粒度級配 的英文怎麼說

中文拼音 [pèi]
粒度級配 英文
grain size distribution
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 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...
  1. We also attainted mosi2 / sic composite by using melting mosi2 infiltrated sic body which shaped by sic powder. the result show that the diameters of sic particle and shaping methods have effect on the composite ' s microstructure and properties

    另外,嘗試了用mosi _ 2在2050下浸滲直接由sic粉體成型的坯體制備mosi _ 2 / sic復合材料。採用sic顆有利於提高坯體密,但是降低燒結體的緻密
  2. Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled

    課題研究中,首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆表面的成功改性,使其表面由憎水轉化為完全親水,確保與無機材料的復合質量;其次,通過採用優化骨料及使用復合纖維等措施解決了保溫材料的輕質與強的矛盾,使保溫材料在滿足必要的強的前提下,導熱系數降至最小;並且,課題研究中成功解決了纖維在保溫材料中均勻分散的問題,達到了抑制保溫材料收縮的目的;最後,通過採用復合外加劑、合適的膠凝材料及合理的比等措施確保該保溫材料具有良好的和易性,滿足施工的要求。
  3. Based on in - situ investigation and laboratory experiments, the article analyzed in detail the factors which affect the transportation and strength characteristics of gangue cemented tailing grain fillings such as powder coal, water - reducer, mortar density and grain size distribution

    摘要以現場調查和室內實驗為基礎,從粉煤灰、減水劑、漿體濃等方面,對煤矸石作為膠結充填骨料的管道輸送特性和強特性進行了詳細的分析。
  4. Coal slurries were found to exhibit a wide spectrum of flow behavior ranging from newtonian at low concentrations to shear - thinning and pseudoplastic with a yield stress at higher concentrations

    利用雙峰理論,將粗顆煤粉加入細顆中可降低煤漿體系的黏
  5. By force of testing the performance of prepared tricalcium phosphate ceramic, this paper briefly analysis the effect of the proportion and granule degree relation match of the aggregate and the pore - making agent on the performance of p - tcp bioceramics in the preparation of raw materials

    通過對制備出樣品的性能測試,本文簡要討論了骨料與成孔劑的顆粒度級配及兩者的比例關系對生物陶瓷的性能的影響。
  6. Soil hydraulic characteristic parameters can be estimated accurately using the pedo - transfer functions ( ptfs ) depending on soil fundamental parameters which are easy to get such as grading of soil, organic content and bulk density. pedo - transfer functions ( ptfs ) have been developed by two methods in this paper with data measured at keerqin sandy land

    然而可以通過容易得到並能保證試驗精的土壤基本物化特徵參數,如:顆、有機質含量和土壤容重等,利用土壤傳遞函數( ptfs )可以較準確地估算出土壤水力特性參數。
  7. 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理論,研製了一種以工業漂珠為減輕劑、以超細膠凝材料為增強劑的新型低密、高強防氣竄水泥漿體系。
  8. Because the best grade limits does not vary with material property, firstly, we can confine material grade to the best grade limits when doing subbase mixture design, secondly, after systematic temperature contraction test, aridity contraction test and compressive strength correction test, we can determine the best cement percentage which has the best crack resistance property

    因為最佳范圍是與料的徑大小有關的,所以在基層材料合比設計時可首先將材料限制在最佳范圍以內,然後通過系統的溫縮、干縮性能試驗以及抗壓強校核試驗,最終確定抗裂性較好的合理水泥劑量。
  9. This paper gives a brief introduction of the formation mechanism of sma and the handing property of pavement from the aspects of theory and research. at the same time, this paper also studies the effect of aggregate size on road - related performance in some different grads. except, it also having inspected to use the sbs, the pe and the combination material of sbs and pe to analyze the influence to the function of material road

    瀝青瑪蹄脂碎石混合料( sma )以其溫穩定性好、抗滑性能優良、低噪音、使用耐久等優點在公路建設中越來越受到重視,本文對sma組成特點,強形成機理與路面使用性能從理論和試驗研究角進行論述,並針對不同的瀝青瑪蹄脂碎石混合料,分析了粗、細集料的徑變化對其路用性能的影響,同時也考察了用sbs 、 pe 、 sbs和pe復合改性后的瀝青結合料對混合料的路用性能影響。
  10. The pure sample with spinel structure can be easily prepared by optimizing the processing parameters. the typical product is limnio4 with the cell constant a = 8. 235 and the powder size belongs to nanometer and sub - micrometer

    表明用改進的檸檬酸合法可以合成出單相正尖晶石limn _ 2o _ 4 ,其典型的試樣組成為limn _ 2o _ 4 ,晶格常數= 8 . 235 ,大小為納米
  11. Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case

    文摘:針對水石流顆粗,粘性小的特點,提出了利用水槽進行分段模擬水石流的設想,首次通過幾何變率解決難較大的阻力相似問題,改變了以往過加糙的方式;通過變徑比尺的方法消除了模型沙不連續相似的問題,較好地實現了固體物質相似,達到了泥石流的密相似和輸沙相似.通過水槽概化模型試驗實例,對本方法進行了驗證
  12. The research results show that aggregate gradation and the nominal maximum aggregate size evidently influence the shear resistance of asphalt mixture ; aggregate flakiness content influences the shear resistance of asphalt mixture, and with the increase of aggregate flakiness content the shear resistance of asphalt mixture decreases ; asphalt binder properties, especially penetration, softening point and viscosity influence the shear resistance of asphalt mixture, and the latter increases with the decrease of penetration and the increase of softening point and viscosity ; asphalt content influences shear resistance of asphalt mixture, and with the increase of binder / aggregate ratio the shear resistance of asphalt mixture decreases ; air void influences shear resistance of asphalt mixture, and usually with the increase of air void the shear resistance of asphalt mixture decreases ; homogeneity does not have a direct and obvious relationship with absolute value of shear resistance of asphalt mixture, but does with variation of shear resistance of asphalt mixture

    研究結果表明:集料和公稱最大集料徑對瀝青混合料抗剪強有顯著的影響;瀝青混合料抗剪強受其集料中針片狀含量的影響較大,集料中針片狀含量增大,瀝青混合料抗剪強減小;結合料的性質,特別是針入、軟化點和粘對瀝青混合料抗剪強有較大的影響,隨著針入減小,軟化點和粘增大,瀝青混合料抗剪強增大;含油量對瀝青混合料抗剪強有較大影響,隨著油石比的增大,瀝青混合料抗剪強減小;瀝青混合料抗剪強受其空隙率的影響較大,一般隨著空隙率的增大,其抗剪強減小;瀝青混合料均勻性與瀝青混合料抗剪強絕對數值間沒有明顯的關聯,而與數值間的變異性有著很好的相關性。
  13. This paper deals with high fluid concrete in which high strength ceramsite made from shale was used as coarse aggregate. effects of cement content, water - cement ratio, sand percentage, mineral admixture, grading and pretreatment of lightweight aggregate on compressive strength and workability of high fluid structural lightweight aggregate concrete have been studied. the rules of water absorption of high strength lightweight aggregate under different pressure and effects on uniformity of high fluid structural lightweight aggregate concrete have been studied too

    本文採用高強頁巖陶,摻加高效減水劑製大流動性結構輕集料混凝土,討論了水泥用量、水灰比、砂率、礦物摻料及輕集料的和預濕方式對大流動性結構輕集料混凝土強和工作性的影響;系統研究了高強陶在常壓和壓力下的吸水規律;研究了影響大流動性結構輕集料混凝土勻質性的因素,提出了解決大流動性結構輕集料混凝土分層離析的具體措施。
  14. 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

    通過分析特細山砂和機制砂的顆形態、粉末含量、顆等特性對自密實混凝土的工作性能和力學性能的影響,發現特細山砂、機制砂不宜單獨用於製中低強自密實混凝土,宜將特細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料,優化合比設計,可生產c20 c40中低強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,有效解決了中低強自密實混凝土由於膠凝材料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。
  15. Liquefaction of saturated sands is a greatly complicated phenomenon. its generation, development and dissipation are restricted by physical property, stresscondition and boundary condition of soils. in addition, there are a lot of influencing factors such as density, structure property , clay content, degree of saturation, gradation, hydraulic conductivity, initial stress condition and dynamic load character and so on

    砂土液化是一種相當復雜的現象,它的產生、發展和消散主要由土的物理性質、受力狀態和邊界條件所制約,存在許多影響因素,例如土的密、土的結構性、粘含量、飽和、透水性能以及初始應力狀態和動荷載特徵等。
  16. The results showed that the gradation, which designed by volumetric methods, has perfect water - stability and other pavement performance also can meet the demands of expressway. by integrating compaction capacity and pavement performances, the optimal ratio of the structural layer thickness to the maximum particle - size is 2. 5. the water resistance of the mixture added amine type anti - stripping agent attenuates severely after long - term aging, but the mixture added hydrated lime not only can improve obviously the capacity of water resistance, but also has perfect long - term pavement performance

    研究結果表明,採用體積法設計的不僅具有較好的水穩定性而且其它路用性能均滿足高速公路面層的要求;綜合考慮壓實性能及路用性能,提出了瀝青路面表面層結構層厚與混合料最大徑的合理比例為2 . 5 ;摻有液體胺類抗剝落劑的瀝青混合料經長期老化后其抗水損害能力衰減嚴重,而摻加消石灰的混合料能顯著提高其抗水損害能力,且長期性能較好,是一種優良的抗剝落劑。
  17. The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et

    公路沿線廣泛分佈有昔格達地層,昔格達地層能否用作高速公路路基填料,國內沒有先例,本論文就是結合導師的科研項目,在非典期間,現場長達5個月的工作,完成了從試驗、現場施工工藝到路堤分層沉降監測等工作,是面對生產實際,認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有:對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析,研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響,通過地區地震活動頻繁,差異沉降較大,對公路建設、安全運行和沿線構築物設計有較大影響;由於昔格達地層在有些路段作為地基、有些作為路基,對其基本性質進行了研究:包括天然密、含水量、塑液限、顆等指標的試驗研究。研究成果表明:昔格達地層為湖相沉積,主要為砂巖和泥巖,它以細組為主,同時粘的存在,使其具有一定粘性。
  18. 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,復合材料的性能顯著提高;改變sic顆不僅影響復合材料的強與堆積密,而且對復合材料的物相與顯微結構也有影響,隨著顆逐漸細化,材料的強有較大的提高;對復合材料的強、物相與顯微結構影響最大的是氮化制,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材料性能最好;通過抗熱震性能實驗后復合材料的殘余強較高,顯示出較好的抗熱震性能。
  19. Increasing its strength by adjusting granularity of sic is an effective way to optimize its thermal shock resistance

    通過調整sic的、顆和加入量提高抗彎強是優化其抗熱震性能的有效方法。
  20. The bodys slip - remained level and erectile capability in high & media pressure casting is defined, and the relationship between which and the work data such as slip temperature content of fine clay grain size distribution and press procedure is introduced too

    介紹了高中壓注漿成形坯體的挺形性、空漿性以及它們和泥漿溫、泥漿塑性土含量、泥漿顆以及壓力制的關系。
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