搜索结果: 1-15 共查到“知识库 chlorophyll”相关记录125条 . 查询时间(0.102 秒)
Non-destructive Measurements of Toona sinensis Chlorophyll and Nitrogen Content Under Drought Stress Using Near Infrared Spectroscopy
Toona Chlorophyll Nitrogen Content Drought Stress
2023/6/2
Drought is a climatic event that considerably impacts plant growth, reproduction and productivity. Toona sinensis is a tree species with high economic, edible and medicinal value, and has drought resi...
DEEP GREEN PANICLE1 suppresses GOLDEN2-LIKE activity to reduce chlorophyll synthesis in rice glumes
DGP1 OsGLK Chlorophyll Photosynthesis Rice Oryza sativa L.
2023/7/20
Understanding the regulation mechanisms of photosynthesis is key to improving its efficiency and, ultimately, crop yield. In this study, we report that DEEP GREEN PANICLE1 (DGP1) is involved in photos...
Spectroscopic determination of leaf chlorophyll content and color for genetic selection on Sassafras tzumu
Spectroscopic determination leaf chlorophyll genetic selection Sassafras tzumu
2023/6/5
Reflectance spectroscopy, like IR, VIS–NIR, combined with chemometric, has been widely used in plant leaf chemical analysis. But less studies have been made on the application of NIR reflectance spect...
MEASUREMENT OF SUN INDUCED CHLOROPHYLL FLUORESCENCE USING HYPERSPECTRAL SATELLITE IMAGERY
Forest stress analysis Hyperspectral Image analysis Sun Induced Chlorophyll Fluorescence Hong Kong Hyperion satellite images Vegetation Indices
2016/12/1
Solar Induced Chlorophyll Fluorescence (SIF), can be used as an indicator of stress in vegetation. Several scientific approaches have been made and there is considerable evidence that steady state Chl...
SPECTRAL FEATURE ANALYSIS FOR QUANTITATIVE ESTIMATION OF CYANOBACTERIA CHLOROPHYLL-A
Chlorophyll-a Spectral analysis Multivariate statistical analysis Vegetation indices Broad band Narrow band
2016/11/23
In recent years, lake eutrophication caused a large of Cyanobacteria bloom which not only brought serious ecological disaster but also restricted the sustainable development of regional economy in our...
Comparison Between Some Common Clays as Adsorbents of Carotenoids, Chlorophyll and Phenolic Compounds from Vegetable Oils
Adsorbents of Carotenoids Chlorophyll and Phenolic Compounds
2016/6/2
Four different clays were compared for their capacities to adsorb chlorophyll and carotenoids; two major pigments in vegetable oils at 30 and 100°C. The clays used include Fulmont, Tonsil N, Tonsil AC...
Excitation Transport and Trapping in a Synthetic Chlorophyllide Substituted Hemoglobin:The Orientation of the Chlorophyll S1 Transition Dipole
Excitation Transport Synthetic Chlorophyllide Substituted Hemoglobin Chlorophyll S1 Transition Dipole
2016/5/20
Excitation transport in synthetic zinc chlorophyllide substituted hemoglobin has been observed by picosecond time-resolved fluorescence depolarization experiments.In this hybrid molecular system, two ...
Picosecond Spectroscopic Study of Chlorophyll-Based Models for the Primary Photochemistry of Photosynthesis
Picosecond Spectroscopic Study Chlorophyll-Based Models Primary Photochemistry Photosynthesis
2016/5/20
A series of covalently linked dimers and trimers of chlorophyllide derivatives was investigated by time-resolved absorption and fluorescence spectroscopy (3-lo4 ps). For these compounds, the freeenerg...
Synthesis and Spectroscopic Properties of a Novel Cofacial Chlorophyll-Based Dimer
Synthesis Spectroscopic Properties Cofacial Chlorophyll-Based Dimer
2016/5/20
We wish to report the synthesis and unique spectroscopic properties of a novel, doubly linked, cofacial chlorophyll (Chl) dimer. Considerable effort has been directed toward the synthesis and characte...
Chlorophyll-Amino Acid Interactions in Synthetic Models
Chlorophyll Amino Acid Interactions Synthetic Models
2016/5/20
A number of amino acids and molecules ofrelated functionality have been covalently connected to pyrochlorophyllide a (PCbla) and bacteriopyrochlorophyllide a (BPCbla) to determine their impact on the ...
A Covalently Bound Dimeric Derivative of Pyrochlorophyllide a. A Possible Model for Reaction Center Chlorophyll
Dimeric Derivative Pyrochlorophyllide Reaction Center Chlorophyll
2016/5/20
Molecular aggregation of chlorophyll has been the subject of intense study in several While there is good evidence for keto carbonyl-Mg interactions in nonbasic solvents, there is much less structural...
"The Effect of Magnesium Coordination on the 13C and 15N Magnetic Resonance Spectra of Chlorophyll a.The Relative Energies of Nitrogen np States as Deduced from a Complete Assignment of Chemical Shifts"
Magnesium Coordination 13C and 15N Magnetic Resonance Spectra Nitrogen np States Complete Assignment Chemical Shifts
2016/5/20
The 5 5 13Cand 4 I5Nnmr transitions in chlorophyll a and its magnesium-free derivative pheophytin a have been assigned. Emphasis is placed on the quaternary carbon atoms of the macrocycle which carry ...
ANALYSIS ON OPTIMAL BANDS FOR RETRIEVAL OF MIXED CANOPY CHLOROPHYLL CONTENT BASED ON REMOTE SENSING
Spectral indices Chlorophyll content Spectral derivative Optimal bands Mixed canopy
2016/1/3
A large number of spectral indices have been developed for estimation of leaf chlorophyll content. However, in most cases these indices have been tested for only one or at most a few related species a...
ESTIMATION OF LEAF AREA INDEX AND CHLOROPHYLL FOR A MEDITERRANEAN GRASSLAND USING HYPERSPECTRAL DATA
Hyperspectral Vegetation Estimation Leaf Area Index Chlorophyll
2015/12/31
The study shows that leaf area index (LAI) and canopy chlorophyll content can be mapped in a heterogeneous Mediterranean grassland from canopy spectral reflectance measurements. Canopy spectral measur...
CORRELATION ANALYSIS BETWEEN INDICES OF TREE LEAF SPECTRAL REFLECTANCE AND CHLOROPHYLL CONTENT
Hyperspectral Remote Sensing Forestry Spectral Indices Simulation Correlation
2015/12/30
This study was conducted to investigate variations of leaf chlorophyll content and surface spectral reflectance of different tree species (Daphniphyllum glaucescens、Michelia formosana、Illicium dunnian...