instar 中文意思是什麼

instar 解釋
n. 名詞 （蟲）齡〈幼蟲兩次蛻皮之間的蟲期〉。
vt. 及物動詞 （-starred, -starring）1. 嵌星，飾以星。
2. 〈古語〉把…擺成星狀。

  1. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收集、整理國外對胭脂蟲的研究資料基礎上，首先從胭脂蟲的形態學、分類學、生物學特性入手，進而在實驗室內利用人工氣候箱，應用正交設計方法，設計了4種溫度、 2種濕度、 2種光照梯度的不同組合，通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標，深入研究胭脂蟲在這些組合下的生長發育狀況，應用數理統計方法，分析出溫度、濕度和光照對各項生物學指標的影響，找出胭脂蟲適宜的室內培育條件，並為野外胭脂蟲的培育提供一定的理論依據。
  2. 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。
  3. 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 ） 。
  4. Peport of composition of silkworm in fifth instar dealt with bean milk

    五齡桑蠶節桑添食豆漿配方試驗報告初報
  5. Photoactivity extracts of tateges erecta on the 3th instar larvaes of chihuo zao

    萬壽菊根氯仿提取物對棗尺蠖的光化學活性研究
  6. Observation of morphology of third - instar warble in yak by scanning electron microscopy

    應用掃描電子顯微鏡對氂牛皮蠅三期幼蟲的形態學觀察
  7. 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。
  8. 7. the searching behavior of the third instar larva of e. balteatus has been studied

    黑帶食蚜蠅幼蟲的捕食行為過程一般是：搜索?捕捉?取食?清潔?休息?搜索。
  9. Objective to observe the hemocytes of musca domestica larva of the 3th instar by giemsa ' s staining

    摘要目的通過姬氏染色法以便觀察家蠅三齡幼蟲的各種血細胞形態。
  10. The newly molted 5th instar larva of silkworm bombyx mori was infected with the recombinant virus

    另外，通過共轉染和篩選純化獲得了攜帶appa基因的重組家蠶桿狀病毒。
  11. 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。
  12. The daily maximum number of m. avenae preyed theoretically by the first, second and third instar larva of e. balteatus are 5. 13, 26. 00 and 119. 26 aphids respectively. 2

    黑帶食蚜蠅1齡、 2齡和3齡幼蟲對麥長管蚜的日最大捕食量分別為5 . 13頭、 26 . 00頭和119 . 26頭。
  13. 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。
  14. 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。
  15. 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。
  16. The best searching densities of the first, second and third instar larva of e. balteatus are 6. 73, 10. 09 and 44. 03 aphids respectively. 3. the predation ratio of e. balteatus is the lowest at 14 ? and the predation ratio at 18 c, 22 c, 26 c and 30 c are not different

    黑帶食蚜蠅1齡、 2齡和3齡幼蟲對麥長管蚜的最佳尋找密度分別為6 . 73頭、 10 . 09頭、 44 . 03頭，這對田間利用黑帶食蚜蠅幼蟲防治麥長管蚜有一定參考價值。
  17. 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。
  18. 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。
  19. When every s. guan carried about 1 10 ^ 7 spores of coccoid beauveria bassiana, and touched the 4 5 - instar of m. alternatus larva with 1 : 1, 1 : 2 and 1 : 3, the ratios of m. alternatus amounts to s. guan amounts, the parastizing infecting death rates were 55 %, 75 %, and 100 % respectively ; s. guan carried coccoid beauveria bassiana to control m. alternatus in the wood section, and the rate was 87. 13 %

    每隻管氏腫腿蜂攜帶球孢白僵菌約1 10 ^ 7個孢子時，對4 5齡松墨天牛幼蟲按蟲蜂比1 : 1 、 1 : 2和1 : 3接蜂，寄生感染死亡率分別為55 % 、 75 %和100 % ；管氏腫腿蜂攜帶球孢白僵菌防治木段內的松墨天牛幼蟲寄生感染死亡率為87 . 13 % 。
  20. 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 。
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