1·Cattle manure and calcium superphosphate were main polluting material.
牛粪、过钙是基质中主要镉污染物质。
2·The mechanism was Studed by m SPectroscopy that paper making Waste Water and phosphatic manure Waste Water control calcium Superphosphate moisture.
用红外光谱法探讨造纸与磷肥废液调控普钙水分的机理。
3·In this paper, quick determination of the content of the effective phosphorus in the new calcium superphosphate by means of potentiometric titration has been researched.
研究了用电位滴定法快速测定新鲜过磷酸钙磷肥中有效磷含量的方法。
4·According to soil fertility and soil structure in the loess plateau, the experiment of fertilizer amount was carried out with ammonium nitrate and calcium superphosphate.
根据黄土丘陵区土壤肥力特点及土体结构，选用硝酸铵和过磷酸钙作为试验肥料，进行了不同施肥量试验。
5·Through a series of laboratory and small pilot scale continuous experiments, the feasibility of urea - calcium superphosphate production with Yichang phosphorous ore has been proved.
通过一系列的实验室试验和小型中间连续试验，明确了宜昌磷矿制尿素过磷酸钙的可行性。
6·Sulfuric acid, phosphoric acid, aluminum sulphate, calcium sulphate, calcium chloride and superphosphate were selected as chemical amendments for co-composting of pig manure and straw.
采用堆肥池，以硫酸、磷酸、硫酸铝、硫酸钙、氯化钙、过磷酸钙作为化学改良剂，研究了化学改良剂对稻草猪粪堆肥氨气挥发累积规律和腐熟进程的影响。
7·It could be expected that nucleoprotamine modified calcium phosphate could be a better transfect agent as compared to coprecipitated superphosphate.
本研究认为鱼精蛋白改性磷酸钙是一种比共沉淀法合成磷酸钙更好的转染载体。