By the test of the imitated rain,the article researches some rainfall runoff features of the plain area which the slope is less than 3‰,the changing regulation of runoff coefficient under the steady rainfall condition,puts forward the calculation principle of the rainfall runoff this area by using the maximum runoff coefficient method and makes a calculation of the r.
利用仿雨试验,研究地面坡度小于3‰的平原区降雨产流的特征,稳定降雨条件下径流系数的变化规律,提出了“最大径流系数法”对平原降雨产流的计算原理,对非稳定及天然条件下的暴雨过程进行了径流计算。
Based on the former researchers' works,the theoretical pore size distribution and maximum pore size of nonwoven geotextile are studided by means of Poisson polyhedron theory.
利用PoissonPolyhedron理论 ,在前人研究的基础上分析了非织造土工布的理论孔径分布及其最大孔径 ,并根据Hagen Poisseuille定律探讨了非织造土工布的孔径分布与其渗透性能间的关系 ,理论计算的垂直渗透与实测结果有较好的一致
The effects of change of porosity on relative gas permeability and maximum pore size are investigated in this paper.
研究了Ni纤维毡孔隙度的变化对其透气性能和最大孔径的影响。
maximum opening diameter without reinforcement
不另行补强的最大孔径
Effects of Porosity on Gas Permeability and Maximum Pore Size of Fiber Felts
孔隙度对纤维毡透气性能和最大孔径的影响
Research on Maximal Pore Size of 0Cr18Ni9Ti Metal Rubber Filtering Material
0Cr18Ni9Ti金属橡胶过滤材料最大孔径研究
large core high numerical aperture fiber
大芯径大数值孔径光纤
ultra-rapid lens
甚大光强[相对]孔径物镜
object lens of large relative aperture
大相对孔径(摄影)物镜
short focal length (high aperture) lens
短焦距(大孔径)透镜
Construction Technique for Large Diameter Discharging Tunnel in the Luoxidu Hydropower Plant
溪洛渡水电站大孔径排水孔施工技术
Discussion on Revamping of The Large Diameter Piercing Head of 10MN Vertical Piercing Mill
10MN立式穿(扩)孔机大直径扩孔头的改造
Construction technology of excavated and cast-in-place piles with a large diameter and an extra depth in karst geology
岩溶地质大孔径超深桩挖孔施工技术
Measurement of Flat Wavefront by Sub-aperture Stitching Interferometry
子孔径拼接干涉检测大口径平面波前
Visual Intrpretation of SAR Images. Final rept
合成孔径雷达图象的判读/最终报告
A Genetic Algorithm of Path Optimization for PCB Drilling
印制板打孔最短路径的遗传算法实现
The Construction Techniques for the Deep-water and Large Aperture Drilled Piles of Hutiaomen Bridge
虎跳门特大桥深水大孔径钻孔桩施工工艺
The relation is discussed between the shift of the point of maximum intensity on axis from the waist of focused Gaussian beam and the radius of the diffracted aperture, and the parameters of the Gaussian beam.
讨论了轴上点光强最大值相对会聚高斯光束束腰的偏移量同衍射孔径及高斯光束参数的关系。
Performance Analysis of Large-Aperture Receiving and Selection of Aperture Size in Atmospheric Optical Communications
大气光通信中大孔径接收性能分析与孔径尺寸选择
LARGE DIMETER AND OVERDEPTH STAKE BASE OF DONE MAN DIG HOLE COMSTRUCTION STUDY IN COMPLICATED LOCAL
复杂地层超深大孔径人工挖孔桩施工的探讨
Study of Macroporous Ceramic Pipes Prepared in Cold Isostatic Pressing
冷等静压法制备大孔径多孔陶瓷管研究