1) observed wave field
观测波场
2) in-situ observation
现场观测
1.
Based on the in-situ observation of the firstly mined working face of Nanliang coal mine,the roof movement,the roof weighting intensity,and entry deformation and failure of the working face were analyzed.
通过南梁煤矿首采工作面采前的实验研究和开采时的现场观测,分析了工作面顶板的移动、来压强度以及巷道变形破坏情况,总结了厚黏土覆盖层浅埋煤层单体长壁工作面的矿压显现规律。
3) field observation
现场观测
1.
The removal effects of Jussiaea stipulacea Ohwi on nitrogen and phosphorus in eutrophic water were further studied in indoor experiment,as well as in field observation.
采用室内试验和现场观测相结合的方式,进一步探讨了黄花水龙对富营养化水体中氮磷的去除效果。
2.
This paper research the ground pressure of the Long-wall Full-mechanized caving mining field on strike of steeply thick coal seam of Gansu Wangjiashan coal mine by using the FLAC3D numerical calculation software and field observation.
阐述了运用FLAC3D数值计算软件和现场观测方法,对甘肃省王家山煤矿大倾角厚煤层走向长壁综放采场矿山压力进行研究的情况。
4) Site observation
现场观测
1.
Good stability of roadway under bolt support has been proved by site observation of roadway deformation.
依据实际地质力学资料,运用整体锚固结构理论提出了曙光煤矿巷道锚固支护方案,确定了锚固支护参数;对整体锚固结构下的巷道围岩变形进行了现场观测,结果表明,锚固支护稳定性良好。
5) field monitoring
现场观测
1.
How to use the roof pressure safely is of crucial importance in longwall top-coal caving in China Based on field monitoring, theoretical analysis of strata movement, the numerical model of hard roof's stepped cantilever structure is built, and th.
通过对岩层移动的现场观测,建立了综放采场坚硬顶板控制的悬梁模型及其数值模型,运用有限元法分析了坚硬顶板不同来压步距对硬顶煤的压裂效应,并确定了合理的支架阻力,从而对坚硬顶板进行有效的控制,达到消除坚硬顶板对采场的冲击隐患、保证采场矿压对坚硬顶煤的有效压裂及提高顶煤回收率之目的。
2.
In this paper,the importance of field monitoring is emphasized through obtaining the network stabilitycriteria,load modeling and the principles of simulation and modeling.
作者从稳定判据的取得、负荷模型的建立以及仿真和建模的原则三个方面论证了现场观测在稳定问题研究中的重要作用。
6) flow observation
流场观测
补充资料：气象观测场
观测地面气象要素变化的场所。必须建立在空旷平坦的地方，大小通常为25米×25米，场地平整，有草皮覆盖，四周有不高的稀疏栅栏，以保持空气流通。场内仪器布置，高的安置在北面，低的顺次安置在南面，仪器之间应有适当间距。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条