查询词典 fwd

This research investigated the utility of the SSG, CIST, DCP, and FWD for assessing early-age strength gain in CTB.

这项研究调查了公用事业的特殊保障，中科院，磷酸氢钙， FWD的评估早龄实力获得工商及科技局。

For this reason, the project creates the mathematical model and numerical method of backcalculation of layer moduli in asphalt pavement based on homotopy method in accordance with the theories of differential topology and optimization. Through selecting the rational objective functions of backcalculation of moduli, a large number of deflection basins of asphalt pavement with FWD are made the backcalculation of moduli to solve effectively the present problems and ensure the reliability of backcalculation of layer moduli in asphalt pavement.

为此，本项目根据微分拓扑和最优化理论，建立了基于同伦方法的沥青路面模量反算的数学模型和计算方法，并通过选取合理的模量反算目标函数，对大量FWD实测的沥青路面弯沉盆进行了模量反算，从而有效地解决了目前存在的问题，保证了沥青路面模量反算的可靠性。

The following pictures were FWD'ed to me in my email recently.

下面的照片是FWD'ed我最近在我的电子邮件。

A new mechanistic-empirical based on FWD procedure is developed in this paper according to the information from the other country and our own.

参照国内外有关资料，建立了以FWD弯沉为基础的力学经验罩面设计方法。

In view of the above, a series of Rock-Filling Embankment FWD test method was offered from test method to the treatment method of test data.

据此，本文从测试方法到测试数据的处理，提出了填石路基FWD测试的整套方法。

At the same time, the evaluations of pavement performance with FWD are researched based on the backcalculation results. We also analyse the mathematical basic of the solvability conditions for inverse problems, the dynamic problems of pavement and the dynamic backcalculation of subgrade modulus of PFWD (Portable Falling Weight Deflectometer).

同时，采用模量反算结果进行了FWD评价路面性能的应用研究，分析了反问题有解存在的数学基础，探讨了路面动力分析问题，并对PFWD的路基模量动力反算问题进行了研究。

Horizontal machining systems configured for 4- and 5-axis work to produce aluminum parts for the 6F mid-range FWD transmission.

水平机加工系统，配置了4或5个轴，用于加工6F 中矩 FWD 变速器的铝制部件。

This text started with seeking method of Rock-Filling Embankment quality assessment, it was demonstrated scientific and feasibility of the assessment way using FWD technology, on the foundation of analyzing current situation of the Rock-Filling Embankment quality assessment research and the applications situation of FWD test technology.

本文从探寻填石路基的质量评定方法入手，在分析了填石路基质量检测方法的研究现状，以及FWD测试技术应用情况的基础上，论证了以FWD测试技术作为填石路基质量评定方法的科学性和可行性。

An idea is put forward that the moduli backcalculated from deflection data of FWD were used in overlay thickness design method by combining the hot questions about FWD research in recent years.

结合近年来围绕FWD应用研究的热点问题，提出了直接将FWD反演模量用于罩面补强设计的思路及其可行性。

The research purpose of this paper is on the thickness design of strengthening asphalt overlays, and the research way is based on analyzing the using of Falling Weight Defiectometer in the area of pavement design and analyzing the priority of FWD -this kind of nondestructive deflection testing equipment, the emphasis is using of the testing results and research production of FWD in overlay design.

本论文的研究对象是针对结构性补强型沥青混凝土罩面进行厚度设计，研究思路是以落锤式弯沉仪在路面工程设计领域的应用为根本目的，在分析FWD这种无损弯沉测试设备先进性的基础上，结合对各种沥青路面罩面设计方法的分析，着重研究了如何将FWD的检测及分析成果应用于沥青路面罩面设计方法中去。

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。