Objective To establish a HPLC method for determining the contents of isoniazid and its impurity in isoniazid Tablets.
目的建立测定异烟肼片剂中异烟肼及其杂质含量的高效液相色谱(hplc)法。
The physical properties of wheat grain bulk with different impurity types and contents were analyzed.
对含有不同杂质类型和含量的小麦粮堆物理特性指标进行了测定。
In this paper, the effect of the contents of the impurity elements such as oxygen, iron, nitrogen in TC11 titanium alloy on the performance of aircraft engine disk by isothermal forging was analysed.
分析了TC 11钛合金中氧、铁、氮等杂质元素含量对应用等温锻造工艺生产的航空发动机盘件的性能影响。
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