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粘液道
相关语句
  mucilage canal
     such as inobilateral leaf, mucilage canal or mucilage cavity in petioles and veins, are the typical structure in xerophyte.
     等面叶,叶柄叶脉有粘液道和粘腔,这些都是典型的旱生结构.
短句来源
     The pinna of D. holmgrenii only had stomatal apparatus in lower epidermis,and 1 to 2 layers shorter palisade tissues in adaxial surface,the arranged patterns of vascular bundle and mucilage canal was that they were oppsite arrangement as couple in anticlinal direction;
     贺氏双子铁的羽片仅在下表皮有气孔器分布,在近轴面仅有1~2层较短的栅栏组织,维管束与粘液道在垂周方向相对而生;
短句来源
     the pinna of M.moorei had stomatal apparatus in upper epidermis and lower epidermis,and had 2 to 3 layers palisade tissues in adaxial and its surface,it was isobilateral leaf,the arranged pattern of vascular bundle and mucilage canal was that they were interval arrangement in periclinal direction.
     摩瑞大泽米羽片在上下表皮均有气孔器,近轴面和远轴面均有较长的2~3层的栅栏组织,为等面叶,维管束与粘液道在平周方向相间排列。
短句来源
  “粘液道”译为未确定词的双语例句
     The two sp ecies (genera) are similar in stomatal character and in the absence of accessory transfusion tissue, but they are very different in stomatal distribution, pinna venation pattern and pinna marginal shape, presence or absence of mucilage cana l, differentiation of palisade and spongy parenchyma, characteristics of girder parenchyma and epidermal anticlinal wall.
     两个属在气孔器特征与不具副传输组织方面极为相似,而在气孔的分布、羽片脉序式样与叶缘形态、粘液道的有无、海绵组织与栅栏组织的分化、工字厚壁组织与表皮细胞垂周壁特征方面则有较大的差异。
短句来源
  相似匹配句对
     On the Paradoxes of Tao
     的悖论
短句来源
     On Yi(One)
     “一”
短句来源
     Study on the clearance function of mucociliary system in nasal middle meatus
     中鼻粘液纤毛系统清除功能的研究
短句来源
     Objective: to explore the clearance function of mucociliary system in nasal middle meatus.
     目的:探讨中鼻粘液纤毛系统清除功能的特性。
短句来源
     active secretory of the mucus.
     粘液分泌亢进。
短句来源
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  mucilage canal
Plantlets then differentiated into blade, stipe, and holdfast, with a proper mucilage canal.
      
On the mucilage canal and the mucilage gland in two species ofLaminaria (Phaeophyceae, Laminariales)
      


Zizyphus jujuba Mill grows on the study soil in the northwest of Huabei region and can strongly resist drought. Zizyphus jujuba Mill has small leaves, thick cuticle, dense stomas in lower epidermis, fully developed palisade tissue and degenerate spongy tissue. All. such as inobilateral leaf, mucilage canal or mucilage cavity in petioles and veins, are the typical structure in xerophyte.

酸枣生长于华北西北地区的土石山区,耐旱性极强.酸枣叶片小,角质层厚,下表皮气孔密度大,栅栏组织发达,海绵组织退化.等面叶,叶柄叶脉有粘液道和粘腔,这些都是典型的旱生结构.

Pinna venation pattern and pinna anatomy of two species, S tangeria eriopus and Bowenia serrulata, represent atives of the two genera in Stangeriaceae were studied in this paper. The two sp ecies (genera) are similar in stomatal character and in the absence of accessory transfusion tissue, but they are very different in stomatal distribution, pinna venation pattern and pinna marginal shape, presence or absence of mucilage cana l, differentiation of palisade and spongy parenchyma, characteristics of girder parenchyma...

Pinna venation pattern and pinna anatomy of two species, S tangeria eriopus and Bowenia serrulata, represent atives of the two genera in Stangeriaceae were studied in this paper. The two sp ecies (genera) are similar in stomatal character and in the absence of accessory transfusion tissue, but they are very different in stomatal distribution, pinna venation pattern and pinna marginal shape, presence or absence of mucilage cana l, differentiation of palisade and spongy parenchyma, characteristics of girder parenchyma and epidermal anticlinal wall. Pinna venation and pinna anatomy of St angeriaceae are compared with those of Cycadaceae and Zamiaceae. Stevenson's cla ssification (1992) with two subfamilies and the treatment of Stangeriaceae as a transitional evolutionary position between Cycadaceae and Zamiaceae is supported by present study.

详细研究了托叶铁科两属的2种代表植物Stangeriaeriopus和Boweniaserrulata的羽片脉序和羽片解剖学。两个属在气孔器特征与不具副传输组织方面极为相似,而在气孔的分布、羽片脉序式样与叶缘形态、粘液道的有无、海绵组织与栅栏组织的分化、工字厚壁组织与表皮细胞垂周壁特征方面则有较大的差异。将这些特征与苏铁科和泽米铁科作了比较,并讨论了这些特征在系统学上的意义。研究结果支持Stevenson(1992)将该科分为两亚科以及托叶铁科是介于苏铁科与泽米铁科之间的观点。

Pinna venation and pinna anatomy were examined in ten species of six genera of Zamiaceae (Cycadales), which represent all four tribes. Pinna venation consists of dichotomous parallel veins without a midrib. The vein endings connect to each other in different forms in Dioon spinulosum, Encephalartos friderici_guilielmii and Macrozamia moorei, while they are never connected and reach the pinna margin in Lepidozamia peroffskyana, Ceratozamia mexicana var. robusta, C. hildae, Zamia muricata, Z. debilis, Z. furfuracea...

Pinna venation and pinna anatomy were examined in ten species of six genera of Zamiaceae (Cycadales), which represent all four tribes. Pinna venation consists of dichotomous parallel veins without a midrib. The vein endings connect to each other in different forms in Dioon spinulosum, Encephalartos friderici_guilielmii and Macrozamia moorei, while they are never connected and reach the pinna margin in Lepidozamia peroffskyana, Ceratozamia mexicana var. robusta, C. hildae, Zamia muricata, Z. debilis, Z. furfuracea and Z. floridana, and gradually fade out in L. peroffskyana, C. mexicana var. robusta, and C. hildae. In transverse section, pinna generally consists of an adaxial epidermis and an abaxial epidermis, hypodermal sclerenchyma and mesophyll which may be differentiated into distinct adaxial and abaxial palisade regions, or adaxial palisade only, or entirely spongy tissue. However, typical spongy parenchyma and transfusion tissue are absent from this family. Mucilage canals are opposite the vascular bundles in D. spinulosum, or alternate with vascular bundles in E. friderici_guilielmii, L. peroffskyana and M. moorei. Girder sclerenchyma is connected with the abaxial epidermis only in C. mexicana var. robusta and C. hildae, but with both adaxial and abaxial epidermis in Z. muricata, Z. debilis, Z. furfuracea and Z. floridana. Pinna venation and anatomy support Stevenson's classification of Zamiaceae into two subfamilies.

研究了苏铁目泽米科Zamiaceae 2亚科的所有 4族 (Stevenson系统 ,1 992 )共 1 0种代表植物的羽片脉序及解剖学特征 ,结果显示泽米科羽片脉序为二歧分叉的平行脉 ,无中脉。小刺双子铁Dioonspinulo sum、大头非洲铁Encephalartosfriderici_guilielmii和摩尔大泽米Macrozamiamoorei等的平行脉末端以不同的形式互相连接 ,而鳞木铁Lepidozamiaperoffskyana、粗壮角果铁Ceratozamiamexicanavar.robusta、竹叶角果铁C .hildae、佛州泽米Zamiafloridana、柔叶泽米Z .debilis、鳞秕泽米Z .furfuracea和短尖泽米Z .muri cata等的平行脉末端不连接而直达叶缘 ,其中鳞木铁、粗壮角果铁和竹叶角果铁的脉达叶缘后逐渐消失。羽片的横切面结构通常由表皮、下皮厚壁细胞和叶肉组成 ,表皮层包括上、下表皮各一层 ,叶肉可能同时分化出近上表面的栅栏组织和近下表面的栅栏组织 ,或仅有近上表面的栅栏组织分化 ,或无栅栏组织分化而完全为海绵组织。然而 ,泽米科没有典型的海绵组...

研究了苏铁目泽米科Zamiaceae 2亚科的所有 4族 (Stevenson系统 ,1 992 )共 1 0种代表植物的羽片脉序及解剖学特征 ,结果显示泽米科羽片脉序为二歧分叉的平行脉 ,无中脉。小刺双子铁Dioonspinulo sum、大头非洲铁Encephalartosfriderici_guilielmii和摩尔大泽米Macrozamiamoorei等的平行脉末端以不同的形式互相连接 ,而鳞木铁Lepidozamiaperoffskyana、粗壮角果铁Ceratozamiamexicanavar.robusta、竹叶角果铁C .hildae、佛州泽米Zamiafloridana、柔叶泽米Z .debilis、鳞秕泽米Z .furfuracea和短尖泽米Z .muri cata等的平行脉末端不连接而直达叶缘 ,其中鳞木铁、粗壮角果铁和竹叶角果铁的脉达叶缘后逐渐消失。羽片的横切面结构通常由表皮、下皮厚壁细胞和叶肉组成 ,表皮层包括上、下表皮各一层 ,叶肉可能同时分化出近上表面的栅栏组织和近下表面的栅栏组织 ,或仅有近上表面的栅栏组织分化 ,或无栅栏组织分化而完全为海绵组织。然而 ,泽米科没有典型的海绵组织和传输组织分化。小刺双子铁、大头非洲铁、鳞叶木铁和摩尔大泽米的羽片具有粘液道而无工字厚壁组织 ,在小刺双子铁中粘液道与维管束对生 ,在另 3种中则与维管束轮生 ;但粗壮角果铁、竹叶角果铁、佛州泽米、柔叶泽米、鳞秕泽米和短尖泽米的羽片则具

 
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