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本文分析了我国目前环境监测预警体系建设方面存在的问题,提出了要构建我国先进的环境监测预警体系,并具体阐述了先进环境监测预警体系的意义、应具备的功能特性和构建的基本思路。 相似文献
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分析我国目前环境监测体系建设方面存在的问题,提出调整改革的思路和措施,以构建我国先进的环境监测预警体系,并具体阐述先进环境监测预警体系的构成要件、应具备的功能及特性和构建的基本思路。 相似文献
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目的为了实时监测农产品始终处于低温、适宜湿度等条件下,实现农产品质量信息的及时反馈和预警。方法针对农产品在冷链物流中的质量安全问题,首先分析影响其质量安全的因素,整合供应链上的追溯信息和监测信息,构建农产品的质量安全预警指标体系。然后设计结合交叉变异算子的自适应混合粒子群算法(AHPSO)优化支持向量机(SVM)参数,以此建立基于AHPSO-SVM的农产品冷链物流质量安全预警模型。结果以苹果的预警指标体系为例,经过模型训练和预测后,预测输出曲线与期望输出曲线均能较好拟合,误差值小。结论该方法较传统的BP神经网络与支持向量机方法,在解决实际问题中预测结果精度更高,可以有效提高农产品冷链物流中质量安全预警的准确性。 相似文献
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会计监管是会计机构和会计人员依据各项财经法规和财务制度,对会计主体整个经济活动过程的合法性、合理性和有效性进行监督,使其符合规定要求,实现预定目标。在经济全球化的今天,实施有效的会计监督和管理,是当前会计界面对的首要问题,也是影响全世界经济信息质量的重要因素。本文在分析会计监管存在问题的基础上,提出了加强法制建设、建立健全企业内部监管机制、增强注册会计师行业的独立性等完善我国会计监管工作的对策。 相似文献
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Managerial ties and trust are important factors in facilitating collaboration and reducing opportunistic behaviour. There is, however, a lack of empirical evidence on how these relational factors influence the sharing of information among supply chain partners. For example, do stronger managerial ties help to improve supply chain information sharing (SCIS) and reduce supplier opportunism? To what extent SCIS is influenced by managerial ties and trust? How do managerial ties interact with trust in influencing SCIS? Using data from 272 Chinese manufacturers, this paper examines the impact of managerial ties and trust on SCIS and supplier opportunism. The results show that, through trust managerial ties can significantly influence the extent of information sharing and the quality of the information shared. Managerial ties also have a direct impact on the extent of information sharing, but not on the quality of the information shared. The main implication for management practice is that the quality of the information shared – rather than the extent of information sharing – should be seen as the main leverage in reducing supplier opportunism. 相似文献
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虚拟企业质量管理研究 总被引:2,自引:0,他引:2
虚拟企业是为响应快速变化的市场需求,利用多种现代信息技术组建起来的动态联盟,是适应敏捷制造模式的一种全新的企业组织形式,因而必然有着与传统企业大相径庭的新特征,本文在深入分析比较了虚拟企业(Virtu-al Enterprise)与传统企业质量管理工作的基础上,对VE质量管理工作的主要对象-质量信息及其过程进行了重点研究,并提出了VE质量管理的基础工作。 相似文献
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为了解决水泥装备制造企业质量信息存储与检索难的问题,提出了一种新的质量信息管理方法:采用质量信息树的方法来描述制造过程、产品结构以及质量信息间的关系;提出质量信息编码系统来规范并存储质量信息;提出了XML缓存技术实现质量信息的检索。该方法应用在了辅料悬臂堆料机制造过程中的质量信息管理中,实例表明该方法能够解决水泥装备制造过程中的质量信息管理问题。 相似文献
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供应链中信息共享的层级及其影响因素分析 总被引:32,自引:2,他引:30
根据信息共享的内容、目的和功能,将供应链的信息共事分为3个层级:作业信息层、管理信息层和战略信息层。信息共享的层级依据供应链的不同性质会有所不同,其主要的决定因素有:产品特性、制造方式、交易倾向、成员间的伙伴关系、成员的IT应用程度等。正是由于这些因素,使得供应链中的企业仅适合于某一信息共享层级。因此,供应链中的企业应依据上述因素,评估、选定符合自己的信息共享层级。 相似文献
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The study aims to investigate the effectiveness of information sharing and coordination mechanisms in reducing uncertainty. Supply chains are constantly subject to unpredictable events that can adversely influence its ability to achieve performance objectives. This paper primarily aims at managing uncertainties originating from unexpectedly large demand spikes. The supply chain literature is full of effective supply chain uncertainty management practices. This paper reviews the different practices for improving management of uncertainty and proposes several combinations of information sharing and coordination mechanism for reducing the uncertainty in supply chains. Next, the proposed combinations are tested on the make-to-stock supply chain of a paper tissue manufacturer using an agent-based simulation approach to show how the use of different levels of information sharing and coordination can be effective in managing uncertainty under daily operations facing a huge mismatch of actual and forecast demand. The findings of this research suggest that, a centralised information structure without widespread distribution of information and coordination is not effective in managing uncertainty of supply chain networks, even with increased frequency of information flow. Similarly, coordinating material flows without widespread information sharing does not improve supply chain uncertainty management. Central coordination of material flows with supply chain wide information sharing across different members is found to be essential in managing supply chains effectively under uncertainty. 相似文献
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Although it has been argued that the design of production systems is crucial, there is a general lack of empirical studies analysing and identifying resources and capabilities required for an efficient production system design process. One of these resources is the critical role attributed to design information and one such capability is how the design information is managed. To address this research gap, this paper reports the results from two in-depth case studies in the automotive industry focusing on the management of design information in the production system design process. Our results show that design information management needs to be understood as a multidimensional concept having three dimensions: acquiring, sharing and using design information. By focusing on the three dimensions, six characteristics affecting the management of design information when designing the production system are identified. The characteristics are information type, source of information, communication medium, formalisation, information quality and pragmatic information. 相似文献
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基于质量信息流的虚拟企业质量管理概念模型 总被引:4,自引:0,他引:4
根据对虚拟企业质量管理的特征的认识及对其研究的现状,通过对虚拟企业质量管理过程的抽象,提出了一个基于质量信息流的虚拟企业质量管理概念模型,用于描述现实世界中的虚拟企业的质量管理过程,并指出了研究虚拟企业质量管理还需进行的其它工作。 相似文献