重组人类T淋巴细胞白血病病毒抗原及双抗原夹心法ELISA抗体诊断试剂盒的研制

为研制灵敏、特异的抗人类T淋巴细胞白血病病毒(HTLV)抗体诊断试剂,将一段HTLV Ⅰ和HTLV Ⅱenv区嵌合基因在大肠杆菌中表达,获得的重组抗原具有良好活性。将该抗原作为酶标记抗原建立双抗原夹心法ELISA(dsELISA),对31份HTLV Ⅰ型血清和19份HTLV Ⅱ型血清均能100%检出,而在5065份各种阴性血清中特异度为99 94%。用dsELISA试剂与进口间接法试剂(GeneLabs试剂)平行检测18份HTLV Ⅰ参比血清、17份HTLV Ⅱ参比血清和1024份献血员血清,结果dsELISA试剂正确率为100%,对HTLV Ⅰ型血清和HTLV Ⅱ型血清的反应性基本相同,平均s/co值显著高于GeneLabs试剂。而GeneLabs试剂对HTLV Ⅱ型血清的反应性显著弱于Ⅰ型,并有2份BBI参比血清中的Ⅱ型血清漏检。另外,GeneLabs试剂在献血员血清中出现9例假阳性,特异性显著低于dsELISA试剂。这些结果表明:所研制的dsELISA试剂可用于HTLV Ⅰ型和Ⅱ型血清的检测,其灵敏度和特异度均优于进口间接法诊断试剂

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江西靖安老虎墩东汉墓发掘简报

靖安县博物馆2009年10月--2010年1月,江西靖安老虎墩遗址联合发掘队对位于靖安县高湖镇中港邓家的老虎墩遗址进行发掘期间,在发掘区内清理东汉时期墓葬2座,分别编号为09JglM0、09JglM50,以下简称M0、M50。现将墓葬清理情况简报如下。发掘区地层堆积:第1层为耕土层;第2层为明代堆积;第3层为汉晋时期堆积;第4层及以下为新石器时代晚期堆积。M0和M50均开口于3层下,打

Liability of Transnational Bank for Its Foreign Branches

银行跨国经营，随之产生总行如何承担海外分行债务的问题。对此，包括中国在内的许多国家法律要求总行负完全责任。而美英在判例甚至在立法中已经对总行的这种责任进行了限免，并且有独立实体原则、当地履行原则等理论支持。这种分歧不仅关系到存款人的利益保护，而且涉及到对跨国银行的金融监管问题。为此，中国有必要采取相应的应对措施。This article discusses the issue which is whether,and if so in what circumstances a bank's head office in America or England will be liable for its foreign branches ,and China's countermeasure to it

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近年来,中国公司寻求在美国证券市场融资的热情有增无减,其融资的方式也多选择在交易所挂牌或 NAS-DAQ 上市,然而美国对证券注册登记的严格要求一直是中国公司进入其证券市场的一大障碍。在这种情况下,私募发行证券有时是中国公司更好的选择。事实上,私募发行也一直因可免于登记并且风险小、成本低而倍受相当多美国公司的青睐。本文即试对私募发行所涉及的相关法律问题予以探析,以期裨益于有意在美国融资的中国企业

Coagulation Performance of Flocculants Composed of Polysilic Acid and Al30

制备了一种新型的复合聚硅铝三十（PSiAl30）类絮凝剂，与常规聚合氯化铝PAC（以Al13为主）和Al30絮凝剂作对比，通过烧杯混凝实验，考察了其对腐殖酸一高岭土悬浊液的混凝效果。结果表明，复合硅的PSiAl30系列既有Al30的电中和能力，又起吸附架桥作用。PSiAl30圳絮凝剂对水体酸碱度影响小，可适用于低碱度水体。弱碱性范围内，硅，铝比为0．05的PSiAl30有最高的TOC去除率，最低的投药量，并能显著提高对非芳烃类的去除能力

Coagulation Performance of Flocculants Composed of Polysilic Acid and Al_(30)

A new type of flocculant composed of polysilic acid and Al_30(PSiAl_30) was synthesized.Comparing with Al_30 and traditional PAC dominated by Al_13,its performance on coagulation of humic kaoline suspension was studied.Results showed that the composites may exert both charge neutralization as Al_30 and bridge absorption as polysilic acid.PSiAl_30 is more adaptable for application in aquatic system with low alkalinity since it less affects pH of suspension.PSiAl_30 with Si/Al molar ratio of 0.05 is optimal in coagulation for the highest TOC removal,lowest dosage and improving the removal of non-aroma matters in humic acid significantly.</p

From Nostalgia to Network Social Circle——The marketing revelation of the post-80s’nostalgia communication on internet

80后群体的网络怀旧传播具有广泛性和特殊性，并刺激了怀旧消费。文章通过实证研究得出以下结论：80后群体普遍具有怀旧情结；对怀旧现象有着较为统一的认识；网络怀旧行为越强，越容易购买怀旧类产品，加入圈子的80后群体更容易购买怀旧类产品。同时推断80后群体的网络怀旧带动其加入同城圈子的行为激发了他们以归属为目的的网络社会交往。对于营销者来说，全面了解80后群体的网络怀旧行为能够更好地进行营销和广告活动。 The post-80s’ nostalgia communication on internet has a deep impact on the nostalgia consumption. This paper based on the empirical study to provide these conclusions: the post-80s’has a widespread nostalgia emotion and has a same opinion about it. The more their nostalgia communications behaviors on internet, the more nostalgia goods they will buy. This paper also concludes that The post-80s’ nostalgia communication lead the post-80s to join in the network social circle and stimulate the networking between the post-80s. To the marketing manager, it is better to benefit from marketing practice if they know better about the post-80s’ nostalgia

A Sinology vision of International Chinese Education Research： the review on the International Symposium on the History of Chinese Teaching Materials ＆ the 8th Annual Conference of the Institute for the History of Chinese Language Education in the World＂

世界汉语教育史、国际汉学史的研究是目前学界关注的热点论题，“汉语教材史国际学术研讨会——世界汉语教育史研究学会第八届年会”的研讨内容分别涉及国际汉语教材、世界汉语教育史、汉语语音、汉字、词汇、语法、文化、汉学和汉语传播等方面，既有新材料，又有新方法和新角度，展示了汉学背景下国际汉语教育研究的新视野。The research on the History of Chinese Language Education in the World and the History of International Sinology is the hot topic that the academic circles focus on at present. The contents of The International Symposium on the History of Chinese Teaching Materials the 8th Annual Conference of the Institute for the History of Chinese Language Education in the World were involved in international Chinese Chinese are new Chinese teaching materials, the History of Chinese Language Education in the World, Chinese phonetics, characters, vocabulary, grammar, culture, Sinology, Chinese communication and so on. There materials, as well as new methods language education research under and new perspectives, showing a new vision of international the background of Sinology.国家社会科学基金项目“19世纪稀见英文期刊与汉语域外传播研究”（15BYY052）、教育部人文社会科学规划项目“17-19世纪欧洲汉学视野中的汉语类型特征研究”（13YJAZH021）、厦门大学社科繁荣计划科研启动项目“欧洲的汉语传播与华文跨境教育研究”（2013HGF04）、两岸关系和平发展协同创新中心专项课题的阶段性成果