melting point是什么意思

用法例句

Characteristics of sulphur retention in ashes of chinese coals used for power generation;

我国动力用煤煤灰自身固硫特性的统计分析

Roles of Alkaline Elements in Sulphur Retention by Ashes from Chinese Coals Used for Electric Power Generation;

我国发电用煤的碱性成分在煤灰固硫中的作用

Discussion on the temperature control system of the coal ash fusibility determinator;

煤灰熔融性测定温度控制系统

Effect of char on the melting characteristics of coal ash;

灰中焦对煤灰熔融特性的影响

Determination of chemical compositions of coal ash by X-ray spectrofluorimetry;

X射线荧光光谱法测定煤灰成分

Spectrophotometric determination of trace uraniumⅥ in coal ashes with phenylfluorone;

苯基荧光酮分光光度法测定煤灰中微量铀

Spectrophotometric Determination of Trace Uranium in Coal Ashes with 5-Br-PADAP;

5-Br-PADAP分光光度法测定煤灰中微量铀

This paper analyzes the effect of Gamma ray on people when coal ashes are used as backfill and quantitatively calculates the content of Gamma ray in coal ashes and the thickness of shielding soil layer.

本文分析了煤灰作回填料时，γ射线对人的影响程度，并定量地计算了煤灰中γ射线的剂量和屏蔽土层的厚度，为整治环境，进一步开展对煤灰的综合利用提供了科学依据。

? In this paper, two kinds of raw coal ashes and blended coal ashes are chosen to study the behavior of Anhydrite (CaSO4) during heating by XRD.

采用二种原煤和二种混煤，对其加热过程中灰样中的硬石膏（ＣａＳＯ４）进行Ｘ－射线衍射分析，结果表明：煤灰样中ＣａＯ的固硫效果在９００℃左右时达到最大，然后逐渐减弱，在１１００℃左右时硫全部析出。

The Study on Minerals Transition Process and Fusing Regularity of Blending Coal-ashes;

配煤煤灰内矿物质转变过程与熔融特性规律研究

The fusion processes of blending coal-ashes are studied in this paper by TG-DSC.

利用TG-DSC方法对平朔和神木灰样以及两者配煤灰样的熔融特性进行研究。

The Thermal behavior of two coal-ashes is studied by TG-DSC & XRD.

该文利用热分析方法和X-射线衍射物相分析对低灰熔点的神木煤(温家梁,TDT=1200℃)和高灰熔点的淮南煤(新庄,TDT>1500℃)煤灰在加热过程中矿物质的热行为及其演变进行了对比研究,2种煤灰的热分析曲线存在较大差异,它们的矿物质成分也随着温度升高发生了不同的转变,分别对其灰熔点产生了不同的影响。

According to various proportions, 3 kinds of coloured raw materials, including coal slag, coke ash and the sludge from sulfuric acidmanufacturing plant, are prepared as additives and mixed with ground phosphate rock for production of CSSP.

对带色过磷酸钙的生产工艺进行优化研究,选择煤灰、焦灰、生产硫酸的废渣3种带色原料按不同比例加入磷矿粉中,结果是:按每吨磷矿粉加入10%的焦灰和6%的稀磷酸或加入17%的煤灰和8%的稀磷酸生产出的带色过磷酸钙成本较低、色泽较好。

Through the study of the landfill leachate treatment by the soil and coal slag at different heights, it was proved that soil and coal slag had a good adsorption to the pollutants in wastewater.

对不同高度的煤灰和土壤进行垃圾渗滤液的吸附净化试验,证明吸附法对渗滤液中有机物具有很好的去除能力;煤灰和土壤高度、有机负荷、水力负荷及配水次数等因素均对净化能力有一定的影响。