嚴重缺鐵 的英文怎麼說

中文拼音 [yánzhòngquētiě]
嚴重缺鐵 英文
too little iron
  • 嚴 : Ⅰ形容詞1 （嚴密; 緊密） tight; rigorous 2 （嚴厲; 嚴格） strict; severe; stern; rigorous Ⅱ名詞1 ...
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 缺 : Ⅰ動詞1 （缺乏; 短少） be short of; lack 2 （殘缺） be missing; be incomplete 3 （該到而未到） be ...
  • 鐵 : Ⅰ名詞1 （金屬元素） iron （fe） 2 （指刀槍等） arms; weapon 3 （姓氏） a surname Ⅱ形容詞1 （形容...
  1. One side, groovy cast steel flap valves increase the head loss, waste electricity, the other side, when flap valves close, it always delay time because of it ' s low proportion. the bump load seriously threaten the safety of pumping station. through the research and development of flap valve used in the renovation practices in the design of air - filled floating flap valve in no. 1 chuhe pumping station of anhui province, the working characteristics and design methods of air - filled floating flap valve are studied in this paper

    但在拍門運行使用的同時，又時常暴露出一些缺陷，主要有：一是常規的鑄鐵或鑄鋼拍門加大了流道的水頭損失，特別是對于裝機容量較大的排澇泵站，其電能損耗相當可觀；二是拍門在自重下下落關閉時，往往由於過多考慮水頭損失導致浮重過小而延誤閉門時間，致使水體倒灌，再因緩沖裝置失靈導致閉門時門體對門框撞擊力很大，嚴重危及站身安全。
  2. Leaf to right : same potassium supply with additional ( luxury ) iron supply ; symptoms of potassium deficiency delayed in older leaves and especially evident in later younger leaves finally becoming more severe with increased iron supply

    從左到右：鉀的供應伴隨著鐵的供應，缺鉀癥會延遲出現在老葉上，後期的幼葉尤其明顯，最後隨著鐵供應的增多，缺鉀癥狀更加嚴重。
  3. Iron deficiency causes interveinal chlorosis, mesophyll yellowing or paling and leaf size reduction and, if severe enough, retards the growth of the plants and may even cause their death, thus resulting in great losses to agricultural production

    植物缺鐵，葉片脈間失綠，葉肉發黃甚至變白，葉片縮小，如果缺鐵癥狀嚴重，會引起生長停滯甚至死亡，給農業生產造成嚴重損失。
  4. Fruit trees are very important economic crops in people ' s life, the losses of fruit production caused by iron chlorosis are usually higher than those of other annual economic crops because fruit tress, as perennial plants, will remain there for many years after they are planted in a field and an evident accumulation effect may take place

    果樹作為一種與人民生活密切相關的重要經濟作物，由於其本身的特點，缺鐵造成的產量損失遠比一年生作物嚴重，因為果樹一旦栽培在土壤中便很多年不移動，所以有明顯的缺鐵積累效應。
  5. Up to now, the drainage and waterproof system design of most railway tunnels in china did n ' t consider the action of external water load, based on the principle of unlimited drainage, so a great number of railway tunnels have the problem of leakage water, some of which are very serious

    到目前為止，我國大部分鐵路隧道防排水設計主要按「無限制排水」 、尚未考慮外水荷載的作用，按這樣的原則設計隧道防排水存在許多缺陷，有「十隧九漏」的說法，帶來了很多嚴重問題。
  6. Unfortunately, the widespread problem of iron chlorosis of fruit trees remains poorly understood and the results of the methods for its correction are not satisfactory, and they sometimes cause serious environmental problems as well

    可是，時至今日缺鐵現象還沒有完全被人們認識清楚，現行的矯治措施也收效不大，有些甚至還帶來嚴重的環境問題。
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