您要查找的是不是:
- WANG Zhao-min, HE Yan-li.Research on wind tunnel experiment of guyed masts [J].Journal of Building Structures, 2000,6: 55 - 61. [2]王肇民;何艳丽.;桅杆结构风洞试验研究[J]
- S.Larssen, E.M.Brevick, M.Oehme,” Emission factors of PCDD and PCDF for road vehicles obtained by a tunnel experiment,” Organohalogen Compounds , 1 , pp.453-456 (1990). 行政院环境保护署,”木栅、新店及桃南垃圾焚化炉周界空气中及植物、土壤戴奥辛含量浓度资料之建立-期末报告”,2001年一月。
- Abstract The feature of the aerodynamic interference wind tunnel experiment for submunition and the composition of the experiment devices are introduced in this paper. 摘要 介绍了子母弹气动干扰风洞实验新方案的特点及实验装置的构成。
- These conclusions can be used as the wind environment research's guiding of the bottom overhead multistory construction and can be certified by a wind tunnel experiment. 该结论可作为底层架空的多层建筑周围风环境研究的前期指导和风洞验证。
- The feature of the aerodynamic interference wind tunnel experiment for submunition and the composition of the experiment devices are introduced in this paper. 介绍了子母弹气动干扰风洞实验新方案的特点及实验装置的构成。
- The wake geometry of coaxial rotor and single rotor in hover and in level flight was investigated in the course of water tunnel experiment , and the wake boundary of a coaxial rotor for different advance ratios were investigated as an emphasis . 通过对单旋翼和共轴式双旋翼在水洞中的对比实验 ,研究了在悬停和以不同速度前飞时 ,共轴式双旋翼和单旋翼尾迹形态的共性与区别 ,着重研究了在不同前进比时共轴式双旋翼尾迹边界的形态。
- This comparison shows that the former have the superiority compared to the latter in the stratosphere with lower density air.The wind tunnel experiment data of German airship "LOTTE" was used. 然后和常用的升降舵控制进行效率比较,得出了在空气密度较低的平流层采用改变重心位置比舵面控制具有优越性的结论。
- Flow characteristic of supersonic bi-cone inlet of ramjet assisted range projectiles is studied, and reasonable flow structures are also achieved through the wind tunnel experiment. 摘要对某冲压增程弹用超声速双锥进气道流场特性进行研究,在风洞试验中得到合理的流场结构图谱及试验数据。
- Wind tunnel experiments show that a rock specimen the size of a goose egg will have its better part blown off in 3 minutes in a wind blowing at a velocity of 20 m/s. 风洞实验表明,鹅蛋大的岩石样块在每秒20米的风速下,3分钟便被吹掉一大半。
- Wind tunnel experiments with the CAARC standard tall building model was executed to verify the proposed method with the dynamic balance technique. 采用本文方法可以克服天平方法要求结构的基阶模态必须线性且不能给出结构沿高度的荷载分布等缺点。
- During the wind tunnel experiments, three dimensional wind profiles on a complex terrain were measured by an X-probe hot film anemometer. 在风洞实验中,利用X型热膜探针量测三维风速,取得复杂地形地区之三维风场。
- Wu, Y.L., C.I. Davidson and G.R. Armistead, Controlled Wind Tunnel Experiments for Particle Bocmceoff and Resuspension, Aerosol Sci. Technol., Vol.17(b), pp.245-262, 1992. 袁中新、洪崇轩、王宏恩、刘山豪,南台湾地区悬浮微粒物化特徵及生成机制探讨,气胶研讨会论文集,1999。
- Wind tunnel experiments were conducted to study the impacts of(Polyacrylamide)(PAM) on the threshold wind velocity in wind erosion control,and wind erosion prevention. 该研究通过室内风洞模拟试验,研究了PAM对于提高松散扰动土起动风速、防止风蚀的效果。
- Wind Tunnel Experiment Technique of Side-back Jet 弹丸头部喷流的风洞实验测试技术
- Research on Wind Tunnel Experiment of Guyed Mast 桅杆结构风洞试验研究
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- hypersonic wind tunnel experiment 高超声速风洞试验
- It took me just on two hours to do this experiment. 做这个实验大约花了两个小时。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。