粉壁結構 的英文怎麼說

中文拼音 [fěnjiēgòu]
粉壁結構 英文
pollen wall structure
  • : 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...
  • : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  1. Cupressus ) the pollen grains contain just two nuclei : a generative nucleus and a vegetative nucleus ( tube nucleus )

    當花粒形成后,花上分佈有萌發孔,花管從萌發孔處向外突起形成管狀,生殖核轉入管中。
  2. These results show that since the existent defects of combustion device structure and its hypothetical circle of contact, these make a poor primary and secondary wind rigidity in operation and a too big actual circle of contact. in addition, the coal used is extreme prone to burn and reside in boiler. under such a condition, the coal powder ignites earlier in a short time and short distance when it leave the jet - combustioning device, and splashes the water cooler, eventually this results in a burned coal residue in boiler

    針對宏偉熱電廠410t / h燃煤鍋爐嚴重渣問題,對燃煤的渣性、爐內溫度工況及空氣動力工況等進行實驗研究,由於燃燒器和假想切圓選擇的缺陷,使得鍋爐在正常運行時,一、二次風剛性較差,實際切圓過大,加上目前燃用煤質屬于極易燃、易渣煤質,致使煤在離開噴燃器很短的時間、較短的距離內開始著火,並沖刷水冷,最終造成爐膛渣。
  3. It consists of an air - filled protuberance on each side of the pollen grain developed by the separation of the exine layers, giving the pollen a characteristic winged appearance

    它是花粒外向外擴展而形成的囊狀,在花粒兩側呈翅狀,其內充滿空氣。
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