查询词典 earthwork

The earthwork was cast up in a few hours.

土方工程在几小时内就完成了。

The earthwork was cast up in three hours.

土方工程在三小时内就完成了。

The Reverse Construction Method has not been well developed in our country. The paper discussed the designing method of the Reverse Construction Method and made a comparison with the regular construction method and studied some key technique of the Reverse construction procedure combining construction practice, such as diaphragm and mid-maintain columniation designing and constructing, dewatering, earthwork excavating, diaphragm wall structure constructing, surrounding buildings protection, construction inspecting and so on.

本论文探讨了逆作法的设计方法，同时与顺作法进行了对比，并结合工程实践研究了逆作法施工中的多项关键性技术，如地下连续墙与中间支撑柱设计与施工、基坑内降水、土方开挖、地下结构逆作施工、周围建筑物保护、施工监测等。

Our company is an earthwork to do business!

我公司是一家以做土方工程的公司！

The process of earthwork for pipeline is analyzed and the method of emulation is given.

摘 要：分析了大修管道土方施工过程，研究了其仿真方法。

A new method was advanced in this study to calculate the earthwork of terraces in the hilly regions.

用所提出的方法计算的土方量与G IS软件计算的结果进行比较，采用5°和2°坡度分级时误差分别为5.4%和3.9%。

The results showed that:(1) some governing points, which were measured by submeter precision GPS, were utilized to correct the 1 m precision remote sensing image and it could satisfy the desired precision of geometrical correction, therefore, this method could be used as geometrical correction in the region where was short of the big scale relief map;(2) the density of the original data was the main factor to affect precision of the volume, and the precision of the calculated volume of earthwork could be improved to more than 90% when using the test points and feature points; the sparser the data density were, more significant could be improved; On the base that elevation of test points were measured by the submeter precision GPS, the error of the volume, which was produced by vectoring relief map to obtain DEM, could be calculated, and the calculation precision of the earthwork could be improved markedly.

结果表明：利用平面精度达亚米级的GPS测量控制点坐标对1米分辨率的遥感卫星影像进行几何校正，能够满足其几何校正的精度要求，可以解决缺乏大比例尺地形图地区的高分辨率遥感卫星影像的几何校正问题；通过对模型数据的分析，数据密度是影响体积精度的主要因素，利用检测点高程和特征点可以提高土方量计算的精度，使土方量计算的精度达到90％以上，数据密度越稀疏，精度提高越显著；采用高程精度达厘米级的RTK(Real Time Kinematic实时动态差分)测量检测点的高程，对用地形图扫描矢量化形成的DEM模型进行检测求出误差体积，可以大大提高土方量的计算精度。

In order to provide a simple and convenient method of earthwork volume calculation in the work of terracing the land on hillside,a formula for earthwork volume calculation was developed using the methods of literature consultation and geometrical mathematic calculation.

为西南丘陵地区土地开发整理坡改梯坡式梯田土方量计算提供科学简便的计算公式和计算方法，为工程项目审查及预算审查提供坚实的依据。通过运用文献研究和几何数学方法，推导出坡改梯坡式梯田土方量的计算公式。

The software,emulation of earthwork for pipeline,is written with Borland C＋＋ Builder 4.The earthwork for pipeline is emulated through combination of runway,work condition and work sequence,meanwhile security of pipeline can be judged,maximum local repair length of pipeline can be computed,excavation plan of pipeline can be made,position of supporting tool can be optimized,assessing of the whole reburied pipeline can be made

用C＋＋语言在BorlandC＋＋Builder4平台上编制了埋地长输管道开挖土方施工仿真软件，软件通过运行方式、工况、大修顺序的组合模拟各种土方施工情况，可以判断管道是否安全，确定局部最大修复长度，优化开挖方案，优化支撑机具的最佳位置，对重埋后的管道做整体评价等。

Based on the above-mentioned characters, this paper analyzes and improves the building method of non-restraint triangulated irregular network and the embedded approach of constraint conditions, provides a kind of computational method which is used to compute the strip mine earthwork calculation based on constrained triangulated irregular network. a experiment system, which auto-complete the update of the strip mine relief map and earthwork calculation with the discrete elevation point, is developed by using the VBA development tool of AutoCAD.

基于上述特点，本文主要分析并改进了无约束三角网建立的方法与约束条件的嵌入方法，研究了基于带约束条件的不规则三角网的露天矿采剥土方量的计算方法，并利用了AutoCAD内嵌的VBA开发工具，实现了一个以离散的高程点为数据，自动完成露天矿地形图更新绘制与土方量计算的实验系统。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。