核磁共振方法在湖北某地找水的效果

应用核磁共振技术找水是核磁共振技术应用的新领域,核磁共振找水是一种直接探测地下水的地球物理方法。本文介绍了在贫水地区一个指定范围内探测地下水例子。比较所做的三个僚共振测点的工作结果,确定出含中水情况较好部位,配合做了率对四极测探,其工作结果指示出一低阻区域,是地下水富集带。在设计的钻井位置钻探探打出了优质 下水,验证了核磁共振找水方法的推断结果。在对该磁共振找水方法研究和实践的基础上,指出：核磁共     

超临界水氧化中设备腐蚀的研究现状

超临界水氧化（SCWO）技术是近年发展起来的处理有机难溶废物的安全高效的新技术。在阐述超临界水的物理、化学性质的基础上，介绍了SCWO反应的工作原理和流程，分析总结了世界范围内开展的SCWO环境中设备腐蚀及监测技术等方面的研究动态，提出了我国SCWO技术研究的未来发展方向。     

AFS-830型双道原子荧光光度计同时测定饮用水中砷、汞

主要探讨应用AFS-830型双道原子荧光光度计，在饮用水监测中同时测定水中砷、汞的方法和技术。此法是在硝酸介质，以硼氢化钠作还原剂，进行原子化，被测元素原子激发出荧光强度值在一定范围内与被测元素的浓度成正比。砷与汞的检出限分别为0．0618和0．0158ug／L。     

省沽油中硒含量及其测定方法研究

采用消化液硝酸／高氯酸消解法、硝酸-硫酸消解法和微波消解方法消化省沽油，用原子吸收分光光度法测定硒（Se）含量。比较了3种消解方法在测定省沽油中的硒含量。发现微波消解法测定野生省沽油（干菜）中Se含量准确性好、时间段效率高、对环境污染少、操作简单。     

聚丙烯纤维组合填料在CAST水处理工艺中的运用

西南某市小型污水处理厂目前日处理能力为2万t.d-1,进水主要为生活污水(70%)和抗生素制药废水(30%)。由于各种原因,处理效果一直很差,尤其是CODcr、NH4-N两项指标很难达到国家排放标准要求。后经过一系列实验研究分析,发现向反应池中投加聚丙烯纤维(组合填料)对处理水质起到了很好的改善作用。     

企业资源管理拓展问题评述

企业资源管理问题是关系到提升企业核心价值和保持企业持续竞争优势的重要问题，企业资源管理的拓展是企业管理理论和实践的共同需要。在文献综述的基础上，从企业广义资源环境划分、企业资源管理范畴拓展、企业资源形式和属性等几个不同角度，对企业资源管理拓展问题进行了讨论和分析。     

国家级名镇(村)的旅游价值与开发模式探析

阐述了历史文化名镇（村）的概念和意义，并对80个国家级名镇（村）进行了划分，在此基础上分析了历史文化名镇（村）的开发现状与存在的问题。指出在80个历史文化名镇（村）中，有的已经创建了等级旅游区点，或被评为优秀旅游城市等，已将资源优势转化为产品优势；有的目前则少有开发成效。基于区域经济学的增长极、点轴、网络开发理论和可持续发展理念，提出了历史文化名镇（村）可持续开发的模式与建议。     

一维粘性泥石流运动的格子Boltzmann模拟

利用格子Boltzmann方法,对一维粘性泥石流的运动进行了定量化研究和数值模拟,为进一步研究泥石流的运动机制奠定了基础。在模拟一维粘性泥石流运动时,采用了含外力项的格子Boltzmann模型,通过对外力因子、平衡态分布函数的构造,使得宏观统计特性刻画了泥石流运动的非线性特征,成功模拟了泥石流的运动过程,获得了泥石流水深、流速两大要素的时空变化规律,为研究泥石流运动过程提供了一种新手段。     

Status of recycling end-of-life vehicles and efforts to reduce automobile shredder residues in Korea

The present end-of-life vehicle (ELV) recycle rate and management status during the dismantling stage were investigated to aid the establishment of policies for the management of ELVs by surveying information and using the results gained from questionnaires given to dismantlers. The average recycle rate at the dismantling stage was 44% of the mass of a new vehicle and the rest of the ELV was then compressed and transported to shredding companies to recover mainly the iron content, which averaged 38.7% of the mass of a new vehicle. Nonferrous metals such as copper, antimony, zinc, and aluminum accounted for only 1.5%. The automobile shredder residues (ASRs) were composed of light and heavy fluffs and soil/dust and amounted to 15.8% based on the mass of a new vehicle. The dumping of fluff and inorganic residues in landfill sites, however, will be restricted when new regulations are implemented to reduce the disposal amount to less than 5% of a new car, as has been done in European countries and in Japan. The detailed characteristics of ASR were investigated to suggest appropriate means of treatment such as volume reduction or the utilization of thermal technologies to meet future expected enforcement. Also, some concerns on hazardous pollutant release such as that of dioxins while utilizing such thermal treatment methods were considered. The present on-going research and development projects to meet such future management targets are also introduced.     

Compostability of Poly(lactide): Degradation in an Inert Solid Medium

Commercial poly(lactide) degradation was studied in an inert solid medium simulating compost conditions, with the aim to achieve a complete carbon balance of the polymer degradation. The mineralisation rate at the end of the test was compared to those obtained for poly(lactide) degradation in compost. It was shown that the mineralisation rate after 45 days of degradation was quite lower in inert solid medium than in compost but the standard deviation of data was enhanced. A protocol for both extraction and quantification of the carbon included in the different degradation by-products was proposed and the carbon balance of the polymer degradation was followed during the test with a satisfactory accuracy. The non-degraded PLA material was recovered during the test, hence the evolution of the glass transition temperature and the molecular weight was followed. A two-step degradation mechanism was highlighted in inert solid medium, showing the fundamental role of abiotic reactions for PLA degradation in compost.