present invention的意思|示意

The present invention relates to the field of metal material chemical analysis.

本发明涉及金属材料化学分析领域.

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The present invention discloses composite scale and corrosion inhibitor and its preparation.

本发明公开了一种绿色环保复合型阻垢缓蚀剂及其应用.

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The present invention relates to the field of fish culture.

本发明属于鱼类养殖技术领域,涉及一种大鲵(娃娃鱼)高效催产剂.

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The present invention relates preparation process of vulcanized catalyst.

本发明涉及一种硫化型催化剂的制备方法.

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The present invention belongs to the field of radiation detection technology.

一种辐射成像阵列固体探测器,属于辐射检测技术领域.

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The present invention relates to aromatic polyimide and its preparation and use.

本发明涉及一种芳香族聚酰亚胺及其制备方法和用途.

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