水下侵蝕 的英文怎麼說
中文拼音 [shuǐxiàqīnshí]
水下侵蝕
英文
subaqueous corrosion-
So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction
巖溶空間介質具有地上地下雙層結構，可溶巖造壤能力低，巖溶水空間分佈不均、地表地下水關系密切、水源易漏失，偏堿性環境、生物資源集聚程度低，植被逆向演替快、順向演替難，巖溶地質與生態環境十分脆弱，受到人為因素的影響和破壞，極易產生石漠化、土壤侵蝕與退化等一系列問題。The rising temperature in the cave, the lamp - light ' s toasting and the convictive air made the humidity of the whole or part of the cave descend, which made the speleothem sightseeing dry, cracked and weathering. the acid air from the outer and the highly dense co2 would cause acid erode action to the speleothem sightseeing with water vapor. the existence of lamp - light offered a good chance for the lightloving plant to grow up, thus a lot of bryophyte covered the speleothem sightseeing
洞穴升溫、燈光的烘烤及空氣的對流致使洞穴濕度或局部濕度降低，使景觀產生乾裂、風化；氣流帶入的洞外酸性氣體及高濃度co _ 2在高濕的條件下，結合水汽對洞穴景觀產生酸侵蝕作用；燈光的存在為燈光植物生長提供了條件，使大量的苔蘚類植物生長于鐘乳類景觀的表面；洞外大氣粉塵的進入，給洞穴帶來了非常嚴重的破壞，粉塵在洞內高濕的環境下大量沉降，附著于鐘乳類景觀的表面，致使受污染面發黑，毫無光澤。Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions
同時，土壤是農業生產的根本，治理水土流失的關鍵是要保住土壤，而土壤養分絕大部分是隨著泥沙流失的，嚴重的水土流失造成土層淺簿、養分貧瘠，土地質量退化，產量下降，對三峽庫區移民工作和農業可持續發展造成嚴重威脅，制約三峽庫區經濟發展。因此進行三峽庫區坡耕地土壤侵蝕機理研究，探索減輕坡耕地土壤流失的方法措施，具有全局性的重大意義。The results are summarized below : 1 ) study on soil science indicates that soil granular structure is the focus adjuster for soil fertility and it affects the space, water - grasp, aeration and anti - erosion of soil. and the percentage of aggregate is one of the key index that decides the speed and extent of soil erosion, hardening and degeneration because the soil degeneration will first lead to the disappearance of crumb - structure. so it is very important that the physical course and character of soil in different land use pattern are realized
現將主要結果摘要如下： l 、士壤學研究表明，團粒結構是土壤肥力的中心調節器，影響著土壤的空隙性、持水性、通透性和抗蝕性；任何土壤的退化首先將表現出團粒結構的消失；團聚體百分比是決定土壤侵蝕、板結等物理過程速度和幅度的關鍵指標之一，了解不同土地利用和土壤管理方式的物理過程和性質相當重要。Based on the characters of water erosion and rock clasts, the zhangxia loess is possibly a product of aeolian - talus - pluvial process
張夏黃土下部呈現明顯的水流侵蝕痕跡，中間夾有圍巖碎屑，應屬于風成、坡積、洪積成因的黃土狀土。Big drops were dripping from a broken waterspout, and a ray of gaslight slipped from mme bron s window and cast a yellow glare over a patch of moss - clad pavement, over the base of a wall which had been rotted by water from a sink, over a whole cornerful of nameless filth amid which old pails and broken crocks lay in fine confusion round a spindling tree growing mildewed in its pot
大滴大滴的水珠從水管的裂縫中滴下來。一道煤氣燈的燈光從布太太的窗子里射進來，把一段長了苔蘚的路面一段被廚房的排水溝的污水侵蝕了的墻根及整個堆滿了垃圾的角落映成了黃色，垃圾中有舊水桶和破壇碎罐，一口破鍋內竟然長出了一棵瘦小的衛矛。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線、溝沿線上下溝間地和溝谷地土壤侵蝕特徵、小流域泥沙來源、坡溝侵蝕產沙關系的基礎上，結合廊道的生態功能和以往的研究結果，認為在溝沿線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水來沙，可使流域的土壤侵蝕量減少54 . 5 % ~ 77 . 0 % 。The effect of lateral boundary condition, the river regime and the bed material on lateral erosion are analyzed
結果表明：水庫下游均會有河岸侵蝕發生，但初期一般以下切為主，後期以展寬為主。Since 1976 it has been made great achievements which has conducted water more than 100 billion m3 and has been an important project of heilongjiang province. but recently the channel has been seriously freezing - melting eroded and sand of cliff edge has been deposited along the channel, which resulted to highten the channel bottom, increase width of the channel and reduce horse road. what all above have affected to apply safely channel so it is necessary to repair comprehensive
自1976年建成以來，已累計引水100多億立方米，取得了巨大的經濟效益，成為黑龍江省西部關繫到國計民生的重點工程，但近年來渠道破壞嚴重，凍融侵蝕強烈，邊壁剝蝕下來的泥沙經渠道內水流搬運沿程發生淤積，導致渠底抬高，渠寬增加，馬道縮小，已經嚴重影響到渠道的安全運用，必須進行綜合治理。Erosion action of erosion media on concrete is easily occurred in hydraulic structure diversion works and immersed underground structure
侵蝕介質對砼的侵蝕作用，易發生在水工建築、引水工程以及浸沒在地下水位以下的各種砼的地下構築物中。Manufacturing specifications type of squid hook. by quality and reasonable price, using quality material 304 stainless steel wire in the sea erosion are not rusting, product 2 / 3 exports abroad, timely availability
生產製造各種規格型號的魷魚鉤。質量兼優，價格合理，材料採用優質304不銹鋼絲，在海水的侵蝕下不生銹，產品2 / 3出口國外，供貨及時Raw optical glass. resistance to attack by aqueous alkaline solutions at 50 degrees celsius. test method and classification
未加工的光學玻璃. 50下含水堿性溶液的侵蝕抗性.試驗方法和分類Raw optical glass. resistance to attack by aqueous alkaline phosphate - containing detergent solutions at 50 degrees celsius. testing and classification
未加工的光學玻璃. 50下含洗滌劑溶液的含水堿性磷酸鹽的侵蝕抗性.試驗和分類The root of mangrove can prevent coast from erosion. the abundant ground water layer also can prevent seawater from incursion and salty
紅樹林的根有防止海岸侵蝕及流失的功能，其豐富的地下含水層還可避免海水入侵，防止地下水鹽化。The six sea walls constructed in xiamen seacoast from 1953 to 1979 not only changed original nature environment, but also produced many application quaternary problems : tide - absorbing capacity reducing, and the bay silt up increasing ; the coast erode going into worse, and part of coasts collapsing and falling back ; intertidal zone mangrove disappearing, and ecosystem environment being destroyed ; sand beach in seashore running off severely, quantity of sea water falling, and marine products being reduced sharply
摘要1953 - 1979年廈門沿海修築的6條海堤不僅改變了原有的良好自然環境，而且產生了諸多應用第四紀問題：納潮量減少，港灣淤積加重；海岸侵蝕作用加劇，部分海岸崩塌後退；潮間帶紅樹林消失，生態環境遭到破壞；海濱沙灘流失嚴重，海水質量下降，水產養殖銳減。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?應變曲線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射線衍射實驗，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凝膠和未水化水泥顆粒組成；在抗溶液侵蝕的實驗中，摻礦渣rpc的抗溶液侵蝕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的結構產生侵蝕作用，但是機理各有不同。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侵蝕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，干土含水量為9 . 5 10 . 0 ，濕土含水量為19 . 0 20 . 0的條件下，侵蝕量與雨強成非線性正比關系；雨強大，侵蝕量大；降雨歷時長，侵蝕量也大；堤坡含水量大時，侵蝕量小，堤坡含水量小時侵蝕量大。The snow had melted under the rain, and only the hilltops showed white
雪在雨水的侵蝕下漸漸融化了，只有山頭還是泛白的。Considering the magnetic measurement and seafloor operation, the sealed pressure case should be nonmagnetic and transportable
為抵禦海水的侵蝕和抗衡海下的環境壓力，需要研發裝載磁場傳感器的密封艙。Underground erosion is the removal of solids, from the soil by the flow of underground water.
地下侵蝕是指固體顆粒被地下水流從土壤中帶走的現象。分享友人