硫化机理
参考答案:
过氧化物的过氧化基团受热易分解产生自由基,自由基引发橡胶分子链产生自由基型的交联反应。
2012年3月5日~18日,十一届全国人大五次会议在京举行。会议分别审议通过了温 * * * * 所做的《政府工作报告》,最高人民法院和最高人民检察院的工作报告。
(1)说说你对全国人民代表大会的理解。
____________________________________________________________________________________________________________________
(2)《政府工作报告》为什么要由全国人大审议和通过?
(3)材料说明全国人大行使了什么职权?
DOM is a platform-and language- (21) API that allows programs and scripts to dynamically access and update the content, structure and style of WWW documents (currently ,definitions for HTML and XML documents are part of the specification). The document can be further processed and the results of that processing can be incorporated back into the presented (22) . DOM is a (23) -based AP1 to documents, which requires the whole document to be represented in (24) while processing it. A simpler alternative to DOM is the event-based SAX, which can be used to process very large (25) documents that do not fit info the memory available for processing.
A.document
B.processor
C.disc
D.memory