the effect of activation porous agent on reaction process of phosphate rock acidulated by sulfuric acid was studied.
用硫酸分解开阳磷矿,研究了活化疏松剂(apa)对该反应过程的影响。
after the sample had been acidulated and dissolved by soda. p-mo-v xanthic acid spectrophotometry was used to determine the content of p2o5.
试样经堿熔,酸化后,以磷-钼-钒黄分光光度法测定五氧化二磷;
the effect of partially acidulated phosphate rock compound fertilizer and the degeneration mechanism of water soluble phosphate in soil were introduced.
介绍了部分酸化磷矿一步法制复合肥的肥效及水溶磷在土壤中的退化机理。
process features and experimental results of production of compound fertilizer from partially acidulated phosphate rock in one step are presented.
介绍部分酸化磷矿一步法制复肥的工艺特点及实验研究结果。
in the present work the dynamic mechanic properties of acidulated hide, chrome tanned leather and polymer-impregnated leather have been investigated by means of dynamic mechanic methods.
本工作利用动态力学方法研究了浸酸皮、铬鞣制皮、聚合物修饰皮的动态力学性能。
the invention provides a fish feed formulation added with citric acid, relating to the aquatic feed process field, especially relating to an acidulated fish feed formulation and its process.
一种添加柠檬酸的鱼饲料配方,涉及水产饲料加工领域,尤其涉及一种酸 性鱼饲料配方及其加工方法。
study on the crystallization kinetics of phosphate rock acidulated by using mixed acid under the apa function;
其作用机理亦是通过可逆的磷酸化及脱磷酸化作用进行的。
acidulated waster water is treated through the combination method of h2o2 oxidation and active carbon adsorption during the experiment, and the optimal process condition is determined.
实验采用双氧水氧化与活性炭吸附联合作用的方法处理酸化废水,并确定最佳工艺条件。
objective:to evaluate the clinical therapeutic effectiveness of preventing radiation caries by acidulated phosphate fluoride(apfi) gel for patients with nasopharyngeal carcinoma.
目的:对含氟凝胶辅以口腔护理预防鼻咽癌放射龋的临床疗效进行评价。
the phosphate degradation was studied when fused magnesium phosphate, single-super phosphate and partially acidulated phosphate rock were applied in two kinds of soils.
对钙镁磷肥、过磷酸钙和部分酸化磷肥在河南郑州西岗沙土和河南西华县潮土中的退化情况进行了研究。
the system not only can be applied in the treatment of electroplate acidulated sewage but also in the effective measurement and control of acidulated sewage and sewage containing other pe.