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   蜜蜂 在 航空航天科学与工程 分类中 的翻译结果: 查询用时:0.645秒
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  honeybee
    Biomimetic Mechanics of Micro-air Vehicles —Dynamic Flight Stability of a Hovering Honeybee
    微型飞行器的仿生力学——蜜蜂悬停飞行的动稳定性研究
短句来源
    As a result of the unstable oscillatory mode, the hovering flight of the honeybee is dynamically unstable. However, the instability is 'slow' to the honeybee: the time for the initial disturbances to double (0.11 s) is more than 22 times the wingbeat period (5.1 ms).
    由于不稳定振荡模态的存在,蜜蜂的悬停飞行是动不稳定的,扰动增长的倍幅时间(0.11s)是拍动周期(5.1ms)的22倍,这对蜜蜂来说是较慢的。
短句来源
    These results may explain why a honeybee can perform steady hovering and at the same time has good maneuverability: slowly growing disturbance can be easily suppressed by adjusting wing motion;
    这里的结果也许可解释蜜蜂为何悬停得很平稳,同时机动性也很好:扰动增长慢,易于调整翅的运动以抑制之(昆虫可在远小于拍动周期的时间内调整其翅膀的运动);
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  honeybee
Polymorphism of Locus COI-COII of Mitochondrial DNA in the Honeybee Apis mellifera L.
      
In spite of high biodiversity within the honeybee species Apis melliferaL., only one geographical race, the dark-colored forest honeybee A.
      
Within the vast range of this race, only single isolates remain, where the dark forest honeybee is purebred.
      
Molecular-genetic assessment of the state of the gene pool of this population revealed that southern honeybee races were introduced into the Bashkortostan Republic with great intensity, which was above the assimilation capacity of the population.
      
Local honeybee (Apis mellifera mellifera L.) populations in the Urals
      
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  honey bee
Changes in neuronal acetylcholinesterase gene expression and division of labor in honey bee colonies
      
Division of labor in honey bee colonies is highlighted by adult bees making a transition at 2-3 wk of age from working in the hive to foraging for nectar and pollen outside.
      
Isolated honey bee abdomens for monitoring effects of stress in the American cockroach
      
The isolated honey bee abdomen has been used for the qualitative detection of possible autoneurotoxins released into the haemolymph of cockroaches, kept in a colony, in response to stress induced by handling.
      
When haemolymph containing toxic substances is introduced into the honey bee abdomen there is an increase in the frequency and amplitude of the spontaneous contractions.
      
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  bee
This procedure includes deproteinization of bee corpses, discoloration of the chitin-melanin complex, deacetylation, and enzymatic hydrolysis of chitosan.
      
The possibility for forming physical gels based on Pchelozan (bee chitosan with a molecular weight of 230 kDa and an acetylation degree of 26-65%) has been demonstrated.
      
Physicochemical properties of chitin-melanin and melanoprotein complexes from bee corpses
      
A technology for processing bee corpses and obtaining chitin-melanin and melanoprotein complexes has been developed.
      
It was shown that the properties of the melanin-containing products of the processing of bee corpses are typical of chitin and melanin of animal origin.
      
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  bee
This procedure includes deproteinization of bee corpses, discoloration of the chitin-melanin complex, deacetylation, and enzymatic hydrolysis of chitosan.
      
The possibility for forming physical gels based on Pchelozan (bee chitosan with a molecular weight of 230 kDa and an acetylation degree of 26-65%) has been demonstrated.
      
Physicochemical properties of chitin-melanin and melanoprotein complexes from bee corpses
      
A technology for processing bee corpses and obtaining chitin-melanin and melanoprotein complexes has been developed.
      
It was shown that the properties of the melanin-containing products of the processing of bee corpses are typical of chitin and melanin of animal origin.
      
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