instar larvae 中文意思是什麼

instar larvae 解釋
幼蟲齡期
  • instar : n. (蟲)齡〈幼蟲兩次蛻皮之間的蟲期〉。vt. (-starred, -starring)1. 嵌星,飾以星。2. 〈古語〉把…擺成星狀。
  • larvae : (復)幼蟲
  1. Objective the bioactivity of twelve novel pyridine ring derivatives of podophyllotoxin were tested against 3rd instar larvae of culex pipiens pallens

    摘要目的研究新型吡啶類鬼臼毒素衍生物對3齡淡色庫蚊幼蟲的的毒殺活性。
  2. Transgenic bt cotton mainly affect high - instar larvae by retarding the growth and intering the proceeding of ecdysis, pupation, and eclosion. the growth retardation leads to the postponement of growth period duration ( the showed that growth period duration prolonged 17 days ). feeding the larvae with the tissue of the transgenic bt cotton and the moths with the flower of transgenic bt cotton, the number of eggs and hatching rate decreased obverviously

    轉基因藥防田中,天敵昆亞群落的個體數占整個昆蟲群落總個體數的10 . 0 % ,其優勢種為蜘蛛類、七星瓢蟲( coceinellas叩te即uneitatalinnaeus ) 、龜紋瓢蟲( prol , laea少只ponjcagoeze ) 、大眼蟬長蜷( prqp . ylaeajaponicagoeze )和草嶺(助rys叩asepre即unetatawesmael ) 。
  3. The functional responses of 2 - 4 instar larvae and adult of d. catalinae to eggs of t. nr

    小黑瓢蟲2 ? 4齡幼蟲及成蟲對紅蜘蛛卵的功能反應均屬holling型。
  4. The morphological diagnostic characters for many mature and early instar larvae are still lacking in china. partial sequences of the mitochondrial cytochrome oxydase i and ii and a transfor rna ( co i co ii and trna ) gene of the adults and larvae from caddisflies were. lepidostomaflavum, l. fui, l. arcuatum, paraphlegopteryx morsei, apsilochorema unculatum and apsilochorema hwangi, and the larval and adult stages of these species were sequenced and associated

    採用dnastarpackage中的editseq軟體進行序列編輯、 orf查找;採用clustalx軟體進行序列比對( alignment ) ;比對結果輸入mega2 . 1軟體計算各樣品間的遺傳距離,並基於kjmura2 - parameter模型,用鄰接法( neighbor - jojning , nj )構建系統發生樹,通過自展( bootstrap1000次)檢驗獲得系統樹分支的置信度。
  5. The functional response of the first, second and third instar larvae of e. balteatus preying on macrosiphum avenae ( f. ) show the rolling ii type with better fitting

    黑帶食蚜蠅各齡幼蟲對麥長管蚜macrosiphumavenae ( f . )的捕食功能反應用holling ?型和新holling ?型功能反應模型擬合均較好。
  6. There are mutual interference among the third instar larvae of episyrphus balteatus de geer, and the searching efficiency decreases and the intensity of scrambling competition increases with increase of its density

    黑帶食蚜蠅3齡幼蟲存在著種內干擾,其尋找效應隨著自身密度的增加而降低,其分攤競爭強度隨著自身密度的增加而增加。
  7. As a consequense of eutrophication, chironomid larvae excessively propagates in water sources, such as reservoir and fresh lake, which induced the 1st instar larvae of chironomid in source water to enter drinking water treatment system

    水體富營養化使得搖蚊幼蟲在水庫、湖泊類水源中大量孳生繁殖,直接導致其可以在給水處理系統中出現。
  8. In the laboratory when the first - instar larvae, third - instar larvae, and fifth - instar larvae of cotton bollworm fet with all kinds of tissues of transgenic bt cotton, the result showed that transgenic bt cotton can easily cause death to low - instar larvae and this effect deteriorates on high - instar larvae

    轉bt基因棉對棉鈴蟲幼蟲的行為活動有較大的影響,表現為取食時間明顯減少,靜息、吐絲下垂和爬行時間明顯延長。棉鈴蟲幼蟲取食轉bt基因棉后,發育速度的減慢導致其生育期的延長。
  9. The parasitized dbm larvae had prolonged their 4th instar duration obviously, and the later the larva had been parasitized, the longer this extended duration became

    小菜蛾幼蟲被寄生后,其4齡發育歷期較未被寄生的顯著長,且寄生時齡期越大4齡歷期延長越多。
  10. In the experiment, the first instar housefly larvae " metallothionein mrna expressing reach maximur. after induced by cd ( 2mm ) for 48 hours, then total rna was extracted with guanidinium isothiocyanate, and mrna was isolated by the polyattract mrna isolation systems surplied by promega company

    試驗中採用2mmcd ~ 2對家蠅初孵幼蟲誘導48小時,使其體內金屬硫蛋白mrna表達達到高峰,在液氮中將其研磨成粉末后採用異硫氰酸胍法提取總rna ,再用promega公司提供的小量分離mrna試劑盒純化mrna 。
  11. Several researchers reported that chironomid larvae is difficult to inactivate using free chlorine at concentrations commonly used in drinking water utilities. in addition, the 1st instar larvae can easily penetrate sand filter and then goes into waterworks reservoir and municipal service pipe due to its motility

    1齡搖蚊幼蟲具有較強的游動性,可以穿透濾池進入到清水池中,由於常規的水處理消毒工藝對其難以有效地滅活,在我國一些大中城市的管網水中都曾發現過搖蚊幼蟲。
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