natural cement 中文意思是什麼

natural cement 解釋
天然水泥
  • natural : adj 1 自然界的；關于自然界的。2 天然的；未開墾的；野生的。3 固有的 生來的 天賦的（opp acquired）...
  • cement : n 1 水泥。2 膠泥；膠合劑，接合劑，膠；【醫學】（牙科等用的）黏固粉。3 【解剖學】（牙齒的）白堊質...
  1. The activatory coal gangue powder ( acgp ), ground cement clinker and natural gypsum are mixed by different ratios to prepare blended cement specimens, and its mortar compressive strength performance, water usage for standard consistency, and flowability of mortar are investigated

    摘要將經燃燒等過程進行活化處理的煤矸石細粉與磨至一定比表面積的水泥熟料及天然生石膏混合均勻，製成了活化謀矸石粉摻量比例不同的多組混合水泥，並對其膠砂強度性能、標準稠度用水量、膠砂流動度進行了實驗檢測。
  2. The main content is : splitting tensile experiments were carried out about the standardized cube bonding specimens ( 150x 150x 150mm3 ) of the new - old concrete after high temperature. the temperature is divided into 9 groups from normal atmospheric temperature to 900, the cooling styles are natural cooling and spraying water cooling ; different interfacial treating methods : brushed with steel - wire brush, man - made chiseling ( not evenly ), man - made chiseling ( quite evenly ) ; different interfacial agents : no interfacial agent, neat cement paste, cement paste mixed with 10 % expanding agent

    主要內容有：本文對75個高溫作用后的標準立方體新老混凝土粘結試件進行了劈拉試驗，溫度從常溫到900c分9個溫度段，降溫方式分自然冷卻和噴水冷卻兩種。著重考察了溫度、降溫方式、界面粗糙度及界面劑對新老混凝土粘結劈拉強度的影響規律，闡述了高溫后粘結強度下降的機理。
  3. Effect of hot - pressing temperature and natural curing time on properties of fast - curing cement particle board

    熱壓溫度和養護時間對快速固化水泥刨花板性能的影響
  4. In charge of one of major subjects of the national eighth five - year plan, i. e. " study on shotcreting techniques of polyacrylate emulsion cement mortar for impermeability coating of pu ding rcc dam ", the achievement of which has been appraised by the ministry of electric power and evaluated as reaching national leading level. 2. in charge of the major subject aided by the committee of national natural science funds, " study on durability of high bolumes of fly ash concrete ", the first phase achievement of which has been commended by the committee. 3. in charge of one of major subjects of the national ninth five - year plan, i. e. " study on high performance concrete in marine engineering, design and construction ". 4. acting as one of editors - in - chief of " technical specification for abrasion and cavities resistance of concrete in hydraulic structures ", which is issued by the ministry of water resources. 5. by providing the repairing and strengthening schemes on seepage and cracks of the basement of nanjing lukou international airport, the air traffic opening of the airport was ensured as scheduled. 6. consulting services on techniques of high performance and abrasion - erosion resistance concrete for three - gorges project, anti - corrosion of reinforced concrete strutures for the ore port of shanghai baoshan iron and steel works, mass fly ash concrete for jiangyin yangtze river bridge and pumping concrete for nanjing yangtze river second bridge

    主持國家「八五」攻關項目「普定碾壓混凝土壩上游面丙乳砂漿防滲層大面積施工工藝研究」 ，成果通過部級鑒定，評價屬國內領先水平； 2 .主持國家自然科學基金重大項目「高摻量粉煤灰混凝土的長期性能研究「 ，階段成果獲國家自然科學基金委通報表彰與獎勵； 3 .主持國家「九五」攻關項目「海工高性能混凝土成套技術研究」 ； 4 .水利部「水工混凝土抗沖磨防空蝕技術規范」的主編之一； 5 .為南京祿口國際機場地下室修漏與裂縫補提出技術方案被采納並實施，為機場如期通航作出貢獻； 6 .為三峽工程抗沖磨高性能混凝土技術、上海寶鋼礦石碼頭鋼筋混凝土防腐蝕技術、江陰長江大橋大體積粉煤灰混凝土技術、南京長江二橋泵送混凝土技術等提供咨詢建議。
  5. Hydraulic binders. prompt natural cement

    水硬性膠結劑.快硬水泥
  6. Cover water conservation use, average temperatures above + 5 c using natural conditions, the use of appropriate materials on the concrete surface to be covered and watered, in the concrete cement hydration within a certain period of time required to maintain the proper temperature and humidity conditions

    採用覆蓋澆水養護，利用平均氣溫高於5的自然條件，用適當的材料對混凝土表面加以覆蓋並澆水，使混凝土在一定的時間內保持水泥水化作用所需要的適當溫度和濕度條件
  7. As a kind of cement retarder, normal setting time and good effect for mechanical properties and soundness of cement can be got when adding desulfurization gypsum in cement, so it can used instead of natural gypsum to produce cement entirely, coal gangue is activated and coal ash desulfurized have good active, can improve cement output and also can depress consumption when them be used as mixed material, have well economic and environmental effects

    脫硫石膏作水泥緩凝劑時，水泥的安定性、凝結時間正常，可改善水泥的力學性能，完全可替代天然石膏；活化后的煤矸石和脫硫煤灰具有較好的活性，用作水泥混合材可增加水泥產量、降低生產成本，具有良好的經濟和環境效益。
  8. Standard test methods for sampling and testing fly ash or natural pozzolans for use in portland - cement concrete

    硅酸鹽水泥混凝土中使用的飛灰或天然火山灰的取樣和試驗用標準試驗方法
  9. This paper presents design principle and method of asphalt concrete pavement typical construction and cement concrete pavement typical construction, formulates typical construction drawing of two type pavement and workouts pavement typical construction computer aided design, by summarizing and absorbing research production of home and abroad, considering different natural conditions, grade of road and traffic volume in ningxia, and collecting a mass of engineering datum, calculating and checking

    本文通過總結與吸收近年來國內外路面典型結構的研究成果，考慮寧夏地區不同的自然條件、道路等級和行車荷載條件，在大量計算、驗算的基礎上，提出適用於寧夏公路的瀝青混凝土路面典型結構和水泥混凝土路面典型結構的設計原則和方法，具體擬定了兩種類型路面的典型結構圖，並編制了公路路面典型結構計算機輔助設計程序。
  10. The human source includes emissions from motor vehicles and industrial processes, e. g., power stations, fugitive dust from cement works, construction and demolition activities. the natural source includes soil, salt and pollens

    空氣中總懸浮粒子有兩大來源，人為的來源包括車輛廢氣發電廠排出的廢氣以及在製造水泥或建築工程中產生的塵埃，而天然的來源包括泥土鹽及花粉等等。
  11. Petroleum and natural gas industries - cements and materials for well cementing - testing of deepwater well cement formulations

    石油和天然氣工業.固井用水泥和材料.深水井水泥配方的試驗
  12. Petroleum and natural gas industries - cements and materials for well cementing - part 3 : testing of deepwater well cement formulations

    石油和天然氣工業.固井用水泥和材料.深水井水泥配方的試驗
  13. Petroleum and natural gas industries - cements and materials for well cementing - part 3 : testing of deepwater well cement formulations iso 10426 - 3 : 2003 ; english version en iso 10426 - 3 : 2004

    石油和天然氣工業.油井固井用水泥和材料.第3部分:深
  14. Petroleum and natural gas industries - cements and materials for well cementing - determination of shrinkage and expansion of well cement formulations at atmospheric pressure

    石油和天然氣工業.油井固井用水泥和材料.在大壓力下固井水泥加工制劑的收縮和膨脹的測定
  15. Petroleum and natural gas industries - cements and materials for well cementing - part 5 : determination of shrinkage and expansion of well cement formulations at atmospheric pressure

    石油和天然氣工業.油井固井用水泥和材料.第5部分:在大氣壓力下固井水泥加工制劑的收縮和膨脹測定
  16. Petroleum and natural gas industries - cements and materials for well cementing - part 5 : determination of shrinkage and expansion of well cement formulations at atmospheric pressure iso 10426 - 5 : 2004 ; english version en iso 10426 - 5 : 2005

    石油和天然氣工業.油井固井用水泥和材料.第5部分:在大
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