凍凝性 的英文怎麼說
中文拼音 [dòngníngxìng]
凍凝性
英文
congealing property-
The result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash
試驗結果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。Test method for frost - resistance of aerated concrete
加氣混凝土抗凍性試驗方法Long term immersing marshall test and frozen - thaw cycle test were used to investigate the anti - stripping performance of andesite asphalt mixture using cement and anti - stripping agent
摘要採取長時間浸水馬歇爾試驗和多循環凍融劈裂試驗方法,對摻加了水泥、抗剝落劑的安山巖集料瀝青混凝土水穩定性能進行研究。Frost resistance of recycled concrete with antifreeze
摻外加劑的再生混凝土抗凍性能研究The research results show that when the fly ash content is under 30 %, the strength of rcc can be increased but the effect is a little ; and with the fly ash content increased the dry shrinkage of the rcc reduced straightly, and the abrasion resistance and freeze resistance increased obviously. ( 3 ) fly ash can increase durability of the rcc and under the experiment condition, the perfect mixing content is 30 %
試驗結果表明: ( 1 )粉煤灰摻量小於30 %時能提高碾壓混凝土強度但影響度不大; ( 2 )隨著粉煤灰摻量的增加,碾壓混凝土的干縮呈直線降低,且抗磨性和抗凍融能力明顯提高; ( 3 )粉煤灰能有效提高碾壓混凝土的耐久性,且在試驗條件下的最佳摻量為30 % 。After careful studying their relative importance to immune response and the possibility of the match, seventeen sequences of interest were selected for further experiment, including estss analogous to 11. 5kd antibacterial peptide, lysozyme, serine protease and its inhibitor, lectin, antifreeze protein, et al. primers designed according to the sequences were used to amplify the corresponding estss from both blood and cephalothorax cdna library
在仔細分析了它們在免疫系統中的重要性和在對蝦中出現的可能性之後,從中選出了17條可能編碼抗菌肽,溶菌酶,凝集素、絲氨酸蛋白酶及其抑制劑,抗凍蛋白等蛋白質的序列,以此為依據設計引物,在中國對蝦的血液和頭胸部cdna文庫中擴增相應的序列。Non - condensible gas purge equipment for use with low pressure centrifugal liquid chillers
低壓離心液體冷凍裝置上使用的不凝性氣體吹洗設備Standard test method for scaling resistance of concrete surfaces exposed to deicing chemicals
暴露于防凍化學藥品的混凝土表面抗蝕刻性的標準試驗方法Abstract : the paper analyses and compares the current test methods of deicer - frost in different countries. on the basis of the study of influence on deicer - frost scaling of concrete, the test method of deicer - frost was further improved, and an easier preparing method of samples for deicer - frost and a quantitative evaluating method of frost - resistance were put forward
文摘:在分析、比較不同國家現行的鹽凍試驗方法,在研究影響混凝土除冰鹽剝蝕因素的基礎上,對鹽凍試驗方法進行改進,提出更簡易的鹽凍試件制備方法和抗鹽凍性能的量化評價方法。Freeze - thaw resistance of class fly ash concrete
級粉煤灰混凝土的抗凍融性能Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering
主要考察了老混凝土表面不同處理方式(刷毛面,鑿毛面,劈裂面) 、界面粘結劑類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響,以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明,粗糙度對新老混凝土粘結性能有重要影響,隨著粘結面粗糙度的增大,粘結面劈拉強度不斷增加;界面粘結劑類型對新老混凝土粘結性能有一定影響,在凍融作用下, u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿;凍融循環對粘結面劈拉強度有較大影響,加氣能明顯改善新老混凝土粘結面的抗凍能力。After this season of congealed dampness came a spell of dry frost, when strange birds from behind the north pole began to arrive silently on the upland of flintcomb - ash ; gaunt spectral creatures with tragical eyes - eyes which had witnessed scenes of cataclysmal horror in inaccessible polar regions of a magnitude such as no human being had ever conceived, in curdling temperatures that no man could endure ; which had beheld the crash of icebergs and the slide of snow hills by the shooting light of the aurora ; been half blinded by the whirl of colossal storms and terraqueous distortions ; and retained the expression of feature that such scenes had engendered
潮氣結為霧淞的季節過去了,接著而來的是一段乾燥的霜凍時期,北極後面一些奇怪的鳥兒開始悄悄地飛到燧石山的高地上來這些骨瘦如柴的鬼怪似的鳥兒,長著悲傷的眼睛,在人類無法想象其廣袤寥廓的人跡罕至的極地,在人類無法忍受的凝固血液的氣溫里,這種眼睛曾經目睹過災難性地質變遷的恐怖在黎明女神播灑出來的光明裡,親眼看到過冰山的崩裂,雪山的滑動在巨大的暴風雪和海水陸地的巨變所引起的漩流中,它們的眼睛被弄得瞎了一半在它們的眼睛里,至今還保留著當時看到這種場面的表情特點。Abstract : the result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash
文摘:試驗結果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。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 concrete used in testing bridge is monitored and some performance at definite age including compressive strength, splitting fensile strength, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure by mercury porosimetry are tested. these performances are compared with that of concrete which designed by traditional method. the results show that mechanical properties of concrete designed by high durability concrete proportion and traditional method meet require ment at any age, however, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure of the former are better than the latter, so high durability concrete is economic benefit
對試驗橋用混凝土的質量進行監控,並成型試件測量所需齡期內的抗壓強度、劈裂強度與抗凍融、抗鹽凍、氯離子擴散系數( dcl - ) 、抗碳化等耐久性能指標及孔結構,並與傳統混凝土進行對比研究,結果表明:高耐久性混凝土及按傳統配合比設計的混凝土的力學性能均能滿足相應齡期的要求,但前者的抗凍融性能、抗鹽凍性能、抗碳化性能、 dcl -和孔結構明顯優於後者,並具有明顯的社會經濟效益。Calcium - enriched fly ash debases the numerical value of critical strength of frozen injury and improves the microstructure because of its form effect, activity, tiny aggregate effect and self - hardening property. so it is feasible to make it an important component of minus - temperature concrete
因為增鈣粉煤灰具有形態效應、活性效應、微集料效應和自凝性、自硬性等優勢,它改善了混凝土的微觀結構,降低了負溫混凝土的抗凍臨界強度,所以增鈣粉煤灰可以作為負溫混凝土的摻合料。Method of test for resistance of concrete to freezing and thawing
混凝土耐凍結性和耐融化性的試驗方法The study shows that the sealant has a good bonding effect on concrete with better properties of water proof, weather resistance, chemical resistance and anti - freezing
研究結果表明,該密封膠對混凝土粘結性好,並具有優良的耐水、耐候、耐化學介質性及耐凍融性等特點。Through manipulating the air content of mixture to control concrete frost resistance is the universal method in projects, but the study on the effect of concrete pore structure change after air entraining to the concrete frost resistance and impermeability is few, the study on the effect of mineral additive to concrete pore structure and durability is even fewer, so carry on this aspect research has significant meaning
通過控制拌合物的含氣量來控制混凝土的抗凍融性,是目前工程中普遍採用的方法,但引氣后混凝土的孔結構變化及其對抗凍、抗滲等耐久性的影響研究較少,而無機鹽類外加劑對混凝土孔結構及其耐久性影響的研究更少,因此開展這方面的研究具有重要意義。Freeze - thaw resistance behavior of bonded joints between frp and concrete
纖維增強塑料與混凝土粘結抗凍融性能研究分享友人