花粉粒 的英文怎麼說

中文拼音 [huāfěnlì]
花粉粒 英文
microdiode
  • 花 : Ⅰ名詞1 （種子植物的有性繁殖器官） flower; blossom; bloom 2 （可供觀賞的植物） flower 3 （形狀像花...
  • 粉 : Ⅰ名詞1 （粉末） powder 2 （用澱粉製成的粉條或粉絲） noodles or vermicelli made from bean potato o...
  • 粒 : Ⅰ名 （小圓珠形或小碎塊形物） small particles; grain; granule; pellet Ⅱ量詞（用於粒狀物）
  • 花粉 : [植物學] pollen花粉孢子 pollen spore; 花粉病 pollinosis; pollenosis; hay fever; 花粉蓋 stopples; ...
  1. The results from the pollen densitometers indicate the number of pollen grains sucked into a device per square millimeter of the aperture.

    花粉顯像密度計的計算結果，可以表明每一平方毫米孔徑上吸入的花粉粒數。
  2. Morphology of generative cells in pollen grains of 10 plants of sect. camellia and sect

    摘要用光學顯微鏡對茶組、油茶組和紅山茶組植物共10份材料的花粉粒生殖細胞進行了形態觀察。
  3. In seed plants it is the generative cell in the pollen grain, which divides in the pollen tube to produce two sperm cells

    在種子植物中，它是在花粉粒中的生殖細胞，可以在花粉管內分裂形成兩個精子。
  4. The length of generative cell nuclei is 3. 5 - 20. 0pm. study method on morphology of generative cells in pollen grains and the evolutionistic tendency of genus camellia base on the morphological character and size of generative cell nuclei was also discussed in this paper

    筆者探討了光學顯微鏡下觀察山茶屬花粉粒生殖細胞形態的方法，並根據山茶屬植物花粉粒生殖細胞核的形狀及大小變化，對其演化的趨勢進行了討論。
  5. 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。
  6. In normal greenhouse condition, coda - transgenic wheat lines ( to ) had the same plant morphorlogy and pollen i2 - ki staining rate as untransformed control plant. after treating with 300 mm of 5 - fc, however, changes in configurations of spikelet, floret and anther have been observed in the transgenic lines but not in the control, and 50 % gus - positive lines displayed outside - opened glume, abnormal stamen, smaller and thinner anther, shorter filament, and failure of selfing. in parts of 5 - fc - treated transgenic lines, the pollen staining rate by i2 - ki was much lower than that of untransformed control

    溫室栽培的轉基因小麥苗（ t _ 0 ）未噴5 - fc處理時植株外部形態和花粉碘-碘化鉀染色的著色率與未轉基因的對照沒有差異；用300mm的5 - fc處理后，發現有50 gus陽性株系與對照有明顯的區別，表現為小穗穎殼外張，花絲短縮，花藥發育不良，較小、黃白色且花粉粒少，自花不授粉，無外來花粉授粉則不結實。
  7. Pollen grains are rich in mitochondria, golgi apparatus, and endoplasmic reticulum

    花粉粒富含線粒體、高爾基體以及內質網上。
  8. Both the pollen grains and the gynoecia are active.

    花粉粒和雌蕊都具有活力。
  9. To verify the integration of st901 gene into transgenic plants genome, the stable transgenic plants were analyzed by pcr and southern blotting. the aberrant phenotypes were observed in pollens and anthers of the transgenic plants. most of pollen grains in the transgenic plant were distorted, shrunken, invagination and not stained with the solution of acetocarmine

    通過對轉基因植株花粉、花藥形態的觀察和花粉活力的測定，表明st901啟動子驅動的st901基因在轉基因植株中的表達造成花粉嚴重敗育，花粉粒皺縮，扁癟、塌陷，缺乏內容物；轉反向表達載體的馬鈴薯花粉育性僅為對照的5 . 2 ，育性下降94 . 8 。
  10. When pollen maturating, many small calcium precipitates distributed in its cytoplasm, especially in nucleus

    接近開花時的成熟花粉粒細胞質中，細小的鈣顆粒主要分佈在營養細胞和生殖細胞中。
  11. Recent studies of milkweed plants in and around the cornfields of maryland nebraska and ontario report far lower levels of bt pollen ranging from just six to 78 grains of bt corn pollen per square centimeter of milkweed leaf surface

    最近在美國馬里蘭州內布拉斯加州和加拿大安大略省的玉米田所作的研究發現，不管在田裡或附近，馬利筋葉片上的玉米花粉粒更少，每平方公分只有6 78顆。
  12. The flames of fear erupted again a year later when cornell university entomologist john losey and his colleagues reported that they had fed milkweed leaves dusted with bt corn pollen to monarch butterfly larvae in the lab and that those larvae too had died. that was the straw that broke the camel ' s back says david pimentel also an entomologist at cornell

    一年之後，美國康乃爾大學的昆蟲學者洛西等人提出報告，他們以沾有bt玉米花粉粒的馬利筋葉餵食大樺斑蝶幼蟲，結果那些幼蟲都死了。疑懼之火再度燃起。 「這是壓垮駱駝的那根稻草。 」
  13. Stomium ( pl. stomia ) the site at which a sporangium or pollen sac ruptures to release the spores or pollen

    裂口：孢子囊或花粉囊的開裂位置，小孢子或花粉粒從中散出。
  14. The probability of any air-borne pollen grain impacting a female strobilus is in any case very small.

    任何在空氣中飄浮的花粉粒粘著于雌球花的幾率，在任何情況下都是很小的。
  15. What is more, some of the pollen grains and spores i found in the clays and lignites came from conifers and tree ferns that could have grown only at the high altitudes of a mountain range

    而且我在黏土及褐煤中發現的花粉粒與孢子，屬于針葉樹及樹蕨，它們只生長在高海拔的山區。
  16. 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。
  17. Actin filaments can not be visualized in other cell types, including stem epidermal cell, root fair cell and pollen

    在轉基因植株的其它部位，例如莖表皮細胞、根毛細胞和花粉粒中，未檢測到目的基因的表達。
  18. The pollen grain germinates on a special extension of the carpel, the stigma, and double fertilization results in a diploid zygote and triploid ( usually ) endosperm nucleus

    花粉粒在柱頭上萌發，雙受精導致雙倍體的合子和三倍體的胚乳形成。
  19. Double fertilization the fusion of one pollen nucleus with the egg to form the zygote and of the other pollen nucleus with a polar nucleus to form the triploid endosperm nucleus

    雙受精：指花粉粒中的一個精子與胚珠中的卵細胞結合形成受精卵，另一個精核與極核結合形成三倍體的胚乳核。
  20. The outer wall ( extine ) of the pollen grain is often diagnostic ( see pollen ) and very resistant to decay

    花粉粒外壁（花粉壁）通常為特異性的並很難腐爛。
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