企业应重视技术档案管理

阐述了技术档案管理对调味品企业的重要性，对技术档案管理内容进行了详细介绍，对技术档案管理方法进行了说明。     

酱油稀醪发酵生白的防治

对酱油稀醪发酵中出现的生白污染问题进行了研究，对污染菌进行了鉴定，对造成生白的各种因素进行了分析，并提出了对酱油稀醪发酵生白现象的防治措施。     

基于LabView的核磁共振测井仪测试系统的研制与应用

本文对基于LabView的核磁共振测井仪测试系统的软硬件进行了介绍,其中具体介绍了基于Labview事件队列状态机的软件实现,并对测试软件的功能进行了介绍,最后对测试系统的功用进行了总结,对下一步工作进行了展望。     

编码器的应用现状分析与展望

文章通过对目前市场中常用编码器的结构、原理、分类的阐述,对编码器的应用现状进行了具体的论述,并对编码器的控制精度对编码器的重要性进行了探讨,最后对编码器未来的发展趋势进行了展望,为编码器的推广应用提供了支撑。     

葛根总黄酮、淀粉的提取及应用

研究了对葛根中的黄酮类物质及淀粉的同时提取，并对提取产物的利用进行了尝试，实现了对葛根原料的综合利用。     

浅议林业植物检疫标准化工作

我国在对林业经营管理的过程中,实现了对林业的可持续发展,并且加强了对林业的植物检疫工作,对森林的健康质量有所保障。在林业植物检疫工作中,对于标准化工作进行了分析,并且制定出了相应的对策。     

煤矿越级跳闸事故原因分析误区及解决方案

对短路本质进行了剖析,分析了现在对越级跳闸问题的几种错误认识,对几种解决方案进行了比较,并提出了现阶段内最好的解决方案。     

沥青路面再生技术浅析

本文对沥青路面再生技术进行了介绍,对沥青路面再生技术进行了分类总结,并对各种再生技术的概念进行了阐述,阐明了各种再生技术的施工工艺,对各种沥青路面再生技术的施工场合进行了分析。     

有关汽车底盘控制技术的探讨

文章对汽车底盘控制技术进行了分析探讨,首先简述了汽车底盘控制技术三个时代的发展技术,其次对汽车底盘控制技术特征进行了分析,进而对当前汽车底盘的主流控制技术——线控技术进行了分析,最后对第三代底盘控制技术进行了展望。以供同行参考,并请专家指正。     

关于变电站事故处理问题探析

电能是保证经济社会正常发展的基础,同时对人们的生活也有很大的影响,因此,人们对电能的供应质量提出了更高的要求,而且,对变电站出现的故障也给予了高度重视。文章对变电站事故处理原则进行了分析,同时,对变电站事故处理的主要任务进行了介绍,对相应的处理对策进行了提出。     

The potential of partial substitution of the wood fibre in hardboards by reject fibres from the paper recycling industry

This study evaluates the feasibility of incorporating reject fibres from paper recycling into wet process fibreboards as a partial replacement for virgin wood fibres. The rejects were obtained from newspaper and magazine paper recycling in the form of sludges. Three sludges were obtained from the process steps: coarse screening, fine screening, and flotation. Fibre size and inorganic contents of these fibres are presented. Incorporating rejects into a single layer panel has a negative impact on the visual appearance of the panels. Therefore, a method of making multi-layer fibreboards which permits the inclusion of rejects in the core layer was developed. The board performances were assessed according to EN 310, EN 317 and EN 319. The results indicate that the quantity of rejects incorporated into the panels must be limited. The maximum amount of the rejects, which do not significantly affect board performance, is estimated to be 10 %.     

无菌纸包装在制浆造纸厂的回用

无菌纸包装作为一种优质的纤维原料可以在制浆造纸厂进行回用。对无菌纸包装回用时的主要工艺如碎浆、筛选、净化以及胶粘物去除等方面的技术进行了介绍,并对国外两个工厂中无菌纸包装的生产流程和工艺等进行了简要说明。工厂的实践表明,无菌纸包装在制浆造纸厂可以单独或者与OCC等废纸混合碎浆,经过筛选、净化等工序处理后戍为优质的纸浆,而碎浆时产生的铝塑筛渣可以进一步处理回收铝。     

废纸制浆系统中的浆渣处理设计

以废纸制浆工程设计为例,介绍各生产工段的浆渣处理方案,包括碎解工段,粗筛及分级工段,长、中、短纤维处理工段所分离的轻渣、重渣,以及分离轻渣、重渣所使用的设备及轻渣、重渣分离出系统后的最终处理方案。     

使用Combisorter^TM优化废纸处理尾浆系统

近年来在废纸备浆工程中,由于碎浆机和筛浆机的技术进步,粗筛和精筛合一以及与缝筛直接对接成为可能,此时,筛渣含粗选和精选两者状态相异的杂质,为除去之需多台设备,这与提高系统整体效率的理念相悖。为简化尾浆系统组成,推荐使用集疏解、筛选、浓缩于一身的多功能复式分选机Combisorter^TM。文中介绍了该设备的特征及应用,特别适用于与缝筛直接对接的废纸处理尾浆系统。     

Occurrence of beta-hydroxybutyric acid in incubator reject eggs.

A simplified method for extraction of β-hydroxybutyric acid from whole egg prepared from incubator reject eggs is described. It is concluded that the presence of 15.95 ± 8.54 mg of β-hydroxybutyric acid per 100 g of liquid whole egg would strongly indicate that the egg had been prepared from incubator reject eggs. There is no obvious correlation between the numbers and types of bacteria present and the amounts of β-hydroxybutyric acid found in incubator reject eggs. The relative merits of a test for the presence of incubator reject egg in egg products based on the estimation of β-hydroxybutyric acid as opposed to alternative proposed tests, described in the literature, are reviewed.     

Response to waste electrical and electronic equipments in China: legislation, recycling system, and advanced integrated process

Over the past 30 years, China has been suffering from negative environmental impacts from distempered waste electrical and electronic equipments (WEEE) recycling activities. For the purpose of environmental protection and resource reusing, China made a great effort to improve WEEE recycling. This article reviews progresses of three major fields in the development of China's WEEE recycling industry: legal system, formal recycling system, and advanced integrated process. Related laws concerning electronic waste (e-waste) management and renewable resource recycling are analyzed from aspects of improvements and loopholes. The outcomes and challenges for existing formal recycling systems are also discussed. The advantage and deficiency related to advanced integrated recycling processes for typical e-wastes are evaluated respectively. Finally, in order to achieve high disposal rates of WEEE, high-quantify separation of different materials in WEEE and high added value final products produced by separated materials from WEEE, an idea of integrated WEEE recycling system is proposed to point future development of WEEE recycling industry.     

Environmental, social, and economic implications of global reuse and recycling of personal computers

Reverse supply chains for the reuse, recycling, and disposal of goods are globalizing. This article critically reviews the environmental, economic, and social issues associated with international reuse and recycling of personal computers. Computers and other e-waste are often exported for reuse and recycling abroad. On the environmental side, our analysis suggests that the risk of leaching of toxic materials in computers from well-managed sanitary landfills is very small. On the other hand, there is an increasing body of scientific evidence that the environmental impacts of informal recycling in developing countries are serious. On the basis of existing evidence informal recycling is the most pressing environmental issue associated with e-waste. Socially, used markets abroad improve access to information technology by making low-priced computers available. Economically, the reuse and recycling sector provides employment. Existing policies efforts to manage e-waste focus on mandating domestic recycling systems and reducing toxic content of processes. We argue that existing policy directions will mitigate but not solve the problem of the environmental impacts of informal recycling. There are many opportunities yet to be explored to develop policies and technologies for reuse/recycling systems which are environmentally safe, encourage reuse of computers, and provide jobs.     

聚酯纤维回收再利用及环境影响评价进展综述

聚酯纤维回收再利用不仅能节约资源,而且可以减轻环境负荷。文章综述了聚酯纤维回收再利用及其环境影响评价研究,结果表明:对聚酯纤维进行回收再利用比直接填埋或直接焚烧更具环境效益;聚酯纤维回收再利用方法主要有物理回收法、能量回收法和化学回收法,其中以物理回收法和化学回收法为主;物理回收法经济成本低,温室气体减排方面的环境效益好,但再生产品的质量有待提升;能量回收法通过焚烧的方式进行能量转换,产生较多的温室气体排放,环境效益较差;化学回收法得到的最终产物可以达到与原生聚酯纤维几乎相同的品质,降低回收再利用过程中的温室气体排放可以进一步提升该方法的环境效益。     

面向回收的可拆卸性设计

从回收性、拆卸性出发，分析了机电产品回收的种类和方式，以及导致产品难以拆卸的原因，提出了面向回收的可拆卸性设计及其设计原则，研究了计算机辅助可拆卸性设计。     

卷烟箱循环利用现状及优化对策——以贵州中烟为例

为了积极响应绿色包装、循环经济的要求,对卷烟箱的循环利用现状进行研究和探讨。以贵州中烟A厂烟箱实际循环利用的情况为依据,从挑选标准、循环利用次数、回收模式等多方面进行了定性分析,对回收过程中烟箱质量进行了定量分析,并据此在优化回收烟箱处理方面提出了相应对策。研究发现烟箱在回收4次时,烟箱质量缺陷突显,同时力学性能显著下降,回收烟箱质量缺陷中摇盖下垂和箱体破损远高于其他缺陷。结论提出了相应的五个方面的优化对策:(1)完善回收烟箱标准;(2)优化回收烟箱处理;(3)提高烟箱通用性;(4)提高烟箱质量;(5)优化烟箱循环利用模式。