查询词典 larva

The small, free-swimming, ciliated aquatic larva of various invertebrates, including certain mollusks and annelids.

担轮动虫多种水生无脊椎动物，体型很小能自由游动的、有纤毛的幼虫，包括某些软体动物和环节动物的幼虫

The ovum, the larva ,pupa and development starting point temperature of the whole generation respectively are 8.5℃, 9.8℃, 10.2℃, 10.4℃ in cineraria, effective accumulated temperature 52.7、 75.8、 158.5、

在瓜叶菊上采集的美洲斑潜蝇卵、幼虫、蛹和全世代的发育起点温度分别为8.5℃、9.8℃、10.2℃、10.4℃，有效积温分别为52.7、75.8、158.5、262.2日·度。

The water quality should be in accordance with the regulation of 'water quality regulation for fresh water cultivation' during process of megalops larva growing into young crab; supplying fresh minced fish and pig blood for I claver crab; the animal bait before July and after September for young crab culturing is over 70%, and from July to September is over 90%.

在从大眼幼体经仔蟹长成幼蟹的过程中，培育池水质应符合《淡水养殖用水水质》的规定；I期仔蟹后喂新鲜的鱼糜加猪血，豆腐糜；幼蟹培育阶段的七月前、九月后动物性饵料占70％以上，七月至九月期间动物性饵料占90％以上。

The main study contents and result showed followlly:Combined with the former describe of codling moth, the morphologic charater of every stage has been observed carefully and the separation standard of larva in stars has been researched.

主要研究内容和结果如下：结合前人对苹果蠹蛾的描述，对其各虫态的形态特征进行了细致的观察，并对苹果蠹蛾幼虫的分龄标准进行了研究。

Objective To study the activity of relationship between esterase,acetylcholinesterase and the resistance to propoxur in the larva of Culex pipiens pallens .

目的 研究淡色库蚊对残杀威抗性与酯酶和乙酰胆碱酯酶的关系。

The major onseting period of blank cutworm is between middle and later of April and May in Dewu region. Often it would take 60 to 66 days of one generation from egg to larva, pupa, and imago in Dewu region.

2小地老虎在德坞地区对玉米的为害盛期主要在4月中下旬至5月中下旬；一代小地老虎在德坞地区完成从卵、幼虫、蛹和成虫一个世代大约经历60-66天。

The results indicated, that the curves of hatching rate and normal diploid larva output showed a single peak, with the highest point at 3.4 τ0, corresponding to metaphase of the first mitotic division, the results were obtained irrespective of the different pre-treatment water temperatures, thus confirming the veracity of measuring heat-shock timing by τ0 and the wild applicability of this method in cyprinid and also suggesting a new way to the operations of induced gynogenesis in related fish.

结果提示了以τ0单位度量热休克处理时机的准确性以及该优化方法在鲤科鱼类雌核诱导操作中的通用性，从而为相关鱼类的雌核发育操作提供了有价值的资料。

Influences of Hyper-gravity on Early Development, Otolith Morphology and Otolith Chemical Compositions of Zebrafish Larva, Danio Rerio

CEPS 思博网--文章书目；-1页数：5 需求点数：20 电子全文：请登入。篇名超重？境？斑？？仔？早期？育和耳石形？？与化？？成的影？

The defoliation was related to thelarvae density and the length of larva.

去叶与昆虫幼虫的密度以及长度显著相关。

To observe mosquito larva density degression rate , both hydrophytes and fishes death rate .

同时观察水生植物和鱼类的死亡等影响因素。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。