查询词典 phosphorus

The synthesis of the large single crystals of AlPO〓or SAPO molecular sieves by using phosphorous acid as the source of phosphorus was studied.

4进行了亚磷酸为磷源合成磷酸铝分子筛单晶的实验研究。合成了一系列磷酸铝或硅磷酸铝分子筛单晶。

Silicoaluminophosphate (SAPO–5) molecular sieves were synthesized by the hydrothermal method, using metakaolin with a certain degree of activity as the silicon and aluminum sources, phosphoric acid as the phosphorus source and triethylamine com- bined with hydrofluoric acid as the template agents.

以具有一定活性的偏高岭土兼作铝源与硅源、正磷酸作磷源、三乙胺和氢氟酸为复合模板剂，用水热方法合成了磷酸硅铝分子筛(SAPO–5)。

About the same time, a French chemistry student called Charles Sauria produced the first "strike-anywhere" match by substituting white phosphorus for the potassium chlorate in the Walker formula.

在同时，一个叫Charles Sauria的法国学化学的学生生产可以以白磷取代了在Walker公式中的氯化钾的第一个根&在哪里都可以点燃&的火柴

The main resultsshowed that the average removal efficiency on Total Nitrogen with planted Phragmites communis and Canna indica were higher than 90% for 1 day and 3 days, but the removal efficiency with planted Scirpus validus and Acorus calamus changed from 51.90% for 1 day to 90.90% for 3 days; The removal efficiency was not significantly different from each other on Total Phosphorus except for Phragmites communis; The combination of Phragmites communis and Canna indica, Typha orientalis and Acorus calamus were good at removing COD; the removal efficiency on NH_4~+-N was the highest with planted Acorus calamus.

结果显示，芦苇和美人蕉组合对总氮的去除率在停留1天和3天时均达到90％以上，而水葱—菖蒲组合变幅较大，从停留1天的51.90％增加到停留3天的90.90％；植物对TP的去除率除了芦苇组合偏低以外，其它植物差别不明显；芦苇—美人蕉组合和香蒲—菖蒲组合对COD去除较好；菖蒲组合对NH_4~+-N去除效果最好。

In Eucalyptus forestland, soil organic carbon, total nitrogen, available potassium contents and soil PH decreased significantly; soil available phosphorus and exchangeable magnesium contents, net nitrogen mineralization rate and ammonification rate also decreased but showed no significant difference. In shrubland, soil exchangeable calcium content increased significantly, but the contents of other nutrients had no significant change.

结果表明：火烧3年后，桉林土壤有机碳、全氮、速效钾和pH含量明显降低，土壤有效磷、交换性镁、土壤净氮矿化速率和氨化速率降低，但不显著；火烧灌草坡除土壤交换性钙明显增加外，其他土壤养分均无显著变化。

The low-phosphorus and low-carbon Al-Si-Mn ferroalloy is produced with aluminium and common silicomanganese in certain proportion and through adding proper amount of Ca-Ba dephosphorizing agent for high temperature dephosphorizing and decarbonizing and adding proper amount of pure aluminum and clean waste steel.

本发明按一定比例的铝、普通硅锰合金，加适量的钙、钡系脱磷剂进行高温脱磷脱碳，再根据产品成份的要求补加金属锰，加入所需的纯铝及纯净废钢，获得的低磷低碳铝硅锰铁合金的组成为：Al 5～20％，Mn 50～70％，Si 8～20％，C≤1.0％，P≤0.1％，S≤0.03％，余量为Fe。

Common Pitfalls Common Pitfalls Common Pitfalls Common Pitfalls Common Pitfalls The first issue is that many laboratories throughout the world rou- tinely offer an incomplete assessment of soil fertility, providing only an analysis of pH, organic matter, some form of ni- trogen, available phosphorus, and potas- sium.

常见缺陷常见缺陷常见缺陷常见缺陷常见缺陷第一个问题是，世界各地的许多实验室柔， tinely提供了一个完整的土壤肥力评价，只提供一分析pH值，有机质，一些镍形式特罗根，有效磷和potas，泽。

Its subject coverage includes: removal of phosphorus from carbon and alloy (including high alloy and stainless) steel baths in the converter; fluxes, flux action; blowing; slag formation and dynamics; slag/melt interaction; slagless refining; continuous processes; treatment of secondary metal melts; effect of treatment methods on final product quality and pr

它的主题涉及的范围包括：转炉中从碳和合金钢液池除磷；助熔剂，助熔作用；吹炼；炉渣形态和动力学；矿渣/溶解交互作用；无渣精炼；连续过程；再生金属融解处理；最终产品质量和性能处理方法的作用；钢特性中磷水平的作用。

Bioleaching may require added phosphorus and nitrogen if these are limiting in the ore materials, and the same process can be used to solubilize uranium.

如果在矿石中氮和磷不足，生物萃取则需要加入这些营养素，并且这一过程还被用来提取铀。

Compared to soybean oil extracted by Soxhlet extraction, the soybean oil extracted by TPP has lower phosphorus content.

与索氏抽提法所得油相比，三相分离技术提取的大豆油含磷量显著降低。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。