煤灰污染 的英文怎麼說
中文拼音 [méihuīwūrǎn]
煤灰污染
英文
contamination by coal ash-
This article researches the blown - out concrete technology with reduced slag and fly ash from refining of magnesium in pidgeon technics as its main raw materials, which can quite eliminate the solid contamination during the magnesium producation and use up fly ash partly ; it is of great signficance for the development of clean magnesium industry
摘要探討了以「皮江法」煉鎂的還原渣和粉煤灰為主要原材料生產加氣混凝土的工藝，可以徹底治理鎂生產過程中的固體污染物，消耗了部分粉煤灰，對清潔型鎂業的發展意義重大。A cocktail of aerosols, ash, soot and other particles, the haze ' s reach extends far beyond the study zone of the indian subcontinent, and towards east and southeast asia
這片煙霧里夾雜著懸浮顆粒、灰塵、煤煙灰和其他污染物。如今這片褐雲的覆蓋范圍早已超出了印度半島的研究地帶，正在向亞洲東部和東南部蔓延。Article 23 when coal, gangue, coal cinder, coal ashes or lime is stored in densely inhabited areas, fire and dust prevention measures must be taken in order to prevent atmospheric pollution
第二十三條在人口集中地區存放煤炭、煤矸石、煤渣、煤灰、石灰，必須採取防燃、防塵措施，防止污染大氣。Article 31 when coal, gangue, coal cinder, coal ashes, sandstone, lime soil or other materials is stored in densely inhabited areas, fire and dust prevention measures must be taken in order to prevent atmospheric pollution
第三十一條在人口集中地區存放煤炭、煤矸石、煤渣、煤灰、砂石、灰土等物料，必須採取防燃、防塵措施，防止污染大氣。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。Coal - char pyrolysis, firing, burnt and limestone calcination under o _ ( 2 ) / n _ ( 2 ) oro _ ( 2 ) / co _ ( 2 ) atmosphere were carried on a thermobalance. limestone calcination and sulfuration under o _ ( 2 ) / co _ ( 2 ) atmosphere were tested on a bench scale fluidized bed facility. the characteristics of coal combustion and pollutant emission under o _ ( 2 ) / n _ ( 2 ) or o _ ( 2 ) / co _ ( 2 ) atmosphere were experimented on a circulating fluidized bed multi - function test - facility
在熱天平上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤焦熱解、著火與燃燼反應動力學及石灰石煅燒分解特性研究；在小型流化床試驗臺上進行石灰石在o _ 2 / co _ 2氣氛下的煅燒與硫化反應特性研究；在設計、搭建的循環流化床多功能綜合試驗臺上進行o _ 2 / n _ 2氣氛與o _ 2 / co _ 2氣氛下的煤燃燒特性與污染物排放規律研究。Mass fly ash which is produced by coal combustion power plant has badly polluted entironment and wasted resource
燃煤電廠排放的大量粉煤灰已對生態環境形成了嚴重的污染，並造成了資源的極大浪費。During operation of coal fueled power plant boiler, heat exchange surfaces will be polluted by soot accumulation. this seriously weakened the heat transfer capability from gas to working fluid
在電站燃煤鍋爐的運行過程中，受熱面必然會產生積灰污染，這就大大削弱了煙氣對工質的傳熱能力。The rebuild method for boiler body, burning system, oil burning system, chemic water treatment system, circular water system, electricity generated and transported system, coal transported system, dust eliminated system and electric system have been given out. the solid waste, smoke, waste water and the dust prevented method are studied. the benefits for economy, society and environment after rebuilding are analyzed
本文從國際能源發展趨勢及龍鳳熱電廠的目前現狀出發，論述了油改煤工程的必要性和可行性;對油改煤的四種鍋爐轉型方案進行了科學的分析和論證，確定了立式旋風爐改造方案;給出了鍋爐本體、燃燒系統、燃油系統、化學水處理系統、循環水系統、發送電系統、輸煤系統、除灰系統、電氣系統的具體改造方案;研究了固體廢物、煙氣、廢水及煤塵的污染防止措施;分析了改造后經濟效益、社會效益及環境效益。Control standards of pollutants in fly ash for agricultural use
農用粉煤灰中污染物控制標準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6. the durability of concrete structures resisting chloride diffusion in different water cement ratio and different contents of fly ash and silica was analyzed and durable life was predicted based on the results of the test, which will be helpful to preparation of high performance concrete ( hpc ) as well as durability design and assessment of concrete structures
系統地研究了低水膠比及摻加粉煤灰、硅灰的高性能混凝土的電滲透性和氯離子擴散系數，分析了水膠比以及粉煤灰和硅灰等活性集料對混凝土結構抵抗氯離子侵蝕的耐久性能的影響，並對高性能混凝土結構抗氯離子侵蝕的耐久壽命進行了預測，為氯鹽污染環境下高性能混凝土的配製以及混凝土結構耐久性評估與設計提供參考。Air pollutants consist of particulates and gases. the former contain coal dust smoke, dust, ash and smoke while the latter contain so
空氣污染物大致可區分為固體微粒與有害氣體兩大類，前者包括煤煙、灰塵、飛灰及熏煙，後者包括Abstract : through leaching test about pollutant from fly ash in different media, we get the conclusions of some pollutants. on the basis of the above, this paper gives two mathematical models of density change about pollutant from fly ash in underground water
文摘:通過對不同介質條件下粉煤灰中污染離子的淋釋實驗，得出一些離子淋釋規律，在此基礎上，對粉煤灰中淋釋污染離子在地下水中的濃度變化從理論上給出兩種數學模型。Agricultural application of coal ash and its radioactive contamination to environment
粉煤灰的農業利用及其環境放射性污染評價When the pile possess reinforcment, it can improve the soil ' s physics and mechanics property by the effect of extrusion - vibration and drinking. by chemistry and microcosmic analyzing, it ' s recovered that the activity matter would dissociate out and
相比于其他常用地基處理方法，粉煤灰-石灰-硫酸鹽混凝土樁在施工過程中不僅對環境產生的污染較小，而且樁體材料可全部採用固體廢渣，有非常明顯的環境效益。分享友人