查询词典 soil

Flooding of soil led to a rapid mobilization of As, mainly as arsenite, in the soil solution.

赵方杰对本网络记者表示：在大田状况下，旱作种植产量可能会低一些，因为淹水帮助控制土壤线虫和病原体。

According to the surface patterns can be divided into gray ash soil salinization and soil of the two sub-categories.

根据地表形态，可分为灰钙土和盐化灰钙土两个亚类。

ConclusionPheretima aspergillum is suitable to the acidic soil habitat, high water content and dry soil are unsuitable for their lives.

结论参环毛蚓选择在湿度适中，偏酸性的土壤中生活；高湿及较干燥，强酸性和碱性的土壤不适宜其生活。

The unsaturated and compacted soil triaxial test result under constant suction describes the unsaturated soil critical state surface in p-q-s three dimensional space: in p - q plane, the slope M of critical state line is independent of suction; the cross line of LC yield surface and critical state surface is a curve with extremum in three dimensional stress space, and its projection in p-s plane is located in quadrant 1 in triaxial compression state; its projection in q-s plane has asymptote, and there should also be asymptote in respect of the curve that stands for the function relationship between cohesive and suction.

基于局部变形测量的常吸力非饱和压实土三轴剪切试验结果，全面描述了非饱和土p—g—s三维应力空间中临界状态面的合理形态：在p—q平面，临界状态线斜率M是与吸力无关的物理量；临界状态面与LC屈服面交线在三维应力空间中是一条存在极值的曲线；该交线在p—s平面的投影曲线在三轴压缩应力状态下应位于第一象限；该交线在q—s平面的投影曲线应存在渐近线；反映凝聚力与吸力关系的函数曲线也应存在渐近线。

Planting out the approved Australian desert reversal, C4 photosynthesis pathway Bin Li Atriplex nummularia reverses sandification desertification and makes soil and soil carbon.

种植在澳洲被证明能有效逆转沙漠化的植物。滨藜C4光合途径能逆转土地沙化和沙漠化并释出土壤和土壤碳。

Neutron Instrument and soil auger methods was applied to monitor soil moisture for 5 years.

采用中子仪与土钻相结合的方法进行了4年土壤水分定位监测。

By culture experiment method, the experiment proves up residues characteristics of aureomycin in soil and effects of that on soil enzyme activities.

选用市售金霉素作为试验材料，采用室内培养的方法，研究了金霉素在土壤中的残留特点及其对土壤酶活性的影响。

Exogenous aureomycin decomposed in the soil and restrains soil enzyme activity.

金霉素在土壤中呈现出逐渐降解的特点，对土壤酶活性起到抑制作用。

In a word, the effect of azotobacter fertilizer on living activity, soil fertility and crop quantity is Significant within the scope of 0.05-0.20g/kg of using nitrogen in the soil, and the effect is most prominent at the level of 0.15g/kg of using nitrogen.

由此可见，固氮菌肥料对于土壤的生物活性、土壤肥力和作物品质的促进作用在土壤施氮量为0.05～0.20g/kg范围内均表现出明显效果，但以0.15g/kg效果最为突出。

On the basis of sensitivity analyses using the PROSAIL model, the present study demonstrates an approach that uses a neural network based on image classification incorporated in PROSAIL for accurate retrieval of LAI. By including the soil reflectance index in the original PROSAIL model to take the place of soil background reflectance parameters that are difficult to determine, specific neural networks are constructed corresponding to individual types of vegetation cover.

在PROSAIL模型敏感性分析的基础上提出了一种基于影像分类的神经网络反演方法，引进了土壤反射指数用于替代原模型中难以确定的土壤背景反射参数，分别针对不同植被类型建立各自的神经网络，对经过大气纠正后的Landsat ETM+影像进行了模拟实验并同野外实测LAI数据进行比较。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。