十大正规网投平台
蜂箱/巢框/隔王板
喷烟器相关
- 圆头喷烟器
- 喷烟器气包 BS-9
- 喷烟器燃料 BS-15
- Beekeeping high quality stainless steel manual bee smoker BS-1L
- Beekeeping high quality Electrical bee smoker BS-6A
- Beekeeping high quality Electrical European style bee smoker BS-7A
- Beekeeping stainless steel corium manual bee smoker BS-1S
- Beekeeping Galvanized corium manual bee smoker BS-3M
- Beekeeping equipment stainless steel corium manual bee smoker
- Beekeeping stainless steel Electrical European style bee smoker BS-7B
- Beekeeping stainless steel Electrical bee smoker BS-6B
养蜂防护用品
- 三层蜂衣
- Top Quality Beekeeping Protective Hat With Mesh Face Mask Veil
- Top Quality Camouflage Beekeeping Protective Hat With Veil
- Top Quality Beekeeping Protective Hat With Veil BC-30
- Top Quality Beekeeping Protective Hat With Veil BC-33
- Top Quality Beekeeping Gloves Bee Protective Gloves
- Top Quality Beekeepers ventilated Gloves Bee Protective Gloves
- Top Quality Beekeepers Gloves Bee Protective Gloves
- Hot sales China supplies 3 layer ventilated ultra breeze bee jacket for beekeeping
- High quality beekeeping bee protective bee jacket
- High quality beekeeping Camouflage bee protective coverall bee suit
- High quality beekeeping bee protective coverall bee suit BC-8
- High quality beekeeping bee protective coverall bee suit BC-7
饲喂器
- Beekeeping Plastic Deep medium frame feeder in hive BF-4
- Beekeeping Plastic large frame feeder in hive BF-5
- Beekeeping Plastic medium Bee Feeder in hive BF-3
- Beekeeping Plastic small Bee Feeder in hive BF-2
- Beekeeping hive outside Portable Plastic Bee Entrance Feeder BF-1
- Beekeeping hive outside Portable Plastic Bee Entrance Feeder BF-9
- Beekeeping hive outside Portable Plastic Bee Entrance Feeder BF-11B
埋线器
- 全自动埋线器
- 电热埋线器(尖头)
- High quality bee keeping Grooved spur embedder WE-3
- High quality bee keeping wheel type wire embedder WE-1
- High quality bee keeping Searing iron type wire embedder WE-2
- High quality bee keeping equipment Electric wire embedder WE-5
- High quality bee keeping equipment Automatic Electric wire embedder WE-7
紧丝器
- Best selling Beekeeping tool plastic wire tensioner crimper for bee frame WT-1
- Best selling Beekeeping tool wood wire tensioner crimper for bee frame WT-2
- High quality bee keeping Galvanization frame wire roll WR-2
- High quality bee keeping stainless steel frame wire WR-4
- High quality bee keeping stainless steel frame wire WR-3
摇蜜机相关
巢础
起刮刀
割蜜刀/叉
蜂扫
- High quality beekeeping tool stainless steel honey gate valve HG-04
- High quality beekeeping 4 frames electrical honey extractor HE-04DA
- High quality beekeeping 24 frames electrical honey extractor HE-24DA
- High quality beekeeping Self-reversal 2 frames fully enclosed honey extractor HE-02J
- High quality beekeeping tool plastic honey gate valve HG-1A
蜂蜜过滤器
蜂王笼
移虫育王工具
巢础机
蜂王标记用品
采蜂胶用品
蜂蜜/蜂产品
更多产品
美科学家研究发现蜜蜂飞行机理更为奇特
日期:2016-11-08
据美国生活科学网站日前报道,研究人员最近利用高速数码摄影技术和蜜蜂翅膀的遥控模型,推测出蜜蜂飞行的机理。
研究人员对连续数小时拍摄的蜜蜂图像进行分析,并用配备了测力传感器的自动装置模拟蜜蜂飞行动作,结果得出的蜜蜂飞行机理比想像的更为奇特。
美国加利福尼亚理工学院研究人员道格拉斯·阿特舒勒说:“蜜蜂拍打翅膀的速度非常迅速。在空中盘旋的状况下,身体为蜜蜂八十分之一的果蝇每秒拍打翅膀200余次,相比之下,体积大得多的蜜蜂每秒拍打翅膀却达230余次。同时,它们还要运送花粉和花蜜,以供其它蜜蜂食用,它们背负的重物有时与其体重相当。”
为了搞清楚蜜蜂为何能承载如此沉重的负担,研究人员让蜜蜂在一个氧气和氦气浓度小于普通空气的狭小空间内飞行,这需要蜜蜂付出更大的努力才能保持向上的姿态,科学家趁机观察蜜蜂应付工作量增加的代偿机理,发现蜜蜂加大拍打翅膀的振幅,但并不调整振翅频率。
科学家说,这一发现将有助于设计一种能在适当的位置上盘旋、同时携带物资的飞机,这种飞机可用于 地震或 海啸的监测及运送救灾物资等多种用途。