| 单词 | chlorophyll |
| 释义 | chlorophyll noun[U] uk/ˈklɒr.ə.fɪl/us/ˈklɔːr.ə.fɪl/thegreensubstanceinplants, thatallowsthem to use theenergyfrom thesun 叶绿素Biochemistry
You can also find related words, phrases, and synonyms in the topics: Chemicals, chemical compounds & gases
chlorophyll| American Dictionarychlorophyll noun[U] us/ˈklɔr·əˌfɪl,ˈkloʊr-/biology thegreensubstanceinplantsthatallowsthem to use theenergyfrom thesun Examplesofchlorophyllchlorophyll Solutions ofchlorophyll-protein compounds (phyllochlorins) extracted from spinach. From theCambridge English Corpus These data show that a general trend is observed relating the cell counts and strength of the normalizedchlorophyllband. From theCambridge English Corpus Three phases of dark-recovery course from photoinhibition resolved by thechlorophyllfluorescence analysis in soybean leaves under field conditions. From theCambridge English Corpus This effect is caused by the generally lowerchlorophyllconcentrations in healthy lettuce leaves, as compared with healthy tomato and pepper plants. From theCambridge English Corpus Results indicated that several common algorithms used to estimate biomass and leafchlorophyllcontent were effective in predicting plant stress under all seven illumination sources. From theCambridge English Corpus In all cases, the healthy control plants exhibited larger canopies with higher overall biomass andchlorophyllconcentrations, as compared with the nutritionally stressed plants. From theCambridge English Corpus This correlates well with the optical spectra due tochlorophyllor its related porphyrins. From theCambridge English Corpus Thus, any loss inchlorophylllevels in the peppers should cause an observable increase in reflectance at this band. From theCambridge English Corpus A total of 109 observations each for cotton and rice crops for totalchlorophylland nitrogen concentration were computed from samples collected during field visits. From theCambridge English Corpus Methods for estimating leafchlorophyllcontent of rice: a reappraisal. From theCambridge English Corpus The basis of photosynthesis is the trapping of light energy from the sun bychlorophyll. From theCambridge English Corpus This was associated with ethylene-promotedchlorophyllloss in the embryo during this stage. From theCambridge English Corpus The effect of temperature onchlorophylla content was dependent largely on salinity. From theCambridge English Corpus The carotenoid accessory pigments are intimately associated with both the antenna and reaction chlorophylls, and increases in these pigments may indicate adaptation to higher irradiance. From theCambridge English Corpus However, plantlets were white owing to inhibition of carotenoid biosynthesis and the subsequent destruction ofchlorophyll. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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