魚類學者 的英文怎麼說

中文拼音 [yúlèixuézhě]
魚類學者 英文
ichthyologist
  • 魚 : 名詞1. （生活在水中的脊椎動物） fish 2. （姓氏） a surname
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 者 : Ⅰ助詞1 （用在形容詞或動詞後面 或帶有形容詞或動詞的詞組後面 表示有此屬性或做此動作的人或事物） 2 ...
  • 魚類 : fish
  • 學者 : scholar; learned man; man of learning
  1. Experts are still unsure about the ancestry of pterosaurs. they are currently classified as belonging to a group of reptiles known as archosaurs, which include crocodiles, dinosaurs and birds

    專家學者對于翼龍究竟如何演進而來仍然沒有定論。 ?們目前被分類歸在祖龍類，這一種爬蟲類包括鱷魚、恐龍和鳥類。
  2. Cluster analysis by upgma methods indicated that these five stocks might be divided into three clusters. results of rapd a nalysis suggested that extensive genetic diversity was detected in this species and the genetic divergence among stocks was relatively high ; upgma phylogenetic tree showed there existed three geographic populations of p. polyactis in the yellow sea and the east china sea, which supported the previous conclusion by morphological and ecological methods. part two : the genetic diversity between trichiurus lepturus and eupleurogrammus muticus random amplified polymorphic dna ( rapd ) technique was applied to 12 individuals from each species of the hairtail fishes trichiurus lepturus and eupleurogrammus muticus collected from the yellow sea

    50一2 . 44 ） ，群體內和群體間的遺傳變異比例分別為69 %和31 % ;群體間的平均遺傳相似度和遺傳距離分別為0 . 9139和o . q861 ;用非加權配對算數平均法（ unweightedpair - groupmethodofari山m七tiome即s ， upgma ）聚類分析的結果表明，所分析的5個群體可被分為3個地理群系，從分子水平上支持了過去有關學者把黃海和東海的小黃魚劃分為北中南3個地理群系的觀點。
  3. Different from mammals, the early embryos of fish can not be preserved for the long period at the very low temperature ( - 196 ). therefore, three methods were usually applied to cryogenic preservation of the fine and rare species of fish : 1 ) perserving fish spermatozoon in cryogenic condition. researchers have had systematically studied on this technique for many years, and this technique has been utilized in application and made a lot of effects ; 2 ) combining with the techniques of cell engineering ( nuclear transplantation and electric fusion etc. ), and through the process of culturing histiocyte of fish, cryopreservation and re - culture after thawing, carrying out somatic cell breeding of fish. the past studies showed that the nucleolus of somatic cells of fish have totipotency

    多年來，國內外學者對各種魚類精液的冷凍保存進行了大量的系統研究，目前這項技術已達到實用水平，並日益發揮作用；二是對魚類培養的組織細胞冷凍保存，通過魚類細胞的培養、超低溫凍存、解凍后再培養過程，結合細胞工程技術（如核移植、電融合等）進行體細胞育種；大量的研究結果表明魚類體細胞核具有發育的全能性，隨著細胞培養技術、細胞工程技術日益發展成熟，完全具備實現魚類物種種質長期保存的理論基礎和技術條件。
  4. Recently, because of concern about the effects of insecticide on the environment, in - creased attention 15 being given to the use of biological agents for controlling the vectors of human disease

    摘要由於化學殺蟲劑可能引起之副作用，包括捕食性及寄生性天敵、費洛蒙、昆蟲生長調節劑等，生物防治法浙受重視；至目前止，其中較有實用價值者，當推魚類及細菌。
  5. In addition, the website contains the " hong kong marine fauna database ", which is the first database consisted of photos and scientific information of over 1000 marine fishes and common commercial prawns in hong kong. the database is also equipped with a search engine to facilitate readers for easy browsing. it provides useful information to teachers and scientific researchers for education and research purpose

    更有全港首個設有搜尋器的香港海產資料庫，網羅一千多張海水魚類相片及經濟蝦類的詳盡科學資料以供瀏覽及參考，為老師及科學研究者提供有用資料，作教育和研究用途。
  6. With the development of the technology of cell culturing and cell engineering, so it is possible to preserve fish species for a very long time. 3 ) using embryonic stern cells ( es ). fish embryonic cell has the totipotency and is better f or breeding than somatic cell, but it can not so strong to resist the very low temperature

    三是通過es途徑。魚類胚胎幹細胞具有發育的全能性，利用魚類胚胎細胞育種比體細胞更具有優越性，但耐超低溫性不強，只有少數學者對魚類胚胎細胞進行凍存及發育潛能的研究，還沒有對魚類胚胎細胞進行凍存培養的系統研究。
分享友人
分享到 Line

分享到臉書