针对糖水荔枝罐头加工，贮藏中容易出现的褐变现象，通过L9(34)正交实验确定糖水荔枝最优无硫护色剂组合为：0。

For preventing Browning of canned Litchi in Syrup in the processing and storing, the best combination of color fixatives without sulfur selected by L9 (34) orthogonal experiment was 0.

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本文采用正交试验设计法，成功地筛选出聚苯硫醚(PPS)泥浆干燥工艺参数。

This article studied dry process of PPS prepreg which is impregnated with slurry method through the use of orthogonal experiment method.

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本试验采用二次正交旋转组合设计对氮、磷、钾、硫、柠檬酸、油菜素内酯进行分析。

The Quadratic-Orthogonal-Rotation-Combination is used to analysis the effect of Nitrogen, Phosphate, Kainite, Sulphur, Lemon acid and BR in this study.

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本试验采用二次正交旋转组合设计对氮、磷、钾、硫、柠檬酸、油菜素内酯进行分析。

The Quadratic-Orthogonal-Rotation-Combination is used to analysis the effect of Nitrogen, Phosphate, Kainite, Sulphur, Lemon acid and BR in this study.

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