灰水比 的英文怎麼說
中文拼音 [huīshuǐbǐ]
灰水比
英文
cement water ratio-
The results of research on the workability of hbc concrete show that hbc concrete, when compared with opc concrete, has excellent compatibility with superplasticizer, in terms of better initial fluidity, less slump loss, definite saturation point and less dosage at saturation point. in addition, good mineral admixture such as i class fly ash can obviously improve the workability of hbc concrete. moreover, hbc concrete exhibits more excellent workability under the condition of low w / c ratio, which indicates hbc is more suitable for making super high strength concrete whose w / c ratio is very low
對高貝利特水泥高性能混凝土工作性能的研究結果表明,高貝利特水泥與高效減水劑具有良好的適應性,表現為初始流動度較大,經時損失較小,具有明顯的飽和點且飽和點摻量較小;此外,優質的礦物摻和料如一級粉煤灰能明顯改善hbc混凝土的工作性能;更為突出的是hbc混凝土在低水膠比的情況下表現出更為優異的工作性,這一特性預示著高貝利特水泥更適宜配製水膠比很低的超高強混凝土。A comparison is made of the ash - water ( black water ) system flowcharts for the texaco coal - water slurry gasifier in china, their respective characteristics and drawbacks are evaluated, and a brief summary is given
摘要主要對國內德士古水煤漿氣化裝置中幾種灰水(黑水)系統的流程加以比較,分別評價了它們各自的特點和缺點,並做出簡要的總結。Through experiment on the influence factor of calcic - mortar ' s performance, we find out the best cement contrast minute stone for compounding, strength of cement, configuation craft, maintenance system and minute stone cement intensity grading
摘要通過對鈣性黏結砂漿性能影響因素的試驗研究,找出了配製鈣性黏結砂漿的最佳灰砂比、水泥強度等級、配製工藝、養護制度為和沙子級配。High water - cement ratio during construction and low water - cement ratio during solidification are realized by using electroosmosis technology to change the process of concrete construction
採用電滲濾水施工技術,滿足了混凝土大水灰比施工、小水灰比固化的要求。Electroosmosis technology can solve the problem of high water cement ratio during construction and low water cement ratio during solidification effectively so that have expansive application prospect
結論電滲濾水混凝土技術能有效地解決混凝土的大水灰質量比施工、小水灰質量比固化的矛盾,有重要學術價值和廣闊的應用前景。Utilizing the electric double layer produced by hydration of cement to gather in superfluous water at negative electrode and reduce the water cement ratio of solidification by using electroosmosis technology
方法採用電滲技術,利用水泥水化產生的雙電層的導電性能,使混凝土中的多餘水分向陰極聚集,以減少混凝土的凝結水灰質量比。Cluster analysis based on its pcr - rflp suggested that seven groups were distinguishable for pleurotus on 93 % similairity coefficient, i. e. p. oslrealus complex ( including p. ostreatus, p. florida, p. sapidus, p. corticalus, p. cornucopias, p. columbinus, p. spodoleucus, p. ferulae, p. nebrodensis and p. sp. ), p. eryngii, p. pulmonarius - p
Itspcr一rflp聚類分析結果表明, 52個側耳菌株在93 %的相似系數水平可分為七類,第一類包括糙皮側耳、佛羅以達側耳、美味側耳、裂皮側耳、黃白側耳、哥倫比亞側耳、灰自側耳、阿魏蘑、白阿魏蘑;第二類為刺芹側耳;第三類包括月Cluster analysis based on rapd showed that at 76 % similarity level, all tested isolated could be clusted into nine groups, i. e. 1 p. ostreatus and p. florida, ii p. ostreatm p. sapidus, p. spodoleucus and p. eryngii, iii p. colnmbinus, p. corlicalus, p. cornucopiae, p. nebrodensis and p. ferulae ; iv p. pulmonarius and p. sajor - caju, v three isolates with indefinite species, vi p. luber - regium, vii p. cilrinopileatus, viii p. djamor and p. salmoneoslramincus, ix p. abalonus and p. cysliodism. 4. a single uniform product 1. 46kb in size resulted from pcr amplification of the 5 " half of the 28s rrna gene for all isolates of pleurolus and the other three genera
隨機擴增多態性dna的聚類分析表明,在76相似水平下,可將供試的側耳菌株聚成九大類,第一大類包括糙皮側耳、佛羅里達側耳;第二大類包括美味側耳、灰白側耳、剌芹側耳;第三大類包括哥倫比亞側耳、裂皮側耳、黃白側耳、阿魏蘑、白阿魏蘑;第四大類包括肺形側耳和鳳尾菇;第五大類為3株未定名的側耳;第六大類僅有具核側耳;第七大類為金頂側耳;第八大類包括紅平菇和桃紅側耳;第九大類包括鮑魚菇和囊蓋側耳。In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found
本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響,採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比,同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著,因此,以二者為自變量建立了二元線性回歸方程,通過全相關系數的檢驗發現方程較為理想。此外,還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗,發現磷酸有較好的耐水性效果,同時找到了其合適的摻量范圍。Both the annual banding growth rate curve and grey level curve show the evolution processes of the precipitation over the past 2000 years this region and that divide into seven dry / wet cycles
石筍紋層厚度和灰度曲線比較清晰地揭示了本區過去2000年降水演化過程,可劃分7個干濕旋迴。Shotcrete - rock bolt support and concrete lining are important parts of timbering structures in modern tunnel construction, and there are also essentials for natm. the intensity difference of concrete is big because of the big randomicity at the aspects of material, metage of additive, mix round, ratio of water and lime, spray construct and water maintain
由於噴射混凝土和二次襯砌在拌和料、外加速凝劑的稱量、拌勻以及水灰比的配比、在噴射作業及灑水養護上都存在著很大的隨機性,其強度的差異也較大。The mixture ratio adjustment of cement and coal ash for stabilizing crushed stone subbase course
水泥粉煤灰穩定碎石基層施工配合比的調整The paper analyzes its performance with the range of the content of gas former, expanding pearlite and water - cement ratio
文中對引氣劑用量、珍珠巖用量及水灰比對材料吸聲性能影響進行了研究與分析。Factors which can accelerate the early hydration of cement, the setting in particular, such as excessively high c3a content, too low so3 content, high alkali content and the blending of pozzolana with large inner specific surface area, etc., will result in poor compatibility of the superplasticizer with cement
凡是加速水泥初期水化的因素,特別是使水泥凝結加速的因素如c3a含量過高、 so3摻量過少、堿含量高以及摻入內比表面積大的火山灰質混合材等均使水泥與超塑化劑的相適應性變差。The influence of different gypsum on strengh of portland - sulphoalminate composite cement system is complicated, related with aluminiferouse mineral in cement system and the so4 ( superscript 2 - ) concentration of its hydrated solution ; in distilled water and maximum lime wash, the dissolution rate of dihydrate gypsum is higher than that of anhydrite but the dissolubility is lower
石膏品種對硅酸鹽硫鋁酸鹽復合體系水泥強度的影響較復雜,與水泥體系中含鋁礦物及其水化溶液中so4 (上標2 - )離子濃度有關;在蒸餾水和飽和石灰水中,二水石膏的溶解速度比硬石膏快,溶解度比硬石膏低。The influence of the type and amount of active strengthening agent, cement - blast ratio and cement dispersity have been studied to the property of fly ash blast cement
研究了活性增強劑類型及摻量、灰渣比和水泥分散度對粉煤灰礦渣水泥性能的影響。For details, the main contents are as follow : 1. the research is conducted on the confecting method of steel - slag concrete by indoor experiment. through comparison of the physical and mechanical properties between steel - slag concrete and plain concrete, it can analyze the advantages of using steel - slag concrete. based on the test results, empirical formulae is developed, which provides some bases for practical projects
通過試驗研究了廢鋼渣作為原材料配製混凝土的方法,並將鋼渣混凝土與普通混凝土在配製過程中的某些性質指標作了比較,分析了其原因,並在試驗的基礎上建立了強度與灰水比經驗公式,為工程設計提供了依據。The physical and mechanical properties of the raw materials and the recycled mixture are studied respectively in this paper by means of indoor experiments. the primary mechanical indexes of the recycled mixture are tested, including the unconfined compressive strength, the resilient modulus and the cleavage strength. the changing laws of these indexes are related to the cement content, the ratio of old asphalt mixture to lime soil and the aged - period
初步對再生混合料的無側限抗壓強度、抗壓回彈模量和劈裂強度等主要力學指標進行了分析評定,總結了其強度性能與剛度性能隨水泥劑量、舊路面與灰土比例和養生齡期的變化規律,並建立了各指標之間的相互聯系;此外對再生混合料的水穩定性、抗凍性、干縮特性、溫縮特性和疲勞特性也進行了試驗分析;在上述研究的基礎上還探討了原材料性質對再生混合料性能的影響。Based on analyzing and determining basic characteristics of every raw material, the dispensation tests had been performed about clay - cement paste, fly ash - cement paste, fly ash - clay - cement paste and wind - blown soil - clay - cement paste, and their performance figures were tested systematically and obtained perfectly so that a reasonable dispensation formula was get to be used in filling project
在分析測試各種原材料基本性能的基礎上,按正交試驗設計方法,完成了粘土?水泥漿、粉煤灰?水泥漿、粉煤灰?粘土?水泥漿和風積土?粘土?水泥漿的配比試驗,並對其各項性能指標進行了系統的測試和分析,得到了可供工程應用的合理配方。In order to establish the non - destructive detecting standard, transverse wave speed is chose as the non - destructive detecting parameter, which strongly correlated with the compressive strength basing on lots of room experiments, and finds the relation between transverse wave speed of cement - soil and its contributory factors. the forecast model of the non - destructive detecting parameter is established by neutral - network toolbox of the matlab. by this model, transverse wave speed and compressive strength are got by putting the soil style, cement - soil ratio, water - cement ratio, maintain condition and the time
由於水泥土的力學性能通常用抗壓強度來衡量,因此,我們通過大量的水泥土室內試驗建立了剪切波速與抗壓強度以及影響因素之間的對應關系,並利用matlab神經網路工具箱建立了防滲墻施工質量無損檢測指標的預測模型,即通過輸入土類、灰土比、水灰比、養護條件及齡期獲得相應的剪切波速和抗壓強度。分享友人