水虧值 的英文怎麼說

中文拼音 [shuǐkuīzhí]
水虧值 英文
water deficit
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ動詞1 (受損失; 虧折) lose (money etc ); have a deficit 2 (欠缺; 短少) be short of; be defi...
  1. This paper analyzes the discount rate and operation cost in economic evaluation, and proposes the value taking method of the discount rate and determination method for the economic limit in different water cut conditions in the later stage of oilfield development basing on the break - even equilibrium principle

    摘要通過對經濟評價中的折現率及操作成本等經濟參數的詳細分析,從資金的保及盈平衡原理入手,分別提出了開發下限的折現率取方法及油田生產後期不同含條件下的經濟極限確定方法。
  2. T. media cv. hicksii seedling hi natural light has higher content of bound - water and water saturation deficit, bigger transpiration rate, and lower relative water content, stronger ability of fighting loss water than that in shading light intensity conditions

    自然光照條件下生長的曼地亞紅豆杉幼苗蒸騰速率較大,葉片相對含量較低,分飽和較大,束縛含量較高,抗脫能力最強。
  3. 2. according to the weighted average, soil co2 concentration is 0. 58 - 13. 29 times of that in atmosphere and is relatively lower than similar research, meanwhile, soil co2 concentration in profile varied irregularly, which possibly is due to the chemical and physical characteristic of loess soils, season change and arid climate etc. the variation of soil co2 concentration in profile is mainly controlled by soil temperature and soil moisture, in contrast with soil temperature, the control role of soil moisture is minor. in conclusion, in order to have a good command of the distribution and change rule of soil profile co2 concentration as well as its effect factors, multi - point and successive location experiment should be made, meanwhile establish indoor soil - pillar monitoring experiment

    土壤co _ 2的濃度約為大氣co _ 2濃度的0 . 58 ? 13 . 29倍與同類研究相比要低,這是與黃土的土質特性,觀測期又逢特別乾旱年制約了土壤微生物的活動,再加上土壤中有機質損,養分不足造成的;土壤co _ 2含量的變化是隨溫度的升高而升高,在夏季達最高,冬季最低;在土壤co _ 2濃度變化的影響因子溫度和分中,溫度的影響作用高於分;土壤剖面co _ 2濃度隨著深度增加,總的變化趨勢是遞增的,但也有反復,甚至有的順剖面而下幾乎保持一恆,這與季節變化和黃土自身結構的通透性以及在觀測期內的乾旱氣候等條件有關。
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