wing相关论文
Illigera (Hernandiaceae) is a liana genus distributed mainly in the tropical Asia and Africa.Previous fossil records sug......
Over-expression of Ultrabithorax alters embryonic body plan and wing patterns in the butterfly Bicyc
In insects,forewings and hindwings usually have different shapes,sizes,and color patterns.A variety of RNAi experiments ......
Wings is the common manifestation of courtship behavior in insects.In order from the molecular level to explore the silk......
At supercritical conditions a porous strip(or slot strip)placed beneath a shock wave can reduce the drag by a weaker lam......
What worries Bill Gates most？ Thebooming population of Africa looms over his foundation’s latest global survey. By the e......
Unique-ARs是美国一家专门为客户定制生产M4系卡宾枪的公司,WickedWings-15卡宾枪是该公司新推出的M4系卡宾枪。该枪采用全黑外观,......
Sex and age-specific differences in wing pointedness and wing length in blackcaps Sylvia atricapilla
The blackcap Sylvia atricapilla shows a complex migratory pattern and is a suitable species for the studies of morpholog......
The morphing wing concept aims to constantly adapt the aerodynamics to different flight stages.The wing is able to adapt......
Wings are an important flight organ of insects and their morphogenesis depends on a series of cell-to-cell and cell-to-e......
Hierarchical Honeycomb-Structured Electret/Triboelectric Nanogenerator for Biomechanical and Morphin
Flexible,compact,lightweight and sustainable power sources are indispensable for modern wearable and personal electronic......
Cuticular protein gene LmACP8 is involved in wing morphogenesis in the migratory locust,Locusta migr
Cuticular proteins(CPs)are major components of the insect cuticle-associated organs such as integument and wings,althoug......
Wings are essential for insect fitness.A number of proteins and enzymes have been identified to be involved in wing term......
BAPE又有新品要发布了,夏季和秋季的新款服装已经公布了,当然要轮到鞋款了.本次发布的新款Road STA很有Red Wing鞋款的感觉,在所有......
探索了水浸超声波在检测特殊形状5A06－O(LF6－M)3.0mm炮弹翼片质量中的应用.通过数据分析得出了探测波形的种类及检测方法,制定了验收......
【目的】鳞翅目昆虫具有较强的飞行能力,远距离迁飞是其区域性灾变的生物学基础。翅的力学性能决定昆虫的飞行效率和迁飞距离,由于......
本文通过对荣华二采区10...
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Numerical simulation of wing stall of a blended flying wing configuration at transonic speed was conducted using both de......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The Importance of Flapping Kinematic Parameters in the Facilitation of the Different Flight Modes of
To better understand dragonflies’remarkable flapping wing aerodynamic performance,we measured the kinematic parameters ......
This paper mainly calculates, analyzes and compares the aerodynamic characteristics of two kinds of bullets, one has win......
The calculation of wing shielding effect starts from solving Ffowcs Williams and Hawkings equation without quadrupole so......
2011年新年伊始，吉他中国旗下品牌Guina吉他子品牌LITTLEWING惊艳上市!LITTLEWING木吉他为中低端吉他，面向木吉他初学者为主，虽然只有......
Aerodynamic noise has been impairing the comfort of passengers in automobiles.Studies have shown that the aerodynamic no......
在虚拟试验构建的精细有限元模型基础上,开展了大型机翼尺寸优化设计技术的研究。通过对不同工况模型中的载荷进行转换,构建了统一......
The Flapping Rotary Wing(FRW)is a micro air vehicle wing layout coupling flapping,pitching,and rotating motions.It can g......
本文叙述了一种典型的带前缘襟翼或缝翼的切尖三角机翼,在跨超声速风洞中,进行跨声速测压、测力试验研究的情况。给出部分带有前缘......
本文通过对飞机吹风试验模型机翼的数控工艺流程方案分析,结合目前现有的数控加工能力,针对机翼的主要工艺特点和数控加工难点,提......
机翼跨音速小扰动二级近似方法的数值分析高超，罗时钧经典的跨音速小扰动方程在处理机翼绕流，尤其是具有较大后掠角机翼问题时，计算中......
通过求解基于三维非结构网格的欧拉方程计算机翼气动特性，采用结构柔度影响系数方法进行机翼静弹性变形的计算，利用三维非结构弹性网......
在2004马来西亚国际家具展上，来自中国香港的参展商Wing Huan家具公司在展位呈现设计100m^2以上级别的角逐中一举夺魁，获得金区。笔......
Motorola Solutions近日宣布推出面向802．11n无线局域网（WLAN）接入点和控制器产品组合的新一代架构——wiNG5WLAN解决方案。该解决方......
本文针对悬停和前飞时旋翼下洗流对机翼的气动干扰影响,建立了机翼向下载荷的计算模型.该模型中,以旋翼在机翼处产生的诱导速度以......
综述关于飞行器空气动力学动态性能的实验研究中所面临的问题，困难和有关的实验技术进展状况。......
某型飞机机翼挂装翼尖导弹对机翼结构设计和结构分析提出了诸多全新课题,如结构的振动响应和气动弹性动响应.本文就某型飞机离散突......
飞机机翼挂装翼尖导弹对机翼结构设计和结构分析提出了诸多全新课题,如结构的振动响应和气动弹性动响应.本文就某型飞机滑跑的结构......
近年来，风送式喷雾机在草原灭蝗和防治林木病虫害中大规模使用，风送式喷雾机具有喷幅大、雾滴均匀性好、农药使用效率高和受环境制约......
通过有限元分析软件MSC.NATRAN,建立了复合材料机翼的有限元模型。针对所设计的飞机机翼在气动载荷作用下进行了强度分析,给出了主......
本文侧重对拖网网袖的力学性能进行理论分析和实验研究，揭示出网袖网衣对整顶拖网力学性能的影响，以供拖网设计者作理论参考。作者认......
谈及意大利音响中的大牌．非Sonus Faber音箱莫属。自推出Stradivari Homage（图1～图4）旗舰音箱以来．备受各方好评．不过由于过高的定位和售......
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利用ＤＡＳＣＭ程序完成带整体油箱复合材料机翼铺层设计的优选方法，原理和算例，采用了灵敏度分析和导数均匀化两种方法进行复合材料铺层优选设......
ＯＰＴＩＭＡＬＤＥＳＩＧＮＡＮＤＡＥＲＯＤＹＮＡＭＩＣＣＡＬＣＵＬＡＴＩＯＮＯＦＷＩＮＧＣＯＮＦＩＧＵＲＡＴＩＯＮＯＦＣＩＶＩＬＡＩＲＣＲＡＦＴ￥ＷａｎｇＬｉａｎｇｙｉ（ＤｅｐａｒｔｍｅｎｔｏｆＡｅｒｄｄｙｎａｍｉｃｓ，ＮＵＡＡ２９ＹｕｄａｏＳｔｒｅ.........
研究了建立机翼有限元模型的自动化。用行列法标识结构的部件（肋、梁、蒙皮、立柱），并用简单明了的表格界面来输入所有部件的几何、网......
对于基于梯度信息的优化设计方法,很重要的一点是快速准确获得目标函数对设计变量的梯度。本文采用离散共轭方法计算目标函数关于......
在机翼静强度初步设计中，为了快速准确地得到其载荷包线并用于确定翼盒结构基本参数，提出一种近似计算方法。通过比较多种重量估算方......
针对某车型翼子板与前保险杆匹配处、侧围与后保险杆匹配处的钣金外观小圆角(R1.5 mm)工艺进行研究与验证,通过优化零件的冲压方向......
Insights into wing dimorphism in worldwide agricultural pest and hostalternating aphid Aphis gossypi
Background:The worldwide pest Aphis gossypii has three-winged morphs in its life cycle,namely,winged parthenogenetic fem......
This paper describes the improvement effect and mechanism of strengthening a liquefied sand foundation using the cross-v......
