水容重 的英文怎麼說

中文拼音 [shuǐróngzhòng]
水容重 英文
unit weight of water ww
  • 水 : 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...
  • 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...
  1. In conclusion, the variable degree of the soil water properties and bulk density in different layers is water content > wilting point > field capacity > saturation > bulk density

    總的來看，各水分特性在剖面各層的變異情況為:含水量>萎蔫含水量>田間持水量>飽和含水量>容重。
  2. Bulk density in 0 ~ 20cm, 20 - 40cm and field capacity in 20 ~ 40cm can be simulated with pure nugget effect model, and they are not spatially correlated in sampling scope. 4

    O ~加cm 、 20一40cm土壤容重和2 } 40cm田間持水量符合純塊金效應模型，說明在采樣范圍內它們的空間相關性不存在。
  3. The coefficient of variation of saturated water content decreased with the depth of profile. the coefficient of variation of bulk density and field capacity fluctuate with depth of soil

    飽和含水量的變異系數都隨深度的增加逐漸降低，含水量、容重和田悶持水量的變異系數隨深度的呈波動變化。
  4. At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed

    結果表明：冷杉原始森林土壤容重隨土層深度的增加而增大，分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ，飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小，十壤總孔隙度也逐漸減小，土壤的持水能力隨深度的增加逐漸減弱；林外空地a層、 b層十壤容重相差不人，分別為0 . 92和0 . 99g cm ~ 3 ，其它規律與林內人體相同：皆伐跡地的低洼地段容易發生逆行演替，形成高原沼澤地。
  5. 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。
  6. Because it well reserves the chemical stability of inorganic glass, it has the following features : low density, low thermal conductivity, vapor impermeability, no water absorption, incombustibility, protection from mould and rat eating, high mechanical strength but easy to cut and able to bear all kinds of chemical erosions except the hydrofluoric acid

    由於它完全保留了無機玻璃的化學穩定性，具有容重低導熱系數小不透濕不吸水不燃燒不霉變不受鼠嚙機械強度高卻又易加工，能耐除氟化氫以外所有的化學侵蝕。
  7. It has noncombustible, non - toxic, corrosion resistance, bulk density of small, low thermal conductivity, chemical stability strong, and low moisture absorption rate, hydrophobic good, and many other advantages, is recognized superior insulating properties, thermal insulation, sound - absorbing materials with a wide range of purposes

    它具有不燃、無毒、耐腐蝕、容重小、導熱系數低、化學穩定性強、吸濕率低、憎水性好等諸多優點，是目前公認性能優越的保溫、隔熱、吸音材料，具有十分廣泛的用途。
  8. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明： （ 1 ）從落葉松幼齡林到中齡林，隨著林冠的郁閉和林下植被蓋度的急劇下降，林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢，而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢；從中齡林到近熟林，由於撫育間伐，林分密度及郁閉度下降，林下植被蓋度逐步得到恢復，根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢；從近熟林到成熟林，隨著林齡的增大，根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢，而根際與非根際土壤全磷含量、土壤酸度（特別是交換性鋁）和容重呈增加趨勢。
  9. The infiltration rate in wetting front interface is speeder than that under single trickle source. the wetted soil volume shape becomes a strip which parallel lateral. the soil water content distribution under trickle source wetting front overlapping is more than that of single source

    在滴頭流量為5 . 3l h條件下，在相同的入滲時間內大容重土壤的水平入滲距離較低容重的土壤大27 ，而其豎直入滲距離則較小容重土壤小14 。
  10. In case of big discharge rate, the influence in horizontal is notable. however, in case of small discharge rate, the influence in vertical wetting front is notable, ( 3 ) in case of trickle source wetting front overlapping, the infiltration pattern is different from that of single trickle source infiltration

    在滴頭流量為2l h條件下，在相同的入滲時間內，大容重土壤的地表水平入滲距離較小容重土壤大7 ，而其垂向入滲距離則較小容重土壤小20 。
  11. Soil hydraulic characteristic parameters can be estimated accurately using the pedo - transfer functions ( ptfs ) depending on soil fundamental parameters which are easy to get such as grading of soil, organic content and bulk density. pedo - transfer functions ( ptfs ) have been developed by two methods in this paper with data measured at keerqin sandy land

    然而可以通過容易得到並能保證試驗精度的土壤基本物化特徵參數，如：顆粒級配、有機質含量和土壤容重等，利用土壤傳遞函數（ ptfs ）可以較準確地估算出土壤水力特性參數。
  12. Moreover, according to different land use types, bulk density shows the lowest value for the woodland while the highest value for the grassland and the subsoil of farmland, saturated soil moisture and field capacity exhibit the highest values for woodland while the lowest for the grassland and the subsoil of farmland, and the wilting moisture in woodland is also the highest and that in the farmland is the lowest

    不同土地利用類型土壤物理性質也存在顯著差異，容重以農地亞表層和草地較大，林地較小；飽和含水量和田間持水量以林地較大，農地亞表層和草地較小；萎蔫濕度則以林地較大，農地和果園地較小。
  13. Preliminary analysis of dry density of silted material in tgp reservoir in initial period

    三峽水庫淤積物初期干容重試驗初步分析
  14. Study on distribution and calculation method of reservoir sediment dry bulk density

    水庫淤積泥沙干容重分佈規律及其計算方法的研究
  15. The result indicated that straw mulching could increase soil porosity by 2. 88 % - 5. 76 %, reduce soil bulk density by 1. 86 % - 3. 73 % and the content of soil water with straw mulching was higher than that with no straw mulching treatment ( ck1 ) at different growth stage, improve water - stable aggregate ; and increase soil organic matter, available n, available p, available k, improve soil perviousness and soil retention of water and fertilizer

    研究結果表明，與對照ck1 ，相比，秸稈覆蓋可使土壤總孔隙度增加2 . 88 % ~ 5 . 76 % ，土壤容重降低1 . 86 % ~ 3 . 73 % ，並且各生育期覆蓋處理的土城含水量均比對照高，並且秸稈覆蓋還田對促進土壤團粒結構形成具有較大作用，改善了土坡通透性和保水保肥性；同時秸稈覆蓋還田使土壤有機質、全氮、速效氮、速效磷、速效鉀得到明顯提高，從而培肥地力。
  16. ( 6 ) in agroforestry and contour hedgerow treatments, soil structure and soil texture is improved with soil bulk density decreasing and soil porosity and capillary pore increasing. finally, water - holding capacity is improved. ( 7 ) soil loss in small plots of comprehensive management treatments is significantly lower than that in control

    … ）實施農林復合經營和生物籬埂技術可明顯的改善土壤結構，降低土壤容重，增加上壤總孔隙度和毛管孔隙度，從而提高土壤的保水持水性能。
  17. According to many years experience of dealing with client quality complains, the author introduced in brief its principle and content, and laid emphsis on the common quality complains of cement enterprise, such as concrete strength is lack, the concrete setting time is unnormal, the concrete slump constant is a little small and the loss is high, compatibility between cement and admixture is bad, cement color changes, concrete surface rise sand and cement agglomerate

    作者結合自己多年處理顧客質量投訴的經驗，簡單介紹了處理顧客質量投訴的調查原則和內容；重點對水泥廠最常見的質量投訴內容包括混凝土強度不足，凝結時間異常；混凝土坍落度偏小，經時損失大；水泥與外加劑相容性不好；水泥顏色變化、混凝土地面起砂及水泥結塊等等投訴，分別進行了現象描述，原因分析和調查方法介紹。
  18. Test methods of ceramic tiles - part 3 : determination of water absorption, apparent porosity, apparent relative density and bulk density

    吸水率顯氣孔率表觀相對密度和容重的測定
  19. Ceramic tiles - part 3 : determination of water absorption, apparent porosity, apparent relative density and bulk density iso 10545 - 3 : 1995, including technical corrigendum 1 : 1997 ; german version en iso 10545 - 3 : 1997

    瓷磚.第3部分:吸水率顯氣孔率表觀相對密度和容重
  20. 8 disaster factors of soil erosion have been defined : surface material, landform and slope gradient, cover - degree, topographic, 30min rainfall intensity, engineering measure grade of conservation of water - soil, irregular subsidence and volume weight

    確定了土壤水性的8個致災因子: 30而n暴雨強度、地表物質、地形坡度、植被搜蓋度、植被類型、工程水土保持措施等級、容重和非均勻沉降
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