This paper introduces the present development of polyactic and its, spinning processing and application of polyactic fibers and the biodegradation.

文中介绍了聚乳酸及其纤维的开发现状、聚乳酸纤维的纺织加工和应用及聚乳酸纤维的生物降解。

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The key technical conditions for the design of shaped spinneret plates and the influence of various spinning conditions on fiber modification ratio during the shaped fiber development are discussed.

论述了异形喷丝板设计的技术关键条件和异形纤维开发中各种纺丝条件对纤维异形度的影响。

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Performance, spinning technology circulation, parameters choice of each process, technology measures and development direction of conduct wet polyester fibers were introduced.

介绍了导湿涤纶纤维的性能、纺纱工艺流程、各工序的工艺参数选择、技术措施、质量指标及今后的开发方向。

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The Moon's steady gravitational influence keeps the Earth spinning at the right speed and angle to provide the sort of stability necessary for the long and successful development of life.

FORBES: A Short History Of Nearly Everything

" Even the barren Moon is essential: "Without the Moon's steadying influence, the Earth would wobble like a dying top.... The Moon's steady gravitational influence keeps the Earth spinning at the right speed and angle to provide the sort of stability necessary for the long and successful development of life.

FORBES: Fact & Comment