The effects of primary compounds on the property of the potting compound were studied and the optimum technological factors were determined.

讨论了其主要组分对灌封料性能的影响，并确定了最佳工艺条件。

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We keep only a compound primary key and a secondary index for each row, and answer all queries from a single index.

我们只保留了一个组合主键和一个辅助索引来完成所有的查询。

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The heptane compound has a primary purpose as a plasticizer for double base propellant systems.

化合物庚烷的主要用途是作为双基推进剂的增塑剂。

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The drugmakers reported that their bapineuzumab compound failed to meet two primary endpoints and, consequently, they decided to discontinue additional Phase III research planned, although follow-up evaluations and final data analyses will be conducted ( back story).

FORBES: Lilly's Big Alzheimer's Bet: Will It Pay Off?

The companies decided to end the program for developing the compound, called Dimebon, after it failed to meet two primary endpoints in a phase 3 trial studying its use with the existing treatment Aricept in patients with mild-to-moderate Alzheimer's.

WSJ: Medivation, Pfizer Alzheimer's Drug Fails to Meet Study Goals