英语人>网络例句>淹没 相关的搜索结果
网络例句

淹没

与 淹没 相关的网络例句 [注:此内容来源于网络,仅供参考]

It is a new form of energy dissipation which is based on the theory and method of the multi-submerged jets in hydromechanics and it is the development of the hydraulic jump dissipation .

多股多层水平淹没射流消能既是传统水跃消能形式向复杂空间三元水跃消能形式的发展,也沿袭了流体力学中关于多股淹没射流研究的一些思想和方法,可以说是一种新型的泄洪消能方式。

The traditional pixel-based methods have limitation in detecting inundate extent, so an object oriented methodology has been introduced here.

如果淹没区域表面有植被覆盖,则在SAR图像呈现亮色,不容易与未被淹没的区域区别开来。

Study shows that environment evolution and eustatic change of Holocene in this area may be divided into 6 stages:① early stage of early Holocene, 9 100~10 900 aBP,when sea level was low and this area was an oxidizing environment or oxidizing-reducing transition environment;② late stage of early Holocene, 8 000~9 100 aBP, sea-level rising,...

研究表明,本区全新世环境演化分为6个阶段:①早全新世早期,10900~9100aBP,海平面较低,尚未淹没本区,为近岸氧化环境或氧化—还原过渡环境;②早全新世晚期,9100~8000aBP,海水上涨,本区时淹时退,为浅海或潮坪环境,生物钻孔发育;③中全新世主体,8000~4150aBP,海平面快速上升,完全淹没,Fe2+/Fe3+介于0.7395~1.9123之间,为全新世中最高段,表明还原程度强、全球气候变暖;④中全新世后期,4150~2850aBP,海水有所下降,仍为浅海环境,Fe2+/Fe3+较高,多在1.0以上;⑤晚全新世,2850~1310aBP,海平面进一步下降,本区时常暴露,其中2150~1310aBP以还原环境为主,为潮下带,2150~2850aBP以氧化—还原过渡环境为主,为潮间带;⑥1855AD以来,海平面基本稳定,稍有上升,为现代黄河三角洲沉积时期。本区全新世至少存在5期冷热交替的旋回性气候变化。

The paper's formula is fit to determine the thickness of the concrete mattress under wave in the bottom protection engineering. The Netherlandish formula and the formula in code are fit to confirm the thickness in the revetment.

研究结果表明,三个公式的工作状态并不相同,对于淹没海滩护底一类工程,半理论半经验公式较为合适;对于非淹没的斜坡护坡,荷兰或水利部公式较为适用。

Firstly the paper digitalizes relief map and analysis the "non-source flood" and "source flood",then using self function of ArcMap or ArcView to calculate flood submerged area of source flood and non-source flood area respectively;next,for proving means feasible,the paper takes 2003 flood data of lower reaches of Weihe River as example to contrast or validate.

因此,快速、准确、科学地模拟预测洪水淹没范围以及计算洪水淹没面积,对防洪减灾具有重要意义。20世纪90年代以来,特别是近几年来,在水动力-水文模型基础上,利用GIS强有力的空间分析和可视化功能,模拟显示洪水淹没区,一直是一个研究热点。

D depth-averaged model for flows in river with submerged groins;2. Simulation study of organ pipe nozzle submerged water jet;3. The submerged tunnel is simulated by the Elastic-Plastic FEM to analyse its influence on the environment.

为了分析淹没坑道对环境的影响,采用弹塑性有限元法对被淹没的坑道进行了数值计算,分析了不同情况坑道衬砌及围岩的破坏变形情况,同时提出了相应的加固方案,并对拟采用的不同方案加固效果进行了模拟分析,分析结果表明所提出的加固方案可行。

In some souls, the discordant note becomes harsher and harsher and finally overwhelms or submerges the main melody.

在有些灵魂中,不和谐的拍子会变得越来越刺耳,最后会淹没了主旋律或者被淹没

The results show that :the number of days flooded to the crop yield was significantly affected, The impact of flooding during the jointing stage than tasselling stage.

结果表明:淹没天数对农作物的产量影响极显著,淹没时期的影(来源:c8ABC论7d文网www.abclunwen.com)响中,拔节期高于抽雄期。

Experiments on the effects of flood for agricultural crops were done in Zhumadian. corn was selected as the experimental material, and choosing 3 days, 5 days and 7 days submerged days and the jointing stage, tasselling stage for artificial irrigation respectively. The field was given conventional management. After harvest, we recorded various characters and production data, and then compared them with the controlled areas. Then analysis and assessment of the impact of main flood factors on the crops were built.

2在驻马店市驿城区申庄村进行农作物洪水影响田间试验,用玉米作为试验材料,选取3 d、5d、7d三个淹没天数和拔节期、抽雄期两个淹没阶段分别对其进行人工灌水,田间采取常规管理,在作物收获后对玉米的各个性状及产量数据做记录并和对照区进行对比,进而分析和评估洪水灾害发生时对农作物的影响情况。

This formula is more accurate and has wider applications than others. The principle of the turbulent wave in open channels has been used to explain the physical nature of submerged flow under the gate.

文中应用明渠干扰波传播的原理对孔流淹没的物理本质进行了解释,并根据干扰波波速与闸下收缩断面流速相等的条件导出了孔流淹没的判别式。

第2/84页 首页 < 1 2 3 4 5 6 7 8 9 ... > 尾页
推荐网络例句

However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。