持水容量 的英文怎麼說

中文拼音 [chíshuǐróngliáng]
持水容量 英文
water-holding capacity
  • : 動詞1 (拿著; 握著) hold; grasp 2 (持有; 保持) keep; hold 3 (支持; 保持) support; maintain 4...
  • : 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...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  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,各分特性在剖面各層的變異情況為:含>萎蔫含>田間>飽和含>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土壤重和2 } 40cm田間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

    飽和含的變異系數都隨深度的增加逐漸降低,含重和田悶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、毛管、田間a層、 b層、 c層逐漸減小,十壤總孔隙度也逐漸減小,土壤的能力隨深度的增加逐漸減弱;林外空地a層、 b層十壤重相差不人,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易發生逆行演替,形成高原沼澤地。
  5. In addition, a complete refining installation must include the following : all necessary non - processing facilities ; adequate tankage for storing crude oil, intermediate, and finished products ; a dependable source of electrical power, material - handling equipment ; workshops and supplies for maintaining a continuous 24 h / day, 7 day / week operation ; waste disposal and water - treating equipment ; and product - blending facilities

    此外,一套完整的煉油裝置須包括以下設備:所有必須的非工藝設施:足夠的儲罐用以儲存原油、中間產品和成品;可靠的電力和物質處理設備來源;用於維一天24小時,一周七天連續運轉所需的車間和物資:廢料和污處理設備;以及產品調合設施。
  6. Furthermore, on the basis of consultancies, inquiries and evaluations from multiple sources, the model for predicting soil and water loss in dandong - zhuanghe highway construction is developed. moreover, considering the characteristics of the highway, the covering area of the project is divided into three parts such as main body area, soil - fetching area and soil - spoiling area. for these three preventive areas, the perfect precaution measures for preventing and curing the soil and water loss during the road construction in which a number of vegetal cover measures are taken

    論文中詳細調查並介紹了項目情況及沿線自然、社會經濟狀況;收集研究了公路建設項目土流失預測的基本內和方法,在多方查詢、請教專家及分析研究的基礎上,提出了丹莊高速公路土流失預測模型,針對項目不同區域進行了土流失預測和分析,為土保措施的設計提供了定依據;論文根據高速公路項目的特點,將丹東至莊河高速公路項目區分成了主體工程、取土場、棄土場三個土流失防治區,並在初步設計文件的基礎上,針對三個土流失防治區進行了較為完善的土保防治措施設計;論文在丹東至莊河高速公路土保方案設計中大採用了植被防護措施,為了更有力地指導植被措施的施工,論文中還就植被保土的有效性進行了研究探討。
  7. 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,重以農地亞表層和草地較大,林地較小;飽和含和田間以林地較大,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。
  8. Based on an analysis of causes and basic characteristics of drought in north and south areas of china, it is pointed out that drought in north areas, such as the yellow river basin and the huaihe river basin, was characterized by the severe systematic demand - supply contradiction resulted from the shortage of water resources, and successive drought disasters intensified by hot and dry weather, and that drought in south areas was characterized by the occurrence or successive occurrence of dry years due to hot and dry weather and the seasonal water shortage induced by their geographic and climatic features and insufficient water supply capacity

    摘要以區域乾旱特徵分析以及乾旱災害應對策略研究為目的,闡述我國南、北方兩種不同地域類型的區域乾旱成因和基本特徵,指出黃淮海區域的乾旱特徵主要表現在天然資源短缺引發的系統性深度供需矛盾,以及晴熱少雨氣候加劇這種矛盾而產生的續乾旱災害;南方地區的乾旱特徵主要表現在晴熱少雨氣候導致枯年或連續枯年出現,以及地理氣候特徵和供工程不足等因素產生的年內季節性乾旱缺
  9. The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell

    對磺化膜的研究分析表明:膜的性能參數如離子交換、吸率、合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含,且接枝苯乙烯相互間的位阻效應對膜性能影響很大;膜的性能可與nafion膜相比較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散作用使膜保平衡。
  10. The character of the key accounts could be concluded as : to gain profit long term, have loyalty to the enterprise, play an important role strategically. on the basis of the analysis upwards, the goal of the kam of the hd copper company could be said that to gain the key account loyalty, to increase the rate that keep the key account in the company and to improve the benefit level. to achieve this goal, part 3 points out that the company should understand the change of the relationship, from the key account value factors ( price, quality, creation, reaction speed, etc ), create and improve the key account value

    承接第一部分,本文第二部分深入分析了hd銅業公司大客戶管理的理論依據,首先,從企業增長與大客戶導向經營理念的關系、大客戶瓶頸和大客戶流失的負面累加效應闡述了hd銅業公司從戰略高度思考大客戶管理的重大戰略意義;其次,深入分析了企業大客戶的特徵:長期贏利能力強、對企業忠誠、具有重大戰略意義,並探討了大客戶細分和選擇的方法,在此基礎上,進一步分析了hd銅業公司的大客戶管理是對大客戶關系這項資產的有效管理,進而提出了hd銅業公司大客戶管理的目標是驅動大客戶忠誠,改善大客戶保率並提高利潤平。
  11. The soil physical properties have obvious vertical distribution characteristic in the slope. the bulk density in sunlit slope is greater than it in sunless slope, and change in the follow order in the slope : top < middle < lower. while saturated soil moisture, field capacity, and wilting moisture are on the contrary

    在地形上,土壤物理性質具有明顯的垂直分佈規律,陰坡除土壤重外,飽和含、田間和萎蔫濕度均大於陽坡;同一坡度和坡向下,重從坡下向坡上遞增,飽和含、田間和萎蔫濕度均從坡下向坡上遞減。
  12. According to physiognomy, the bulk density changed as the following order : upland > hills > hillslopes > gully slopes, the saturated soil moisture arranged as : hillslopes > hills > gully slopes > upland, while field capacity and wilting moisture are as follows : gully slopes > hills > hillslopes > upland

    在地貌上,土壤重呈現出塬面梁頂溝坡梁坡,飽和含呈現出塬面溝坡梁頂梁坡,田間和萎蔫濕度均呈現出溝坡梁頂塬面梁坡的趨勢。
  13. The objectives of this study are : ( 1 ) collect the basis data about soil physical properties, soil moisture, infiltration and evapotranspiration in the catchment scale for developing a catchment hydrological model, based on the dtm, ( 2 ) provide the hydrological information in the catchment scale for developing agricultural production, vegetation rehabilitation, and reasonable land using in this region. the main conclusions drawn from this study are : ( 1 ) the soil physical properties, including bulk density, saturated soil moisture, field capacity, and wilting moisture, were measured at 56 plots across the catchment

    為此,本文以黃土高原溝壑區典型小流域?王東溝為研究對象,通過大的野外測定和室內分析,系統研究了流域土壤重、土壤飽和含、田間、萎蔫濕度、土壤入滲性能、土壤含和蒸散的空間變異性,以期為該區農業生產、植被恢復和土地合理利用等提供科學的依據,同時為建立基於數字高程模型( dtm )為基礎的流域文模型積累基礎資料。
  14. It was found that the soil physical properties had significant spatial variability in the catchment scale because of the joint - influences of land use, topography, physiognomy, and other factors. the spatial variation is small for field capacity, moderate for wilting moisture and bulk density, and great for saturated soil moisture

    受地形地貌和土地利用等因素的綜合影響,土壤物理性質在流域尺度內存在顯著的空間變異,飽和含的空間變異性最大,土壤萎蔫濕度和土壤重居中,田間空間變異最小。
  15. The field capacity and porosity increase gradually and bulk density decrease gradually. the significance linear regression between the field capacity and soil organic matter is discovered as well as porosity and bulk density

    此外,隨植被演替, 0 5cm土層田間和孔隙度逐漸增加, 0 5cm土層重逐漸降低,且均與有機質含呈顯著線性正相關。
  16. After yearly burning, soil moisture content, porosity, separate coefficient, capillary and field moisture capacity increased, however, soil saturated water retaining capacity and unit weight decreased

    連年火燒使土壤含率、孔隙度、分散系數、毛管和田間升高,而使土壤飽和重下降。
  17. This machine adopts a whole stainless steel packing, the temperature is a number to show automatically control, heat or reduce the heat to all have a signal beacon manifestation, the electric current electric voltage size switches on to all have a manifestation, automatically feeding powder can adjust soon, spread to move part is the bean that the my plant produce product machine appropriation decelerate machine, electrical engineering is the steel plate adjustable type, the machine bottom use of upscale run a round, easy to ambulation, cool off part is automatically circulating water device, the bottom establishes keep of big capacity water tank and heat part is heat preservation economy energy type, normal production can economy in electricity quantity of 30 %, in fact use electricity charges and burn coal basic hold even

    本機採用全不銹鋼包裝,溫度是數顯自動控溫,加溫或降溫均有信號燈顯示,電流電壓大小開機均有顯示,自動喂粉可以調速,傳動部分是本廠生產的豆製品機械專用減速機,電機架是鋼板可調型,機器底部用的高檔跑輪,便於移動,冷卻部分是自動循環裝置,底部設有大的儲箱,加溫部分是保溫節能型,正常生產可節約用電的30 % ,其實用電費和燒煤基本平。
  18. The runway capacity at hkia was increased from 45 to 47 movements per hour in march 2001 to accommodate increased demand in traffic whilst maintaining the highest level of safety and efficiency. 12

    二零零一年三月,香港國際機場跑道的亦有所增加,每小時在跑道升降的飛機由45架次增至47架次,既可應付增加的交通需求,又能維最高平的安全和效率要求。
  19. The physical and chemical properties of the soil were analyzed, including nutrient change and routine index of acidity and alkalinity, in addition, compared them with natural soil and studied their variation and correlation. the results as follows : the soil bulk density of harbin urban vegetation is higher, total porosity and field capacity are small

    對其土壤的理化性質和養分狀況等指標進行分析,並與松花江地區自然黑土進行了對比,研究其變化的趨勢和養分相關性。結果表明:哈爾濱城市綠地土壤重較大,孔隙度和田間少,有機質缺乏,養分含較低,相關性差,土壤ph值呈中性,肥力平低。
  20. The study should aim to identify the current environmental quality of land, water and air ; assess the absorptive capacity of land, water and air ; and produce an environmentally sustainable development plan

    分析香港現時的環境質素,包括土地、質、空氣等各方面;評估土地、質及空氣的可接納;及制訂一套既環保而且具可續發展概念的規劃方案。
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