The dynamic changes of soil microbial biomass Carbon (c) and soil enzyme activities during growth of corn were studied in field experiment.
采用大田试验法研究了玉米生育期内土壤微生物量碳和酶活性动态变化特征。
An outdoor pot experiment was conducted to elucidate nitrogen dynamic characteristics in surface water of paddy soil with straw return with landfill.
采用盆栽试验方法研究了秸秆填埋对水稻土表层水三氮动态变化的影响。
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。
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