Though it is di? Cult to grow trees in the saline-alkali soil, the ground cover and wetland vegetation are rich and vary in response to subtle changes in the water table and PH values.
尽管难以在盐碱地里栽种树木,但覆盖地表和湿地的植被异常丰富,随着地下水位和PH值的细微变化而呈现不同的形态。
The 2005 URS study concluded that the results of the chemical soil testing are generally below the Dutch intervention values (DIV).
2005年urs进行的研究显示,土壤化学测试结果普遍低于荷兰干预值(DIV)。
Table 1 Resource gradients division of soil factors. The same values in adjacent grades are assigned to the lower grade.
表1土壤因子梯度等级划分。相邻等级中相同的值划入低等级。
Classical statistical analyses show significant spatial variability of soil erodibility K values at a scale of small watershed, the variance coefficient of which is 39.94%.
经典统计学方法分析表明,在小流域尺度下土壤可蚀性K值存在很强的空间变异性,其变异系数达39.94%。
For three kinds of different soil layer construction, the characters of the platform values and the characteristic periods of ground surface acceleration response spectra were studied.
系统地研究了软夹层在底部、中部和顶部的三种土层结构的反应谱平台值和特征周期的主要特征。
The result shows that the values of computation agree with the experimental data fairly well through comparing calculating soil moisture characteristic curve with the experimental one.
结果表明,该模型的计算值与实测值吻合的非常好,说明通过优化法确定非饱和土壤水分特征曲线是可行的。
Meanwhile, the author gives the FEM calculation process and partial parameter values, and introduces the method to decide the frozen soil strength.
同时给出有限元计算过程及部分参数值,并介绍了冻土强度的确定方法。
While the soil water suctions increased to some values, the unsaturated hydraulic conductivities in middle soil layers were higher than those in topsoil layers.
当土壤水吸力增大到一定值时,中间土层的土壤非饱和导水率反而大于底土层和表土层。
In conventional soil environment quality evaluation, the regional soil background values or the contents in the soil control points of evaluated region were used as evaluation criteria.
以往土壤环境质量评价中,一般是以区域土壤背景值或评价区土壤对照点含量作为评价标准。
The examples for the application of the background values to the formulation of soil environmental quality standard and the study of human health and agriculture were discussed.
讨论了土壤背景值在制定土壤环境质量标准、研究人体健康和农业方面的应用实例。
This article gives an account of the relationships between the natural background values of elements in soil and environmental conditions.
本文详细叙述了土壤中元素自然背景值与环境的密切关系。
Although the friendship between the Hui and Han villages has their roots in the soil of traditional socio-culture, it still has significant values in modern times.
回汉村庄的这种情谊扎根在传统社会文化的土壤中,具有不可忽略的现代价值。
The results show that there are different values in different soil ecology region in Hubei province.
结果表明不同的土壤生态区其值相差较大。
We identified the most appropriate proportion of nutrients by analyzing the soil background values.
通过对土壤背景值的测定,找出最合适的营养物质配比。
The atlas of China soil background values was briefly introduced in this paper.
简要介绍了中国土壤背景值图集。
Effect coefficients of the response spectra flat section values of three kinds of soil layer constructions were found by comparing the average values with those of the normal profiles.
通过与正常剖面的反应谱平台值比较,给出了三种土层结构的反应谱平台值的影响系数。
The soil moisture is measured in the field by time domain reflectometry , neutron probe and soil sampling, The results showed that the measured values are different.
应用时域反射仪、中子仪和上钻法测定了农田土壤水分,并对农田土层含水量和主体贮水量的测定结果进行了比较。
The equation among Lou soil and Heilu soil urease activity and time and their buffering values is quadratic linear regression equation.
土娄土、黑垆土脲酶活性与时间及土壤缓冲量之间的关系为二元线性回归方程。
Predicted runoff by WEPP was accepted, but predicted soil loss was a little far from the measured values.
WEPP模型对径流量的模拟结果基本可以接受,而模型对土壤侵蚀量的模拟值出现了一定偏差。
This numerical model gives the dynamic change of earth pressure in the soil around the shield model; and the calculated values are compared with those monitored in the model experiment.
该模型考虑刀盘开口率的影响,获得盾构周围土体中土压力的动态变化曲线,并将土压力的实测值和计算值进行比较。
After testing the national standard substance (GBW 07416) of soil available composition, the analytical results are nearly in accord with standard values.
通过对国家标准物质土壤有效态的测试,结果与标准值基本一致,测得值都在标准值的不确定度范围内。
The research indicates that different sizes of specimens result in different values of soil shear strength, and this phenomenon can be well explained using the strength theory of fibrous bunchiness.
研究表明,不同尺寸岩土体试样强度的实验结果不同,按纤维束强度理论解释较为吻合;
In fact, fertile soil - good dirt - may become more important to land values than oil or minerals in the ground.
事实上,俗称好土的肥沃土壤可能会变得比石油和矿产资源更为重要。
The values of the dynamic shear modulus and the damping factor are close to those of sandy soil.
动剪切模量和阻尼特性接近于砂性土。影响阻尼特性最明显的因素是剪应变和周压力。
The preliminary studies suggests that the values of the optimum ranges of trace elements in the soil of citrus orchards in south Fujian may provide the parameters of nutrition diagnosis for the soil.
本文初步提出闽南柑桔园土壤微量元素含量的适宜指标,可供土壤营养诊断之参考。
The soil obstacle factor, the critical values of some nutrients and the supply intensity, as well as fertilizer efficiency should be paid more attention in formula fertilization by soil testing.
测土配方施肥中,还应注意:土壤障碍因子、某种元素临界法与供应强度,肥料利用率等问题。
You may change these values manually given that you know the behaviour of certain soil very well.
你可以手动修改它,但前提是你必须很清楚你的土体的性能。
Among all component values of heat balance, the latent heat flux occupies the highest proportion from net radiation, both turbulence heat flux and soil heat flux occupy lower.
热量平衡的各分量中,潜热通量占净辐射的比值最大,湍流热通量和土壤热通量均较小。
By computations and analysis it is found that the seismic-induced accumulative pore water pressures of seabed increase with the values of soil deformation modulus and Passion's ratio decreasing.
通过计算分析可以发现:随着土的变形模量和泊松比的减小,由地震所引起的海床中的累积超孔隙水压力均增大。
By computations and analysis it is found that the seismic-induced accumulative pore water pressures of seabed increase with the values of soil deformation modulus and Passion's ratio decreasing.
通过计算分析可以发现:随着土的变形模量和泊松比的减小,由地震所引起的海床中的累积超孔隙水压力均增大。
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