HPLC; food package materials; primary aromatic amines; migration.

高效液相色谱；食品包装；初级芳香胺；迁移。

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To meet the needs of the electronic package materials, the thermal properties of the composites were analyzed.

适应电子封装选材的应用背景，对复合材料进行了热学性能分析。

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Account of package materials of MEMS, including ceramics, plastic, metal material and metal compound material, etc was given.

本研究综述了MEMS的封装材料，包括陶瓷、塑料、金属材料和金属基复合材料等。

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Participants are instructed in how to identify potential case examples, summarize their key points and package them as student-ready materials that can be introduced into classes.

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"The materials contained in that package include communications from Mr. Holmes to Dr. Fenton that Mr. Holmes asserts are privileged, " said the document filed by public defenders representing Holmes.

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The easy-to-use Form software (compatible with any 3D CAD package), custom-formulated printing materials, and Form Finish post-processing kit complement the beautifully simple printer to make desktop 3D printing as easy as pushing a button.

ENGADGET: FORM 1 delivers high-end 3D printing for an affordable price, meets Kickstarter goal in 1 day