leaf characteristics 中文意思是什麼

leaf characteristics 解釋
葉特徵
  • leaf : n (pl leaves)1 葉;〈集合詞〉葉子;茶葉,煙葉。2 花瓣。3 (書刊等的)一張(兩面)。4 金屬薄片,...
  • characteristics : 產品性能描述
  1. The characteristics of the sub - leaf epidemics of the plants have been observed and compared by scanning electronic microscope. lt was found out that the micro characteristics are important in a sense for identification the varieties. the constituents of volatile oil from dry flower buds of l hypoglauca miq., l acuminate wall, and l similis hemsl

    首次通過gc - ms聯用技術分析了紅腺忍冬、淡紅忍冬和峨眉忍冬乾燥花蕾揮發油成分,並通過計算機質譜庫檢索並與標準圖譜對照,對其所含化合物進行了鑒定,發現棕櫚酸是它們的主要成分,相對含量最高佔49 . 27 ,最低佔28 . 71 ,其餘成分的組成和含量差別較大。
  2. Biological characteristics of the pathogenic fungus causing leaf spot disease of prunus americana

    布朗李葉枯病菌生物學特性研究
  3. Plants growing in the semi - fixed sand dunes, on the other hand, were less branchy with a larger number of first - year shoots which were longer, and grew faster ; their leaves were longer and wider with a low length / width ratio. the characteristics of the branching system and leaf dimensions of the plants in fixed sand dunes were rather intermediary between those of the above. the frequency distribution and their frequency in the herb layer the scrubs also varied with habitats

    丘間低地的黃柳灌叢當年枝平均長度增加緩慢,短枝條的比例較高,當年枝枝長頻度分佈峰值偏左,葉片短而狹,長寬比大;與之相比,分佈於半固定沙丘的灌叢當年枝平均長度增加較快,長枝條比例較高,葉片長而寬,長寬比小;固定沙丘上的上述特徵大致介於二者之間。
  4. The paper studied comprehensive performance of ten different mixed lawn grass at chengdu city, the characteristics of lawny planting speed, greensward density, leaf texture, green vegetation index, disease resistance, the cover age, uniformity and comprehensive quality were evaluated

    摘要對10個混播組合草坪草在成都地區的綜合表現進行了研究,分別對建植速度、密度、葉片質地、綠度、抗病性、蓋度、均一性、綜合評定共8項質量進行綜合評價。
  5. The biological characteristics of the pathogenic agent of steviae leaf spot disease

    甜葉菊斑枯病病原菌的生物學特性
  6. Identification of pathogen of tomato target leaf spot and its biological characteristics

    番茄褐斑病病原菌鑒定及生物學特性研究
  7. The pca results indicated that the characteristics of length, breadth, the angle of leaf basal in lamina and the characteristics of calyx - tube, corolla dimension and inflorescence pedicel in the flower were the main reasons leading to the morphological variations, and the f - test of single factor variance analysis verified the conclusion

    主成分分析顯示,葉部特徵的長度、寬度、葉基夾角等,以及花部特徵的花獸筒、花冠幅、花序總梗等是造成不同居群野生早櫻表型差異的主要因素,單因素方差分析也印證了這一結論。
  8. Their differences are based on many aspects which include characteristics of morphology, anatomy and epidermis of leaf, types of tapetum in anther walls, patterns of endothecial thickenings, and ways of development of endosperms, presence or absence of perisperm, components of photochemistry, and sequences of rbcl

    菖蒲屬與天南星科其它屬在葉的形態、結構、表面特徵,花藥絨氈層類型,藥室內壁增厚的特點,胚乳的發育方式,外胚乳的有無,植物化學成分, rbcl基因序列等多方面存在著顯著的差異。
  9. In the plant organs, the stomatic distribution characteristics of leaf epidermis may be taken as an evidence of plant classification

    在植物不同的器官中,葉表面的氣孔分佈特徵可以作為植物分類的佐證。
  10. Pathogen identification and biological characteristics of leaf spot on zoysia japonica

    日本結縷草葉斑病病原鑒定及其生物學特性研究
  11. Effects and physiological mechanism of planting densities on photosynthesis characteristics of flag leaf and grain yield in wheat hybrid c6 - 38 py

    1旗葉光合特性和產量的調控效應及其生理機制
  12. Study on growth and photosynthesis characteristics of grafted melon showed that, growth indexes such as plant height, stem diameter, root fresh and dry weight, stem and leaf of grafted melon in exuberant growth period were all higher than that of ck, while the root activity was improved and photosynthesis was enhanced

    摘要對嫁接甜瓜生長發育及生理代謝的研究結果表明:生長旺盛期嫁接的甜瓜,其蔓長,蔓粗、根、莖、葉的干質量和鮮質量等生育指標均高於對照,且嫁接甜瓜較對照根系活力提高,光合作用增強。
  13. Based on general morphology and cultural characteristics, at 37 growth speed quick in 25, aspergillus on leaf beetles was identified as aspergillus fumigatus var. fumigatus

    摘要根據金葉女貞瓢葉甲生麴黴在37培養下的生長速度快於25和形態學特徵等,鑒定為煙麴黴原變種。
  14. The pathogen identification of leaf - spot and its biological characteristics on gentiana spp

    秦艽斑枯病病原菌鑒定及生物學特性研究
  15. This study started from the analysis of morphological characteristics of samples ( including 27 flowering prunus mume varieties, 19 fruiting prunus mume varieties and 8 varieties between prunus salicina and prunus ameniacd ) such as leaves and stones, followed by the analysis of rapd and clustering of the rapd result. it has revealed that : there were great differences in leaf morphology among p. mume, p. salicina and p. ameniaca

    本研究對54個供試材料(其中包含27個花梅品種、 19個果梅品種、 8個李杏品種)形態部分的葉片、果核的性狀特徵進行分析,然後採用rapd分子標記技術對其基因組dna差異進行檢測及聚類分析,結果表明:李、杏、梅三者在葉片的形態特徵上有較大差異。
  16. The paper also studied the survivorship, early growth and leaf photosynthetic characteristics of kandelia candel seedlings planted in the tidal mangrove area of zhangjiang estuar y of yunxuao, fujian

    由花期轉入果期的木欖繁殖體,種子不經休眠而在母樹上發芽並從果實中伸出胚軸。
  17. So far new variety is deficient and difficult to popularize because it is hard to know the eclolgical adaptability of plants, so we ca n ' t adjust measures to local conditions. in this paper, we systematically studied photosynthetic characteristics, light response characteristics, photosynthetic diurnal variation, growth, biomass, seasonal variation of physiological characteristics and leaf anatomy of cydobalanopsis multinervis and michelia foveolta under different shadings ( full light, one layer shading, two layers shading ) by ecophysiologi cal methods

    本研究運用生理生態學的研究方法,選取目前在園林上應用較少的多脈青岡和金葉含笑的幼苗為研究材料,對其在不同遮蔭處理下(全光照、一層遮蔭、兩層遮蔭)的光合特性、光響應特性、光合日變化、生長情況、生物量、生理特性的季節變化及葉片形態解剖結構等方面進行了較為全面系統的研究。
  18. Comparative studies on the photosynthetic characteristics and chlorophyll fluorescence parameters with okra - leaf and normal - leaf hybrid cotton cultivars

    正常葉與雞腳葉雜交棉光合和葉綠素熒光參數的比較
  19. Liu et wu. as a result, anatomical characteristics of foliar and wood showed a remarkable inter - and intra - specific variation, but the interspecific changes in leaf surface and leaf anatomical features indicated a clustery trend

    結果表明,各解剖特徵的種間和種內差異較為顯著,葉表面結構特徵和葉解剖特徵的種間變化顯示了一定的規律性。
  20. Morphological development of ovule - like organ on the leaf and variation characteristics of ginkgo biloba var. epiphylla mak. ohatsuki

    葉籽銀杏擬胚珠的形態發育及變異特性
分享友人