The article presents a statistical analysis of the temporary emigration of Poles abroad in the years 2004-2015 using for this purpose data from the Central Statistical Office (2017). The statistical method for correlation analysis, basic descriptive statistics as well as statistical inference elements ...
自营 源叶 肝素钠 9041-08-1 BR S12004-1g 平台价: ¥70.00 市场价: ¥70 纯度 BR 货期 3-5个工作日 CAS号 9041-08-1 分子式 分子量 MDL号 货号 S12004-1g 型号 产地 规格 1g5g25g100g 数量 支付方式线上支付/线下支付 敏感偏远地区(云南、新疆、西藏、内蒙古、青海、海南、宁夏)不支持交易 ...