水蝕作用 的英文怎麼說
中文拼音 [shuǐshízuòyòng]
水蝕作用
英文
fluvial denudation-
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。Salt water corroded the light alloy frames and the fabric wing-covering.
鹽水對輕合金飛機構架和布質機翼蒙皮有腐蝕作用。The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage
系統的儲層特徵研究表明,該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖;儲層巖石經歷了壓實,膠結,溶蝕等成巖作用,歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期( b亞期)膠結充填孔隙縮小期三個成巖-孔隙演化階段;儲層物性總體上具有較低孔滲、低孔滲的特點,孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔,裂縫不發育,儲集巖排驅壓力和中值壓力較高,孔隙結構類型以細小孔-微孔隙,微細喉-微喉型為主。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。The acidic liquid related to decomposition of organic mater during hydrocarbon enrichment in the late diagenesis, and m eteoric - waters during epidiagenesis, had resulted in dissolution of detrital feldspars and carbonate cements, which contributed a better retention of reservoir quality for the sandstones
溶蝕作用是砂巖物性改善的主要原因,尤其是晚期成巖階段,在富含有機酸和無機酸酸性孔隙流體的作用下形成一定量的次生溶蝕孔,使儲層砂巖物性得到一定改善;在表生成巖階段,由於大氣降水的介入,儲層物性再次得以改善。Fnj 3 concrete rapid hardening agent this is non - chloride rapid hardening agent, no corrosion to the reinforcing steel bar
含有催化劑和載體復合無機水基溶液,是一種無毒無腐蝕作用的新型防水劑。Prescription of soil anti - erosion capability under water erosion
水蝕作用下土壤抗蝕能力的表徵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。When the environment condition of water changed or the chemical homeostasis was disturbed, corrosion and solution occured, and the travertine landscapes was rebuilt by conveying, scouring, and collapsing
當水環境條件改變或水化學動態平衡失調時,重溶蝕作用發生,搬運?沖刷?坍塌?重組形成新的鈣華堆積景觀。However, when the samples have different effective contact areas, the degrees of dissolution may depend on the swing of the pendulum between the dissolution velocity and their effective contact area
但當樣品在水巖反應過程中有不同的比表面積時,溶蝕作用的強弱或快慢就取決于巖石溶蝕速率與水巖反應有效接觸面積的消長關系。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。At first, the relations between vegetation structures and their controlling soil erosion are discussed. the results show that magnitude of plant community coverage or canopy closure is n ' t certainly the adequate condition of an anti - erosive effective community because the community function of soil and water conservation is related to height of coverage layer as well as community coverage or canopy closure
首先,討論了植被結構與其防止土壤侵蝕作用的關系,結果表明,植被蓋度或郁閉度的大小並不一定就是防蝕有效植被的充分條件,植被保持水土功能還與覆蓋層的高度密切相關,覆蓋層高度大並不有利於植被保持水土。Calcium phosphates ( cp ) have been studied extensively for cell cultures and have been found to possess good osteoconductive properties. cp can be dissolved in vivo and be absorbed or displaced by tissue. the degradation rate of cp varies in different crystalline phases, which enables to adjust the degradation rate of biomaterials
鈣磷酸鹽如磷酸三鈣具有骨誘導性,在體內有較大的溶解度,易發生水化作用,並通過體液的侵蝕和細胞的吞噬作用被機體部分或完全吸收而被取代,不同晶型的鈣磷酸鹽在體內的降解速率不同,可調整材料的降解速率。Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study
本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象,通過坡形實地測量、坡面密集采樣的顆粒分析和養分含量分析以及人工模擬降雨實驗,研究了土壤侵蝕對土壤碳和養分的影響途徑和表現,侵蝕作用影響下土壤碳和養分在微地形空間的分佈規律;同時,在地理信息系統的支持下,建立了侵蝕條件下的土壤碳和養分變化模型,模擬了侵蝕對土壤碳和養分影響的空間過程,預測了侵蝕影響下土壤碳和養分的年變化及多年變化,並通過研究建立的模型對不同侵蝕控制措施進行了初步的效益評價。Using emended gauss diffusion mode, taking wind erosion modulus as the ground oil pollutant sources, dust and oil pollutant quantity in air and polluting load in water were calculated, a relative model was founded
本文以土壤侵蝕的風洞實驗求得污染源源強,採用高斯模式對地表風蝕作用的傳輸量進行估算,進而對石油開發區落油通過大氣傳輸途徑對區域水環境(博斯騰湖)的影響進行了預測,建立了相應的模型。Artificially softened water is exceedingly corrosive because the process substitutes sodium ions for magnesium and calcium ions
由於人工軟化水採用鈉離子取代鎂離子和鈣離子,因此具有極強的腐蝕作用。( 2 ) the results of the rainfall - affected runoff scouring experiments in lab. when the rainfall intensity was less than l. omm / min, the soil erosion caused by the combination of rainfall and the upslope runoff was more than that caused by only the simulated rainfall. when the rainfall intensity was more than 2. 0mm / min, the upslope runoff strengthened the effect of the runoff yielded in the local area on the dyke slope surface, and the effect increased with an increase of rainfall intensity
2 、室內模擬降雨+放水沖刷試驗結果雨強小(如i 1 . 0mm min )時,上游注入水量對戧坡侵蝕作用比降雨在戧坡上所產生徑流的侵蝕大;雨強大時( i 2 . 0mm min ) ,上游水量下泄與當地降雨徑流一起增強對戧坡面的侵蝕作用,雨強越大,侵蝕作用也越大。So far, most studies on water chemistry in china had focused on water quality and dissolved flux, scarce literatures could be used to understand the sources of solute load and co _ ( 2 ) consumption budget in china. however, many scholars had attempted to fill in the gap in our knowledge of atmospheric co _ ( 2 ) wastage by rock weathering and tried to link water chemistry with weathering reactions in the major world watersheds
總體而言,中國主要流域盆地大部分以碳酸鹽類的風化溶解為主,其對河水溶解質的平均貢獻率介於30 - 60之間,而硅酸鹽類和蒸發鹽類風化通常較微弱,對河水溶解質中國土要流域盆地的風化剝蝕作用與人氣co :的消耗及其影響因子研究的貢獻率分別為。That will provide basis for knowing oil pollutant effect on water quantity by wind erosion and scientific pattern for preventing fully the oil pollutant in lake of arid region
為人們?解乾旱區石油污染物風蝕作用水環境污染影響提供了初步依據,對乾旱區湖泊石油污染的全面防治提供了科學範式。Near the faulty step - break, low stand system developed, and some sediment system distribute broad, such as alluvial fan, low stand wedge, low stand fan, and so on. the sand body can form not only the trap of dying out upward and sand lens, but also fault - iithology trap. the study shows that fault - lithology trap is most important trap style in study area especially sha - 3 formation
斷階坡折附近是低水位體系域發育的重要場所,常發育沖積扇、沖蝕作用的下切河道以及低水位楔狀體、低水位扇體等沉積體系,這些砂體不僅具有形成上傾尖滅或砂巖透鏡體圈閉的條件,而且可形成斷層?巖性圈閉。分享友人