natural water content 中文意思是什麼

natural water content 解釋
天然含水量
  • natural : adj 1 自然界的;關于自然界的。2 天然的;未開墾的;野生的。3 固有的 生來的 天賦的(opp acquired)...
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • content : n 1 容積,容量,含量,【數學】容度;收容量。2 【哲學】內容 (opp form);要旨,真意。3 〈pl 〉內...
  1. Deferrizers and demaganizers are series of products designed by our company for underground water with comparatively high iron and managanese content according to aerating oxidation priciple. in these prducts, packed natural manganese sand in filter is applied as filtering materials, and oxygen in air is applied as oxidants, to make ferrous iron in water oxidized into ferric iron, in a same time, oxidation reaction makes its produced its produced substances left in filtering materials for purposes of deferrization and deman - ganization

    除鐵錳裝置是我公司針對鐵、錳較高的地下水,按曝氣氧化法的原理而設計的系列產品,它是利用過濾器內裝填城然錳砂為濾料,利用空氣中的氧化劑,使水中的二價鐵,同時發生氧化反應使其物進截留在濾料中,從而達到除,除錳的目的。
  2. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重,減少土壤砂粒含量,增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比,以及增加粉粒含量,從而降低土壤分散度,提高土壤團聚性,增加土壤團粒結構數量,改善土壤的透水性,促進良好土壤結構的形成,最終提高土壤的蓄水保肥性能,增強土壤的抗蝕性和抗沖性。
  3. Based on the principle of significant effect of soil fertility factors on forest growth, soil physical factors ( natural water content, bulk density, total porosity, capillary porosity, aggregate degree, coarse silt and physical clay ), chemical factors ( om. total n, alkali - hytrolyzable n, total p, humus and ha / fa ) and biological factors ( urease, acidphosphotase, invertase and microbes ) were selected as evaluation index system of soil fertility. applying principal component analysis, soil ifi of subalpine coniferous forest was calculated

    從土壤物理、化學、生物學三方面出發,建立了川西亞高山針葉林不同演替階段土壤肥力評價指標體系,應用主成分分析,計算出不同演替階段土壤肥力綜合指標值( ifi ) ,各演替階段大小順序為: 10年生雲杉林地跡地原始林地次生樺木林地30年生雲杉林地20年生雲杉林地50年生雲杉林地60年生雲杉林地40年生雲杉林地。
  4. This paper systematkally researched the characteristics of growth and physiology of sophora viciifolia hance ( a kind of natural shrub ) and its effects on the content of soil water, soil nutrieftt and soil physical property. the paper applied some methods and theory of plant ecology, plant physiology, physics of soil and soil chemistry etc. three different age s. viciifolia hance in the different plot were selected, caraganar land and fallow land as a comparison

    本文以陜北黃土區安塞紙坊溝流域內在植被演替中佔有重要地位的天然灌木種( 6 、 14 、 17齡)狼牙刺( sopharaviciifoliahance )為對象,以15齡檸條( caraganar )和撂荒地為對照,系統研究了狼牙刺的生長特徵、生理特性,及其生長對土壤水分、土壤養分、土壤物理性狀的影響。
  5. The main content is : splitting tensile experiments were carried out about the standardized cube bonding specimens ( 150x 150x 150mm3 ) of the new - old concrete after high temperature. the temperature is divided into 9 groups from normal atmospheric temperature to 900, the cooling styles are natural cooling and spraying water cooling ; different interfacial treating methods : brushed with steel - wire brush, man - made chiseling ( not evenly ), man - made chiseling ( quite evenly ) ; different interfacial agents : no interfacial agent, neat cement paste, cement paste mixed with 10 % expanding agent

    主要內容有:本文對75個高溫作用后的標準立方體新老混凝土粘結試件進行了劈拉試驗,溫度從常溫到900c分9個溫度段,降溫方式分自然冷卻和噴水冷卻兩種。著重考察了溫度、降溫方式、界面粗糙度及界面劑對新老混凝土粘結劈拉強度的影響規律,闡述了高溫后粘結強度下降的機理。
  6. Furthermore, the study indicated that the genetic diversity of the natural population of reawnuria soongorica increased with the decreasing of the content of organic matter, water, total n and total p in soil, which had some relation with more potentiality of the genetic and variation of reawnuria soongorica in its long - term evolution to adapt worse environment

    經分析表明,無葉假木賊種群與角果藜種群的shannon多樣性指數分別為0 . 1403和0 . 1615 ,基因分化系數( g _ ( st ) )為0 . 1469和0 . 1659 ,揭示了兩物種種群遺傳變異多存在於亞種群內,亞種群間的遺傳分化則不明顯。
  7. Natural gas - determination of water content at high pressure

    天然氣.高壓力下水含量的測定
  8. 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,葉片相對含水量較低,水分飽和虧缺值較大,束縛水含量較高,抗脫水能力最強。
  9. Soil saturated capacity, capillary capacity, total porosity and capillary porosity showed the trend of the " u " during the successional course of artificial forest, namely, they reduced on the early successional stages, after picea reached mature forest, soil porosity recovered slowly. the content of natural water was mainly affected by capillary porosity. from soil chemical properties analysis, the content of soil organic, humus, ha, fa and ha / fa of topsoil was more than that of bottom layer

    即人工雲杉幼林向成熟林演替階段,土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙則減少,在40年生雲杉林達最低值,之後隨著雲杉自疏,微生態改善,林地凋落物分解加快,土壤飽和持水量、毛管持水量及總孔隙和毛管孔有上升的趨勢,毛管持水量是決定林地自然含水量的主要因子。
  10. With using once artificial freezing method and natural freezing method test the compressive strength of low - temperature concrete at different age and by testing the loss percentage of water ( content of evaporative water ) of saturated specimen test the pore porosity of low - temperature concrete at different age

    方法採用恆低溫一次凍結法和自然變低溫多次凍結法,測定混凝土在不同齡期的強度值,利用可蒸發水含量法測定對應齡期的孔隙率。
  11. What we go out to care most all right is weather forecast, in recent years, weather forecast added the content of a lot of concerned environment states, for instance : intensity of water quality of forecast of forecast of sanded dust storm, empty temperamental quantity, natural disaster, seaside, ultraviolet ray, etc

    我們出行最關心的是天氣預告,近年來,天氣預告增加了許多有關環境狀況的內容,比如:沙塵暴預告、空氣質量預告、自然災難、海濱水質、紫外線強度,等等。
  12. There are two purposes in numerical harbor : one is to reduce the investment of harbor, it includes planning breakwater and selecting water way more reasonably, the other is to increase the benefit of harbor, the main content of which is to reduce maintenance cost and to take operation decision according to the natural conditions

    建立數值化港區的目的有兩個:一、降低港口的建設投資,更為合理地進行堤防布置和航道選取;二、提高港口效益,其中的主要內容是降低港口的維護費用,並智能化地根據當前自然條件進行港口營運決策。
  13. In natural light intensity condition, the content of aba is the highest, but the contents of ga, iaa, zrs reduce, which is adaptive to the state of its higher transpiration rate, lower content of relative water and bigger water saturation deficit. one - layer shading enhances the contents of iaa, ga and zrs, which is consistent to its growth condition

    自然光照條件下生長的曼地亞紅旱杉aba含量最高, iaa 、 zrs 、 ga含量較低,這與其蒸騰速率較大,植株含水量較低,水分飽和虧缺較大相適應;一層遮蔭提高了iaa 、 ga 、 zrs含量,這與其生長狀況相一致。
  14. 2 the comparisons between soil water deficiency in natural and artificial forest land show that : ( 1 ) the concept of " forestland steady moisture capacity " is presented and defined as the lowest soil water content that can not affect the forest regular growth primarily and cause inverse succession in community

    2天然林地和人工林地土壤水分虧缺狀況對比: ( 1 )提出了「林地土壤穩定持水量」的概念,初步定義為「不會影響到林分正常生長、發育,不會導致群落產生逆向演替所需的最低土壤含水量」 。
  15. The unsaturated soil water movement formula is adopted for calculated the transient water content within the slope. with equilibrium method the stability of soil - nail bracing structure of unsaturated soil slope is analyzed considering the connection between the shear strength of unsaturated soil and water content. genetic algorithm is introduced for searching the minimum factor of safety of natural slope and soil - nail bracing in unsaturated soil

    運用非飽和土水分子運動方程,求解降雨入滲條件下邊坡土體的瞬態體積含水量,又考慮到其與非飽和土抗剪強度的關系,利用極限平衡理論推導了非飽和土邊坡土釘支護整體穩定性最小安全系數f _ ( s , min )公式。
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