煤為高度 的英文怎麼說
中文拼音 [méiwéigāodù]
煤為高度
英文
coal line-
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。The research results show that when the fly ash content is under 30 %, the strength of rcc can be increased but the effect is a little ; and with the fly ash content increased the dry shrinkage of the rcc reduced straightly, and the abrasion resistance and freeze resistance increased obviously. ( 3 ) fly ash can increase durability of the rcc and under the experiment condition, the perfect mixing content is 30 %
試驗結果表明: ( 1 )粉煤灰摻量小於30 %時能提高碾壓混凝土強度但影響度不大; ( 2 )隨著粉煤灰摻量的增加,碾壓混凝土的干縮呈直線降低,且抗磨性和抗凍融能力明顯提高; ( 3 )粉煤灰能有效提高碾壓混凝土的耐久性,且在試驗條件下的最佳摻量為30 % 。It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g
本論文的主要成果包括以下幾個方面: ( 1 )採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段,探明了以硅灰,超細磨粒化高爐礦渣,優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質;從理論上分析了礦物功能材料在混凝土中的4種效應,即火山灰效應、填充密實效應、微集料效應、表面吸附效應,並由此發揮出增塑、溫峰削減(降熱) ,增強及耐久性改善等作用;通過相關理論分析,推導出礦物功能材料的合理粒徑范圍在5 m 15 m ,即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。They were of the view that adenauer ' s signing of the ecsc treaty together with france and the other four participating countries was aimed at a comprehensive merger, and that this would prevent west germany ' s own high level of economic development from exerting a pull on the hearts and minds of the east german people, and would solidify the partition of the two germanys
他們認為,艾氏和法國以及其他四國共同簽署這個煤鋼共同體的條約是為西歐的整合而來,這不但阻擋了西德透過經濟的高度發展來吸引東德人民的向心力,還鞏固了東、西德的分裂。When fillings is other materials ( unprocessed montmorillonite, powder coal ash, co - composite of powder coal ash and organo - montmorillonite, co - composite ofcarbonizing calcium and organo - montmorillonite ) in the binder and content of organo - montmorillonite in the binder is five percent decided by tensile - shear experiment, tensile - shear strength of binder is up to tiptop ; at the same time, this paper carries out abrasion experiment, and, by comparison, concludes abrasion property of coating is optimum when content of organo - montmorillonite in the binder coating is five percent, and observes abrasion sample under set
當膠粘劑中填料為其它物質(未處理蒙脫土、粉煤灰、粉煤灰和有機化蒙脫土共復合、碳化鈣和有機化蒙脫土共復合)時,通過拉伸剪切試驗確定膠粘劑中有機化蒙脫土含量為5時,膠粘劑的拉伸剪切強度最高;同時進行了沖蝕磨損試驗,通過比較得出,當膠粘劑塗層中有機化蒙脫土含量達到5時,塗層的耐沖蝕磨損性能最佳,並對沖蝕磨損試樣在掃描電子顯微鏡( set )上進行觀察。In the main factory building structure of large - scale thermal power plants, due to its great height and large vertical loads ( such as a furnished for arranging coal bucket between interstory, whose mass is too concentrating ), anti - seismic problem is much outstanding
在大型火力發電廠主廠房結構中,由於其高度較大,且豎向荷載較大(如層間布置有煤斗等質量過于集中的設備) ,故抗震問題較為突出。The technical measures for deep reducing coal moisture were urgent needed due to china devoting major effort to implement the new and high technologies used for coal liquefaction and preparation high purity coal. through the analyses of current situation of technical level for coal drying and dewatering, the paper suggests to take overheat steam produced from power plant as a heat source, use the disk dryer to deeply reduce coal moisture with simple working process and low production cost
本文針對我國人力實施煤炭液化和超純煤制備等高新技術,迫切需要將煤中水分深度脫除的技術手段,通過對我國煤炭乾燥脫水技術現狀與水平的分析,提出以電廠過熱蒸汽為熱源,利用盤式乾燥機,以簡捷的乾燥工藝、低的乾燥成本,深度脫除煤中所含水分的技術方案。On the background of the innovation of the wall material and the current situation of the development in china, the regenerative material is synthetically used to prepare new wall material, including high - environmental - protection steam - maintain fly ash bricks ( hsfab ) and self - aerated lightweight concrete ( salc ). the mechanics characteristic, durability and micro - structure of the new wall material are analysed. it shows that the materials are the perfect replacement products of the traditional solid clay brick. two systems of hsfab - cement - steel slag - fly ash - slag and lime - steel slag - fly ash - slag - are designed to fit for the requirement of performance, cost and environmental - protection, etc.
本課題以國家和地方墻體材料改革政策和發展現狀為背景,綜合利用當地可再生資源研製開發了新型墻體材料體系,該體系包括承重墻體材料? ?高綠色度蒸養粉煤灰磚( high - environmental - protectionsteam - maintainflyashbricks ,以下簡稱hsfab )和非承重墻體材料? ?自發氣輕質混凝土( self - aeratedlightweightconcrete ,以下簡稱為salc ) 。The ignition processes of two stages pc are studied. the influence of particle diameter distribution, parameters of two coal - air mixture, wall temperature of first ignition chamber is investigated
數值模擬方法的建立,為感應加熱煤粉無油點火的研究開拓了研究思路,提高了研究進度,降低了研究成本。For the tectonic coal , the properties of higher porosity and lower permeability make it capable of keeping higher gas pressure ; both of the “ isolating action ” and “ gas - cushion action ” cut down the resistance against outburst ; the specifity of high - defomed - extent makes desorption , escape and flowing quickly become possible ; the existing of weak - seam or “ thoroughfare - seam ” create suitable conditions for the initial erupting and continued developing of coal and gas outburst. on the whole , it is the synhesis action of all factors , which leads to outbursts. the existing of tectonic coal with certain thickess is the essential condition of coal and gas outbursts , but not the sufficient condition
高空隙率、低透氣性使構造煤能夠保持較高的瓦斯壓力;破碎性、 「隔離」作用及「氣墊」作用,使構造煤抵禦外力作用的能力大大降低;構造煤變形幅度大的特性,為瓦斯的迅速解吸、放散和快速流動創造了條件;構造煤薄弱分層或「通道層」的存在,則為煤與瓦斯突出的初始激發和持續發展奠定了基礎;上述因素的共同作用,影響和制約了煤與瓦斯突出的強度和分佈.盡管如此,一定厚度的構造煤的存在只是發生煤與瓦斯突出的必要條件和有利條件,而非充分條件The scc has the following advantages : remarkably reducing the noisy pollution and the worker s labor intensity in construction, deducing the rough surface or segregation because of missing - vibration or excessive - vibration in conventional construction, resolving the quality - defect problems resulting from lacking - vibration in the section of complex shapes and densely - packed reinforcement area. at the same time, large of industrial solid waste such as fly ash and blast furnace slag is utilized in the proportioning of scc. it is helpful in comprehensive utilization of resource and environment protection, so the scc belongs to " green concrete ", it is a branch of hpc which will be developed in the future
這種混凝土可以顯著降低混凝土施工中的噪音污染;大幅度減輕工人的勞動強度;減少傳統混凝土施工中因漏振或過振造成的麻面或離析;解決了配筋密集、結構復雜部位因振搗不足而造成的質量缺陷問題;同時,由於自密實混凝土在配製中,大量利用粉煤灰、高爐礦渣等工業固體廢棄物,有利於資源的綜合利用和生態環境的保護;從而被譽為「綠色混凝土」 ,是未來混凝土向高性能發展的方向之一。Eight of input and state variables of blast furnace, i. e. silicon content, irregular coke charge, coal injection, blast pressure, blast temperature, blast volume, batch of charge in a tapping period, ratio of ore - to - coke in charge, are considered as input of prediction model
採用天津鐵廠1 #高爐的[ si ]含量、鐵間料批數、熱風壓力、實際噴煤量、冷風流量、熱風溫度、凈焦加入量、焦炭負荷等8個影響因素作為預測模型的主要輸入變量。Anthracite - based hsaac prepared by activation with koh, is mainly of micropores smaller than 2nm. we can increase the proportionality of its mesopores ( > 2 nm ) by increasing koh, activating temperature and suitable activating time
以koh作活化劑制備的無煙煤基hsaac ,其孔徑分佈以直徑小於2nm的微孔為主。增加活化劑的用量,提高活化溫度,適當延長活化時間,可以增加無煙煤基hsaac中孔徑大於2nm的中孔的比例。In this paper, the high surface area activated carbon ( hsaac ) was prepared from low - ashed anthracite by the activation of koh. the influences of the ratio of koh to anthracite, the activating temperature and activating time on yield, adsorption properties, pore structure and capacitance characteristic of hsaac had been investigated. based on these, the technologic methods and conditions of controlling structure and properties of hsaac have been established
本文以超低灰無煙煤為原料,採用koh化學活化法制備高比表面積活性炭( highsurfaceareaactivatedcarbon ,簡稱hsaac ) ,系統考察了堿炭比,活化溫度和活化時間等工藝因素對hsaac的收率、吸附性能、孔結構和電容特性的影響,確立了調控hsaac結構和性能的工藝方法和工藝條件。Abstract : sewage sludge briquette made of 2 % ( dry basis ) sewage sludge, 0. 3 % white earth, and coal powder was studied under conditions of briquette similar to modeling and gasificaition for briquette on ammonia synthesis. briguette with white earth was taken as a reference. the results showed that rate of gasification of sewage sludge briquette was 50 % higher than that of briquette of white earth at 1100. ash melting point of sewage sludge briquette reached 1440 which satisfied the requirement of gasification of ammonia synthesis. results showed that no pollution took place in these processes, and the gas generated can meet the demand of ammonia synthesis
文摘:以污泥添加量為2 % (干基)白泥添加量為0 . 3 % (干基)所制得的污泥型煤為研究對象,以白泥添加量為5 . 5 %的白泥型煤作為參照,考察了污泥型煤的氣化特性和二次污染.研究結果表明,在1100以上高溫下,污泥型煤的氣化速率比白泥型煤高50 %以上;污泥型煤的灰渣軟化溫度達1440 ,能滿足合成氨氣化要求;污泥型煤無二次污染,其氣化成分符合合成氨原料氣的要求Abstract : the initial position and velocity of pulverized coal at oxygen - coal lance outlet has been proposed, thus injection of pulverized coal in the blast furnace can be simulated
文摘:給出了氧煤槍出口處煤粉顆粒初始位置和初始速度的分佈,從而為高爐煤粉噴吹的數值模擬打下了基礎Entering into coal trade embodies joinworld ' s high level of vertical integration, but this is an absolutely necessary action to soften coal resource price - rising, and is a safe action to solve problems influencing strategy performance. it will affect the healthiness of the whole strategy
進入煤炭行業體現了眾和戰略的高度縱向一體化,但這是為了弱化煤炭資源漲價的不得已行為,是為了解決影響戰略實施的問題的挽救行為,它將影響到整體戰略的健康性。Based on above research results, mechanism of the mixture features is studied by some methods, such as chemical analysis, electron microscope and x - raying and so on to explain the characteristic principle. research conclusion confirms it is the high content of useful fly - ash composition and the high structure polymeric degree that lime fly - ash mixture not only can present possibility of delayed base compaction and strength regeneration compared with other base materials but also can take continuous construction process to compact base course and pavement
認為正是粉煤灰具有的高比例有效成分含量,以及結構上呈現的高度聚合的穩定性,使粉煤灰石灰混合料與其它常見的半剛性基層材料相比,不但能表現出顯著的碾壓成型的可延遲性、結構強度的可恢復性,而且還具有在一定條件下能夠採用基層和瀝青面層連續施工的獨特性質。As the neural network has self - organize, sell - learn, collateral distributing manage, strong fault tolerant and robustness, we combined the evidential theory and the neural network and put forward a two - step fusion method. we can get the scale and the variety trend of the coal mass with this two - step fusion method. this would supply the effective guarantee to the automation and running of the ball milling plant
因而利用神經網路具有的自組織、自學習、并行分佈處理、高度容錯性和魯棒性的特點,將證據理論與神經網路理論相結合得到了一種兩級融合方法,該方法用於存煤量的測量能夠有效判別出存煤量的數值范圍及變化趨勢,為球磨機自動控制的投入和運行操作提供了有效的保證。The dissertation which based on the problems existing in coal industrial organization about the very scattered market structure, the market conduct of exceeded competition and the lower market performance etc, applying the scp theory, the theory of monopoly and competition, the theory of system science and other math method studies the market structure of coal industry, the market conduct of coal industry, the market performance of coal in dustry, the goal of coal industrial organization and the development of the ability of coal enterprise ' s self - organization. 1. the dissertation based on the scp theory which is the pattern of analyzing the coal industrial organization theory and the theory of monopoly and competition which is the basis of optimizing industrial organization
本文正是力圖為我國煤炭產業可持續發展,針對煤炭產業組織存在的高度分散的市場結構、過度競爭的市場行為和難以為繼的市場績效等問題,採用壟斷競爭理論和scp理論及相關的系統科學理論和數學手段,通過實證分析煤炭產業的市場結構、市場行為、市場績效和煤炭產業組織目標及煤炭企業自組織能力成長,在煤炭產業組織優化理論方面進行了如下研究: 1 、以scp理論作理論分析範式,以壟斷競爭理論作為煤炭產業組織優化的目標依據,通過對我國煤炭產業市場結構、市場行為、市場績效以及產業組織優化目標模式與實現目標途徑等方面進行了系統的審視、剖析和研究,建立了煤炭產業組織優化的基本理論。分享友人