“正压封管”的概念、定义、翻译、参考文献-科学参考

单词	正压封管
释义	正压封管 Encyclopedia 医学正压封管释 positive pressure sealing正压封管输液结束后采用适量封管液将留置静脉针封管，在封管过程中始终保持整个输液管路处于正压状态，以避免血液回流堵塞留置静脉针的方法。用于达到减轻患者重复穿刺的痛苦、减轻护患纠纷、降低医疗护理费用、减轻护士工作负担等目的。
随便看	approximating sequence approximating set approximation approximation accuracy approximation algorithm approximation boundary condition approximation by continued approximation by continued fractions approximation by convex sets approximation by defect approximation by diffusion approximation by excess approximation by function of complex variable approximation by interpolation approximation by least squares approximation by linear operators approximation by operators approximation by periodic transformations approximation by polynomials approximation by rational functions approximation by series approximation by splines approximation error approximation formula approximation function

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。