1)coal quality variation煤质变化
1.Through c omparative study of exploration and coal pr oduction data, summed up the area's coal ran k distributional characteristics and coal quality variation orderliness, provided de cision bases for rational exploitation and utilization, as well as resource allocation optimizing.通过对勘探成果资料和生产资料的对比研究,总结出矿区的煤类分布特征及煤质变化规律,为合理开发利用资源并优化资源配置提供决策依据。
2.Quantitative and qualitative analysis for influence of coal quality variation upon combustion stability, combustion efficiency, and tendency of slagging in the furnace etc.采用西安热工研究院有限公司(TPRI)燃烧、结渣预测模型,对煤质变化影响锅炉机组燃烧稳定性、燃烧效率、炉膛结渣趋势等进行了定性、定量分析,并简单介绍了几种实用的配煤方式,可作为国内相关电厂应对类似情况的参考。
3.From finding the cause of high combustible in fly ash, this paper analyzes the impact of coal quality variation on economic operation of Hengfeng Power Plant, and proposes a reasonable coal composition scheme, which provides a guide line to the economic operation of the plant.从查找衡丰公司飞灰可燃物升高的原因入手,分析了煤质变化对运行经济性造成的影响,提出了合理的配煤方式,对经济运行具有一定的指导意义。
英文短句/例句
1.Analysis of Coal Property Change in Qidong Coalmine and Its Mayor Controlling Factors祁东煤矿煤质变化特征及主要影响因素分析
2.The Research and Application of the Technology to Improve the Adaptability to the Changes of Coal for the Boiler Using Inferior Coal;提高劣质煤锅炉对煤质变化的适应性的技术研究与应用
3.The influence of the coal quality variation on boil combustion and its countermeasures煤质变化对锅炉燃烧影响及其应对措施
4.Study on the characteristics and variation regulations of coal quality in A'ai mining area of Tabei coalfield塔北煤田阿艾煤矿区煤质特征及其变化规律
5.A soft, brownish - black coal in which the alteration of vegetable matter has proceeded further than in peat but not as far as in bituminous coal.褐煤一种褐色软质煤，植物性物质的变化程度比泥煤重但比烟煤轻
6.Coal Property Characteristics and Change Rules of Yongqing Group Coal Bed in Jixi Basin鸡西盆地永庆组煤层的煤质特征及其变化规律
7.Discussion on the variation of other quality index on different ash yield condition for Shendong gasifying coal神东气化用煤在不同灰分下煤质指标的变化情况
8.Study on Variability of Physical and Chemical Properties of Sandy Soil after Coal Mining Subsidence采煤塌陷后风沙土理化性质变异性研究
9.Analysis on the coal characteristics and its change regularity in Yaoshang mining area in Fujian Province福建瑶上矿区煤质特征及其变化规律分析
10.Effect of solvent and moisture on rheological property of oil-coal slurry溶剂和水分对液化油煤浆流变性质的影响
11.AGEING STUDY OF COAL TAR PITCH MODIFIED BY RUBBER FOR PAVEMENT CHANGES OF ASPHALTENE STRUCTURE AND FUNCTIONAL GROUP煤沥青橡胶改质道路沥青老化研究──沥青质结构与官能团变化
12.Study on Weathering Material Physical and Chemical Property Changes of Gangue Pile in Natural Weathering Process煤矸石自然风化进程中风化物理化性质变化研究
13.The experimental research on petrological transformation of low rank coal during its enhancement of plastic characteristics by hydrogenation低变质烟煤加氢增塑过程中岩相特征变化试验研究
14.Enhancing coal quality management and enhancing check for coal quality responsibility;加强煤质管理 强化煤质责任考核
15.Properties and effects of process solvent of direct coal liquefaction in PDU test runs煤直接液化装置开车过程中循环溶剂性质变化规律及其影响
16.Outbursts of coal and gas prone is related to the evolution history of deformation and coalification of coal-seams.煤与瓦斯突出倾向与煤层的变质变形历史有关。
17.thick-layer apt to oxidation type characterized by large thickness of coal seam and low metamorphic degree, and transition type.以煤层厚度大和低变质程度为特征的厚层氧化类型; 过渡类型.
18.The Study of Varied Thickness of Coal Seam Using MCNP Method in the Coal Quality Analysis Experiment by Neutron中子煤质分析实验中应用蒙特卡罗模拟方法进行煤层厚度变化的研究
相关短句/例句
coal metamorphic evolution煤变质演化
1.Thermodynamics pattern and features of coal metamorphic evolution in Southwest Shandong;鲁西南地区煤变质演化的热动力学模式及其特征
3)evolution direction of coal metamorphism煤变质演化方向
4)coal seam metamorphose煤层变质
5)metamorphosed coal变质煤
6)coal metamorphism煤变质
1.Analysis of relationship between coal series clay minerals and coal metamorphism;浅析宁夏中生代煤系粘土矿物与煤变质关系
2.Study of coal-bearing strata and characteristics of coal metamorphism have further proved that coal metamorphism has relation with characteristics of quartz and calcite veins developed in the Mesozoic coal measures in Northwest area.西北地区中生代含煤地层和煤变质特点的研究进一步表明，石英脉及方解石脉的发育特征与煤变质关系密切。
延伸阅读
气候要素日变化和年变化气候要素日变化和年变化diurnal variation and annual variation of climatic elements q ihou yaosu ribianhua hen一anb一anhua气候要素日变化和年变化(diurnal varia-tion and annual variation of elimatieelements)由地球自转和公转所引起的以l」、年为周期的气候要素变化。 日变化以气温为例，其日变化与地面加热状况直接有关，最高值在14一15时出现，最低值在日出前后测点的纬度、海拔高度、下垫面条件、季节以及人气干湿状况都可影响气温日变化，但不改变其主要性质)干旱地区夏季的气温日变化最显著，日较差(最高温度与最低温度之差)最大。气温日较差人小对农作物生长有收要意义，是农业气候分析的项目之一水汽压的日变化决定于地面加热条件、地面湿润状沉和湍流交换强弱。在充分湿润的地区和季节.水汽压最高值是午后最大，玄青晨最小，在其它地区，水汽压日变化曲线人多旱双峰型，两个高值分别出现在9时和「1落前后，两个低值发生在日出前和午后〔如图所示、风速日变化上要取决于近地层中湍流交换的日变化，11间因湍流加强，地面风速也增大，午后风速达最大值，夜间风速最小。沿海的海陆风现象及山区山谷风现象也属风的日变化，它们的速度和方向均有周日变化。 年变化气候要素年变化与太阳辐射年变化有关最明显的是气温年变化，在北回归线以北的北半球大陆上，l月气温最低，7月最高，气温年变曲线比之天文辐射年变曲线约有一个月的位相落后。在海洋l比日︸1 一一 。dq\汉俐田仁书5言 1 2 16时间/h20 24水气压的日变化上气温年变曲线的位相落后更多。从各地气温年变化特点就可看出海陆影响的程度(见大陆度)。降水的年变化也很明显，中国东部地区因受季风影响，夏季6一8月降水最多，冬季最少，干湿季竹交替明显地中海沿岸降水年变化具有冬季降水充沛，夏季少雨的特点，形成特殊的地中海气候。在英lfil各地，全年各月降水墩分配相当均匀，年变化较小，反映出典型的海洋性气候相对湿度的年变化与气温年变化相反，一般是夏季小冬季人。气温、降水、相对湿度等要素年变曲线的配置特点，可反映出各地气候的特点 (翁笃鸣)
