水線侵蝕 的英文怎麼說

中文拼音 [shuǐxiànqīnshí]
水線侵蝕 英文
waterline attack
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ動詞(侵入) invade; intrude into; infringe upon Ⅱ形容詞(接近) approaching Ⅲ名詞(姓氏) a surname
  • : Ⅰ動詞1. (損失; 虧耗) lose 2. (腐蝕) erode; corrode Ⅱ名詞(天體現象) eclipse
  • 水線 : waterline; shoreline水線標志牌 subaqueous cable marker; 水線面 water plane; 水線漆 topping paint;...
  1. Through the analyses of characteristics of gully thalweg and soil erosion in upland and gully land, sediment sources in small watershed, sediment yield relationship between upland and gully and ecological functions of vegetation corridor, it is considered that vegetation corridor combined with land preparation measures may block runoff and sediment from upland and reduce the amount of soil erosion in a watershed by 54. 5 % ~ 77. 0 %

    摘要在分析黃土高原地區的溝沿、溝沿上下溝間地和溝谷地土壤特徵、小流域泥沙來源、坡溝產沙關系的基礎上,結合廊道的生態功能和以往的研究結果,認為在溝沿的上部建立草灌與整地工程措施相結合的植物廊道,來攔蓄阻截溝間地的來來沙,可使流域的土壤量減少54 . 5 % ~ 77 . 0 % 。
  2. According to whether there are later tectonic activities or not it can be divided into mountain planation surface, lower planation surface and buried planation surface. according to active condition, it can be divided into active surface, dormant surface, exotic surface and defunct surface. taking the base level into consideration, it can be divided into sea - eroded and deposited planation surface, denudated planation surface, snowline planation surface and upper eroded planation surface

    依據夷平面形成后是否遭到後期構造變動將夷平面分為山地夷平面、原地夷平面和埋藏夷平面;依據夷平面的活動狀態可分為活動面、休眠面、外來面和廢止面;依據基準面可分為海-堆積夷平面、剝夷平面、雪夷平面和上部剝夷平面;依據基底可分為穩定地帶上的夷平面和活動地帶上的夷平面;依據氣候帶可分為準平原、山麓面和聯合山麓面、雙層平面和刻平原、凍融山足面和凍融剝夷平原。
  3. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減劑+引氣+阻銹組分功能復合的技術路,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  4. The soil erosion has become more and more intensive horizontally from the ridge to the center of the shallow gully. the soil erosion intensifies, and then weakens vertically from the divide to the edge of the gully

    平方向上,由淺溝分脊經淺溝溝坡到淺溝中心, 7be和』 37cs復合示蹤坡耕地土壤產沙的空間分佈特徵土壤強度逐漸增強;在垂直方向上,從分嶺到溝緣土壤強度呈先加強后減弱的趨勢。
  5. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變曲可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未泥顆粒組成;在抗溶液的實驗中,摻礦渣rpc的抗溶液性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生作用,但是機理各有不同。
  6. Based on the analysis of the data and information from the field observations and lab experiments, the results were as follows : ( 1 ) the results of the simulated rainfall and runoff erosion experiments in lab. under the design experiment conditions including the constant rainfall intensities of 1. 0, 2. 0, 3. 0mm / min and the rainfall durations of 30, 70 minutes and with soil moisture content 9. 5 % or 10. 0 % for dry situation, as well as with the soil moisture content 19. 0 % or 20. 0 % for wet situation, the soil erosion increased nonlinearly with the rainfall intensity, and the rainfall duration. the results of the experiments indicated that the amount of soil erosion caused by the simulated rainfall and runoff on the dry - soil slope was more than that on the wet - soil slope

    通過實地觀測及室內試驗資料分析,得到如下研究成果: 1 、室內模擬降雨徑流對戧坡的試驗研究結果在定雨強為1 . 0 、 2 . 0 、 3 . 0mm min ,降雨歷時30 、 70分鐘,干土含量為9 . 5 10 . 0 ,濕土含量為19 . 0 20 . 0的條件下,量與雨強成非性正比關系;雨強大,量大;降雨歷時長,量也大;堤坡含量大時,量小,堤坡含量小時量大。
  7. The geological factors are important besides them, which are related to the loess landslide and evolution of gullies, specially for bedrock folds, bedrock joints and loess joints. in field, the data of the bedrock elevation in the three sheets combined with the research from south to north lively were got by gps12xlc pocket locator, the type and its evolution of bedrock, loess landslides and distribution of hydrographical net were explored too. at office, the synthetic analysis and contrast were used including the simulating analysis about the data by mapinfo 6. 5, software of gis, discussion and communication with experts, in order to demonstrate and reveal the rules between the loess landforms and its pale bedrock landforms and the impact of structure on erosion interiorly in shaan bei

    在野外,以代表調查區和路調查相結合的方法,利用gps12xc型手提式定位儀採集基底高程數據,實地觀察基底地層產態變化規律和特徵,觀察黃土地貌、黃土崩塌、系展布及土壤等與地質構造之間的關系;在室內主要進行綜合分析與對比,利用gis系統的mapinfo6 . 5軟體對採集數據模擬分析,並將認識成果與其他專家學者進行交流和探討,從而論證和揭示陜北黃土地貌南北縱向分異與基底古樣式關系特徵及土流失與構造因素之間的內在規律。
  8. Sixthly, the monte - carlo method is used for calculating the failure probability of durable failure under different service time, and drawing a plot of relationship between failure probability and service time. according to the plot, the service life based a acceptable failure probability can be found easily

    第六,用monte - carlo方法對不同使用年限耐久性失效概率進行計算,得到使用年限和失效概率的關系曲,並由關系曲得出氯離子環境下鋼筋混凝土構件在指定可接受失效概率平下的耐久壽命。
  9. ( 2 ) correlation analysis of the water and sand sedimentation and the coastline evolution. on the basis of the monitoring data, the relations was analysed by the combination of remote sensing data and coastline data with the ii hydrological data, and then gave out a forecasting of future development of coastline in the river mouth area

    首先對黃河口來來沙特徵進行分析,然後以動態監測數據為依據,與文統計資料相結合探討了黃河口來來沙與海岸淤積、的關系,最後對未來黃河來來沙條件與海岸的演變進行了簡要分析。
  10. The soil erosion intensifies, and then weakens vertically from the divide to the edge of the gully, apart from the central section of the land because there is a ridge

    坡面中部相當嚴重,分嶺與溝緣附近相對較輕。地形因子中的坡度是形成坡耕地土壤垂直分異格局的主要影響因素。
  11. This product adopts the updated chemical waterproof technology and excellent imported materials ; the super polishing wax and special resin with special formula can form a specially hard protective film on car body to prevent scratch, aging, uv and acid rain, with water repellent, good polishing and durable efficiency

    本品採用最新先進化工防技術及進口優質材料,內含高級上光蠟及特別配方特種樹脂,能在車體上形成堅固的特殊保護膜,防止漆面劃傷及老化,防紫外及酸雨的,不沾,上光好,長效持久。
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