萌發孔 的英文怎麼說

中文拼音 [méngfākǒng]
萌發孔 英文
germ pore
  • 萌 : Ⅰ動詞1 （萌芽） sprout; shoot forth; germinate; bud2 （開始; 發生） start; occur 3 [書面語] （鋤...
  • 發 : 名詞（頭發） hair
  • 萌發 : sprout; sprouting; germinate; germination; shoot; bud
  1. Oleifera was observed with lm. results showed that there were vegetative cell and generative cell in the pollen grain of genus camellia, the generative cell is more smaller than that of the vegetative cell. the generative cell was lay on the vegetative cell as an elongate spindle, and only the generative cell membrane and nuclear membrane which near the cell polar linked up the vegetative cell membrane, one of the linked area was located near by the aperture of pollen grain

    結果表明，山茶屬植物花粉粒中含有生殖細胞和營養細胞，生殖細胞較小，呈長紡錘形，游離在營養細胞中，生殖細胞極軸兩端的細胞膜和核膜與營養細胞的細胞膜相連，其中一端的連結處位於花粉粒萌發孔附近。
  2. Most of the germinal apertures were 3 couples, distributed symmetrically at the three sides by the axis of symmetry of the tetrahedron

    萌發孔溝的長度、寬度、孔蓋長寬與形狀、突起的程度等，在個體間有差異。
  3. At the surface of the pollen grains there are three types of aperturates, including three porates type, three colpates type and three porate - colpates type ; and four types of sculpture, namely, reticulate, striate, striate - reticulate and verrucate. the upper epidermal cells of the leaves of 12 species plants are detected with hpias - 1000 image analytic system through the treatment of binarization, and the experimental methods are proved stable. the results indicated that the waviness of the anticlinal walls ( sfc ) and the ratio of the feret ' s diameter ( slf ) of the epidermal cells of the middle lamina in the third node of leaves starting from the lowerest part of the stem have a relative constant range and could distinguish from each other. oieanolic acid, l, 5, 8 - trihydroxy - 3 - methoxyxanthone and swertiamarin are separately detected on the tlc, and the different chromatogram of various plants can be considered as characters of identification. the contents of oleanolic acid in 12 species of plants are determinated by hplc, but among the different plants and botanical organs their contents are different, and the highest content in flowers

    本文對川鄂產獐牙菜屬藥用植物資源進行了野外調查、標本採集和鑒定，對12種乾燥藥材的性狀進行了描述，提供了可以鑒別的特徵。通過掃描電子顯微鏡觀察的12種本屬藥用植物的花粉粒均為單粒花粉，萌發孔有3孔型， 3溝型和3孔溝型三種類型；表面紋飾包括網狀紋，條狀?網狀紋，條狀紋和瘤狀紋四種類型。用hpias ? 1000高清晰度彩色病理圖文分析系統對葉片上表皮細胞作圖像分析，並進行方法學研究，結果表明，同種植物莖上第3節葉片中段主脈和第1側脈之間葉上表皮細胞垂周壁彎曲程度sfc值和細胞縱、橫向直徑的比值slf值，種間有顯著差異，每種都有相對恆定范圍值。
  4. The colpal membrane is nearly smooth but with granular, spinulose or tuberculate protuberances. the pollen grains show great variations between the genera in the tribe hyoscyameae in terms of the presence or absence of the germination aperture and its type, and the exine ornamentation, and thus can be used as important characters in the consideration of the phylogenetic relationship of this tribe

    各屬植物的花粉形態在萌發孔的有無、萌發孔的類型和外壁紋飾等方面有較大的差異，可以作為探討屬間分類和系統關系的重要依據c天仙子族植物花粉萌發孔的演化趨勢為：無萌發孔一3 、 4溝一3孔溝。
  5. The evolutionary trend of the germination apertures of the pollen grains in this tribe may be from the absence of germination apertures to the presence of 3, 4 - colpate, then to 3 - colporate germination aperture

    無萌發孔的山莫若屬是原始類群，三孔溝的馬尿泡和天仙子等屬是進化類群。
  6. Cupressus ) the pollen grains contain just two nuclei : a generative nucleus and a vegetative nucleus ( tube nucleus )

    當花粉粒形成后，花粉粒壁上分佈有萌發孔，花粉管從萌發孔處向外突起形成管狀結構，生殖核轉入管中。
  7. After 1 year, the survival rates of seedlings planted in k. candel forest, avicennia marina forest and at bare tidal flat were 54. 7 %, 13. 7 % and 76. 0 %, respectively. insect and crab feeding were the main cause of lower survivorship of k. candel seedlings under a. marina forest. among the surviving k. candel seedlings, seedlings at bare tidal flat grew much better in terms of height, diameter, leaf production and biomass than did under the a. marina forest and k. candel forest

    高鹽（ 30 % 0一50 % 0 ）影響桐花樹幼苗的萌發; o一30 % 0鹽度下桐花樹幼苗的凈光合速率、蒸騰速率和氣孔導度都表現為低鹽促進，高鹽抑制的變化趨勢;無鹽條件下幼苗的凈光合速率明顯低於5 ~加% 0鹽度:桐花樹胎生繁殖體脫離母樹后，在隨后的生長發育過程中表現為吸收累積鹽分的過程。
  8. During the late microspore stage, a big vacuole formed and the nucleus was forced to move to peripheral region

    當小孢子被釋放出后，鈣顆粒開始特異性積累在正在形成的花粉外壁中，尤其在萌發孔的部位聚集了大量的鈣顆粒。
  9. The results indicate that pollen grains radially symmetrical, apolar, spheroidal, the exine with distinct spines and temuity or perforation, usually the spines very small and dense

    7urn ，無極面、無萌發孔。花粉粒表面具三角形或乳突狀小刺，小刺密集整齊，密度在（ 2
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