| 1. | Phylogeography of the freshwater crabs among east asian islands , eastern and southern china ( 13 ) 东亚岛屿与华东、华南淡水蟹之亲缘地理学 |
| 2. | Phylogeography of the freshwater crabs among east asian islands , eastern and southern china ( 23 ) 东亚岛屿与华东、华南淡水蟹之亲缘地理学 |
| 3. | Zoologists discovered the colony of freshwater crabs when they examined water quality in a channel running under the imperial forum 据每日电讯报10月31日报道,考古学家在检查广场地下水渠的水质时发现那里竟然有大约550只淡水螃蟹安营扎寨。 |
| 4. | The freshwater crab is widely distributed in chinese freshwater area , while the sinopotamon yangtsekiensei is a kind of representative one of the freshwater crab 溪蟹广泛分布在我国的淡水水域中,而长江华溪蟹( sinopotamonyangtsekiense )是此类动物中的代表动物。 |
| 5. | The freshwater crab is widely distributed in chinese freshwater area , while the sinopotamon yangtsekiensei is a kind of representative one of the freshwater crab 溪蟹广泛分布在我国的淡水水域中,而长江华溪蟹( sinopotamonyangtsekiense )是此类动物中的代表动物之一。 |
| 6. | Sinensis might be recognized . the mitten crabs and freshwater crabs are different lineages of nonmarine crabs . the former belongs to adults - limnic , the latter to entirely inland forms 绒螯蟹与淡水蟹是2个不同类型的非海洋蟹类,前者属于成体湖沼型;后者属于完全内陆型。 |
| 7. | Section : laboratory experiment was carried out to determine mercury accumulation in four organs that were gills , heart , hepatopancreas and gonad of freshwater crab sinopotamon yangtsekiense by using atomic absorption method 汞在长江华溪蟹四种器官的积累以体外暴露的方式,采用还原气化原子吸收的方法,测定了长江华溪蟹鳃、心脏、肝胰腺和性腺中汞的积累情况。 |
| 8. | 55mg / l [ hg2 ] ) for 48 days , the changes of hg2 + on ultrastructure of the myocardial cells of the freshwater crab sinopotamon yangtsekiense ( ) at three different times was studied . sixty freshwater crabs ( ) were divided into two groups : control ( n = 30 ) and test ( n = 30 ) groups 汞对长江华溪蟹心肌细胞超微结构的影响应用透射电镜的方法,研究了汞在12天、 28天及48天内对长江华溪蟹心肌细胞超微结构的影响。 |
| 9. | Section 1 : after an experimental exposure to low dosage of cd2 + ( 1 . 87mg / lcd2 + concentration ) for 30 days , the changes of cd2 + on ultrastructure of the hepatopancreas cells of the male freshwater crab s . yangtsekiense at three different times was studied by using transmission electro - microscopy ( tem ) 镉对长江华溪蟹肝胰腺细胞超微结构的影响应用透射电镜技术( tem ) ,观察了低浓度镉( 1 . 87mg l [ cd ~ ( 2 + ) ] )在不同时间段对长江华溪蟹肝胰腺细胞超微结构的影响。 |
| 10. | The phylogenetic analysis of these two nonmarine crabs together with intertidal , supratidal and swimming crabs based on portions of mitochondrial 16s rdna sequences suggested that grapsioidea , ocypodoidea , potamoidea and portunoidea arose from a common marine ancestor , and the estimated divergence time are similar . the freshwater crab phylogeny suggested that the genus sinopotamon and the genus potamonautes arose from a common ancestor and the estimated divergence time is about 36 - 44 mya 基于线粒体16srdna部分序列,对这2个类型的非海洋蟹类与潮间带蟹类、海洋蟹类之间的系统发生分析提示,方蟹总科( grapsioidea ) 、沙蟹总科( ocypodioidea ) 、溪蟹总科( potamoidea )和梭子蟹总科( portunoidea )的蟹类起源于一个共同的海洋蟹类祖先,它们彼此之间的歧异时间基本一致。 |