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The paper introduces the"bullwhip effect"of a supply chain and the application of software Witness, and discusses the simulation of software Witness in the supply chain system. The structure of supply chain in the paper is composed by steel company, steel service center, parts manufactures and car factories. The lead-time of order and the time of transportation in each stage and of whole chain are the main performance index at present research stage.

文章介绍了供应链中的"牛鞭效应"以及Witness的基本应用，讨论了在供应链系统中利用Witness软件进行仿真的方法，采用了由钢铁公司、钢材服务中心、部件生产商和汽车厂所组成的供应链结构进行仿真，整个供应链和供应链上各节点的订货提前期和运输时间是所介绍的模型中的主要供应链绩效指标。

Speciality paper manufacturer Cham Paper Group presented three ground-breaking innovations at Labelexpo Europe in Brussels.

专业的造纸商肯特纸业集团提出了三项开创性地在布鲁塞尔的欧洲标签创新。

With the development and progress of the society, autonomous learning and characteristic learning become more and more important in the instructional mode of adult education, and the paper-and-pen exam comes to expose its disadvantage like unilateralism and changelessness. We find out in instructional practice that the paper-and-pencil tests usually hard to fit the cognition of adult learner, so it is hard to evaluate accurately and efficiently.

在实际教学中我们发现，传统的笔试方式往往很难适应成人学生的认知特点和认知规律，从而难以保证考试结果作为课程教学效果测评的准确性和有效性；并且，传统笔试形式极大忽略了考试的诊断反馈功能，忽略了考试结果所体现出的教学过程中出现的问题或是教师很难从考试结果中发现问题，因此不能有针对性地改进教学。

China steel industry has its own characteristics, so this paper studies on a more suitable model under Chinese environment. This paper gives a brief introduction to the current marketing channel and commercial model of iron and steel distribution industry of our country. It puts forward problems existing in commercial model.

本文详细地介绍了国外发达国家钢铁流通行业和钢材剪切中心的情况，以及我国钢铁流通行业现有的营销渠道、业态模式，指出了我国钢铁流通业态模式中存在的主要问题，同时，针对我国剪切加工配送中心的发展和现状进行了分析。

Firstly, this paper introduces the domestic and foreign present research situation and correlative knowledge, proposes the method of traffic organization optimal and plan estimate; Secondly, this paper depicts signalized intersection organization optimum detailed from method of transit, channelization design and signal design, namely carries on the synthesis optimization design, makes every effort to optimize for the signalized intersection traffic organization provides some scientific, comprehensive and practical theory and method.

论文首先介绍交通组织优化国内外研究现状及相关的基础知识，提出了交通组织优化的思路和优化方案的效果评价方法；其次对信号交叉口交通组织优化从交叉口放行方法、交叉口渠化方法和交叉口信号设计方法三个层次予以详细阐述，即进行综合优化设计，力求为信号交叉口的交通组织优化提供一些科学、全面和实用的理论和方法。

It changed the traditional business mode,it is so convenience,but chaperonage venture which baffle the step of it's development the paper studied the process of the electronic business's run and the risk depend on that background baleful net,date have been stolen,counterfeit client,domain name register,and intimacy problem this paper also discusses keeping away measure feasibility.

它改变了传统的商务模式，给人们带来了方便、快捷，但同时电子商务的风险并存，阻碍了其前进的脚步。本文就是以此为背景，着重研讨了电子商务运行过程中，可能遭遇的主要风险，恶意网站、数据失窃、客户假冒、域名注册、隐私问题等，并探讨了具有实践可能的建议性防范措施。

In the paper,the effects of the ion type,charge density and molecular weight of polyacrylamide on the retention of mineral fibers and the properties of the paper were studied.

研究了不同离子类型、离子度及相对分子质量的几种聚丙烯酰胺对矿物纤维留着及纸张性能的影响。

This paper presents a method of NAT port switch. For fast mode, negotiation of packets encapsulation methods is used by increasing field in SA payload. In the process of negotiation of encapsulation method, this paper solve the problem of updating the upper check sum through the use of NAT-OA data packets.

对于快速模式的修改，通过在SA载荷中增加字段的方法来进行数据包封装方式的协商；在封装方式协商的过程中，通过使用NAT-OA数据包，使得通信双方即使经过了NAT转换，依然可以进行正确的校验，解决了NAT无法更新上层校验和的问题。

Such clothing is to use the special paper fibers do, prior made chemical treatment Only in low concentration which leads to the production of liquid chemical reactions encountered rain or general indifferent to the water, Even wearing clothes this paper playing in the rain or a bicycle, clothes do not have to worry about the dissolution become naked.

这种衣服是用特殊的纸质纤维做的，事先作了化学处理，只有在低浓度的皂液中才会产生化学反应，遇到雨水或一般的水却无动于衷，即使穿着这种纸衣服在雨中踢球或赶路，也无须担心衣服溶解了变得赤身裸体。

In this paper, various synthetic methods of coenzyme Q10 appeared in about half a century were reviewed with emphasis on the semi-chemosynthetic methods using natural solanesol extracted from tobacco as starting material. The key factors and development direction of coenzyme Q10 chemosynthesis were illustrated in this paper as well.

笔者根据半个世纪以来有关辅酶Q10化学合成的各种文献报道，对辅酶Q10现有的各种化学合成路线及其工艺优劣进行了介绍和比较，重点介绍了从烟草中提取天然茄尼醇为原料的半化学合成辅酶Q10方法，并阐明了化学合成辅酶Q10的关键因素和发展方向。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。