portland can 中文意思是什麼

portland can 解釋
波特蘭水道
  • portland : n. 1. 波特蘭〈姓氏〉。2. 波特蘭〈美國港市〉。3. 波特蘭監獄〈英國 Dorsetshire 的監獄〉 （＝Portland prison）。
  • can : n 1 〈美國〉罐頭，聽頭（＝〈英國〉tin）；（裝液體的）鐵罐，玻璃罐（等）；一罐（之量）；茶杯。2 〈...
  1. The experimental results show that these models can express precisely the isotherm hydration heat emission curve of portland cement and the autogenous shrinkage process of concrete prepared with portland cement

    實測數據檢驗結果表明，這2個模型可以用於模擬硅酸鹽水泥的等溫水化放熱曲線，以及用硅酸鹽水泥配製的混凝土的自收縮發展過程。
  2. So you gonna go to portland ? - no, i can ' t

    那你打算去portland ？ -不我不能去
  3. - so you gonna go to portland ? - no, i can ' t

    -那你打算去portland ？ -不我不能去
  4. An iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物，可獲得鐵品位大於20 %的含鐵物料，用此物料代替部分粘土質原料生產硅酸鹽水泥，使礦山尾礦排放量減少至43 . 52 % ，鐵的回收率由70 . 89 %提高到84 . 62 % ，並且減少了水泥生料配料中鐵礦粉的用量，降低了生料粉磨能耗。
  5. Cementitious capillary crystalline waterproofing coating ( abbreviated ccwc ) is a new type of cement - based waterproofing materials, which is characterized by its very good adhesive performance and impermeability to water, self - rehabilitating ability, permanent waterproofing effect, good aging resistance and corrosion resistance, simple construction method and harmless to hunman etc. ccwc consists of ordinary portland cement, quartz sand and reactive substances and other supplementary ingredients, whose reactive substance can permeate into the internal part of concrete structures through water and produce insoluble crystals filling capillary pores or crack of the concret through reaction with cement hydrates and unhydrates

    水泥基滲透結晶型防水材料是以硅酸鹽水泥或普通硅酸鹽水泥、石英砂等為基材，摻入活性化學物質而組成的一種新型防水材料。摻入的活性化學物質以水作載體向混凝土內部滲透，與混凝土中未水化的水泥及部分水泥水化產物發生結晶反應，生成不溶於水的結晶體，堵塞毛細孔道，使混凝土緻密、防水。這種防水材料具有粘結力強、抗滲性能好、自愈合能力強、防水效果持久、耐老化、耐腐蝕、易施工、對人類無害等特點。
  6. In this paper, a series of ultra - fine fly ash composite powder ( cufa ii ) products for rapid repair are researched and developed successly with the ultra - fine fly ash as matrix. cufa ii can replace cement equivalently more than 30 %. high performance rapid repair concrete ( hprrc ) in which cufa ii replaces cement equivalently more than 30 % can meet the requirements of opening traffic within 12 ~ 48h, which solves the problem of opening traffic as soon as possible after damaged portland cement concrete pavement are repaired for a whole plate, and the engineering cost is lowered greatly

    本文以超細粉煤灰為基材，研製並開發出粉煤灰復合超細粉快速修補專用摻合料（ cufa ）系列產品，等量取代水泥30 ，配製的高性能快速修補砼（ hprrc ）在12 48h內達到開放交通的要求，解決了破損的水泥砼路面整板翻修后快速開放交通這一問題，並大大降低工程成本。
  7. To further minimise the problem caused by wastewater found in the communal drains, the drainage services department had installed a dry - weather flow interceptor in the section of the underground communal drainage system around the intersection of dundas street and portland street. during dry weather, the interceptor can intercept the wastewater discharged into the communal drainage system and divert it back to the communal sewerage system

    為進一步減低流入公用排水渠的污水所造成的問題，渠務署亦已於登打士街和?蘭街交界的地下公用排水系統設置旱流污水截流設施，在無雨的時候將排放到公用排水系統中的污水引回公用污水系統。
  8. The main achievements in this paper are as following : 1 based on the systematical study about physical properties, particle morphologies and micro - mechanism of ultra - fine fly ash, cufa ii products are successly developed by means of optimizing the particle gradation and activation technique. hprrc composed of cufa ii products and with the strength grade no less than 32. 5r ordinary portland cement can meet the minimum strength index demands. at present, cufa ii has been produced commercially and applied to engineering

    本文主要研究成果如下： 1 、在系統研究了超細粉煤灰的物理性能、形貌、粉體效應微觀機理的基礎上，採用粉體優化組合、活化激發技術，復配的cufa產品與32 . 5r及以上的普通硅酸鹽水泥配製的hprrc可達到12 48h開放交通所需的最低強度指標要求；該產品己工業化生產並推廣應用。
  9. Portland has a romantic name, " rose city ". you can see beautiful flowers and scenery all through the year. music here ， just like flowers blooms in people ' s hearts

    波特蘭有一個浪漫的名字叫「玫瑰之城」 ，這里四季鮮花盛開，風景優美。這里的音樂就像花朵一樣盛開在人們心中。
  10. Abstract : an iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    文摘:用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物，可獲得鐵品位大於20 %的含鐵物料，用此物料代替部分粘土質原料生產硅酸鹽水泥，使礦山尾礦排放量減少至43 . 52 % ，鐵的回收率由70 . 89 %提高到84 . 62 % ，並且減少了水泥生料配料中鐵礦粉的用量，降低了生料粉磨能耗。
  11. I pulled them out of a garbage can somewhere in portland

    從波特蘭某旮旯的一垃圾桶里翻出來的
  12. The essay researched the compressive strength, bending strength, impact resistance and abrasion resistance of high strength polypropylene fibermesh concrete the mechanism of enhancing the properties of high strengh poloypropylence fibemesh road concrete composite was discussed and analyzed the regression on tensile strengh with portland cement mixed with fiber was derived using experiment the tensile strength of fiber soil stablization with porland cement was increased with dosage and length of fiber while the former was more effective than the latter test and analysis results indicate that polypropylene fiber can not only reinforce the strength of concrete, but also obviously promote the flexural fatigue life by the great stress the application of polypropylence fiber reinforced concrete in pavement construcion are also introduced

    文章研究了不同摻量有機纖維混凝土的抗壓、抗折強度、抗沖及性能、疲勞性能及耐磨性等各種路用性能，綜合論述了有機纖維對水泥混凝土路用性能的影響。通過試驗闡述了纖維水泥混凝土各種路用性能與纖維摻量、長度間的關系。分析表明纖維水泥混凝土隨著纖維摻量和長度增加而增加，且纖維摻量對纖維混凝土抗拉強度的影響比纖維長度的影響更大。
  13. The concrete ’ s anti - frozen can reflect concrete ’ s synthesis durability in the certain degree. this paper changed the former research mentality which enhanced concrete anti - frozen to use an extra material, aimed at the inner mongolian characteristic, utilized compound cement substituted ordinary portland cement, mixed the dula - fiber, the grade 2 inner mongolian pulverized coal ash, the extra material that was highly effective reduces the quantity of water outside the concrete to improve the concrete ’ s main performance, especially the concrete ’ s anti - frozen

    混凝土抗凍性在一定程度上能夠反映混凝土的綜合耐久性能，本論文改變以往提高混凝土抗凍性只採用一種外摻料的單一研究思路，針對內蒙古地區特點，運用復合水泥取代普通硅酸鹽水泥，在混凝土中摻入杜拉纖維、內蒙2級粉煤灰、荼系高效減水劑三種外摻料，來提高混凝土的主要性能，尤其是混凝土的抗凍性。
  14. I can ' t help but think longingly of my hometown, portland

    我忍不住懷念起我的家鄉波特蘭。
  15. The influence of retarder on the seaing time and ultimate strength of gypsum plaster was investigated in this paper. the experimental results indicate that the effect of single retarder, such as citric acid, is inferior to that of composite retarder which was made of blending citric acid with a few portland cement ( about 0. 5 ?, by weight ). the effect of different water - retention agents, such as polyvinyl alcohol ( pva ), carboxymethyl cellulose ( cmc ), and na - bentonite, etc., was also studied, and the results demonstrate that by means of adding organic and inorganic water - retention agent simultaneously the water - retention of plastering slurry can obviously be improved. the optimal mix proportion of gypsum plaster suitable to finish coat of walls and ceilings of buildings has been got by use of factorial experiment with orthogonal array accounting for interactions between factors each other

    研究了分別以檸檬酸、檸檬酸與普通硅酸鹽水泥復合物作緩凝劑，調節粉刷石膏的凝結時間，並對比2種緩凝體系對石膏抗折、抗壓強度的影響.比較不同保水劑（聚乙烯醇、羧甲基纖維素）以及相同量的保水劑在不同工藝流程下保水效果上的區別.探索了有機保水劑和無機保水劑對粉刷石膏的保水性的影響.結果表明，檸檬酸與普通硅酸鹽水泥的復合緩凝劑比單純的檸檬酸更能有效地延緩建築石膏的凝結，同時建築石膏的抗折、抗壓強度降低幅度減小
  16. Depending on the densified system containing homogeneously arrayed ultra - fine particles ( dsp ) and the basic principles of reactive powder concrete ( rpc ) adopted by foreign researchers specialized in building materials, considering the characteristics of ultra - fine addition which can improve the workability and micro - structure of cement based materials and enhance the cementitious materials " packing density, we added blast slag silica fume crushed quartz superplasticizer and steel fiber into portland cement to produce the rpc by normal technology methods

    本文以活性粉末混凝土（ reactivepowderconcrete ，簡稱rpc ）的基本配製原理為基礎，結合近幾年來人們對高性能混凝土研究所提出的要求，選擇適合本地實情的材料，在傳統rpc的配製基礎上，摻入礦渣組分，配製出了抗壓強度達135mpa的活性粉末混凝土材料。本文對摻礦渣rpc的配製技術及其相關的性能作了系統的研究。
  17. By far the primary methods to improve the quality of cement concrete is to vary the ratio of differete conpound, but of effection is not evidently the tensile strength and toughness of soil stabilization with portland cement mixed fiber obtained is higher than those of the soil stabilization with portland cenment. adding polypropylene to cement concrete can increase the conrete pavement performance, improve the flexural fatigue property

    目前，提高水泥路面使用品質的途徑之一就是通過改善水泥混凝土的配合比來提高水泥混凝土的各種路用性能，但是其實際使用效果並不是很顯著。採用在水泥混凝土中摻加纖維的方法可以獲得比普通水泥混凝土抗拉強度和韌性更高的纖維混凝土。從而大幅度的提高混凝土的彎曲疲勞等路用性能。
  18. Adelman has proven he can take a team to the nba finals, having taken portland there twice

    阿德爾曼已經證明他能率隊打進總決賽，他兩次把開拓者帶入決賽。
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