理学 >>> 数学 信息科学与系统科学 物理学 化学 天文学 地球科学总论 大气科学 地球物理学 地理学 地质学 水文学 海洋科学 生物学 科学技术史
搜索结果: 1-14 共查到理学 Carp相关记录14条 . 查询时间(0.187 秒)
Fish are a rich source of omega-3 polyunsaturated fatty acids (n-3 PUFAs) and thus, they should be an integral part of human diet at least twice a week. As a result, high attention has been devoted to...
Assessment of seminal oxidative stress indicators is emerging as a valuable prognostic tool in assisted reproductive technology. We investigated levels of oxidative stress caused by reactive oxygen s...
The total content of fat soluble vitamins and their percentages in the recommended daily intake for humans per 100 g portion, fatty acids composition, the atherogenic (IA) and thrombogenicity (IT) ind...
双层CARP优化问题不仅要解决微观路径优化问题, 还要解决宏观配置优化问题, 最大程度地降低整体系统的固定成本和运行成本. 提出了一种求解双层CARP优化问题的知识型蚁群算法: 构建了一个动态参数决策模型, 并采用该模型为每次迭代动态地选择一组合适的参数; 基于弧段聚类知识和弧段顺序知识来构建可行解; 采用2-Opt方法对每次迭代中的最优解进行局部优化. 实验结果表明知识型蚁群算法在优化性能方面优...
The histological changes of gonads were studied in Aphanius persicus from the Barm-e-Shoor spring (south of Iran). The gonads were extracted and prepared histologically. The maturity stage of each spe...
摘要以雌核发育银鲫和两性生殖彩鲫的成熟卵为材料,分离卵壳,经处理得到卵壳可溶性蛋白组分。SDS-PAGE梯度凝胶电泳分析在雌核发育银鲫中揭示出3条较明显的差异蛋白带。同时,采用相同处理方法对受精前后卵壳蛋白组分进行比较分析后发现,这些差异蛋白带在受精后发生了变化,其带纹表现为减弱或消失,表明这些差异蛋白可能与受精过程相关。 Abstracts:Egg chorions were isolated...
期刊信息 篇名 Application of the random amplified polymorphic DNA technique in a study of heterosis in common carp,Cyprinus carpio L 语种 英文 撰写或编译 撰写 作者 董在杰 第一作者单位 中国水产科学研究院淡水渔业研究中心 刊物名称 Aquaculture Research ...
期刊信息 篇名 Differential gene expression of protein kinases in oocytes between natural gynogenetic silver crucian carp and amphimitic crucian carp 语种 中文 撰写或编译 撰写 作者 Xie,J.,Zhu,Y.,Zhang,F.,Gui,J.-F. 第一作者单位...
期刊信息 篇名 Comparative Investigation on Spindle Behavior and MPF Activity Changes During Oocyte Maturation between Gynogenetic and Amphimictic Crucian Carp 语种 英文 撰写或编译 撰写 作者 YANG,Z.-A.,LI,Q.-H.,WANG,Y.-F...
Karyotypic diversity in polyploid gibel carp, Carassius auratus gibelio Bloch           font style='font-size:12px;'> 2007/7/28
期刊信息 篇名 Karyotypic diversity in polyploid gibel carp, Carassius auratus gibelio Bloch 语种 英文 撰写或编译 撰写 作者 Zhou L,Gui JF. 第一作者单位 中国科学院水生生物研究所 刊物名称 Genetica, 2002, 115(2): 页面 223-232. 出版日期 2002年 月 日 文章标识(...
Biological characteristics such as sex, age and length compositions, growth, condition factor, reproduction, mortality and exploitation rates of the silver crucian carp, Carassius gibelio (Bloch 1782)...
Random amplified polymorphic DNA (RAPD) analysis based on numerous polymorphic bands have been used to investigate genetic similarity and diversity among and within two cultured and wild populations r...
In this study, growth in the carp population was investigated using samples caught with longline nets of different mesh sizes. Mortality rate and stock analysis were calculated by length frequency dat...
In this study, the selectivity of monofilament gill nets used for fishing carp in Lake Beyşehir was studied. Monofilament gill nets with mesh sizes of 7, 8, 13 and 14 cm were used in experimental...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...