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Based on the experiment data of summer maize in Irrigation Experimental Station of North west A&F University during 2001~2004, a normalized model between leaf area index (LAI) and accumulated temperature was developed.
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摘要通过对连续4a夏玉米叶面积指数的研究，建立了夏玉米叶面积指数与积温之间的归一化模型。 |
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Based on the experiment of dust removal in a granular layer at normal temperature and the analysis of the experimental results, the influence of filter particle diameter, layer thickness and filtration velocity on the dust removal efficiency was researche
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摘要在常温下，采用固体颗粒层进行过滤除尘的实验研究，并对实验结果进行分析，探索了过滤介质粒径、过滤层厚度和过滤速度对除尘效率和床层压力差的影响。 |
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Based on the experiment studies, the study on water and solute transport in sandy soil under reclaimed water irrigation was made, The result can give some reference for the effect on soil solute transport and soil environment under micro-contaminated wate
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摘要以宁夏回族自治区大武口市森林公园的含砾砂土为研究对象，通过室内试验，对中水灌溉条件下砂砾质土壤在不同灌水量、多次连续灌水、降雨淋洗等不同来水条件下水分、污染物运移的规律进行了初步的研究，为微污染水用于绿化灌溉对砂砾质土壤中污染物运移及累积的研究提供科学依据。 |
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Based on the experiment, the influences of tool normal rake, chip pulling angle and chip pulling force on the shape and metallurgical structure of the fiber cross section are studied.
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通过试验研究了刀具法向前角、拉屑力和拉屑角等对纤维横截面形状和金相组织的影响。 |
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Based on the experiment, we describe the multilevel pipe pressure loading method that can simulate the high back pressure of pump and has low noise property.
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摘要在试验研究的基础上，论述了多级节流增压模拟水泵实际运行背压的低噪声特性。 |
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Based on the experimental and numerical simulation results, a new equivalent plate thickness formula and new empirical formulas for the mean crushing load are given.
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基于实验结果和数值仿真的结果，给出了新的等效板厚和平均压溃载荷计算公式。 |
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Based on the experimental data and analysis, temperature, temperature stress and temperature crack mechanism of the concrete sidewall of metro station with iterative structure are studied, and the crack control measures are put forward.
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摘要依据实验研究教据和理论分析，对地铁叠合结构车站侧墙混凝土的温度、温度应力和温度致裂机理进行研究，从温度控制的角度提出裂缝控制措施。 |
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Based on the experimental data from cornfields, this paper compared the daily change of evapotranspiration calculated by Bowen ratio energy balance and that calculated by lysimeter.
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摘要根据实测资料，对波文比计算的蒸发蒸腾量和蒸渗仪实测的蒸发蒸腾量日变化进行比较及分析。 |
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Based on the experimental data, a muddy water infiltration law formula was built.
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浑水中物理性粘粒含量越大，累积入渗量就越小。 |
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Based on the experimental method, the researchers use ladder approach to teach in college table tennis elective.
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摘要采用实验法，在乒乓球选项课中运用阶梯式教学法进行教学。 |
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Based on the experimental result of the characteristics of reinforced concrete slabs with cross-shaped column and the yield-line theory, the yield-line pattern of reinforced concrete slab-column connection with cross-shaped column was presented and the fl
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根据所进行的柱截面为十字形异形柱－板柱连接冲切特性的试验成果，提出了十字形柱－板柱连接的屈服线形式，并应用屈服线理论，导出了十字形异形柱－板柱连接的抗弯承载力表达式。 |
