| 单词 | vulcanisation |
| 例句 | It is a process we now call vulcanisation. The horrific consequences of rubber's toxic past 2019-07-23T04:00:00Z Parkes was a chemist and inventor who discovered several new processes, such as cold vulcanisation, a means of waterproofing fabrics. Nine real facts about Birmingham 2015-01-12T05:00:00Z Consequently it is needful to develop maximal mechanical properties, and vulcanisation is therefore carried further than in the manufacture of inner tubes. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z For subsequent vulcanisation this is not a matter of importance, because the vulcanising process restores to the rubber the properties which are lost in the process of rolling and milling or mastication. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Indeed, no investigation or analysis of the raw rubber can enable one to foresee exactly how the rubber will behave on vulcanisation. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z This illustrates the deficiency in our knowledge of vulcanisation. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Further, rubber from putrefied coagulum vulcanised much faster than that ordinarily prepared, so that we are justified in connecting the putrefaction bases with the rate of vulcanisation. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z To obtain a reasonably permanent vulcanised product, the vulcanisation would not be carried further than to give a figure of 100 kilos. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z It is not proposed here to argue the question as to whether the presence of this film, which appears when some rubbers are stretched, is detrimental to the physical qualities of the product on vulcanisation. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Raw rubber, as produced on the plantations, is almost invariably subjected to the process of vulcanisation in the production of manufactured rubber articles as we know them. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z To proceed with our outline of vulcanisation, we have now arrived at the stage at which the goods are built up and ready for vulcanising. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Taking the argument down to bed-rock, producers urge that the presence of bubbles has no influence upon the ultimate quality of the rubber on vulcanisation. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The rubber on vulcanisation was found to be normal in behaviour, and was similar to the controls. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z To the writers this seems immaterial as long as the manufacturer is offered a larger and more uniform lot which can be given uniform treatment in vulcanisation processes. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z Whatever may be the actual facts regarding the effect of formalin upon the vulcanisation of rubber, when used in minimum proportions, there can be no question concerning its injurious effect if used in excess. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z In the same manner, although “bubbles” have no influence upon the quality of the rubber on vulcanisation, sheets thus affected are generally made into crepe. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z The information given is based on researches on vulcanisation carried out for the Rubber Growers’ Association by the writer over a period of nine or ten years. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z These claims will be discussed in later chapters dealing with the vulcanisation of rubber, and demand no notice in this section. The Preparation of Plantation Rubber 2011-03-09T03:00:40.870Z |
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