幼虫
- 与 幼虫 相关的网络例句 [注:此内容来源于网络,仅供参考]
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However, the food composition of the M. albus with body length more than 100mm were quite consistent, with Chironomidae, Oligochaeta, Pheretima, Cladocera, Copepoda and insect larvae as the major food items.
而全长101-200mm的幼鳝及全长大于200mm的成鳝的食性,随全长变化相对稳定,且幼鳝和成鳝的食谱基本相同,其主要食物组成均包括摇蚊幼虫、水生寡毛、蚯蚓、昆虫幼虫、枝角类和桡足类等。
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Coccinella septempunctata adult life span is longer, an average of 77 days, to adults and larvae prey aphids, spider mites, whitefly, corn borer, Helicoverpa armigera larvae and eggs and so on.
七星瓢虫成虫寿命长,平均77天,以成虫和幼虫捕食蚜虫、叶螨、白粉虱、玉米螟、棉铃虫等幼虫和卵。
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The results showed that the mortality of the larvae caused by infection of Metarhizium anisopliae increased with the concentration of conidial suspension and the time after treatment.
结果表明,分离出的虫生真菌为金龟子绿僵菌菌株;随金龟子绿僵菌孢子浓度的升高,华北大黑鳃金龟幼虫的感病死亡率增加,在浓度为2.1×104、1.9×105、2.2×106、2.0×107、1.8×108个孢子/ml时,幼虫的累计死亡率分别为20 %、65 %、90 %、100 %和100 %。
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The linear relationship between creaturely activity for alcohol, aether, ketone and ester and the molecular topological index is obtained.
研究了醇、醚、酮和酯对水生生物毒性、蝌蚪麻醉活性、沙镯幼虫麻醉活性、番茄植物毒性、红蜘蛛毒性、藤壶幼虫麻醉活性、局部麻醉剂活性和小鼠毒性等八种生物活性分别同其分子连接性指数的相关性。
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Any of various small moths or dipterous flies whose larvae burrow into and feed on leaf tissue esp.
各种小蛾子或双翅目飞虫,其幼虫幼虫钻入并取食植物特别是叶片组织。
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Epicauta chinensis Laporte was raised in our lab and the results indicate that the adults like to eat the leaves of clover, soybean, sugar beet and potato. The best way to serving foods to the adults is inserting the plants into bottles full of water. While the larvae like eating the ovum dollops of L. migratoria manilensis and it will be easier for the first instar larvae to find and eat with top of the ovum dollops slightly out of soil.
室内人工养殖中华豆芫菁 Epicauta chinensis Laporte 的结果表明:成虫喜食苜蓿、大豆叶,也取食甜菜和马铃薯的叶;最适宜的投食方式是将植物插入盛水的瓶内;幼虫喜食东亚飞蝗卵块,尤其是顶端微露于土表的卵块最易被中华豆芫菁1龄幼虫找到并取食。
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The results showed that either higher or lower parasitic density of glochidia, either longer or shorter parasitic time, the quantity of glochidia infested on yellow catfish and grass carp was obviously higher than that on silver carp, bighead and crucian carp.
选用黄颡鱼、草鱼、鲢、鳙和鲫作为三角帆蚌的寄主鱼,分析了寄苗悬液钩介幼虫密度和寄苗时间对5种鱼初始寄苗量的影响,并对寄生在这5种鱼上的钩介幼虫发育情况进行了观察。
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Results The peak of antibacterial activity appeared at 36-48 hafter induced by four inducements (Because many M.domestica larvae pupated,we did not observe the peak of antibacterial activity by heat-shock). The antibacterial activity of antibacterial proteins by S.aureus was best,and the antibacterial activity of antibacterial proteins by heat-shock was better than control group.
结果 各诱导组诱导家蝇幼虫产生抗菌蛋白达最大活性时间为诱导后36~48h(热诱导后家蝇幼虫很快化蛹,未观察抗菌蛋白产生高峰时间);金黄色葡萄球菌诱导后的抗菌蛋白抗菌活性最佳,热诱导后的抗菌蛋白抗菌活性也较未诱导组好。
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Pupation rate, immatured worm, dead cocoon rate, cocoon shell weight, cocoon weight, percentage of cocoon shell weight, cocoon crop from 10000worms and cocoon shell weight from 10000 worms were controlled by genes with additive and dominant effects, but no epistatic effects in these traits.
结果表明,家蚕的虫蛹率、幼虫生命率、死笼率、全茧量、茧层量、茧层率、万蚕收茧量、万蚕茧层量8个性状同时受基因的加性效应和显性效应控制,不存在上位作用,茧层量、茧层率、万蚕收茧量呈现部分显性,虫蛹率、幼虫生命率、死笼率、全茧量、万蚕茧层量5个性状则呈现超显性。
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At the concentration of 0.1%, compounds Io and Ij showed respectively 85% and 55% larvicidal activities to armyworm.
其中化合物Io和Ij在药剂浓度为0.1%时,对粘虫幼虫的死亡抑制率分别为85%和55%,并对幼虫蜕皮有一定的抑制作用。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。