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melt characteristics
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  相似匹配句对
     And the characteristics of the G.
     通过仿真和实验,也验证了G.
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     The characteristics of G.
     论文首先对语音编码的各种方案进行了比较,并对G.
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     Oxidizing Characteristics of ZA27 Melt
     ZA27合金液氧化特性
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     The melt of blends exhibits the characteristics of pseudoplastic fluid.
     反应共混物熔体呈假塑性流体特征。
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     Melt the Blue
     融合之蓝
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  melt characteristics
Later, the image data are exploited to extrapolate these regional melt characteristics in an Antarctic-wide melt detection algorithm.
      
Ash melt characteristics influence bed permeability, and fluxes may need to be added to modify slag flow characteristics.
      


Factors influencing the three-layered structure of the protective slag in relation to their melting characteristics in the mould were investigated. The results obtained can be summarized as follows:1. The melting temperature of the protective slag must less than 1250℃ 2. The melting temperature of protective slags not only depends on their chemical composition, but also depends on their particle size. 3. The melting temperatures of the protective slag could belowered by fluxes For B-4...

Factors influencing the three-layered structure of the protective slag in relation to their melting characteristics in the mould were investigated. The results obtained can be summarized as follows:1. The melting temperature of the protective slag must less than 1250℃ 2. The melting temperature of protective slags not only depends on their chemical composition, but also depends on their particle size. 3. The melting temperatures of the protective slag could belowered by fluxes For B-4 type, the melting temperature were lowered in the following order: NaF>Na_3AlF_6>Na_2CO_3>NaCl>CaF_2. 4. Carbon is a effective factor in controlling the meltingrate of protective slags. For G-2 slag, the relationship between the carbon content and the melting rate can be expressed as follows: logt_s=4.160(C%)+1.0334.5. For the protecrive slags, melting temperatures of which are within 1100~1200℃ the rate of melting is not related with the melting temperature. 6. The less particle size of the slag composing materials the higher melting rate, especially when the particle size is within 60~100 mesh. 7. Different melting rates are required for different mould types. At 1450℃ the proper melting rate may be as follows:Ingot Wt., ton melting rate, sec.4~7 about 30<1 about 5

从保护渣熔融特性出发,研究了有关因素对保护渣形成三层结构的影响。研究结果如下:1.保护渣的熔融温度应低于1250℃。2.测定了七组保护渣在各种配比下的熔融温度。熔融温度除取决于化学组成外,还受渣料颗粒大小的影响。3.助熔剂降低保护渣的熔融温度的影响次序,对于B-4型保护渣为NaF>Na_3AlF_6(冰晶石)>Na_3CO_3>NaCl>CaF_2。4.碳是有效控制保护渣熔融速度的一个因素,对G-2型保护渣而言,其含碳量与熔融速度的关系式为lgt_s=4.160(C%)+1.0334。5.熔融温度在1100~1200℃范围内的各种保护渣,其熔融温度与熔融速度无对应关系。6.渣料的粒度越细,熔融速度就越快,特别在60~100网目之间变化时,这种影响更为显著。7.不同锭型对保护渣熔融速度要求是不同的,经初步研究确定,在实验室1450℃下保护渣熔融速度为4~7吨锭型——30秒左右,<1吨锭型——5秒左右为好。

An empirical formula for the approximation of the mineral composition of fly ash hasbeen derived by mathematical-statistical analyses of the chemical and mineral compositionsas well as combustion conditions with the aid of computer.On the basis of the mineral com-position thus derived, the melting characteristics, particle size distribution, specific gra-vity and gauging water, etc., the strength activity of fly ash under ordinary temperaturecan be predicted.The author further expounds the mechanism of...

An empirical formula for the approximation of the mineral composition of fly ash hasbeen derived by mathematical-statistical analyses of the chemical and mineral compositionsas well as combustion conditions with the aid of computer.On the basis of the mineral com-position thus derived, the melting characteristics, particle size distribution, specific gra-vity and gauging water, etc., the strength activity of fly ash under ordinary temperaturecan be predicted.The author further expounds the mechanism of fly ash acting as an activemicro-aggregate in the concrete.

本文叙述采用电子计算机对测定的大量的粉煤灰的化学成分、燃烧条件和矿物组成的数据,进行数理统计分析,提出近似计算粉煤灰矿物组成的经验公式。并根据经验公式计算的粉煤灰矿物组成和熔融特性以及实测的颗粒组成、需水量等因素,来预测粉煤灰在常温下强度活性,并进一步阐明粉煤灰在水泥混凝土中活性微集料作用的机理。

This paper has studied the relationship between the a-mount and schedule of carbon addition, carbon variety, melting rate, melting characteristic and melt structure. It is discovered that the influence of carbonaceous materials on melting behavior of fluxes is related to the carbon content, dispersity and firing point of carbonaceous materials; the composite addition of carbonaceous materials is superior to the single addition which is widely used currently; when several carbonaceous...

This paper has studied the relationship between the a-mount and schedule of carbon addition, carbon variety, melting rate, melting characteristic and melt structure. It is discovered that the influence of carbonaceous materials on melting behavior of fluxes is related to the carbon content, dispersity and firing point of carbonaceous materials; the composite addition of carbonaceous materials is superior to the single addition which is widely used currently; when several carbonaceous materials are added into flux, the melt structure will be consisted of molten layer, half-molten layer, sintering layer and raw materials layer, the melting rate will change weakly with carbon content in flux, the melting characteristic will keep relative stability in a more extensive temperature range, which will make the mold fluxes adapt to the suddenly change of casting parameter during continuous casting of steel.

本文研究了保护渣熔化速度、熔融特性和熔融结构与渣中配炭量、配炭种类和配炭方式的关系。研究发现,炭质材料影响保护渣熔融行为的程度取决于炭质材料的含碳量,分散度和着火点,复合配炭优于目前广泛采用的单一配炭,采用复合配炭后,保护渣的熔融结构呈含有熔融层,半熔层、烧结层和粉渣层的多层熔融模型,熔化速度随含碳量的改变增减较缓。熔融特性在较宽的温度范围内保持相对稳定,使之能适应于连铸工艺参数在连铸过程中的突变。

 
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