超量聚積作用 的英文怎麼說

中文拼音 [chāoliángzuòyòng]
超量聚積作用 英文
hyperaccumulation
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  1. The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete

    研究結果表明,水泥的品種和是影響混凝土收縮值的主要因素之一,當混凝土中水泥過470kg / m ~ 3時,混凝土的收縮值過400 10 ~ ( - 6 ) ,在約束狀態下存在高開裂風險;採細砂使混凝土單位顯著提高,收縮值也大幅增加;優質粉煤灰總體上能抑制混凝土的收縮,以方式摻入其抑制更加明顯,但粉煤灰混凝土早期的粘性較差,應注意養護,以免失水產生龜裂;早強減水劑和緩凝減水劑都會使混凝土收縮值增加;膨脹劑只能補償混凝土部分收縮,同時受緩凝劑和粉煤灰的抑制,而且膨脹使混凝土的體安定性增加了不確定因素,膨脹劑不是解決混凝土收縮裂縫的良方。
  2. A shrinking population will make it difficult to accumulate certain kinds of high - end human capital that require a critical mass to be functional. this will be much to the detriment of our efforts to nurture a knowledge - based economy

    要達致人才匯,需要過所謂"臨界數"的優質人才,才可發揮。人口下降會妨礙人力資本累,對于發展知識型經濟極為不利。
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