鹽侵 的英文怎麼說
中文拼音 [yánqīn]
鹽侵
英文
salt contamination-
" bread and salt eaten offthe body
"麵包和鹽侵蝕著身體There is correspondence in evaluating sulfate resistance of cement paste by three test methods such as rapid boiling, gypsum mixing and wet - dry test. high strength grade cement can meliorate property of sulfate resistance
外摻石膏法、干濕交替法以及快速沸煮法三種實驗方法對評價水泥砂漿的抗硫酸鹽侵蝕性能有較好的一致性；高標號水泥品種對抗硫酸鹽侵蝕性能有很好的改善作用。Investigation on resistance of rubberized mortar to sulfate erosion
橡膠集料砂漿試件抗硫酸鹽侵蝕性能初探Rapid test for sulphate resistance of cement
水泥抗硫酸鹽侵蝕快速試驗方法Investigation on mechanics performances of crumb rubber concrete under chlorine salt erosion
氯鹽侵蝕環境下橡膠集料混凝土的力學性能研究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+高效減水劑+引氣+阻銹組分功能復合的技術路線，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侵蝕、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。Sulfate attack on cement mortar containing limestone powder at lower temperature
含石灰石粉水泥砂漿在低溫環境中的硫酸鹽侵蝕For the background of our ten - five main scientific project, based upon the structure and compositions of expert system and their field characteristics and software development mode, the ideas and methods of expert system of concrete sulfate resistance project are discussed in this article, and a prototype of system integration is given
本文結合國家「十五「重點攻關項目（混凝土安全性專家系統）中的子系統?抗硫酸鹽侵蝕專家系統，根據專家系統的組成結構和領域特點，結合知識結構的一種新的組織和表示模式，研究了專家系統開發的實現技術，並對其進行了最後的集成。Effects and mechanisms of mineral admixtures on sulfate attack of cement mortars
礦物摻合料對水泥砂漿硫酸鹽侵蝕的影響及機理With the addition of the mineral additives, the structure of the cement paste can be improved and the resistance of sulfate attacks can be advanced
摻入摻和料可以改善水泥漿體的結構，明顯提高混凝土的抗硫酸鹽侵蝕能力。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，能夠多角度、快速、高效、真實、準確地再現現場混凝土的滲透情況，並且能間接反映堿-骨料反應、鋼筋銹蝕、碳化、硫酸鹽侵蝕及凍融破壞的影響，對混凝土耐久性的監測與研究具有重要意義。The research work about durability of high - performance self - compacting micro - expansive concrete show that the micro - expansive function and micro - bubble producing function of mineral admixture h can improve the impermeability, frost - resistance ability and sulfate eroding resistance ability etc of self - compacting concrete
研究了免振搗微膨脹高性能混凝土的各項耐久性能，結果表明：山于新型礦物添加劑h的微膨脹功能和微量發氣功能，研製成功的免振搗微膨脹高性能混凝土具有優良的抗滲性、抗凍性、抗硫酸鹽侵蝕等耐久性能。Investigation of sulfate deterioration of concrete in the environment of inland salt lake
內鹽湖環境中混凝土硫酸鹽侵蝕破壞研究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，因侵蝕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、硫酸鹽侵蝕、碳化、鋼筋銹蝕、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，在很大程度上縮短了建築物的服役年限，而這些非力學破壞在很大程度上取決于其滲透性，所以測試混凝土滲透性能是研究判斷混凝土耐久性的常規必測項目。At the same time fly ash and silica fume also can repress the anti - sulfate attack and the alkali - aggregate reaction ; in addition, the relation between air - entraining admi xture, cementitious materials quantity with freezing - thaw property of concrete were studied ; and according to the different affecting factors the durable life of concrete was estimated
同時粉煤灰、硅灰還可以抑制硫酸鹽侵蝕及堿集料反應；此外，分析了混凝土中含氣量、膠凝材總量等與混凝土抗凍性的關系。並且，根據相應影響因素對混凝土耐久性壽命進行了預測。Acid rain may possibly cause the double harm for the sulfuric attack and the sulfate attack
酸雨有可能造成硫酸鹽侵蝕和酸侵蝕雙重的危害。Iron and steel. macroscopic examination by means of copper salt etching
鋼鐵.用銅鹽侵蝕法的低倍檢查This paper is concentrated on preparing si3n4 / sic, si2n2o / sic and o ' - sialon / sic by reactive sintering techniques. the components of raw materials and microstructure of these three ceramics were studied. at the same time, molten al, cu, zn, mg and cryolite corrosion resistance of silicon nitride bonded silicon carbide were tested too
本論文通過成份及微結構設計，採用反應燒結工藝制備了力學和抗氧化性能優異的o ' - sialon sic 、 si _ 2n _ 2o sic和si _ 3n _ 4 sic陶瓷材料，並研究了它們的抗鋁、銅、鋅、鎂有色金屬熔體及冰晶石熔鹽侵蝕性能。Sulphate resistance test for cement
水泥抗硫酸鹽侵蝕試驗方法Rapid test for sulphate resistance of
水泥抗硫酸鹽侵蝕快速試驗方法分享友人