基于信号博弈的阳澄湖大闸蟹绿色标签市场应用分析

水产品绿色标签对消费者来说是高质量的信号,对卖家来说则是卖出高价的资本.但是欺诈行为的存在损害了消费者和其他卖家的利益,扰乱了市场秩序.以阳澄湖大闸蟹为例,通过信号博彝理论,对螃蟹市场中关卖双方的消费行为进行博彝分析,得到了精炼贝叶斯Nash均衡.     

基于TRIZ的方草捆收集车集捆装置设计

针对方草捆收集车集捆装置工作稳定性较差的问题，利用TRIZ系统分析方法及ProInnovator软件对集捆装置进行分析，提出了改进方案，对改进方案进行综合评价，得到了最优方案。      

沟槽滤棒压降影响因素的因子分析

[目的]深入研究沟槽滤棒特征参数及组成材料对滤棒压降的影响。[方法]选取常见的8种不同规格的沟槽滤棒及其主要组成材料为分析对象,采用相关性分析与因子分析,开展9个主要特征参数对沟槽滤棒压降的影响程度研究。[结果]试验表明,影响沟槽滤棒压降的特征参数间存在显著或极显著的相关性,相关系数矩阵中特征值大于1.0的前3个成分的累计贡献率达87.502%;由沟槽滤棒压降影响特征参数的旋转因子载荷矩阵得到3个公因子,总结定义后分别是:丝束总质量因子、单丝线密度/纤维素纸物理特性因子、沟槽特征参数因子。[结论]因子分析得出的公因子影响情况与实际沟槽滤棒生产检验过程中出现的情况基本吻合,进一步证实了沟槽滤棒特征参数对滤棒压降影响的准确性。     

安徽省农民“退宅进城入镇”的实践与成效——以天长市铜城镇为例

天长市铜城镇根据当地工业基础较好、农村"空巢户"较多、农民进城入镇的愿望较强烈的现状,通过调查研究,在集中民意的基础上规范操作,开展试点,循序渐进,创造条件,引导农民"退宅进城入镇",并积极引导农村土地流转,解除"退宅进城入镇"农民的后顾之忧。通过开展"退宅进城入镇"工作,为开发土地资源,增加经济效益,促进农地规范流转及农业现代化发展,助推城镇化进程,提高居民的生活质量探索了新道路。     

杉木种子园下套种三叶青的块根产量分析

该试验研究了杉木种子园不同坡位套种三叶青,以及三叶青不同栽植方式的块根产量,结果表明,下坡的平均单株块根产量和单位面积块根产量均最高,中坡表现也比较好,上坡最低。相对于上坡,下坡的平均单株块根产量提高145.0%,单位面积块根产量提高203.7%,保存率增加15%。相对于裸根栽植,营养网袋栽植的三叶青平均单株块根产量提高59.3%,单位面积块根产量提高103.8%,保存率增加18%。     

Biological functions and clinical significance of secretogranin III

AIM: Secretogranin III (SCG3/Sg III) is extensively distributed in endocrine or endocrine-like cells in human body and plays an important role in some biological functions by regulating peptide hormone secretion and neuroendocrine activity.The distribution and functions of SCG3 make itself as not only one of the most useful biological markers in association with neuroendocrine functions, but also a potential indicator of diagnostic and prognostic evaluation in certain diseases.The gene and protein structures, tissue expression, biological functions as well as pathophysiology and clinical significance of SCG3 are reviewed in this article.     

Association analysis for detecting significant single nucleotide polymorphisms for phosphorus-deficiency tolerance at the seedling stage in soybean [Glycine max (L) Merr.]

Tolerance to low-phosphorus soil is a desirable trait in soybean cultivars. Previous quantitative trait locus (QTL) studies for phosphorus-deficiency tolerance were mainly derived from bi-parental segregating populations and few reports from natural population. The objective of this study was to detect QTLs that regulate phosphorus-deficiency tolerance in soybean using association mapping approach. Phosphorus-deficiency tolerance was evaluated according to five traits (plant shoot height, shoot dry weight, phosphorus concentration, phosphorus acquisition efficiency and use efficiency) comprising a conditional phenotype at the seedling stage. Association mapping of the conditional phenotype detected 19 SNPs including 13 SNPs that were significantly associated with the five traits across two years. A novel cluster of SNPs, including three SNPs that consistently showed significant effects over two years, that associated with more than one trait was detected on chromosome 3. All favorable alleles, which were determined based on the mean of conditional phenotypic values of each trait over the two years, could be pyramided into one cultivar through parental cross combination. The best three cross combinations were predicted with the aim of simultaneously improving phosphorus acquisition efficiency and use efficiency. These results will provide a thorough understanding of the genetic basis of phosphorus deficiency tolerance in soybean.     

采用铺路毡料防止沥青路面反射裂缝的试验研究

采用土工合成材料防止反射裂缝的试验结果表明:使用铺路毡效果最好,而铺设玻璃纤维格栅由于出现粘结问题,将导致龟裂和孔洞的形成。按照法国L.R.P.C.Autun的评价体系,使用铺路毡的性价比比不用加筋材料的路面高3倍,比使用玻璃纤维格栅的高2倍,铺路毡性价比最高。