The results indicated that the PAC of the soils in Ningxia were situated between 8712 to 12998 mg/kg,its significant correlated with soil physical clay.
0的2%磷酸铵溶液测定了宁夏7种主要生产性土壤的磷酸吸收系数,结果表明,宁夏7种主要生产性土壤的磷酸吸收系数(PAC)介于8712~12998mg/kg之间,PAC值的大小与土壤物理性粘粒有极显著相关关系(r=0。
Dissolution kinetics of phosphate tailings with high magnesium content in phosphoric acid;
高镁磷尾矿在磷酸中的溶解动力学
Research on the reaction mechanism of potash feldspar and phosphate rock in the phosphoric acid;
钾长石与磷矿磷酸反应机理研究
Study on preparation of precipitated silica by leaching yellow phosphorus slag with phosphoric acid;
磷酸浸取黄磷炉渣制沉淀二氧化硅的研究
Effect of Several Low-molecular-weight Organic Acids and Phosphate on the Adsorption of Acid Phosphatase on Soil Colloids and Minerals;
几种低分子量有机酸、磷酸对土壤胶体和矿物吸附酸性磷酸酶的影响
The method is to adopt phosphate and the mixture of hydrochloric acid and nitric acid to dissolve the samples,and then to determine the total w(Al) with Inductively Coupled Plasma Atomic Emission Spectrometry in proper conditions.
试验了微波消解/ICP-AES法测定钢中全铝的主要条件及效果,提出了采用磷酸和盐酸-硝酸混合酸溶解试料,以ICP-AES法在合适的条件下进行测定,获得了较好的效果。
It has been found that the carbonation of Ca(OH) 2 suspension is similar upon using phosphoric acid or soluble phosphates as .
在磷酸系晶型控制剂的作用下 ,通过氢氧化钙悬浊液的非均相沉淀法合成了文石型晶须 ,研究了在此方法中晶型控制剂、温度以及初始 p H值等工艺因素对文石生长的影响规律。
New technologies for producing phosphorous acid in China;
我国自主开发的两项磷酸生产技术应予以关注
Feasibility of preparing activated carbon from bamboo knot with phosphorous acid by microwave radiation was studied.
研究了以竹节废料为原料,采用微波辐射磷酸法制备活性炭的可行性。
Every year, a huge amount of phosphorous acid is produced in China with large amounts of waste heat and thermal pollution.
中国磷酸生产过程中的热浪费和热污染问题非常严重。
Effect of H_3PO_4 on valve-regulated lead-acid battery;
磷酸对阀控式铅酸蓄电池性能的影响
Feasibility of activated carbon preparation from timber surplus of Acacia mangium with H_3PO_4 solution by microwave irradiation was studied.
以马占相思木材废料为原料,研究了利用微波辐射磷酸法制备活性炭的可行性。
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