petri Net Model in the OSI Session Layer
No full textBioconversion of benzoic acid to cis, cis-muconic acid by Corynebacterium pseudodiphtheriticum
No full textOptimization of medium composition for the production of extracellular amylase by Thermobifida fusca using a response surface methodology
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Expression of cholesterol oxidase gene from Arthrobacter simplex in Escherichia coli and Pichia pastoris
No full textStable single-frequency travelling-wave fiber loop laser with integral saturable absorber based tracking narrowband filter
No full textWe demonstrate stable single-frequency and polarization operation of a travelling-wave Er3+:Yb3+-doped fiber loop laser by incorporating an unpumped Er3+-doped fiber section butted against a narrowband feedback reflector. The saturable absorber acts as a narrow bandpass filter which automatically tracks the lasing wavelength, thus ensuring single-frequency operation. Output powers up to 6.2 mW at 1535 nm were obtained for launched pump powers of 175 mW at 1064 nm. At this output, the RIN was less than -112 dB/Hz at frequencies above 200 kHz and the laser linewidth less than 0.95 kHz whilst the lasing frequency was observed to drift slowly (~ 170 MHz/hr) due to environmental effects
Genetics structure and phylogenetic relationships of conserved Taoyuan pigs and exotic pig breeds
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