1.
Study of Dissolved Law of Nutrition Element in Potassium-calcium Fertilizer;
钾钙肥中营养元素溶出行为规律研究
2.
Study of Slow-Release Properties of Silicon Oxide in Potash-Calcium Fertilizers(Part Ⅱ)
钾钙肥中氧化硅的缓释性研究(二)
3.
Study of Slow-Release Properties of Silicon Oxide in Potash-Calcium Fertilizers(PartⅠ)
钾钙肥中氧化硅的缓释性研究(一)
4.
Discussing Effective CaO Indicator in Potassium and Calcium Fertilizer Measured by Complex Titration Method
络合滴定法测定钾钙肥中有效CaO指示剂的探讨
5.
Influence of decalcium on potassium loss in production of nitric phophate
硝酸磷肥生产除钙过程中钾携带问题研究
6.
Process Research for Producing KH_2PO_4 with Fertilizer CaHPO_4 and KCL;
肥料磷酸氢钙和氯化钾生产磷酸二氢钾的工艺研究
7.
Study on Preparation of Compound Fertilizer with Urea(Ammonium Bicarbonate)-Superphosphate-Potassium Chloride
尿素(碳铵)—过磷酸钙—氯化钾系列复混肥制备工艺研究
8.
By using plot experiment, the paper studied nutritional effects of N P K fertilizers and the effect on seasonal changes in concentrations of N P K and their distribution patterns on sugarbeet.
研究了淋溶黑钙土土壤施用氮磷钾肥对甜菜体内氮磷钾浓度的变化和分布模式的效应。
9.
3.The Potash project in Qinghai
（三）青海钾肥工程
10.
Determination of Calcium Content in Calcium Tablet with Potassium Permanganate Titration
高锰酸钾滴定法测定钙片中钙的含量
11.
Determination of Calcium in Calcium Tablet by Permanganate Titration
高锰酸钾滴定法测定钙片中的钙含量
12.
Quick-acting Potassium Status of Farmland in Ankeng and Effects of Adding Potassium
安康耕地土壤速效钾现状与钾肥效应
13.
(2) It was foundation of improving the soil PK nutrient to applying the PK fertilizer.
(2)施用磷肥和钾肥是提高土壤磷钾养分的基础。
14.
The Status of Nutrients and Effect of Potassium Fertilizer of Orchard in Shaanxi Province;
陕西省果园养分状况和钾肥肥效研究
15.
Study on the Effects of Balanced Fertilization and Application of Potassium Fertilizer on Sweet Potato
甘薯平衡施肥与施用钾肥效果的研究
16.
Effects of the Phosphorus、Potassium Cooperated with Calcium on Calcium Absorption of Tomato in Greenhouse;
磷、钾与钙配合对保护地番茄钙吸收影响的研究
17.
calcium nitrate fertilizer (minxture of calacium nitrate and ammonium nitrate)
硝酸钙肥料（硝酸钙、铵的混合物）
18.
A Type of Calcium Tonic for Fat Persons
一种适合肥胖人用的补钙剂——丙酮酸钙