尾垂線 的英文怎麼說
中文拼音 [wěichuíxiàn]
尾垂線
英文
aft perpendicular-
Hawk both feet stress one number of people each, number of people eyebrow is it erect to take place or after the vertical brain, this pattern, theme any meaning, is it study to worth also, to chisel engineer to be very much ingenious even jade wearing this, hawk eye, body, tail with latent to get up pair collude open line tick outline, feather is it adorn to carve with overcast line, seem vivid
雄鷹氣宇不凡，雙眼瞪圓，昂首引頸，展翅欲飛，頭上的肉冠極長，一直披到翼。鷹雙腳各抓一個人頭，人頭眉發豎立或垂直腦后，這一圖案，主題是什麼涵義，還值得研究，此玉佩的琢工也很巧妙，鷹目身尾用隱起雙勾陽線勾出輪廓，羽毛用陰線刻飾，顯得生動。In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data
本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好The results showed, the breakthrough curve of nitrate vertical transport in saturated condition was more or less non - symmetrical, mainly due to the different proportion of mobile and immobile water in the soil and soil physical properties
結果表明，在飽和條件下，硝態氮垂直運移過程的穿透曲線呈現不對稱形狀和拖尾現象，主要由於土壤中存在著動水和不動水的比例不同和土壤的物理性質所致。Or, drag the vertical red line in the preview window to mark the end of the row
或者，拖動預覽窗口中的垂直紅線，以標記行尾。分享友人