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作者:Kwang Su Seo , Susan A. Lettieri , Steve K. Henning ...
来源:[J].Polymer Sciences, 2019, Vol.4 (2)
摘要:The objective of this work is to determine reactivity ratios of the poly(α-methylstyrene-co-butadiene) polymerization in cesium-based catalyst system. These values can be used to describe the characteristic incorporation order of the monomers into the polymer chain and model...
作者:S J K Annamalai , C V Madeswaran , Ravindra Naik ...
来源:[J].Agricultural Engineering Today, 2012, Vol.36 (4), pp.12-17
摘要:The rotors/cones of the commercial cono weeders in the country are made of MS which has lots of functional limitations in wet field. These are very difficult to fabricate, and not easy to maintain. In view of this, a process was developed for production of the cones of the cono w...

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