为了有效利用石粉资源,本文对石灰岩石粉代替粉煤灰作混凝土矿物掺合料的可用性进行了研究。
In this paper the usability of a quarry dust limestone powder in concrete applications substituted for fly ash as mineral admixture is investigated.
讨论生石灰深层搅拌强度形成机理,加固处理软基的有效性和应用条件。
Generated mechanism on intensity of deep mixing pile of calcium lime, validity and applied terms of reinforcing soft soil foundation are treated of.
对于含泥浆较多的物质或石灰岩,其总孔隙度和有效孔隙度会有很大差别。
For more highly cemented materials and limestones, significant difference in total porosity and effective porosity values may occur.
因此,采取有效措施制备高活性度石灰和强化碳化反应过程具有十分重要的意义。
It's very important to prepare lime with high activity and improve carbonization process by taking effective measures.
当砂浆含有石灰石粉时,由于石灰石粉具有填充效应,能有效地改善砂浆的孔结构,降低其孔隙率。
When the sand grout contains limestone powder, the limestone powder can improve the pore structure and decrease the porosity of the sand grout because of its filling effect.
铸钢工艺中采用石灰石砂代替石英砂是一种有效的消除清砂工矽肺的措施。
It is an effective way of eliminating the occurrence of silicosis in fettling workers by substituting silica with limestone as molding material in steel casting factory.
同时指出采用石灰桩、碎石桩等对桩周土进行加固,能有效地提高单桩载力及降低桩基沉降。
It is pointed out at the same time that reinforcement of pile-surrounding by lime-piles. Crushed stone piles. Etc, can effectively raise bearing capacity of piles. And reduce pile settlement.
合理施用B肥和石灰。可以有效防治番木瓜瘤肿病。
The oncosis of papaya could he controlled effectively by reasonable application of B fertilizer and calcareousness.
结果表明,攀钢烧结配加生石灰是提高烧结矿产量的有效措施,且对烧结矿质量和冶金性能影响较小。
The study result shows that proportioning of burnt lime in sinter mix is a effective measure for sinter production increasing, and the sinter quality and metallurgical properties were less affected.
干法烟气脱硫一般采用生石灰或者熟石灰作为脱硫剂,采用电石渣作为脱硫剂以废制废,有效降低了干法烟气脱硫的运行成本。
Carbide slag used as desulfurizer instead of quicklime or white lime is an effective way to reduce the(operation) cost of dry flue gas desulfurization(DFGD) system.
所以控制土壤含水量能有效地防止石灰性土壤上花生缺铁黄化症状的发生。
It is suggested that iron chlorosis of peanut grown on calcareous soil could be prevented by controlling soil water content.
论文探讨了搅拌生石灰桩强度形成机理,公路软基处理的有效性及适用条件。
The paper involves the formation mechanism of the strength of quicklime mixing pile, the validity of treatment of highway soft foundation and the applicable conditions.
前言:采用盆栽的方式研究了蔬菜种植前施用石灰对南方强酸性土壤中有效态重金属含量的影响。
Culture pot experiment was used to study the effects of limestone on the content of soil available heavy meatal before planting vegetables in acid soil.
烟气脱硫技术是控制酸雨和二氧化硫污染的最为有效的和主要的技术手段,石灰石-石膏法是目前最成熟的烟气脱硫技术之一。
Flue gas desulfurization is the most effective and leading method to control acid rain and SO2 pollution and limestone-gypsum FGD method is most matured until now.
因此,纤维和石灰的混合掺入可以为填筑土工程性质的改良提供一个更加有效的方法。
It therefore was concluded that the addition of fibre and lime mixture could be considered as an efficient improvement method for engineering properties of filled soils.
改良剂能够抑制土壤中重金属的生物有效性,其中石灰的抑制作用最强,同时石灰还有固定红壤磷素的作用。
Modifier can inhibit the bioavailability of heavy metals in soil, in which the strongest inhibitory effect of lime, and lime have a fixed role of red phosphorus.
能在1~1.5年内有效地防止藤壶、牡蛎、石灰虫、苔藓虫和藻类等海洋附着生物对船底的污损。
Protection ship bottom against fouling of settling organism such as barnacle, oyster, spirorbis, bryozoans algae within 1-1.5 years.
加入生石灰或铁屑可以有效的提高粉煤灰处理含油废水的能力。
The ability of treating the wastewater containing oil is increased effectively when the fly ash is modified by calcium oxide and iron.
加入生石灰或铁屑可以有效的提高粉煤灰处理含油废水的能力。
The ability of treating the wastewater containing oil is increased effectively when the fly ash is modified by calcium oxide and iron.
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