When used as degradable agricultural film, the SP film had the same heat retention as PE film, and good self—degradability, could be degraded within 3~6 months.
该膜作为降解地膜使用时具有与PE膜相似的保温性能，其自降解性能良好，在3～6月膜能全部降解。
2
Methods Immunohistochemistry SP method and silver-staining technique were used to examine oral tumors, including 40 malignant tumors, 6 borderline tumors and 44 benign tumors.
方法采用免疫组化SP方法及银染技术对40例口腔恶性肿瘤、6例交界性肿瘤及44例良性病变进行检测。
3
To study the immune-regulatory effects of spirulina polysaccharide sp on mice, the different dosage of spirulina polysaccharide 6.