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- Pb content in soil 土壤含铅量
- This paper analyzed the possibility of reflectance spectra obtained under laboratory conditions for the assessment of Pb,Cd and Hg content in soil quickly. 本文利用实验室实测的土壤反射光谱以及铅、镉、汞等重金属元素数据,进行土壤重金属元素含量快速预测的可行性研究。
- The results showed that Cd and Pb uptake by Chinese cabbage was closely related to their contents in soil but that of Cr in soil. 结果表明,小白菜吸收Cd,Pb与土壤含量有根好的相关而与土壤中Cr含量无关。
- The results showed that the Pb content in different part of 20 genotypes of wheat grains differred from each other as aleuronic layer>hypocotyl>radicle>scutellum>plumule>cortex>endosperm. 结果表明:铅在小麦籽粒不同部位的含量存在明显差异,由大到小的依次为:糊粉层、胚轴、胚根、盾片、胚芽、皮层、内胚乳。
- The uncertainty of chlorine content in soil samples determined by X-ray fluorescence spectrometry has been evaluated. 摘要用实例对X射线荧光光谱法测定土壤样品中氯的不确定度进行了评定。
- When the absolute moisture content in soil dropped to 6.7%,the activity of CAT first reached the maximum. 结果表明;随干旱程度加重;扁桃抗氧化酶活性逐渐增强;当土壤绝对含水量降至6.;7%25时;过氧化氢酶(CAT)活性首先达高峰;
- As well as, the content of MDA would increase with drought,and reached the top,when the absolute water content in soil dropped to 2.1%. 丙二醛(MDA)含量随干旱加重而逐渐增加;当土壤绝对含水量降至2.;1%25时其含量最高。
- Heavy rain or saturating rain would lead to drastic decrease of mercury content in soil gas or even to the disappearance of anomalies. 大雨或透雨过后,壤中气汞含量急剧降低,甚至使异常消失;
- The logarithm of bioaccumulation factors(BCF) linearly correlates with the logarithm of arsenic content in soil to som... 蚯蚓能用作土壤中洛克沙胂污染的指示生物;而且可以用蚯蚓生物除污技术来减少或控制洛克沙胂的环境污染.
- Huang S M,Bao D J.Effect of N fertilizer application on nitrate content in soil and underground water[J].Agri-Environ.Prot.,2000,19(4):228-229. [19]黄绍敏;宝德俊.;施氮对潮土地下水硝态氮含量的影响[J]
- Nanfeng orange is a famous fruit in the world,but the content of rare earth in the fruit and its relation to the content in soil were little studied. 南丰蜜桔是原产江西南丰地区的重要水果品种,但是对于该品种的稀土元素含量的研究还没有见到报道。
- Determination of As,Pb Content in Two Sorts of Chinese Medicine 二种中成药中砷、铅含量的测定
- Because microwave is sensitive to the water content in soil, it's possible to probe water resource underground with radarsat remote sensing. 根据微波对土壤水分敏感的特性,提出通过卫星雷达遥感技术探测地下水的思路。
- The studies of the effects of temperature and water content in soil on the Quantity of Acarina and Collembola were made. 对不同温度和土壤含水量与螨类和弹尾类数量的关系进行了实验观察。
- Vertical distribution of trace element contents in soil in Tianjin Area. 天津地区土壤中微量元素含量的纵向分异。
- (3)the indices of accumulative Pb content as well as those of static and dynamic capacities in soil are put forward and the models ... (3)提出预测铅的累积含量和土壤静容量、动容量指标,并给出计算式,初步建立了适于路侧土壤的环境评价体系;(4)进行了某拟建公路铅污染预测的实例研究。
- He found contentment in reading novels. 他从看小说当中得到满足。
- We confirm the accuracy and applicability of the ground penetrating radar to be used to estimate mean volumetric water content in soil profile after radar wave velocity analysis. 分析雷达波在土壤中传播速度的变化,明确基于探地雷达的土壤剖面平均含水量测定方法的适用性和准确性。
- An increase in soil water content would decrease their movement. 土壤水分含量的增加将减低它们的移动。
- Amounts of moisture in soil vary greatly. 土壤中湿度变化很大。