中文学位论文的服务创想

针对国内学位论文目前的服务状况及服务模式的分析和研究，列出了一些相应的管理与服务的实施方案，并在此基础上为了推进我所学位论文的服务提出了可供参考的对策及建议。     

2001-2005年河北省综合性三甲医院论文评价研究

以中国医院知识仓库期刊全文数据库（CHKD）为统计源,以河北省24家综合性三甲医院为研究对象,选择2001-2005年作为研究时限,应用文献计量学方法对河北省三甲医院论文发表的时间分布、地域分布、核心作者的机构分布等多项指标进行评价研究,揭示各地区、机构、学科及个人的科研产出情况及发展变化规律,为卫生行政主管部门及医院科研管理部门提供重要参考依据。     

Study on the Factors Influencing the Efficiency of Wheat Transformation

Wheat transformation efficiency is closely related to several factors such as receptor genotype, constructed plasmid and selection procedure after bombardment or co-cultivation. In our study, several kinds of antibiotics, which were normally used in plant transformation to the selection genes of nptⅡ, bar and hpt,were tested for the optimal concentrations for wheat transformation. The results showed that 25 - 50mg/L of geneticin (G418) was suitable for the selection of nptⅡ, kanamycin or neomycin was not suitable for use. 3 5mg/L of phosphinothricin (PPT) or biolaphos could be used for the selection of bar, 100 - 150mg/L of hygromycin for the selection of hpt. Yangmai 158 and Yangmai 10 with high tissue culture response and good agronomic characteristics were screened from 25 potential Chinese wheat cultivars. The concentration changing of selectable agent in selection medium was helpful to obtain enough regeneration plantlets with strong root system.     

二氢吡啶在饲料中的应用

二氢吡啶作为一种非营养性饲料添加剂,近年来在饲料生产实践中发挥着一定的作用。可以促进畜禽生长,提高日增体质量和饲料转化率,可以提高畜禽的产蛋性能与繁殖性能。文章综述了非营养性饲料微量添加剂二氢吡啶在猪、鸡、牛羊、水产饲料中的应用效果、作用机理、安全性及其应用前景。     

新形势下著者号的选取

通过对图书馆现有著者号选取方法的分析,指出其方法的不足之处,提出了改进的意见。     

川硬皮肿腿蜂防治柳树星天牛试验初报

星天牛是一类以杨树、柳树等为食的蛀干害虫,利用川硬皮肿腿蜂来防治其幼虫,结果表明,川硬上肿腿蜂对天牛幼虫的寄生效果最高可达43.63%,最低的也可达5.17%,2次平均可达26.93%。表明川硬皮肿腿蜂防治星天牛是一项行之有效的生物防治技术。     

番木瓜胶孢炭疽菌的生物学特性研究

对引起番木瓜（Carica papaya）炭疽病的胶孢炭疽菌（Colletotrichum gloeosprioides Penz.）的生物学特性进行了研究.结果表明,该病原菌菌丝生长的温度为10～35℃,最适温度为25～28℃,分生孢子萌发的温度为10～40℃,最适温度为28～30℃;该菌在pH 3～11的范围内均可生长,菌丝生长的最适pH为6,分生孢子萌发的最适pH为5;分生孢子萌发对相对湿度要求严格,在水滴中萌发率最高;该菌在完全黑暗条件下生长速度最快;葡萄糖、乳糖、果糖、蔗糖、麦芽糖、可溶性淀粉能促进分生孢子的萌发和形成;该菌的致死温度为55℃10 min.     

Study on the Pathogenicity of Chinese Strains of Subgroup J Avian Leukosis Viruses

The pathogenicity of 4 Chinese strains of subgroup J avian leukosis viruses (ALV-J), SD9901,SD9902, YZ9901 and YZ9902, was studied. The results showed that only SD9902 among the 4 strains induced mortality from myeloid leukosis (ML). In the 12 meat-type chickens inoculated with SD9902 at 1-day-old, 9died between 22 days and 38 days after inoculation. No death or ML was found in chickens inoculated with the other 3 strains during the period of 6 months. These results suggested the SD9902 strain of ALV-J was an acute transforming virus, but SD9901, YZ9901 and YZ9902 were non-transforming viruses. All 4 Chinese strains did not induce any tumors in egg-type SPF chickens during 7 months after hatching when viruses were injected into 11-day-old embryos.     

灌芯混凝土小砌块配筋砌体的正截面计算

为使混凝土小型空心砌块得到广泛的应用，促进小型砌块技术的发展，本文对灌芯混凝土小砌块配筋砌体的静力和抗震设计的计算方法与规定作了简要阐述。     

小麦品质与面条品质关系的研究

以普通机制面条为对象，研究了小麦品质指标对面条品质的影响。结果表明，蛋白质含量、面团稳定时间是影响面条蒸煮吸水率的主要品质指标，沉淀值是影响干物质失落率、蛋白质损失率的主要品质指标。干物质失落率是面条品质重要的评价指标。