挖槽

明挖槽代替接收井在施工中的应用

Application of clear chamfer substitutes the receiving well in construction

挖槽循环加工方法研究

Study on the Method of Chamfer Cycle Machining

腐蚀挖槽和P、N型杂质一步掺杂制造晶闸管

Fabrication of thyristor by etching groove and doping with P - n type dopants in one step

IGBT全自对准栅挖槽工艺研究

A Process Technology for Fully Self-Aligned Trench-Gate IGBT 's

UG是目前功能最为强大的CAD/CAM软件，它为用户提供了多种CAM方法，其中的PLANAR-MILL可以进行外形铣削、挖槽加工和开放平面带岛屿的加工等。

UG is most formidable function among CAD / CAM softwares , It has provided many kinds of CAM methods for the user . PLANAR-MILL may carry on the contour milling , the slotting processing and the opening plane belt islands processing and so on .

长江口北槽挖槽段泥沙淤积特性研究

A Study on Sedimentation in the North Trench of Yangtze River Estuary

近海开敞水域挖槽回淤试验研究

Model Study of Dredged Channel Siltation in Offshore Open Water

河口海湾地区航道挖槽回淤的估算方法

An Estimate Method of Siltation for Dredged Channels in Estuaries

液压水下连续墙挖槽机的自动控制系统

The Automatic Control System of the Hydraulic Digger for Submarine Consecutive Wall Construction

上戴帽中束腰下挖槽&解决我国水多和水少问题的一种对策

A Countermeasure to Solve the Problems of Flood & Waterlogging and Water Scarcity

淤泥质海岸浅滩人工挖槽回淤率计算方法的探讨

A Study on Calculating Method of Deposition of Channel Dug on Mud Beach Area

航道挖槽尺寸的优化设计模型

The Optimization Design Model of Channel Dimensions

开敞水域斜跨挖槽内的流速折减规律研究

Study on the Regularity of the Velocity Discount of Trench at Oblique Angle in Open Water

在较长一段时间内，挖槽疏浚增加了河道输沙能力，降低了洪水位。

For a long period , sediment-carrying capacity remains increased , and the water level remains lowed .

活塞镗孔挖槽专机的研发航道挖槽定线的计算机实现

Research on Piston Internal Boring and Chamfering Purpose Machine Implement of Waterway Channel Midline Decision by Computer

淤泥质海岸挖槽回淤预测的沉积动力学途径&以杭州湾试挖槽为例

Sedimentary Dynamic Approach to Predict Sedimentation in Channels at Mud Coast Example of Experimental Channels in Hangzhou Bay

挖槽机构通过拉力杆、推力杆与载车相连。

The groove digging mechanism is connected with the loading vehicle through the tension rod and the distance rod .

挖河减淤效果与挖槽几何形态及挖槽面积有关。

The effect of dredging channel for deposition reduction is related to dredged channel geometry morphology and dredged channel area .

挖槽是航道整治的主要措施之一，但挖槽会引起水位下降，给航道通航带来负面影响。三峡工程下游引航道通航水流条件试验

Channeling is one of the main measures of waterway regulation . Navigation Conditions of Downstream Approach Channel of the Three Gorge Project

本文对有挖槽的半无限弹性地基上基础梁的计算提出了一个分析方法。

In this paper an analytical method is advanced for computing the foundation beam in the excavated groove of semi-infinite elastie foundation .

分析了挖槽内底流速的变化特点，从而为挖槽内泥沙的输移强度的估计及挖槽的选线设计提供了依据。

Therefore , a basis is provided for estimating the intensity of sediment transport and selecting a proper direction for a dredged channel .

此外，本文还计算了相当于天然情况各种水深、各种挖深比、各种挖槽底宽下挖槽内的流场。

In addition , the fields of the every kind depth , ratio of dredged depth and bottom width in national condition were calculated in this paper .

通过对各挖槽影响因素的综合分析，得到了式7-1、7-2、7-3等疏浚挖槽尺寸与挖槽效果的关系。

The author also synthetically analyzed each effect factor on dredging , concluded several relationships between dredging dimensions and efficiency as formulae 7-1 . 7-2 and 7-3 .

依据试验资料，通过对挖槽水流影响因素的因次分析，提出挖槽后轴线处的流速计算式。

Based on experimental data , through dimensional analysis of the influence factors of channelling flow , put forward the computative formula for velocities along axis after channelling .

结合浙江苍南电厂工程要求，在拟建航道处的试挖槽附近取样，对粘性淤泥的起动进行了室内水槽试验。

A flume test is carried out on the threshold velocity for the coherent silt sampled in the sea area near the Cangnan power plant in Zhejiang Province .

深、浅墙均采用抓斗挖槽，因其具有工效高、移动方便、施工无震动等特点。

The clamshell excavates the deep and shallow wall troughs because it has the characteristics of high working efficient , easy to move and no vibration in construction .

浙东淤泥质潮滩试挖槽台风骤淤观测分析河道淤塞，水流迟滞。

Research on typhoon sudden silting in trial excavated channel on silt tidal flat in eastern Zhejiang Province The river is silted up and the water flows sluggishly .

文中介绍了丰满大坝纵缝的设计、施工、后期处理情况，纵缝在运行中的开度变化观测情况和纵缝的挖槽调查情况。

The design construction and after-treatment of the longitudinal joint at Fengman dam , along with the joint opening change and digging pit examination is introduced in the paper .

本文介绍了斜楔式和偏心式两种新型内孔挖槽刀具的结构和原理。

The structure and principle of two new types of cutting tools ( bevel wedge type and eccentric type ) for boring O-ring grooves have been introduced in this paper .

在评述疏浚挖槽效果指标的基础上，提出了挖槽效率减淤指标等概念，为科学的判断挖槽效果奠定了基础。

Based on the appraisal of three kinds of means that reflect the effect of dredging , proposed several judging indexes ( such as dredging efficiency ) to estimate excavating results .