| 1. | Formula feed for chinese mitten - handed crab 中华绒螯蟹配合饲料 |
| 2. | Chinese mitten - handed crab 中华绒螯蟹 |
| 3. | Thus , a left - handed snail presents a right - handed crab with a challenge ? and one that it usually cannot be bothered to accept 沿袭这个道理,左撇子蜗牛也就给右撇子的螃蟹提出了一项挑战- -和一个通常无法接受的烦恼的事实。 |
| 4. | Modern - day right - handed crabs orient their prey with the shell pointing away from their body and the opening on the right - hand side 如今右撇子的螃蟹懂得调整猎物- - -让蜗牛的壳尖远离自己的身体而让蜗壳口对着自己的右边。 |
| 5. | What they suspect is happening is that left - handed snails avoid the attentions of right - handed crabs because these dexterous crustaceans find it tricky to eat lefties 他们猜想当时的情况可能是左撇子的蜗牛不会引起右撇子螃蟹的兴趣,因为这些惯用右爪的螃蟹发现要吃这些会向左转的家伙比较难。 |
| 6. | Mitochondrial dna has been used in researches on heredity structure of animal strain and strain identification in the past few years . chinese mitten - handed crabs from yangtze , liaohe and oujiang rivers were studied in our research 线粒体dna以其结构简单、进化速度快、无组织特异性等特点已被较多的运用到动物种群遗传结构分析及品种鉴定的研究。 |
| 7. | The chinese mitten - handed crab , eriocheir sinensis , is considered to be one of the most important species for commercial production in china . nutritional requirement for protein at different grow stages has been studied by many researchers 研究发现虾蟹对蛋白质的营养需求与多种内外因素密切相关,如生长发育的阶段、生理状况、饲料蛋白源及其生存环境等。 |
| 8. | 1 . isolation , purification and characterization of lipovitellin from the ovary of female eriocheir sinensis broodstock lipovitellin was extracted and purified using gel chromatography and electrophoresis procedures from ovaries of chinese mitten - handed crab . one kind of lipovitellin was obtained 一、中华绒鳌蟹卵黄磷蛋白的分离、纯化与鉴定目前在判定虾蟹卵巢成熟和卵质时,大多采用性腺指数、蛋白质和脂类的组成与含量等生化指标,尚不够全面。 |
| 9. | Species resources on chinese mitten - handed crab ( eriocheir sinensis ) have been intimately attached attention to in aquaculture . at first , morphological research was used , and isoenzyme and rapd ( random amplified polymorphic dna ) technique subsequently . these studies showed differences between different water systems from macrocosmic to microcosmic aspect 中华绒螯蟹种质资源的研究一直受到水产界人士的密切关注,从最初形态学的研究开始,经历了同功酶分析、 rapd技术分析等,这些研究从宏观到微观等不同的方面揭示了不同地理水系中华绒螯蟹之间的差异。 |