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- radon concentration in soil 土壤氡浓度
- Scintillation flask method for measuring radon concentration in the air. 空气中氡浓度的闪烁瓶测量方法.
- Radon concentration in groundwater was measured at 18 points including two continuous recording stations. 测量了包括两个连续记录台站在内共18个点的地下水的氡浓度。
- Radon concentration in ground water was measured at 18 points including two continuous recording stations. 测量了包括两个连续记录台站在内共18个点的地下水的氡浓度。
- The Pb accumulation concentration in the ring set was less than the background value in soil. 年轮序列中Pb的积累浓度低于土壤背景值;
- The effect of quick-acting phosphorous (QAP) concentration in soil on vertical distribution of T. repens was significant. 摘要土壤速效磷浓度对白三叶地上部的垂直分布影响显著。
- Runoff plots play an important role in soil erosion monitoring,and the measurement of sediment concentration in collecting tanks is a key step. 径流小区是土壤侵蚀监测的一个重要方法,对其集流桶中含沙量的测定则是侵蚀监测准确与否的关键。
- If indoor radon concentrations in the control standard within the medical significance to human health will not bring the injury. 如果室内氡浓度被控制在标准范围内，则对人体健康不会带来医学意义上的损伤。
- The subsoil denitrification was the main N2O source of subsoil in loess soil.Appling nitrogen fertilizer would definitely increase N2O concentration in soil profiles. 深层土壤N2O的主要来源是土壤的反硝化作用，施肥显著地增加各土壤层次N2O的产生量。
- No matter the single-seasonal values or annual averages, the radon concentrations in tunnels are quite higher than that in basements of buildings and underground shopping centers. 不管是单季还是年平均值,各城市三类工程的氡浓度都遵循隧道类工程远大于结建式硐室工程和单建式硐室工程的规律。
- By the comparison of the model parameters in normal speed section and idling speed section of highway,some factors,which do affect the lead concentration in soil along highway,were discussed. 通过比较在正常速度行驶和怠速行驶路段的模型参数，对公路两侧土壤中铅含量的影响因素进行了讨论。
- To measure entirely hydrocarbon concentration in soils is the premise to evaluate petroleum pollution in soils. 全面了解土壤中石油类物质含量是评价土壤石油污染的前提条件。
- The microorganism is ubiquitous in soil and is likely to be found in low concentrations in any raw commodities which contact with soil is during production and harvesting. 土壤中微生物是无处不在的,在任何原材料中都很容易发现低数量的微生物,因为再产生和收获中原料很可能和土壤接触。
- Fraction of Pb Zn Cd in soils are more activity than C Cr Ni Pb Cd concentration in soils increase with the applying of sludges. 土壤中Pb、Zn、Cd的存在形态相对于Cu、Cr、Ni要活跃，主要以氧化物结合态及有机物结合态存在，而污泥的施用有增加土壤中氧化物结合态Pb、Cd含量的趋势，但污泥的施用主要增加的是土壤中各种重金属残留态含量。
- Amounts of moisture in soil vary greatly. 土壤中湿度变化很大。
- Scintillation flask method for measuring radon concentration in the air 空气中氡浓度的闪烁瓶测定方法
- The seed may grow if you plant it in soil. 如果你把这种子种在土里,它可能会生长。
- Our population is concentrated in the big cities. 我国人口集中在大城市里。
- Their role in soil has not been defined adequately. 它们在土壤中的作用还未充分肯定。
- A plant that thrives in soil rich in lime. 钙生植物生长于富含石灰质土壤中的植物
