提高产量和品质目前人们主要是从品种改良和增施磷、钾及微量元素、选择适当刈割期等方面入手。
Presently, variety improvement, increment in P, K and microelement and selection on suitable cutting period are main methods to improve yield and quality.
钛酸钾晶须用弹性体表面改性后实现了对尼龙66的有效增韧。
Nylon 66 was effectively toughened with potassium titanate whiskers which were surface modified with an elastic epoxy resin.
结果表明，钛酸钾晶须和POE并用能对PP产生良好的增强增韧作用，使研制的改性PP在工程领域具有实际应用价值。
The results showed that potassium titanate whisker and POE had good toughening and reinforcing actions on PP. The modified PP had use value in engineering f…
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