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- soil Cr concentration 土壤铬含量
- Scanning electron microscope and energy dispersive spectrum (EDS) was used to measure the thickness of the reaction layer and to determine the Zr,Fe and Cr concentration penetrate profile of reaction layer, respectively. 用扫描电镜观测反应层宽度,用能谱仪(EDS)测定了反应层Zr、Fe和Cr沿扩散方向的浓度分布,研究了反应层的生长动力学。
- There were positive correlations among V, Mn, Co, Ni, and Cr concentrations, as well as among Cu, Pb, Zn, Sb, Cd and Hg concentrations. V、Mn、Co、Ni、Cr含量之间均呈极显著正相父; Cu、Pb、Zn、Sb、Hg、Cd含量之间也均呈极显著正相关。
- Study on the Soil Cr Pollution in Residue Piling Yard in Qinghai Province 青海海北化工厂铬渣堆积场土壤铬污染状况研究
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么?
- There are a lot of worms in the soil. 泥土中有许多蠕虫。
- Water has permeated (through) the soil. 水已渗遍那片土壤。
- There are some clods of soil on the mat. 垫子上有些土块。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
- kg-1 (NaSiO3?9H2O), silicon enhanced significantly the content of chlorophyll, and reduced Cr concentration in the roots and shoots significantly as chromium was added at 50mg? kg-1Na2Si03(以Na2Si03·9H2O加入)后可显著增加小白菜叶绿素浓度,在此硅处理下,当Cr浓度为50mg?
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- She makes her living from the soil. 她以务农为生。
- There was a close positive relationship between soil microbial biomass C:N ratios and Cr or Ni concentration. 上述微生物活性指标与重金属相关性分析表明,微生物量碳氮、过氧化氢酶活性、脲酶活性、酸性磷酸酶活性与Cr、Ni的加入量呈现显著负相关性,土壤微生物量碳氮比、呼吸商与Cr、Ni的加入量呈现显著正相关性。
- Grass will not succeeded in this dry soil. 在这种干燥土壤中草不会成活。
- The soil absorbs only a fraction of the rain that beats down. 土壤只吸收猛打到地面上的雨水的一部分。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧,土壤的酸化越来越严重。
- A plant that grows in saline soil. 盐生植物一种生长在盐分土壤上的植物
- Abel was a shepherd and Cain a tiller of the soil. 亚伯是个牧人,该隐则是个耕田人。