When the deformation caused by the inhomogeneous subsidence accumulates to the critical state of the soil, ground fissures will occur in the stress concentration positions.
当这种不均匀变形程度足以使土体连续性破坏时，则地裂缝便在沉降区应力集中的部位发生。
And the relativity of ground particulate emission factor and the concentration of resuspended particulate in total suspended particulate (TSP) was studied.
同时进行了地面起尘因子与城市空气总悬浮颗粒物(TSP)中扬尘浓度的相关性研究。
Then, the concentration under different wind diffusion condition are analysized by using ground pollution mode so that the ratio of contribution to the total pollution limit is obtained.
之后采用近地面尘降模型，计算了这类污染源在不同气象层结下的扩散状况，得出其污染浓度对大气环保浓度的分担率。
Through continuous automatical adjustion of the paragraphs fluid volume, ground sand concentration, proppant type and size and so on, the software finally designs fracturing process.
通过不断自动调整各段防砂液体积、地面加砂浓度、支撑剂类型和粒径等，设计出压裂施工程序。
The sources of methane by monitoring its concentration in the ground atmosphere was analyzed, which provided important bases for the studying in the atmospheric chemistry.
通过监测地面环境空气中甲烷的含量来分析其来源，能够为大气化学的研究提供非常重要的依据。
A new mathematical model for consolidation of composite ground with granular columns considering the stress concentration effects is presented and the analytical solution is obtained according.
提出了考虑应力集中效应的散体材料桩复合地基固结数学模型，给出了相应的解析解，并探讨了此类复合地基固结的一般规律。
Nitrogen may cause non_point pollution in water in forms of eutrophication in surface waters and high nitrate concentration in ground water.
氮素流入对水域的污染为非点源污染，主要导致地表水的富营养化、地下水硝酸盐含量过高等。
The results in the scale of experiments show that ordinary Kriging method is the optimum method for estimating the spatial distribution of the contamination concentration in ground...
在实验尺度下的比较结果表明，普通克立格法是研究地下水污染物浓度空间分布的最优估值方法。
A simple prediction model for regional ground water and soll water concentration, in which the immobile water is taken into account, is proposed based on water movement and solute transport.
根据水均衡和盐分运动的基本原理，考虑到在实际情况下不动水体的存在，提出了一种简单的区域水盐动态预测预报模型。
The increasing ground heat release would strengthen the air exchange rate within the courtyards, thus lead to the decrease of pollutant concentration.
地面散热量的增加会强化污染物的扩散，有助于将其排出庭院建筑，该作用在静风状态下表现的更加明显。
This paper describes the relationship between the height of pollutant emissions and the maximum ground-level concentration.
叙述了对污染物排放高度和最大落地浓度的关系。
Their natural beauty had been hijacked by an extraordinary concentration of ankle-deep plastic and paper garbage on the ground.
然而令人扫兴的是，大自然的鬼斧神工却在齐踝深的塑料垃圾和废纸中黯然失色。
Thereafter, to use ULF geological remote sensing device on ground surface can block out gas concentration range and predict its extent.
据此，在地面使用超低频地质遥感探测仪，即可探测出地下瓦斯气的富集范围，预测其富集程度。
The preparation process is as follows: rose is dried and the dried rosebuds are ground into powder; ethanol with concentration of 50 percent to 95 percent is used for extraction for 3 times;
制备过程为：干燥玫瑰花，干燥玫瑰花蕾研磨至粉末状，用50-95％乙醇浸泡提取3 次，过滤合并3次提取液；
The preparation process is as follows: rose is dried and the dried rosebuds are ground into powder; ethanol with concentration of 50 percent to 95 percent is used for extraction for 3 times;
制备过程为：干燥玫瑰花，干燥玫瑰花蕾研磨至粉末状，用50-95％乙醇浸泡提取3 次，过滤合并3次提取液；
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