搜索结果: 1-15 共查到“工学 regeneration”相关记录47条 . 查询时间(0.075 秒)
ASSESSMENT OF FIRE SEVERITY AND POST-FIRE REGENERATION BASED ON TOPOGRAPHICAL FEATURES USING MULTITEMPORAL LANDSAT IMAGERY:A CASE STUDY in MERSIN,TURKEY
dNBR Fire Severity Landsat ETM+ NDVI SAVI Vegetation Regeneration Wildfire
2016/11/30
Satellite based remote sensing technologies and Geographical Information Systems (GIS) present operable and cost-effective solutions for mapping fires and observing post-fire regeneration. Mersin-Güln...
UNDERSTANDING URBAN REGENERATION IN TURKEY
Informal Settlements Urban Regeneration Spatial Data Infrastructure Disaster Risk
2016/11/8
In Turkey, rapid population growth, informal settlements, and buildings and infrastructures vulnerable to natural hazards are seen as the most important problems of cities. Particularly disaster risk ...
Documentation, Multi-scale and Multi-dimensional Representation of Cultural Heritage for the Policies of Redevelopment, Development and Regeneration
Smart Cultural Heritage Reading Criteria for Cultural Heritage Documentation Multi-scale Representations
2015/9/14
The paper describes reading criteria for the documentation for important buildings in Milan, Italy, as a case study of the research on
the integration of new technologies to obtain 3D multi-scale rep...
POTENTIAL OF UAV BASED CONVERGENT PHOTOGRAMMETRY IN MONITORING REGENERATION STANDARDS
UAV point clouds regeneration forest management stocking space occupancy height free-to-grow
2015/9/10
Several thousand hectares of forest blocks are regenerating after harvest in Canada. Monitoring their performance over different stages of growth is critical in ensuring future productivity and ecolog...
Stand-replacing disturbance does not directly alter the succession of Norway spruce regeneration on dead wood
decaying logs natural regeneration Picea abies
2015/5/5
Density of regeneration in European subalpine Norway spruce (Picea abies) forests is typically low with
regeneration primarily located on dead or decaying wood. The post-disturbance development of t...
INFLUENCE OF TOPOCLIMATIC VARIABLES DERIVATED FROM DIGITAL TERRAIN MODELS OVER THE VEGETATION REGENERATION PROCESSES IN BURNED AREAS
DTM NDVI curvature maps direct solar radiation maps upslope catchment area regenertion vegetal cover
2015/2/4
In this work, the signification of some topo-climatic variables deduced from a DEM over vegetation regeneration
processes after wildfires monitored on a semi-arid region from Landsat TM images has be...
Ionic Liquid Assisted Extraction of Nitrogen and Sulphur-Containing Air Pollutants from Model Oil and Regeneration of the Spent Ionic Liquid
Ionic Liquids Extraction Air Pollutants Nitrogen Compound Sulfur Compounds
2013/3/12
Removal of air pollutants, such as nitrogen and sulphur containing compounds from a model oil (dodecane) was studied. An ionic liquid (1-ethyl-3-methylimidazolium chloride [C2mim] [Cl]) was used as an...
Amplitude Regeneration of Phase Encoded Signals Using Injection Locking in Semiconductor Lasers
Lasers and laser optics Lasers injection-locked
2015/5/25
A phase preserving limiter based on injection locking in semiconductor lasers is experimentally investigated for 10Gb/s phase encoded signals. The proposed scheme exhibits significant amplitude noise ...
Demonstration of Cascadability and Phase Regeneration of SOA-Based All-Optical DPSK Wavelength Converters
Wavelength conversion devices Semiconductor optical amplifiers
2015/5/22
We experimentally demonstrate cascadable regeneration of 10Gb/s DPSK signals by using a two-fold cascade of SOA-based wavelength converters. No additional power penalty and 3dB OSNR improvement are ob...
Large-Scale Photonic Integrated Circuit for Multi-Format Regeneration and Wavelength Conversion
Integrated optics devices Nonlinear optical signal processing
2015/5/22
We demonstrate a large-scale silica-on-silicon photonic integrated circuit with 4 hybridly integrated SOAs for multi-format regeneration and wavelength conversion. Power penalty improvement up to 1.5d...
All-optical phase-preserving amplitude regeneration of 28- Gbaud RZ-DQPSK signals with a microcavity saturable absorber in a recirculating loop experiment
All-optical phase-preserving amplitude regeneration 28- Gbaud RZ-DQPSK signals microcavity saturable absorber recirculating loop experiment
2015/5/20
Microcavity Saturable absorber is used for phase-preserving amplitude regeneration of RZ-DQPSK signals. The regenerator is assessed in a 28 Gbaud recirculating loop showing system tolerance to nonline...
QPSK Phase and Amplitude Regeneration at 56 Gbaud in a Novel Idler-Free Non-Degenerate Phase Sensitive Amplifier
QPSK Phase Amplitude Regeneration Novel Idler-Free Non-Degenerate Phase Sensitive Amplifier
2015/5/20
We introduce a novel input-idler-free non-degenerate phase sensitive amplifier (PSA) configuration and use it for simultaneous phase and amplitude regeneration of quadrature phase shift keyed (QPSK) s...
All-Optical 2R Regeneration of BPSK and QPSK Data using a 90° Optical Hybrid and Integrated SOA-MZI Wavelength Converter Pairs
Coherent communications Wavelength conversion devices
2015/5/20
We demonstrate all-optical 2R regeneration with a 90° optical hybrid and integrated MZI-SOA pairs for 10 Gb/s BPSK and 20 Gb/s QPSK with negative power penalty. Power penalty and OSNR improvements of ...
Wavelength-Tunable Optical Parametric Regeneration for 10.75-Gbit/s and 43-Gbit/s RZ Signals
Wavelength-Tunable Optical Parametric 0.75-Gbit/s 43-Gbit/s RZ Signals
2015/5/15
We experimentally show that our proposed wavelength-tunable optical parametric regenerator can operate for both 10.75-Gbit/s and 43-Gbit/s RZ-OOK signals using a common highly nonlinear fiber. The tun...
Deactivation and Regeneration of Nickel-Based Catalysts for Steam-Methane Reforming（图）
nickel catalyst steam reforming deactivation sintering sulfur poisoning regeneration
2013/10/15
The deactivation of nickel catalysts used in Arak and Razi petrochemical complexes followed by catalyst regeneration was evaluated. The characterization of the different structures was made by powder ...