細級配材料 的英文怎麼說

中文拼音 [pèicáiliào]
細級配材料 英文
fine-graded material
  • : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • : Ⅰ動詞1 (兩性結合) join in marriage 2 (使動物交配) mate (animals) 3 (按適當的標準或比例加以...
  • : 名詞1 (木料) timber 2 (泛指可以直接製成成品的東西; 材料) material 3 (供寫作或參考的資料) ma...
  • : 名詞1 (材料; 原料) material; stuff 2 (喂牲口用的穀物) feed; fodder 3 (料器) glassware 4 (...
  • 材料 : 1. (原料) material 2. (資料) data; material 3. (適于做某種事的人才) makings; stuff
  1. Based on the close packing and grain composition theory, a new anti - gas channeling lightweight high performance cement slurry system has been developed with industrial drift beads as lightweight additive and superfine gel as strengthening agent

    摘要基於緊密堆積和顆粒理論,研製了一種以工業漂珠為減輕劑、以超膠凝為增強劑的新型低密度、高強度防氣竄水泥漿體系。
  2. Huangyal4 was complete nucleotide sequence of 1 854 bp with a nucleotide orf ( 1575 bp ), which encoded a protein consisting of 524 aa with molecular weight of 62. 2 kda and pi of 8. 96. strongly basic ( + ) amino acids, strongly acidic ( - ) amino acids, hydrophobic amino acids and polar amino acids of the protein were 13. 74 %, 11. 64 %, 36. 45 % and 22. 70 % respectively, and predicted secondary structure of the protein revealed many conserved domains such as n - glycosylation site, protein kinase c phosphorylation site, casein kinase ii phosphorylation site, n - myristoylation site, camp - and cgmp - dependent protein kinase phosphorylation site, tyrosine kinase phosphorylation site and a cytochrome p450 cysteine heme - iron ligand signature which was typical of cytochrome p450. a - helix and b - sheet of the protein is 47. 7 %, 45. 0 % respectively

    Huangya14 )為分離克隆到一個胞色素p450基因,命名為bccyp86mf5 , cdna全長1854bp ,含1575bp的完整開放閱讀框,編碼524個氨基酸,其編碼蛋白質的分子量為61 . 2kda 、等電點為8 . 96 ;堿性氨基酸、酸性氨基酸、疏水氨基酸和極性氨基酸分別占總氨基酸的13 . 74 、 11 . 64 、 36 . 45和22 . 70 ;二結構預測包括n -糖基化位點、依賴于camp和cgmp的蛋白激酶磷酸化位點、蛋白激酶c磷酸化位點、酪蛋白激酶磷酸化位點、酪氨基酸激酶磷酸化位點、 n -豆蔻酰化位點和胞色素p450的典型區域,半胱氨酸亞鐵血紅素體信號區等, -螺旋和-折疊分別佔47 . 7 、 45 . 0 ;與bccyp86mf1基因的氨基酸序列同源性達到95 . 2 ,與擬南芥cyp86c4的達到85 . 9 。
  3. In this paper, the so preparing self - compacting concrete with low and middle strength using super fine mountain sand artifical sand and phosphorus slag is studied systemically. through the study the influence of the shape, the proportion of the dust and the grade of sand to the workability and the mechanical property of self - compacting concrete, it is found that super fine mountain sand artifical sand are not suit to prepare low and middle strength self - compacting concrete, but when they are combined and the additive and assistant band material are used, c20 - c40 high performance self - compacting concrete is prepared ; the corresponding additive is developed to solve the delamination caused by the low proportion of banding material ; the evaluating system for the workability of low and middle strength self - compacting concrete is built ; the controlling method for production, construction and curing was set up. and the result of the research is applied into several projects

    通過分析特山砂和機制砂的顆粒形態、粉末含量、顆粒等特性對自密實混凝土的工作性能和力學性能的影響,發現特山砂、機制砂不宜單獨用於製中低強度等自密實混凝土,宜將特山砂和機制砂進行合理復,並選擇合適的外加劑和礦物摻合,優化合比設計,可生產c20 c40中低強度等自密實高性能混凝土;研製開發出了具有高效減水、保塑、抗離析功能的外加劑,有效解決了中低強度等自密實混凝土由於膠凝用量少而出現的離析、泌水問題;應用正交設計方法,對因素和水平進行合理選擇,確定了生產中低等自密實混凝土的最優合比;建立了中低強度等自密實混凝土的工作性評價體系;提出了生產、施工及養護的質量控制技術方法。
  4. Changing the grading of sic particles not only affects the strength and pile density, but also modifies the phase compositions and microstructure of the material. with the reducing of sic particles, the strength of the material increases obviously. the nitrification scheme has the greatest influence on phase compositions and microstructure " of si3n4 ( si2on2 ) - sic, after two continuous nitrification reacting peak and short - time high - temperature treating, the best properties can be obtained ; and the residual strength of the composite is much higher after the thermal shock resistance test, which shows that the material possesses excellent thermal shock resistance

    本論文較全面地探討促進強度和顯微結構良好的si _ 3n _ 4 ( si _ 2on _ 2 )結合相的實驗條件,實驗數據顯示:引入適量的燒結助劑能夠促進si _ 3n _ 4 ( si _ 2on _ 2 )的生成和晶粒的長大,而過量時,其促進作用反而下降;隨著si粉加入量增加,生成的結合相明顯增多,復合的性能顯著提高;改變sic顆粒不僅影響復合的強度與堆積密度,而且對復合的物相與顯微結構也有影響,隨著顆粒逐漸化,的強度有較大的提高;對復合的強度、物相與顯微結構影響最大的是氮化制度,經過兩個氮化高峰連續的反應和短時間的高溫后處理得到的復合性能最好;通過抗熱震性能實驗后復合的殘余強度較高,顯示出較好的抗熱震性能。
  5. The details as followed : 1. summarize and analyze the methods of meso - mechanics of concrete and researching documents on the theory of damage of concrete ; 2. based on the packing approach of spherical aggregates, a method generating polygon aggregate model of concrete was presented, by which the codes of aggregate packing and meso - meshes of finite element plotting were designed taking into account the actual aggregate content, grading, and aggregate configuration

    具體工作由以下幾個方面: 1 .分析總結了混凝土觀力學分析方法和現有混凝土損傷破壞理論的研究成果; 2 .在研究圓形骨投放方法的基礎上,提出了一種多邊形隨機骨投放方法,並編制了凸多邊形模型生成程序和觀有限元剖分程序。這種生成方法所得到的凸多邊形骨模型既反映了骨的實際形態又維持骨的實際和含量。
  6. In this paper, with complete calculation micro - mechanics method, mass concrete was taken as three - phase composites, which consists of mortar matrix, aggregate and bond between matrix and aggregate. with nonlinear finite element method, the simulation of static and dynamic mechanics performance of the uniaxial compress concrete specimen of dongjiang arch dam and simple supported beam specimen of xiao wan arch dam was studied by means of the software of msc. marc. the number of all kinds of mortar matrix was calculated according to grading of aggregate of three graded concrete and walraven function

    本文採用完全觀計算力學方法,將大體積混凝土在觀層次上看成是由粗骨顆粒、硬化水泥砂漿及其二者之間的粘結界面組成的非均質復合,採用非線性有限元方法,在對大型商業有限元軟體? msc . marc二次開發的基礎上,對東江拱壩的三混凝土軸壓試件、建設中的小灣拱壩三混凝土梁試件在靜、動荷載下的力學性能和破壞過程進行了數值模擬。
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