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本文分析了地玻璃冷端加速辊道PLC控制的几种方法,针对设备加工精度的不同,采用不同的控制方法,提高了玻璃切割精度,适用于浮法玻璃冷端设备装置水平不同的浮法玻璃生产线。 相似文献
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陶瓷原料化学成分分析的几种方法适用性剖析 总被引:1,自引:0,他引:1
本文通过介绍用于陶瓷材料化学成分分析的几类常见方法,阐述了不同检测方法的检测原理.并分析了每种方法在不同陶瓷材料检测过程中出现偏差的不同。为避免偏差的结果导致生产和科研结果的不准确,本文提出了如何选择比较适合各种陶瓷材料化学成分的化学分析方法。 相似文献
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本文介绍了国外镁粉表面处理的不同方法,对不同的表面处理方法做了比较研究。详细叙述了镁粉在钢铁生产中降低S等有害元素的应用,提出了一种镁粉的表面处理方法。 相似文献
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对增韧无规苯乙烯/马来酸酐共聚物(SMA)的方法作了分类,并对国内外SMA研究方面的进展作了分析。可以认为,橡胶增韧无规SMA,无论从耐热,冲击性能,还是从价格/性能比而言,是一类值得开发的高分子材料,以不同品种橡胶(如乙丙橡胶、苯乙烯-丁二烯-苯乙烯和丁基橡胶等)作增韧剂,通过不同的增韧方法,可以达到不同的增韧效果,满足不同的需求。 相似文献
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AN/BA复合乳液聚合方法的研究 总被引:2,自引:0,他引:2
用三种不同的加料方法和两种不同的加料顺序制备了AN/BA复合聚合物乳液。测定了聚合物乳液的流变性,电解质稳定性,乳胶粒子的大小及分布,胶膜的耐水、耐溶剂性。探讨了不同聚合方法乳胶粒子的增长机理及影响乳胶性能的微观因素。 相似文献
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根据原料的不同,阐述了几种肉桂醛的合成方法。提供了不同合成方法中原料、合成条件和收率等参数,为肉桂醛的合成研究提供参考。 相似文献
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碳/环氧复合材料波纹壳制造技术 总被引:1,自引:0,他引:1
介绍利用杵条临应力高于壳体蒙皮应力特性,用碳/碳氧复合材料制成桁条与蒙皮融为一体的密度型加宙-波纹壳,获得质量轻,技术性能高的产品。讨论了具有不同结构特点的两种波纹壳的制造工艺,指出因结构的差异,而采用不同的工艺方法制备;由于结构和工艺方法上不同,获得了不同的结构效益和经济效益。 相似文献
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根据被测对象、测量区间、试验条件不同,黏度测定方法也有区别.介绍了涂料黏度不同测定方法及各自的优劣势,并给出了不同黏度单位的标准及由不同测定方法所得黏度数据的换算方法. 相似文献
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分别采用萃取法、溶解法和载体—溶剂萃取法提取聚酯纤维中的总低聚物 ,比较了三种方法的优缺点及不同溶剂的提取能力 ,并用薄层色谱法分析了提取物的组成。 相似文献
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Jens Henrik Andreasen 《Journal of the American Ceramic Society》1993,76(11):2933-2935
Two methods for relating failure statistics for different stress states in brittle materials are compared. Despite the fact that the two methods are based on the same fundamental assumptions on crack distributions, they give apparently very different formulations. In this paper it is shown that the two methods are equivalent, and the apparent ambiguity resulting from having two seemingly different results from the same set of basic assumptions is removed. 相似文献
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研究混合器的停留时间分布对进一步研究混合器内的流型、混合等具有重要的意义。首先介绍了用于描述停留时间分布(RTD)的统计特征参量,根据测试原理及示踪剂输入方式等对停留时间的实验方法进行分类介绍。着重回顾了化学反应工程方法中RTD模型的发展,对有关RTD流场模拟中的常用模型进行了对比分析,并对统计学方法在RTD中的应用加以描述。最后展望了对上述方法在停留时间分布中的进一步应用。 相似文献
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Malte Bartels 《Powder Technology》2010,203(2):148-8484
We have recently presented a new methodology for screening different signal analysis methods in combination with signal pre-treatment methods with the goal to effectively identify those combinations that are highly selective towards a specific process change (Bartels et al., Ind. Chem. Eng. Res. 48 (2009) 3158-3166). The main outcome of the methodology is visually represented in an overall result matrix with coloured tiles illustrating a measure for the suitability of each combination of analysis method and signal pre-treatment. Suitable methods can be visually identified very quickly.For the early detection of agglomeration in fluidized beds we illustrate this methodology by four different cases: two cases from a pilot-scale bubbling bed, one from an industrial scale bubbling bed and one case from a lab-scale circulating bed. With the result matrix for each case several suitable methods are identified. The data are also evaluated to identify methods that are more generally applicable for a range of different cases. The suitability of a positively identified method is subsequently analyzed for its temporal response to both agglomeration and other effects. The influence of the different data pre-treatment methods is also addressed. 相似文献
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D. R. Sahu Chuan‐Pu Liu Ruey‐Chi Wang Chien‐Lin Kuo Jow‐Lay Huang 《International Journal of Applied Ceramic Technology》2013,10(5):814-838
Nanostructures are the building blocks of future nanodevices and thus methods for fabricating nanostructures of various materials in various forms are fundamentally important. Among those nanostructures ZnO has received much attention over the past few years due to the wide range of research by many different groups focused on different novel nanostructures with different properties. Although ZnO nanowires have been intensively studied, there are only a few methods that showed promising characteristics for practical applications. Without much effort, it can be grown in many different nanostructure forms, thus allowing various novel devices to be achieved. In this study, we intend to review those methods that enable nanostructure growth to be more controllable and feasible for applications. The methods for fabricating ZnO nanostructures are introduced in the first part. In the second part, the application of those nanostructures are mentioned and explained. Finally, the future realization of nanodevices is discussed. 相似文献