耐化學性能 的英文怎麼說
中文拼音 [nàihuàxuéxìngnéng]
耐化學性能
英文
chemical resistance-
The al matrix composites by reaction synthesis put up high mechanical behavior, well high - temperature properties and excellent wearing quality but the existent difficulties lie in that homogenizing method is not perfect, fundamental research to growth mechanism is absent and the concomitance compound come from reaction is difficult to eliminate at present
反應合成的鋁基復合材料具有常溫力學性能高、高溫性能好和耐磨性突出的優點,而存在的主要研究難題則是整個材料均質化方法不理想、生長機制等基礎理論研究缺乏、反應伴生的化合物難以控制等。It can be widely used in the petroleum, chemical, machinery - building, cosmonautics and motors industries
它具有較強的耐化學腐蝕性能,較高的機械強度,耐磨性好,耐高溫,自潤滑性好。To chemical measure, the higher molecular of peg is, the better result will be got ; to soap - free polymerization, on the contrary, the content of pmma enwrapping nano - silica effect few on results, which is obviously shown in data of stain resistance
單從化學法本身看,接枝peg的分子量越大,結果越好,耐沾污性能表現尤為明顯;無皂乳液聚合也許由於本身方法的因素使得mma包裹量對結果影響不顯著。On the basis of the characteristic of the industry waste slag, which is high added to the hsfab, different kinds of catalyzing methods are adopted to make the waste residue more active. the additive f, developed by the author can obviously improve the mechanics characteristic and durability of hsfab, especially the restraining of the drying shrinkage. based on the study of technics parameters and the problems in the manufacture, hf - 1100 series full - automatic hydraulic pressure wall brick presses is chosed to solve the problems, such as low molding pressure, low efficiency and the certified product ration
在hsfab的研究方面,通過兩種體系hsfab (即「水泥?鋼渣?粉煤灰?爐渣」和「石灰?鋼渣?粉煤灰?爐渣」體系)的配方優化設計,使之具有良好的社會、經濟和環境效益;在高摻量工業廢渣的前提下,根據各種原料的特性,對其採用不同的活化技術,使其具有較高的活性;自研的外加劑f ,對hsfab製品的物理力學性能和耐久性能均有明顯的改善作用,尤其是對製品的乾燥收縮性能有顯著的抑制作用;通過對工藝參數的研究,結合實際生產普遍存在的問題,選取了hf - 1100系列全自動液壓墻體磚壓機,有效地解決了傳統制磚過程中常見的成型壓力低、生產效率低、產品合格率低(即「三低」現象)等問題。The performance of hpch is 1 - 2 times more than the traditional materials on the resistant abilities of wearing, chemical corrosion and freezing
耐磨性、耐化學侵蝕性能、抗凍性均高性能彩色印模飾面混凝土技術的研究較傳統材料提高l 2倍。The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。Being lightweight aggregate, the chemical mineral constituents and physical mechanics properties of lytag are analyzed. meanwhile properties of haydite concrete using lytag as coarse aggregate are also studied. the influences on lightweight concrete qualities by introducing wollastonite and chemical admixtures are researched which proves the important roles of wollastonite and admixtures in construction of concrete platforms
分析了作為輕骨料的粉煤灰陶粒的化學、礦物成分和物理力學性能以及用它作為粗骨料配製出的輕質混凝土的各項特性;研究了摻入硅灰和減水劑等外加劑對混凝土的強度、耐久性和新拌混凝土可工作性的影響;說明了硅灰和化學外加劑在海洋平臺混凝土施工中不可或缺的作用。Secondly, this article uses variance analysis and other research means of statistics to study and definitize the best mix proportion ration of pumice concrete, and studies mechanics and durability of the concrete using the best mix proportion
通過正交分析的實驗方法,研究並確定了浮石混凝土的優化配合比,並對根據該配合比設計而成的浮石混凝土的力學性能和耐久性能進行了分析研究。Mechanical performance, frost resistance and abrasion resistance of concrete with fly ash, air entraining agent and four kinds of inorganic salts including sodium sulfate, sodium nitrite, calcium nitrite and sodium chloride are mainly studied in this paper
本文研究了在路面水泥混凝土中摻入粉煤灰、引氣劑和四種無機鹽( na2so4 、 nano2 、 ca ( no2 ) 2和nacl )后,混凝土的力學性能、抗鹽凍剝蝕能力和耐磨性等性能的變化規律。It is high performance concrete of low water - binder ratio. with its own gravity and without any vibration, it can fill up the space automatically. with high adding quantity of fly ash and slag, high quality water reducing agent and other compound admixture is the most important technology of this kind of high performance concrete. scc focus on high workability at the same time on high strength and high durability through choosing the composite of aggregate, additives, content of cementions material, admixture reasonably and the optimum design of mix proportion
本文研究了採用吉林省本地原材料和常規生產工藝配製c40自密實混凝土的製作技術,採用水膠比、粉煤灰摻量、砂率、膠凝材料總量四個因素進行配合比的正交設計,試驗分析了自密實混凝土拌合物的工作性以及硬化后的力學性能、耐久性和生產與施工注意事項,並對其經濟性做出了客觀評價,本次試驗為吉林地區自密實混凝土的推廣應用提供了數據基礎。Several problems of the durability of the reinforced concrete ( rc ) member in marine environment have been studied in this paper, which includes chloride ' s ingression in concrete, performance of concrete in marine environment, non - uniform corrosion model of reinforcing bar, initial corrosion of reinforcing bars in concrete beam and mechanical performance of corroded concrete member
本文對海洋環境中鋼筋混凝土耐久性的若干問題進行了研究,主要包括氯離子在混凝土中的滲透、混凝土在海洋環境侵蝕下的性能變化情況、鋼筋的不均勻銹蝕、混凝土梁中的鋼筋初始銹蝕、和銹蝕混凝土梁的力學性能等內容。At last the material and the craftwork are attempted to repair a pipe. the results show that : firstly, all of hdpe / elastomer, xlpe, hdpe / dynamic vulcanization elastomer can obviously improve the shape recovery properties of hdpe ; the shape recovery properties of hdpe / nr is the best among the three kinds of blended system hdpe / epdlvl hdpe / nr and hdpe / nbr, but the mechanical properties and flow behavior will decrease in a certain degree. secondly, hdpe and hdpe ( 2480 ) / nbr ( 15 % ) have the better anticorrosion to hot crude oil, and the anticorrosion of ldpe is the worst ; thirdly, the content of elastomer should be about 15 wt % if the blended system is used in the intercrossing method in repairing old pipes
結果表明: ( 1 ) hdpe彈性體、 xlpe 、 hdpe動態硫化彈性體能夠顯著改善hdpe的形狀回復能力;在hdpe epdm 、 hdpe nr和hdpe nbr三種共混體系中, hdpe nr的形狀回復能力最好, hdpe彈性體共混體系的力學性能和流動性能隨彈性體含量增加而降低; ( 2 ) ldpe耐80原油腐蝕性能很差, hdpe耐80原油腐蝕性能良好;共混體系中hdpe - 2480 nbr ( 15 )耐80原油腐蝕性能良好; ( 3 )作為穿插法修復舊管道的襯管材料,共混體系中彈性體含量以15為宜。The product possesses better dielectric and, chemical - proof nature, superior limpness and elasticity, and is suitable for wiring insulation and mechanical protection in motor, electric appliance instrume nation, medical equipment radio, tv set, electric fan and washer etc. household appliance
產品具有良好的介電性能和耐化學性,以及優越柔軟性和彈性,使用於機電,電器,儀器儀表,醫療設備,無線電,電視機以及電風扇,洗衣機等家用電器的布線絕緣和機械保護。Through systematically analyzing the composition and structure of concrete from three levels of macroscopic, microcosmic and ultra - microcosmic, the author of this paper found that the mechanical properties and durability of concrete depended on mainly its composition and structure. the interface, which is one of three composition of concrete ( hardened cement paste, aggregate and interface ), is the most weak zone in concrete
作者通過對混凝土材料的組成和結構進行宏觀、微觀和細觀三個層次的系統分析發現,混凝土材料的力學性能和耐久性主要取決于其微觀的組織構成;在組成混凝土材料的三相(硬化水泥漿體、集料和硬化水泥漿體-集料界面過渡區)中,界面過渡區是其中最薄弱的一環。Ceramic floor and wall tiles. method for determination of chemical resistance. glazed tiles
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