滲蝕度 的英文怎麼說

中文拼音 [shènshí]
滲蝕度 英文
permeability
  • : 動詞(液體慢慢地透過或漏出) ooze; seep
  • : Ⅰ動詞1. (損失; 虧耗) lose 2. (腐蝕) erode; corrode Ⅱ名詞(天體現象) eclipse
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、透深、孔隙、毛細吸水和透系數、持水量、抗壓強、抗鉆強、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐后抗壓強的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  2. The thickening may be synthetically aroused by many factors, because of the lower maturation of source rock at forepart, the rock tar is thicker, and then many other factors impel it, which include the hydrocarbon dissipation at the process of oil and gas migration, biodegradation and bathing oxidation induced by gravity induced centripetal flow recharged by meteoric water at the basin uplift period and etc

    稠油成藏則由多因素綜合作用造成,由於早期源巖成熟較低,原油本身較稠,而油氣運移過程中輕質組分散失、生物降解和盆地抬升剝階段大氣水下所導致的水洗氧化等作用則使其進一步稠化。
  3. The gullies are formed by the processes of infiltration - interflow - collapses. ( 2 ) in the slope with sand - loess, the major factors of water erosion are the rainfall intensity and rainfall amount of annual first rainfall. ( 3 ) in the region, the evolution processes of slope gully system results from alternative actions of sand deposition and water erosion

    ( 1 )有片沙覆蓋的斜坡小區,徑流量少,但徑流含沙率大,坡溝的形成過程是:垂直流坡地潛流崩塌; ( 2 )在沙黃土斜坡小區,每年春末夏初降雨的強及降雨量是決定坡面產沙量的關鍵因素; ( 3 )該區坡溝系統的形成發育是風沙沉積、風與水交替作用的結果。
  4. 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透性能,漿體的密實很高;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;在抗溶液侵的實驗中,摻礦渣rpc的抗溶液侵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的結構產生侵作用,但是機理各有不同。
  5. The research showed that pam could improve soil structure, and greatly increase the stabilization of soil aggregates, so soil crust development would be decreased. fifthly, soil grain that controls rainfall splash erosion was obtained, the influence of soil clay was very great during initial stages of rainfall. with rainfall going on, soil coarse sand and fine sand would control the splash erosion

    五、控制土壤濺的主要土壤粒級:在降雨初期土壤的的粘粒對濺速率的影響較大,隨著降雨歷時的延長,土壤中的細砂和粗砂成為濺速率影響較大的因子;六、對土壤濺影響較大的土壤結構特徵因子:降雨5分鐘時,土壤的透系數對濺速率的影響較大,隨著降雨的繼續進行,土壤的團聚一直對土壤濺速率影響較大。
  6. The liquid - gas method is improved based on the above methods, overcoming the defects of gbj82 - 85. using the liquid - gas method, permeability condition of concrete can be tested and indicated quickly, efficiently, and the influences on concrete of alkali - aggregate reaction, sulfate attack, carbonization, steel rust, freeze and thaw can be inflected indirectly. it is significant on the research and monitor on the durability of concrete

    溶液氣壓法是在上述方法之上進行改進提高的,克服了國標gbj82 - 85方法中的許多不足之處,能夠多角、快速、高效、真實、準確地再現現場混凝土的透情況,並且能間接反映堿-骨料反應、鋼筋銹、碳化、硫酸鹽侵及凍融破壞的影響,對混凝土耐久性的監測與研究具有重要意義。
  7. An acellular dermal matrix was prepared from allogenic skin by removing epidermis with a hyperosmotic salt solution and cross - linking with glutaralaldehyde, then clear away acellular components in dermis with naoh - maceration. the light and sme observation of the acellular dermal matrix revealed that the epidermis and cellular component in dermis were eliminated

    本研究共分四部分:第一部分無細胞真皮基質的制備用高鹽除去異體皮膚的表皮細胞,經戊二醛交聯后以低濃naoh消以除去真皮中的所有細胞成分,得到無細胞真皮基質。
  8. Observation of drilling cores and casting - sections and the characters of pore structures and permeability of the matrix of the lower - ordovician carbonate in comparing with the lower limit of a reservoir for matrix reveal that the porosity, permeability, maximum pore diameter, saturation and median throat diameter in the matrix with undeveloped fissures, holes and solution pores are far lower than those of a reservoir limit although some micro - pores are developed in the matrix which therefore has no capacity of storing and producing oil - gas

    摘要通過鉆井巖心和鑄體薄片觀察,根據下奧陶統灰巖基質的孔特徵和孔隙結構特徵,並與基質作為儲層的下限對照裂隙、洞穴和溶孔洞不發育的灰巖基質,發現盡管有微孔隙的發育,但其孔隙透率、最大孔喉半徑、飽和、中值喉道半徑等參數值遠低於儲層下限值,基本不具備儲集和生產油氣的意義。
  9. In port engineering, cracks in wharf surface will not only influence the visual quality of project, but also weaken the durability of structures when sea water penetrates into deep cracks and corrodes the internal reinforcement

    摘要在港口工程中,碼頭面層產生裂縫,影響工程的觀感質量,海水入深大的裂縫腐內部鋼筋,影響結構的耐久性。
  10. And takes the method of passing electricity in wet environment to carry on the reinforcement corrosion acceleration to the reinforced concrete, and uses the linear polarization method to carry on the test to the polarized resistance and corrosion current density of the steel bar flowed through by electricity at different time, analyzing the rule of the change of the reinforcement corrosion parameters, and test the chloride ion diffusion coefficient to evaluate the impermeability of the concrete

    本文以不同水灰比、不同含氣量、不同引氣劑的鋼筋混凝土為研究對象,採用濕通電法對鋼筋混凝土進行加速銹,同時採用線性極化法對不同通電時間的極化電阻和腐電流密進行測試,分析銹參數的變化規律,並通過測定cl -擴散系數來評價其抗性。
  11. Characteristic great intensity and cluctibility, strong corrosion resistence, nondeformation, leacking proof, ageing resistence use : clothing of cables, water pipe ect. technology norms shape and coustructre : screwed beutable insulated tube

    特點用途:該產品高強高韌性耐腐不變形防漏抗老化,廣泛用於光電纜的外套保護城市建設自來水管等。
  12. It is these particles that can change nitriding layer microstructure and that accelerates the layer formation. nitrogen is infiltrated through the surface of metals and it changes the chemical components. as a result, the surface of metal has good performance with high hardness, high resistant attrition, high fatigue strength, high resistant erode and resistant die burn

    這些高能粒子可以改變層組織,結構和促進化學反應過程,加速層形成,使氮元素入金屬表面,從而改變金屬表面的化學成分,使之具有高硬、高耐磨性、高疲勞強、高腐能力及抗燒傷性。
  13. For concrete structure in the practical engineering, the non - mechanics damages, such as alkali - aggregate reaction, sulfate attack, carbonization, steel rust, freeze and thaw, and so on, are unavoidable due to the exist of erosive media. the deterioration form of mono or multi - factor influences on the concrete property of construction and durability greatly, and shortens the service life of the concrete to a large extent. permeability of concrete is the most important factor for these non - mechanics damages, so the permeability test of concrete is the normal and required item to study the durability of concrete

    實際工程中的混凝土結構,因侵性介質的存在而使非力學破壞行為無處不在,這些非力學破壞行為包括堿集料反應、硫酸鹽侵、碳化、鋼筋銹、凍融等,單一的破壞形式或多形式的復合破壞作用對混凝土結構性能及耐久性能均有著較為嚴重的影響,在很大程上縮短了建築物的服役年限,而這些非力學破壞在很大程上取決于其透性,所以測試混凝土透性能是研究判斷混凝土耐久性的常規必測項目。
  14. ( 1 ) in newly - constructed stage and early stage of reclamation, the most important factor of runoff is 30min rainfall intensity. in later stage of reclamation, the most important one is 45min rainfall intensity. and the runoff capacity is the most important influence factor to soil erosion always ; ( 2 ) on the certain degree, loosening surface has an active function to infiltration condition but not to conserve soil ; ( 3 ) the most runoff is formed on platform of stackpile and the soil erosion often happens in the slope ; ( 4 ) stone - soiled dumps have an advantage over soil at respect of erosion resistance so that soil is not adapt in covering slope ; ( 5 ) grass has a better role in conservation of water and soil than arbor in early stage of reclamation ; ( 6 ) arbor - arboret - hemp mix is the best model for conservation

    結果顯示:在未復墾時期和復墾初期, 30min降雨強對徑流影響最大,復墾後期徑流與45min雨強相關性最強,而徑流量對土壤侵量的影響始終最大;通過疏鬆地表巖土只在一定程上改善地表的入條件,並不能起到保土的作用;平臺為徑流的主要形成區,而土壤侵主要集中在斜坡;土石混排坡的土壤抗性比覆土坡的要大得多,在排土場形成過程中不宜用厚層黃土覆坡;在復墾初期,純草模式水土保持效果明顯好於純喬模式。
  15. The result indicates that when the air content of the concrete changes from 1 to 4 percent, the polarized resistance of the identical flow electricity time increases along with the increment of the air content, the corrosion current density reduces along with the increment of air content, the chloride ion diffusion coefficient reduces with the increment of air content ; when air content changes from 4 to 6 percent, the rule of the change of the polarized resistance and corrosion current density happens to be the opposite, the diffusion coefficient of the chloride ion increases along with the increment of air content ; when the air content is 4 percent, the rust - resisting property of concrete is best, and so is the impermeability of the concrete

    試驗結果表明,混凝土的含氣量在1 . 9 % ~ 4 . 2 %變化時,極化電阻隨含氣量的增大而增大,腐電流密隨含氣量的增大而減小, cl -擴散系數隨含氣量的增大而減小;當含氣量在4 . 2 % ~ 6 . 4 %變化時,極化電阻、腐電流密和cl -擴散系數的變化規律則相反;當含氣量為4 . 2 %時,抗鋼筋銹性能最佳,抗性最好。 cl -擴散系數與鋼筋銹參數在一定程上有著良好的相關性,抗性的結果較好地反映了混凝土中鋼筋銹的程,可以用cl -擴散系數評價引氣混凝土的抗鋼筋銹性能。
  16. In this dissertation, rainfall infiltration, runoff, and soil water redistribution on a hillslope were studied by simulated rainfall experiments, and soil water cycling was investigated by site observation and soil sampling methods. moreover, the reasons for the desiccation of deep soil layer were analyzed, and its assessment indexes and standards were presented. the main results are as follows : ( 1 ) rainfall infiltration into a planar hillslope with a homogeneous isotropic soil could be simply regarded as one - dimensional infiltration process, if soil erosion was prevented

    針對當前該區植被恢復重建中存在的科學問題,以植被建設的關鍵性限制因素?土壤水分為出發點,通過室內外模擬降雨試驗,研究了坡地降雨入、產流及土壤水分再分佈規律,同時採用定位觀測和采樣分析相結合的方法,分析了坡地土壤水分的循環與轉化特徵,並初步建立了深層土壤乾燥化程的評價標準,取得的主要結論如下: ( 1 )在防止土壤侵的條件下,均質坡地的降雨入過程可以簡化為一維。
  17. Abstract : the layer texture and the effect of technical parameters on the depth of boronization layer after low temperature boronization of 45 steel and the difference of corrosion resistance between low temperature boronization and high temperature boronization are described in the paper

    文摘:敘述了45鋼低溫硼后的組織,工藝參數對硼層深影響的規律以及低溫硼層與高溫硼層的耐性差別。
  18. With the hardness tests, it is indicated the hardness of the nano alumina or nano silicon carbide coating is improved to 1. 6 - 2. 5 times as that of the plasma spraying coating. with the wearing tests, it is indicated that low laser power employed, the wearing performance of the coating without nano material increase to 1. 3 times as that of the plasma coating, at the same time, the wearing performance of the coating with nano material increase 2. 3 - 6 times as that of the plasma spraying coating, the wearing mechanism is further analyzed. with the erosion tests, it is indicated that the erosion performance of the coating with nano material increase five times as that of the plasma spra

    與相應等離子噴塗層相比,硬測試表明,含納米al _ 2o _ 3或sic的各種復合塗層硬提高了0 . 6 - 1 . 5倍左右;耐磨性測試表明,小功率下單純的激光重熔耐磨性提高了30 ,而納米入后塗層的耐磨性提高了1 . 3 - 5倍左右,對耐磨性提高的機理作了進一步的探索和分析研究;耐性測試表明,經激光熔覆納米入后的各種塗層耐性能提高了4倍以上,同時塗層厚、表面質量對腐性能有影響。
  19. Surface hardness is strengthened by use of plasma nitriding technique to change microstructure of mould surface. on the basis of that, the major research works accomplished in this paper are as follows. hardness, resistant attrition, fatigue strength, resistant erode and resistant die burn of the materials are enhanced and the life of the mould is increased by five to ten times

    本人根據近年來模具工業的快速發展,模具的表面工程越來越受到普遍重視,利用等離子氮技術可以改變模具表面的組織結構使表面硬得到強化,提高了材料的硬、耐磨性、疲勞強、抗腐能力及抗燒傷性,使模具的壽命提高5 - - 10倍。
  20. The main properties required are impact resistance, chemical resistance to fuel and low hydrocarbon permeability

    主要性能要求是抗沖擊性,耐燃油化學腐性和低烴
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