早期強度 的英文怎麼說
中文拼音 [zǎoqīqiángdù]
早期強度
英文
early strength-
The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells
研究初步表明:以細胞培養液m199 (含2既的小牛血清,常規量雙抗)為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式(例如,從0一一6 ,凍存速度為一0 . 05 / min ,再以一0 . 5 / min的速度從一6一一40 ) ; dmso的保護效應濃度為12 . 506左右;小牛血清的濃度對泥鰍胚胎細胞的成活率影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養,解凍后成活率為30 %以上細胞培養數天後均有少數細胞貼壁,但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。Chemical factors affecting the strength of zeolite cement
影響沸石水泥早期強度的化學因素Early age strength of concrete
混凝土早期強度Test results show that the steel fiber in concrete have more effectiveness on improving the splitting tensile strength and the flexural strength in the early age than after its hardening ; the flexural modulus of elasticity of sfrc are higher than the plain concrete at different ages while their compressive modulus of elasticity are almost the same. it ' s also shown that, similar to the plain concrete, the early - age loading decreases the strengths of sfrc, but, with the increase of the contents of the steel fiber things are getting better, especially for the splitting tensile strength and the flexural strength
試驗結果表明:與性能穩定之後相比,在混凝土中摻入鋼纖維對它的早期劈裂抗拉強度和抗折強度有尤為顯著的提高作用;對各齡期的受壓彈性模量影響不大,而對提高抗折彈性模量有一定的效果;與素混凝土試件相同,在早期(強度達到28天強度的85前)對鋼纖維混凝土試件施加荷載會對它的各種強度產生一定的不利影響,但是摻入鋼纖維可以減輕這種不利影響,尤其對劈裂抗拉強度和抗折強度作用突出,並且含纖率越高,效果越明顯。The result of the research indicates that the high performance concrete produced with this type of cement is of higher early and post strength and the electric flux of the concrete is low
研究結果表明,應用該水泥配製的高性能混凝土均具有較高的早期強度和後期強度,混凝土的電通量較低。Research on improvement of the early strength of slag cement
提高礦渣水泥早期強度的研究Aiming at this problem, the paper put forward a dynamic concrete strength testing technology - consolidating wave speed method, and it can be used to testing fresh concrete strength real - timely
針對這一問題,本文提出了一種實時監測混凝土早期強度的動態、無損檢測方法- -固結波速法。Bfs can reduce the early strength of high strength superplasticized expansive concrete and make expansion effect develop fully. so high strength concrete with bfs shows higher e2
磨細礦渣的加入使高強膨脹混凝土的早期強度降低,膨脹效應得以較充分發揮,所以加入磨細礦渣的高強混凝土顯示出較高的膨脹率。This text introduces some way to improve the early strength of lime - flyashed stabilized macadam from aspects of raw material, grading of aggregates, early strength agent, and construction, and presents comprehensive and systematic analysis to it
摘要從所用原材料、集料級配、早強劑以及施工養生等方面介紹了提高二灰穩定碎石基層早期強度的措施,並對其進行了系統的分析。This seemingly contrary phenomenon is rooted in the coordination of expansion and strength development : the high strength especially high early strength of high strength superplasticized expansive concrete confined expansion effect, and there is " self - restricted effect " in concrete
上述看似矛盾的現象源於膨脹混凝土的膨脹與強度的協調性:高強流態膨脹混凝土的高強度,特別是較高的早期強度限制了膨脹效應的發揮,在混凝土內部存在「自約束效應」 。To overcome the problem of low early - strength of prefabricated concrete elements for the third phase of yangshan port, the formula of chlorine resistant portland cement is modified to develop a chlorine resistant portland cement with early strength
摘要為解決洋山港三期工程預制構件早期強度較低的問題,對抗氯鹽硅酸鹽水泥的配方進行改進,開發出早強型抗氯鹽硅酸鹽水泥。The expansion and strength of middle strength superplasticized expansive concrete develop more coordinately. fa reduces the early strength of middle strength superplasticized expansive concrete, and this make more expansion become invalid when the concrete is in plastic state
中強流態膨脹混凝土的膨脹與強度性能發展比較協調,粉煤灰的加入降低了早期強度,使更多的膨脹變為無效膨脹消耗在仍處于塑性狀態的混凝土中,混凝土限制膨脹率減小。The author excogitated a kind of appropriative mud jacking material which is made up of cement, sand, fly ash, admixture and water. this material which was developed on the basis of large amount of tests has the proprieties of good self - flowing density, high earlier strength, non - segregation, non - weepage and non - contractility. especially, the author aim at dealing with pumping mud and earlier maintained developed a kind of high flow grade material which can meet the requirement of mud jacking
本文研製了專用壓漿材料,採用水泥、砂、粉煤灰、外加劑和水混拌而成,通過大量實驗配製出的漿液具有自流淌密實性好、早期強度高、無離析、無泌水、無收縮的性能,特別是針對路面唧泥處理或預防性養護,板底脫空量較小,研製出高流動度材料,能滿足壓漿施工的需要。This text primarily discussed the test method that adapt to the specification and ability of cement - emulsified asphalt concrete, it recommended the test method and adding in proper order that the fit admixtrue corrects mstthus test furtherly, then, it brought up the best match of cement - emulsified asphalt concrete through the test, and explained the influence of heat stability with earlier period strength when adding a certain rate of cement into emulsified asphalt concrete, finally studied fisrt the strength of that material to become the principle with technique economy analysis
本文主要是先討論了適合水泥乳化瀝青混凝土材料性能特點的實驗方法,推薦了合適混合料進一步修正馬歇爾實驗的測試方法及加料順序,然後,通過該實驗提出了水泥乳化瀝青的最佳配合比,並說明了在乳化瀝青混合料中加入一定比例水泥后對乳化瀝青混合料高溫穩定性和早期強度的影響,同時對一段舊路進行補強,摸索了該用材料施工路面的過程及方法,最後初步探討了該材料的強度形成機理和技術經濟分析。In this paper, the confecting technique on many ingredients " hpc was studied, and the optimum ratio of many ingredients in hpc was confirmed by regression method in spss and optimizing method in matlib, considering mechanics performance of high performance concrete and collapsing slump of hpc mixture. c : bf : fa : sf : uea = 3 : 1 : 1 : 0. 2 : 0. 02. we confected out hpc with the ratio
用這一比例關系我們配製出塌落度達130mm 、早期強度高、後期強度增長幅度大的高性能混凝土,其7d 、 28d和56d的抗壓強度分別為47 . 55mpa 、 71 . 05mpa和88 . 8mpa ,後期強度增長率可達到25 。Only when superplasticizer, admixture rf, early - hardening sulphoaluminate cement and aggregate of suitable size are used, high performance repairing concrete can be prepared with high - early strength and high fluidity and good interfacial bond property
必須選用高效減水劑、 rf摻合料、快硬硫鋁酸鹽水泥、合適粒徑的骨料,才能配製出便於施工操作、早期強度較高、新老界面粘結較好的混凝土修補材料。Act - fdn varies from common water - retaining plasticizers and complex water reducers ; it does n ' t contain compound retardants and has no bad influence on the early strength of concrete
因為act - fdn並沒有復合緩凝成分,它不同於一般的保塑劑或復合型減水劑,突出的特點是對混凝土的早期強度無不利影響。The good quality 425r silicate cement and 525 silicate cement, which are produced by the use of rotary kiln and up to the national standard gb175 - 92, are particularly suitable for the construction of buildings for civil use, airport, road, port, and dam because of its good early strength, quick condensation, good freeze and abrasive resistance, and low basicity content
我公司出品的425r 525普通硅酸鹽水泥,系採用國濕法旋窯生產工藝,按國家標準gb175 - 92精心組織生產。具有早期強度高凝結硬化快抗凍性好耐磨性好含堿量低等特點,曾獲得福建省優質產品稱號。According to fly properties from xinxiang, the paper studied on the rules of improving early strength of lime fly stabilized aggregate
針對新鄉粉煤灰的特點,提出了提高二灰碎石混合料早期強度的措施。The results of micro - analyses indicated that the hydration speed of portland limestone cement is faster, as well as the strength of the cement is higher at early stage
通過微觀分析,證實了石灰石硅酸鹽水泥早期水化速度較快,具有早期強度較高的特點。分享友人