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大型吹膜机组插板的设计与探讨
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作者 刘守胜 《塑料科技》 CAS 北大核心 2006年第5期62-64,共3页
通过几何推导,确立了吹膜机组插板顶角与插板插入角之间的关系。阐述了无皱褶薄膜插板设计参数的确定和在插板设计中的灵活应用,介绍了插板上调机构和下调机构的主要组成以及四连杆机构在插板设计中的应用。
关键词 吹膜机组 皱褶 插板 上调机构 下调机构
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塑料吹膜机人字板、插板的设计与调整
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作者 何桂红 李香兰 《中国塑料》 CAS CSCD 北大核心 2009年第6期109-112,共4页
通过理论计算,确定了塑料吹膜机组中人字板、插板的设计参数;介绍了插板上下调整机构的主要组成和四连杆机构的应用;给出了皱褶消除的主要手段及措施:校正各部件安装精度、提高膜泡冷却效果、减小人字板夹角、插板插入角α≤插板顶角β等。
关键词 吹膜机组 皱折 人字板 插板 上调机构 下调机构 四连杆
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Audit Quality in Kazakhstan: Does Big 4 Provide High-Quality Audits?
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作者 Yoon Shik Han 《Journal of Modern Accounting and Auditing》 2012年第12期1789-1797,共9页
This paper provides empirical evidence on audit quality in Kazakhstan as measured by audit tenure and the frequency of issuing modified opinions. In addition, an overview of audit institutions of Kazakhstan and an ana... This paper provides empirical evidence on audit quality in Kazakhstan as measured by audit tenure and the frequency of issuing modified opinions. In addition, an overview of audit institutions of Kazakhstan and an analysis of the current audit market for public companies are offered. This paper also sheds light upon the potential independence problems resulting in low audit quality and current barriers to audit researches in Kazakhstan. Consistent with the findings of extant researches on audit quality and the general perceptions of investors, two hypotheses were developed, i.e., the audits performed by Big 4 audit firms in Kazakhstan also have higher quality than non-Big 4 audit firms in terms of audit tenure and the frequency of issuing modified opinions. The result confirms the hypothesis that Big 4 audit firms provide higher audit quality than smaller local firms in association with audit tenure instead of in relation to the frequency of issuing modified opinions. The result indicates that Big 4 audit firms may not be as independent as they will be in a highly litigious market. Therefore, an independent inspection should be regularly implemented according to the audit law, and the inspection report should be publicized by Chamber of Auditors (COA)1. If this is not practical due to the lack of qualified inspectors, a peer review may be an altemative to implement the quality control policy immediately. To the author's best knowledge, this is the first audit quality research in countries of the Commonwealth of Independence States (CIS). 展开更多
关键词 audit quality audit institution audit tenure auditor switch audit opinions Big 4 audit firms
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