P had more important effects on corn qualities than K. Compared with CK, long-term N-applying only could improve the corn nutrition, but decrease the flour ash content and starch viscosity.
长期单施氮肥较不施肥的对照（CK）玉米籽粒营养品质有一定的改善，但籽粒粗脂肪含量和淀粉粘度有不同程度的下降。
ConclusionThe effects of various factors on the intrinsic viscosity of N-succinyl-chitosan are less than that of hyaluronic acid under the same experimental conditions.
结论在相同的实验条件下，N -琥珀酰壳聚糖的特性黏度受多种因素的影响小于玻璃酸。
The results showed that mass mean diameter (MMD), and drop size distribution parameter N changed with pressure drop, air velocity, and fuel viscosity.
结果表明，液雾的质量中间直径（MMD）和尺寸分布参数N将随着喷嘴压力降、空气流速、燃油性质而变化；
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