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木化细胞
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  lignified cell
     The thickness of vessel walls, the diameter of lignified cells,the thickness of lignified cell walls and the width of fibers of willow showed a positive correlation to its resistance to the insect.
     柳树的导管壁厚度、木化细胞半径、木化细胞壁厚和纤维宽度与光肩星天牛危害程度呈显著正相关;
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  “木化细胞”译为未确定词的双语例句
     The analysis of variance proved that, the oviposition impression number and the overwinter surviving larva number are different at a significance level of 5%, the hatching larva numbers are different at a significance level of 10%, among different willow varieties. The above factors were analyzed, and it proved that , the willow resistance from high to low is: Salix matsudana f.
     在柳树嫩枝的内部解剖特征量与光肩星天牛危害之间有显著关系的因素中,经逐步回归分析,表明导管壁厚对产卵刻槽数有极显著的影响,木化细胞半径对产卵刻槽数有显著影响,木化细胞壁厚和纤维宽这2个变量对越冬幼虫存活数有显著的影响,以上4个变量的偏向关系数均为正,是有利于天牛危害的特征量。
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     In the paper the results of wood dssue microtdissection of four Casuarina strains are reported, the physical ciharacteristics of wood vessels, lignified cells between vessels and rays are reporkd, and the mechanism of insect resistance is cuified.
     本文报道了4个品系木麻黄木材组织显微解剖结果,分析了木材导管、导管间区木化细胞和射线等物理特征,探讨了木麻黄抗虫机制。
短句来源
     the lignified cells between vessles are relatively evident and the ratio of wall thickness to lumen diameter is maximal (56.59%);
     导管间区木化细胞较明显,壁厚与腔径比值最大,为56.59;
短句来源
     In this paper the results of wood tissue micro梔issection of wood vessels, lignified cells between vessels and rays, wood fiber morphological structure, elementary nutriment (sugar , amino acid) of four Casuarina strains with different resistance to Anoplophora chinensis (Forster),and the mechanism of physical and chemistry insect resistance from two respect were verified.
     本文报道了4个不同抗虫品系木麻黄导管、导管间区木化细胞、射线等木材组织显微解部结构、木材纤维形态分析、基本营养物质(糖、氨基酸等)及酚类等化学物质含量,从物理抗性和化学抗性两方面探讨本麻黄抗虫机制。
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     The willow twig anatomy features which were significantly related to the longgihorn damage were the wall depth of vessel,the radius of xylem cell wall,the depth of xylem cell and the width of fiber.
     光肩星天牛对柳树的危害程度与树种解剖特征量中导管壁厚、木化细胞半径、木化细胞壁厚和纤维宽关系密切。
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  相似匹配句对
     2. basal cell;
     基细胞;
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     Tom Clancys Splinter Cell
     细胞分裂
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     STUDIES ON CHEMICAL CONSTITUENTS OF KU-MU (PICPASMA QUASSIOIDES BEEN)
     苦木化学成份的研究
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     The Beating and Papermaking Characteristics of Eucalyptus Chemical Pulps
     桉木化学浆造纸性能的研究
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     TCF Bleaching of Eucalyptus KP to High Brightness
     TCF高白度桉木化学浆漂白
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  lignified cell
The fluorescent light emitted from the lignified cell wall of jute fibres is partially polarised.
      
A study on the isoelectric point of lignified cell walls is the subject of this paper.
      
These features were characterized by a localized disruption in the microfibrillar orientation of the cellulose and were evident in both unlignified and lignified cell walls.
      
A positive correlation between macrofibril size and degree of lignification is observed, with macrofibrils apparently increasing in size in more highly lignified cell wall types.
      
Labelling in the middle lamella cell corners was only noted in what has been described as nonor poorly lignified cell corner regions.
      
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Chang Shan, the subterranean portion of Dichroa febrifuga Lour. (family Hydrangeaceae), and Shu Chi, the leafy tops of the same plant, have been used in Chinese medicine more than two thousand years, but their antimalarial action has been scientifically proved and constituents investigated only in recent years. A brief account of their history, botanical source, plant habit, cultiva-tion and collection and a detailed description of their sensory, macroscopical and microscopical characters are given. The important...

Chang Shan, the subterranean portion of Dichroa febrifuga Lour. (family Hydrangeaceae), and Shu Chi, the leafy tops of the same plant, have been used in Chinese medicine more than two thousand years, but their antimalarial action has been scientifically proved and constituents investigated only in recent years. A brief account of their history, botanical source, plant habit, cultiva-tion and collection and a detailed description of their sensory, macroscopical and microscopical characters are given. The important diagnostic features of Chang Shan are:-vessels with long oblique end-plates having well-marked scalariform perforations and often containing tyloses; septate xylem-fibres; idioblasts containing bundles of acicular crystals embedded in mucilage; thick-walled pericyclic fibres; the deep-seated origin of the cork. A well-marked medullary sheath of thick-walled, lignified and pitted parenchyma occurs in the pith of both the stem and rhizome. The important diagnostic features of Shu Chi are:-thick-walled, warty, unicellular trichomes; paracytic (rubiaceous) stomata; epidermal cells with pitted anticlinal walls and finely striated cuticle; water-pores in the teeth of the leaf; idioblasts with bundles of acicular crystals em-bedded in mucilage; droplets of fixed oil in most of the cells of the leaf; thick-walled pericyclic fibers from the stem as well as deep-seated cork and characteristic vessels as seen in the subterranean organs. The significance of some of the microscopical findings as a further illustration of the connexion between anatomy and taxonomy is also discussed.

1.常山是八仙花科植物黄常山Dichroa.febrifiuga Lour.的地下部分,而蜀漆是本植物的带叶枝梢,两者都有抗疟的效力。2.木文简单地介绍了前人研究常山的情况,然後详细地描述了,常出和蜀漆的性状和组织构造;并指出了某些组织特徵在分类学上的意义。3.常山的重要特徵是:(1)导管,末梢壁长而斜置,有显著的梯纹穿孔,并常含有侵填体;(2)分隔木纤维;(3)含草酸钙针晶束的异细胞,针晶束外有粘液包围;(4)厚壁的中柱梢纤维;(5)内生性的木栓层。根茎和茎的根部周围有显着的根鞘,根鞘由厚壁的木化细胞所成,壁上有单纹孔。 4.蜀漆的重要特征是:(1)厚壁有疣的单细胞毛;(2)平轴式气孔;(3)垂周壁上具有纹孔的表皮细胞;(4)叶绿锯齿上的水孔;(5)含草酸钙针晶束的异细胞,针晶束外有粘液包围;(6)脂肪油珠,存在於大多数叶肉细胞中。此外、并有由茎中来的厚壁的中柱鞘纤维和内生性的木栓层,以及特殊的梯纹导管,其形状和在地下器官部分所见的一样。

For determing the distribution and concentration of berberine in Coptis rhizomes,sectionswere cut from the fresh rhizomes and placed immediately in the various reagents in the previousresearches.But in present research,the fresh rhizomes were cut into 0.2-0.3cm long and treated with Hg-KI to crystallize berberine in tissues before the sections,which could be protected for a long time,were cut by rotating microtome,and three results were obtained.(1)Abundant crystallization of berberine was occurred in the...

For determing the distribution and concentration of berberine in Coptis rhizomes,sectionswere cut from the fresh rhizomes and placed immediately in the various reagents in the previousresearches.But in present research,the fresh rhizomes were cut into 0.2-0.3cm long and treated with Hg-KI to crystallize berberine in tissues before the sections,which could be protected for a long time,were cut by rotating microtome,and three results were obtained.(1)Abundant crystallization of berberine was occurred in the parenchyma of the cortex,the pith and the pithrays. The berberine was also detected in walls of the xylem constituents,the stone cells and thebast fibers,(2)A smaller number of berberine crystals were observed in the section of basal partof a main rhizome than in those of middle part and its branches ,and the amount of berberine innodal part is more than that in cylindrical part.(3)The sections of various age rhizomes showedthat berberine began to concentrate in cells of rhizome of 2-year-old plants,and then it increasedactually in each year until its amount was at top level in 6-year-old plants. According to previousconclusions,we had offered some valuable suggestions on cultivation and harvest of Coptis chinensis Franch.

黄连属(Coptis)植物根茎中小檗碱的组织化学研究以往都采用新鲜材料切片。试验应用碘化汞钾处理黄连(CoptilschinensisFranch.)根茎,使其中小檗碱沉淀后,石蜡法制片。观察结果表明,黄连根茎中小檗碱主要分布在皮层、髓和髓射线薄壁组织细胞内,木化细胞的细胞壁中也有小檗碱。根茎的基部小檗碱含量少,中部和分枝内较多;节部比节间含量多。在不同年生根茎中,二年生苗根茎的一些细胞内小檗碱开始积累,以后逐年增加,至第六年达小檗碱积累高峰,以后根茎内小檗碱含量不再增加。根据小檗碱在根茎中的分布和积累规律,对黄连栽培和采收提出一些建议。

In the paper the results of wood dssue microtdissection of four Casuarina strains are reported, the physical ciharacteristics of wood vessels, lignified cells between vessels and rays are reporkd, and the mechanism of insect resistance is cuified. The wood vessel number of the high-resistant strain C44 is few and the unit area (1mm2) contains only 20.25 vessels which account for merely 9.72% of the wood area; the lignified cells between vessles are relatively evident and the ratio of wall thickness to lumen...

In the paper the results of wood dssue microtdissection of four Casuarina strains are reported, the physical ciharacteristics of wood vessels, lignified cells between vessels and rays are reporkd, and the mechanism of insect resistance is cuified. The wood vessel number of the high-resistant strain C44 is few and the unit area (1mm2) contains only 20.25 vessels which account for merely 9.72% of the wood area; the lignified cells between vessles are relatively evident and the ratio of wall thickness to lumen diameter is maximal (56.59%); the indexs of the beam number, length and width of rays within the unit area and the area propordon are minimal. The above-mentioned show that the xylem water content of the strain is low, its wood is hard and compact and the nutrients provided by the xylem are few, which are unfavourable to the survival and development of the larvae of Anoplophora chinensis (a stem-boring pest).

本文报道了4个品系木麻黄木材组织显微解剖结果,分析了木材导管、导管间区木化细胞和射线等物理特征,探讨了木麻黄抗虫机制。高抗品系C44木材导管数量少,单位面积(1mm2)仅有20.25个导管,且占木材面积少,仅为9.72%;导管间区木化细胞较明显,壁厚与腔径比值最大,为56.59;单位面积射线的束数、长度、宽度和射线面积/总面积等指标均为最低。说明该品系木麻黄木质部水分含量低、材质坚硬致密、木质部提供养分少,因而不利于星天牛幼虫的生存发育。

 
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