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At the meantime he brought up"All things by meansof the Dao are united and becameone",thus to ach-ieve the goal one must exprtience both distinction and construction.

在对待“道”和“艺”的关系上,庄子主张“道”“艺”合一,他认为:“道进于艺”,或“道在于艺”。

At the mean time he brought up “ all things by means of the Dao are united and became one", thus to achieve the goal one must experience both distinction and construction.

在对待“道”和“艺”的关系上 ,庄子主张“道”“艺”合一。

It introduces W-Mo-Co-Fe complex alloys metallurgical principle and trial process.

简述了钨钼钴铁复合合金的冶金原理和试验过程,实践证明：该产品完全符合作为高速工具钢等的合金剂,同时由于利用了多矿种原料的特性,为炼钢过程降成本提供了很好的借鉴。

Chemical synthesis methods(condensation polymerization and ring-opening polymerization), structures and properties of poly(lactic acid), especial poly(L-lactic acid) in rencent years are briefly reviewed.

简述了近年来聚乳酸(PLA)尤其是聚左旋乳酸(PLLA)的化学合成方法(缩合聚合和开环聚合)及其结构与性能,并对这类材料的应用和发展作了展望。

In this paper the equilibrium process of closed system and the equilibrium move of opened system in condensation polymerization were investigated.

研究了缩合聚合反应封闭体系的平衡过程和开放体系的平衡移动 ,研究了小分子放出对平衡移动的驱动作用 ,探讨了这种驱动作用的热力学意义 ,提出了自由能守恒的概念 。

The PF resins were prepared by condensation polymerization,and the magnetic PF microspheres are synthesized by codeposition.

运用缩合聚合法制备出PF凝胶,并在此基础上以共沉淀法合成出磁性PF微球。