水溶性磷

水溶性磷水溶性磷
  1. 结果表明,培养1d时,不同氮肥对土壤有效磷含量无显著影响,但显著降低土壤的水溶性磷含量;

    The results showed that all nitrogen fertilizers hardly influenced soil available phosphorus on the first day incubation , while greatly reduced soil solution phosphorus .

  2. 以10-羟基喜树碱(HCPT)为原料,吡啶为溶剂,经过磷酰化、酯化、水解三步反应合成了全新的水溶性磷酰化衍生物。

    Water-soluble derivative with the lactone ring intact was synthesized by using 10-hydroxycamptothecin ( HCPT ) as raw material and pyridine as solvent through phosphorylation , esterification and hydrolysis .

  3. 超声波提取快速测定复混肥料中的水溶性磷

    Rapid determination of water soluble P _2O_5 in compound fertilizer by ultrasonic extraction

  4. 磷石膏中杂质的形态及水溶性磷对水泥物理性能的影响

    Impurity configuration in phosphogypsum and influence of water-soluble phosphorous pentoxide on cement physical property

  5. 湖水碱化促进水层中颗粒磷解吸成为水溶性磷。

    High pH of lake water makes phosphorus to be desorbed from suspended particle .

  6. 不同的施磷量,土壤速效磷和水溶性磷含量的相关性达极显著。

    Soil available phosphorus and water solvable phosphorus have significant correlation with different phosphorus rate .

  7. 扬州砂壤土对水溶性磷吸附与固定的示踪动力学研究

    The trace kinetic analysis on the adsorption , fixation and release of water soluble phosphorus by Yangzhou sandy loam

  8. Ⅲ处理方式(覆盖稻草)效果最佳,但它也明显增加了水溶性磷的流失量。

    Treatment (ⅱ)( mulching straw ) shows the best effect , but it increased the loss of water-soluble phosphorus significantly .

  9. 结果表明:磁场处理能够提高施肥棕壤、保护地土壤水溶性磷含量。

    The results showed that magnetic treatment could increase water-soluble-P contents in fertilizer application in brown soil and frame area soil .

  10. 通过测定土壤水溶性磷、速效性磷,研究了木质素对土壤残余磷的释放作用。

    The effects of lignin on the liberation of residual phosphate in soil were studied by determining water-soluble phosphate and rapidly available phosphorus .

  11. 不同氮肥均显著降低土壤水溶性磷含量,但硝酸铵的作用显著小于其他氮肥;

    And that all nitrogen fertilizers decreased soil water soluble phosphorus content , but the effect of ammonium nitrate was less than that of the others ;

  12. 建立了超声波溶样快速测定磷酸二铵中的水溶性磷和有效磷的方法。

    A new method is set up to determine the water-soluble and available phosphorus in diammonium phosphate by the application of ultrasonic wave to solve the sample .

  13. 水溶性磷的比率在02%~04%间,且不同施肥实践对其的影响不明显。

    The ratio of soluble P to the total was in a range of 0 2 % ~ 0 4 % , without significant influence by the different fertilization schemes .

  14. 介绍了采用超声波清洗器提取粒状三料重过磷酸钙中的水溶性磷和有效磷的测定方法及提取条件对测定结果的影响,该方法与HG/T2219~2224-91相比较,具有快速、简便的优点。

    Determination of water soluble phosphorous and effective phosphorous by extraction of triple superphosphate with ultrasonic cleaner was introduced , and effect of extraction factors on the result was studied .

  15. 供试活化剂不仅可促进难溶磷的释放,还可控制水溶性磷的释放,使土壤供磷性能平稳;

    The activation agents can not only promote the release of hard-soluble P , but also control the release of water-soluble P so as to stabilize the P supply from soil .

  16. 为了寻求提高磷钾肥利用率的途径,该文采用恒温振荡试验初步研究了天然沸石对水溶性磷、钾在红壤中向无效态转化的影响。

    In order to improve the nutrient efficiency , batch-experiments were conducted to preliminarily study the effects of native clinoptilolite on the unavailable process of water-dissolvable phosphorus and potassium in red soil .

  17. 沼液全量和水溶性氮磷钾养分平均含量均以K>N>P,沼渣则以P高于N、K。

    The average contents of nutrients in slurry were found to be in an order : K > N > P , exception of P , which in dregs was higher than K and N.

  18. 膦酰基羧酸共调聚物(简称POCA)是一种含磷的水溶性聚合物,磷含量一般低于3%,具备了绿色水处理剂的概念,并已在国内大量生产,成本较低。

    POCA is a kind of water-solubility polymer . Its phosphorus content is lower than 3 % generally and act in accord with green concept . It has already been produced in a large amount at home and the production cost is relatively low .