PolyFerric Phosphatic Sulfate ( PFPS) is not used widely due to short of support of theory. 由于缺乏理论支持,使聚合磷硫酸铁(PFPS)的生产应用受到限制。
This paper briefly introduced the phosphating treatment technology Zn-Fe alloy plating, and discuss the influence of technology parameters on quality of phosphatic coating. 简要介绍电镀锌铁合金后的直接磷化处理工艺;讨论工艺参数对磷化膜质量的影响。
An Easy and Practical Determination Method of Mass of Phosphatic Film of Steel Wire 一种简单实用的钢丝磷化膜膜层质量测定方法
On the status of soil phosphorus and the response of applied phosphatic fertilizers to crops of some important soil types, kiangsu Province 江苏省几种主要土壤磷素供应状况和磷肥效果
Some skeletal fossils from the phosphatic sequence, early lower cambrian, South China 我国寒武纪早期含磷岩系中的几种动物骨骼化石
Regional Consultation on the Phosphatic Fertilizers and Pesticides Industries in 非洲磷肥和农药工业区域协商
It's applications in petroleum and phosphatic fertilizer production and in cooling water treatment are introduced. 并介绍了在石油工业、磷肥生产与工业循环冷却水中的应用。
Strengthening the precaution for phosphatic compound fertilizer to ensure the food safety 强化磷复肥预警工作,保障粮食安全
Preparation of Phosphatic Polyvinyl Butyral and Its Property on Adsorption of Rare Earth Elements and Americium 磷酸酯化聚乙烯醇缩丁醛的制备及对稀土元素和镅的吸附研究
Effect of Phosphatic Fertilizer on Growth of Rice on Zinc Deficient Soil 磷肥施用量对缺锌土壤上水稻生长的影响
For investigating the crop effectiveness and comparing the effectiveness of acid materials with that of phosphatic fertilizer, furfural residue, ferrous sulfate and sulphur powder, which were good for the effect according to the preceding experiment, were selected to be tested. 由此选出比较理想的糠醛渣、硫酸亚铁和硫磺粉进行了田间试验,探讨其生物效应,并与磷肥进行了比较。
Suggestions on Technical Renovation of Five Major Phosphatic Fertilizer Projects with Localized "Slurry Process" for Ammonium Phosphates 以国产化料浆法磷铵技术改造五大磷肥工程的建议
Phosphatic concentration in equilibrium solution suitable for plant growth is more or less the same in different soils. 不同性质的土壤,适宜作物生长的土壤平衡溶液磷浓度差异不大。
The systematic data about the radioactivity of U, Th, Ra and 40K in phosphate rocks, phosphatic fertilizers and soil are given. 获得了我国磷酸盐矿石、磷肥和农田土壤中轴、钍、镭和钾-40活度的系统数据资料。
Present Status of Product Structure of Phosphatic Fertilizer Industry in Yunnan Province and Development Suggestions 云南省磷肥工业产品结构的现状及发展建议
The availabilities of Pb and Cd in rhizosphere of red soil would drop with adding phosphatic fertilizer. 增施磷肥红壤根际有效态铅、镉的活性降低。
A study has been made of the application on beet of granular fertilizers made from trace elements, boron, manganese, zinc and molybdenum and rare earth elements compounded with nitrogenous and phosphatic fertilizers and the results of increase in yield and sugar content. 介绍了硼、锰、锌、钼等微量元素和稀土与氮、磷肥复配成颗粒肥施用于甜菜的增产增糖效果。
This paper introduces the property of phosphatic surfactant, methods of synthesis and its application in the refined agents. 介绍了磷酸酯表面活性剂的性质、合成方法及其它精练剂中的应用。
Under optimal processing condition, phosphatic ammonia salt, for example, ( NH4) H2PO4 etc. 在目前实验条件下,电解液中的磷酸盐可选择磷酸类铵盐,如磷酸二氢铵((NH4)H2PO4)等;
Characters of phosphorus supply and response to phosphatic fertilizer in sandy soils 砂土供磷特性及磷肥效应研究
The effect of phosphatic and molybdic fertilizers on the Vegetable Pea in the acid soil 酸性土壤上磷、钼对菜豌豆效应的研究
The effects of nitrogenous, phosphatic and potassic fertilizer on the content of protein in soybean were discussed by this model. 依据该模型探讨氮、磷、钾肥对大豆蛋白质含量影响的规律。
The action model was established for the effects of nitrogenous, phosphatic and potassic fertilizer on the content of protein by using orthogonal regression rotating method. 采用正交回归旋转设计方法,建立了氮、磷、钾肥对大豆蛋白质含量的综合作用模型。
Phosphate Rock Resources and Sustainable Development of Phosphatic Fertilizer Industry in China 我国磷矿资源与磷肥工业的可持续发展
Production and Application of Phosphatic Fertilizers with Trace Elements 微量元素磷肥的生产及应用
Intensity of Phosphorus Absorption and the Amount of Phosphatic Fertilizer in Hutuo River 滹沱河流域土壤吸磷强度及磷肥施用量的研究
Activating effects and mechanisms of phosphatic fertilizers in lateritic red soil derived from arenaceous shale 砂页岩赤红壤磷肥活化效果及其机理研究
Scientific application of phosphatic fertilizer and rational allocation of soil phosphorus have become the major question to be solved for developing our modern agriculture. 科学施用磷肥,合理配置土壤磷素,已成为我国发展现代农业所需解决的重大问题。