1)  No-dig inspection
非开挖检测
2)  non-excavation
非开挖
1.
Based on non-excavation pipe-laying construction on Kailuo High Way of Henan Province, the paper briefly analyzes curved mechanism in drilling horizontal hole and introduces executing method and its practical effect.
结合河南省开洛高速公路非开挖铺设管线工程 ,简要分析了水平孔钻进弯曲机理 ,详细介绍了工程施工技术方法及效果。
2.
The article briefly introduces a non-excavation construction technology for the small-diameter pipeline i.
文章简要介绍了一种小口径管道非开挖施工技术——水平螺旋钻进法,并结合工程实例,介绍了该法在小口径钢筋混凝土排水管道施工中的应用。
3.
This article introduced occurred mechanisms of the power plant underground water pipeline leakage,describes various non-excavation repair technology features,introduced the application of high-density polyethylene pipes in Jiaozuo power plant.
介绍了发电厂地下供水管道泄漏的发生机理,叙述了各类非开挖修复技术的特点,就焦作电厂应用高密度聚乙烯管进行管道修复进行了介绍。
3)  trenchless
非开挖
1.
The Study and Realization of the Trenchless Guide Drilling Trace-designing Software;
导向钻进非开挖轨迹设计软件的研究与实现
2.
During the process of trenchless construction,it is often inconvenient due to the bit water way matching the pump output inappropriate.
在实际非开挖施工过程中,由于扩孔钻头水眼大小与泵量不能够很好地匹配,给正常施工带来很大的不便。
3.
The functions of trenchless rig's driving mechanism affect its drilling efficiency, bore hole quality and other technologyical performances directly.
非开挖钻机给进机构的性能好坏直接影响钻机钻进效率、钻孔质量及钻机各项技术性能的发挥。
4)  no-dig
非开挖
1.
Study of automation system of no-dig guided boring track;
非开挖导向钻进轨迹自动控制系统的研究
2.
Construction Technology and Project Application Studying of No-dig Horizontal Directional Drilling Pipe Paving;
非开挖水平定向钻进铺管施工技术及工程应用研究
3.
This paper discussed the horizontal directional drilling trace optimization design in no-dig engineering.
　对非开挖工程中水平定向钻进轨迹最优化设计进行了深入研究。
5)  Trenchless Technology
非开挖
1.
Through introduced the operating principle of guide bit in Trenchless Technology,the stress state of guide bit was analysed adopting ANSYS software and simulation technology.
基于非开挖钻进中导向钻头工作机理,利用有限元分析软件ANSYS,对导向钻头的受力状态进行了模拟仿真分析,分析结果为非开挖导向钻头的结构优化设计提供了依据。
2.
Currently,horizontal direction drilling(HDD) has been considered as the mainstream in the trenchless technology used for municipal construction,in which the geo-radar and electromagnetic-based underground pipe detectors are widely used to find the distribution of pipes near the construction route so as to avoid destroying the latent buried pipes.
水平导向钻是当前进行非开挖市政建设施工的主流设备,为确保其施工安全,通常采用工作于地面的地下管线探测设备来掌握施工路线附近现有管线的分布状况。
3.
This paper discusses the definition,connotation,research objective,purpose and the characteristics of the new developed subject—trenchless technology.
介绍了"非开挖工程学"的定义、性质、研究对象和研究目的及该学科的特点,描述了该学科的基本框架。
6)  no dig
非开挖
1.
In this paper, a way to detect the guide bit track under the complex building is introduced by the way of two curves crossing with the RD 385 In practical projects,the theoretical method has been applied successfully The problem of guide drilling of no dig installation of pipelines in complicated regions is effectively solve
就ＲＤ－３８５型导向监测仪在复杂建筑物下用双线交汇法准确地进行钻头位置探测和追踪问题进行了探讨，在工程实践中利用这一理论研究结果，有效地解决了复杂地带非开挖导向钻进的方向监控问
2.
The technology of no dig installation is applied more extensively in recent years The difficulties encountered are more and more,such as drilling pilot hole in hard soil formation,improving the reaming bit in the formation,choosing reaming bit and equipment in soft soil formation,and pulling back bunched pipes from problem section Some solutions for the difficulties in construction are presente
随着非开挖铺管技术的不断应用，遇到的困难越来越多，针对施工中存在的诸如硬土层中导向孔的形成、硬土层扩孔钻头的改进、软土层扩孔钻头及设备、恶劣工作面的多束钢管反拉等问题提出了相应的解决方法。
3.
The oriented hole construction technique is key in no dig engineering,it decides the success or defeated of no dig engineering.
导向孔的施工是非开挖施工的关键 ,它决定着非开挖的成功与否。
参考词条
补充资料：非破坏性检测器
分子式：
CAS号：

性质：在检测过程中不破坏试样的检测器，如气相色谱的浓度型检测器。检测器产生的信号是溶质摩尔分数的度量，只有在试样和载气的总流速保持恒定，色谱图的峰面积才和质量成正比。因此使用这种类型的检测器，如果要进行绝对值的测定，测得的面积必须乘以流速。相对于标准物的测定中，这个因数已包括在总校正值内。浓度型检测器应用最多的是热传导检测器和电子捕获检测器，以及那些基于吸收辐射能的检测器。试样自非破坏性检测器流出，可收集起来，直接称重或用任何合适的方法分析，而且可对未知组分作进一步的研究和鉴定。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。