查询词典 fly ash

Therefore, it has become a hot debate in research of fly ash utilization about how to improve its pozzolanic activity.

因此，如何提高粉煤灰的活性就成为粉煤灰综合利用的研究热点问题。

In this paper, low-clinker cement is mainly developed from fly ash and coal gangue, in order to build tow new gel system, and admix concrete with various good performances.

本文分别以粉煤灰、煤矸石为主要原料研制少熟料水泥，从而提出两种新的胶凝体系，以此配制出了性能优良的少熱料水泥混凝土。

The tests of active additions and high-performanceconcrete in which admix fly ash, ground slag, silicon powder were developedon the basis of summarize acquired research achievements inland and overseas.

在总结国内外已取得试验研究成果的基础上，开展了掺入粉煤灰、磨细矿渣、硅粉等活性混合料以及它们复合掺入的高性能混凝土的试验研究。

Fly ash has been widely utilized in concrete in recent years as a kind of active mineral admixture.

粉 煤灰作为一种活性掺和料，在混凝土的制备中得到了广泛应用。

In order to stabilize and recycle municipal solid waste incineration fly ashes,chemicaltabilization with copperas as agent was firstly applied and then the treated fly ash was solidified by mixing with cement,the resulted concrete blocks are save and strong enough to be used in some special cases.

为实现垃圾焚烧飞灰的无害化和资源化，先将绿矾溶液与飞灰混合后氧化稳定飞灰中的重金属，然后将处理后的飞灰与水泥混合、养护，使焚烧飞灰在双重稳定化的同时，得到的水泥砌块浸出浓度低，具有相当的强度，可以在特殊场合安全利用。

In order to test the influence of chemical pretreatment on the vitrification of municipal solid waste incineration fly ash , phosphate solution and copperas solution were used to wash the fly ashes before they were undergone vitrification process.

在垃圾焚烧飞灰进行熔融玻璃化之前，先用磷酸盐或绿矾溶液对飞灰进行洗涤，研究这种化学稳定化预处理对飞灰玻璃固化效果的影响。

In the present study,the sorption of toxic o cresol by fly ash and impregnated fly ashin aqueous solution has been investigated.

研究了水溶液中粉煤灰和浸渍粉煤灰吸附有害的邻甲酚，试验了颗粒大小、浸渍条件、pH值和温度等因素对吸附量的影响。

In this dissertation, based on the theories of combustion, electrostatics and gas discharge and the relevant experimental results, a mathematical model is set up for simulating the precipitability of fly ashes from coal burning, which includes the calculation of fly ash characteristic parameters and the estimation of the ESP performance.

本文利用燃烧学、静电学和气体放电理论以及有关实验研究结果建立了包括飞灰特性参数计算和电除尘器性能估算两个方面的燃煤飞灰电除尘特性模拟数学模型。

The high compressive strength is obtained when the modulus of the activator viz., molar ratio of SiO2/Na2O is 1.5, and the proper content of this activator evaluated by the amount of Na2O to the high-calcium fly is 10 %. The compressive strength of these samples is 63.4 MPa when they is cured at 75 oC for 8 hours flowed by curing at 23 oC for 28 days. The main gels of geopolymer and calcium silicate hydrate, and Gismondine co-exist and bond some remaining unreacted fly ash spheres.

结果表明：复合碱激发剂适宜的模数M =n(SiO2)/n(Na2O)为1.5，掺量为Na2O当量10％；适宜养护条件为，75oC养护8h，然后在23oC室温养护至所需龄期，其28d抗压强度达63.4MPa；碱激发高钙粉煤灰同时生成地聚合物凝胶和水化硅酸钙凝胶，并有类沸石矿物生成，反应产物与未反应的粉煤灰颗粒胶结成较为密实的高钙粉煤灰地聚合物。

The boiler thermal efficiency was calculated according to the ASME FIRED STEAM GENERATORS PERFORMANCE TEST CODE . The varieties of temperature, flow rates of steam and feed water, gas pollutant emission and carbon content in the bottom ash and fly ash were measured, and some disciplinary results were obtained.

在额定蒸发量为410t/h的超高压循环流化床锅炉上进行以无烟煤、石油焦混合物为燃料的锅炉热力性能试验，根据ASME锅炉性能规程计算了锅炉热效率，并对温度、汽水流量、气态污染物排放、灰渣含碳量等多个参数进行了测试，整理得到了一些规律性的结果。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。