Based on practice, the influence of water quality, yarn quality and process operation on the quality of reactive dyeing for cotton yarn is analyzed and the solutions are found out in details.
结合本厂实际，分析水质、纱线质量和工艺操作等对棉纱活性染料染色质量的影响，并提出具体解决办法。
And the practice shows that the operation according to the technique can improve the quality of the steel water and shorten the steelmaking time.
实践表明，按其工艺操作对提高钢水质量和缩短炼钢时间有明显的效果。
The improvement of ground irrigation techniques is a key problem for the irrigated area to increase the quality of irrigating water and practice rated water consumption.
改进地面灌水技术，是灌区提高灌水质量、实行定额用水的关键问题。
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