The results show that microstructure and mechanical properties of the BTi-62421S alloy can be significantly improved by heat deformation.

结果表明，热变形能明显优化合金的组织和力学性能。

youdao

But the short residual effect of common Bti formulations limited the larger scale application in the field and brought up the inconvenience in. the transportation and storage as well.

但由于现有剂型持效期短，限制了更大规模的应用，也给储存运输带来麻烦。

youdao

After decades of study, BTI has been shown to affect almost exclusively black flies.

NPR: Waging a One-Woman War Against Black Flies

Andrea uses that current to feed them a bacteria called BTI.

NPR: Waging a One-Woman War Against Black Flies

Disclosure: I am a long term trader or investor in not only Altria (MO), but also Philip Morris International (PM), British American Tobacco (BTI) and Reynolds (RAI).

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