The effects of explants, concentration of BA and concentration of NAA on regeneration rates of apple were studied using orthogonal design.

采用正交设计法，研究外植体、BA和NAA浓度三因素对苹果不定芽再生频率的影响。

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Effects of NAA, 6-BA, MS culture medium on leaf and petiole callus induction of Changium smyrnioides Wolff were studied by orthogonal design.

采用正交设计方法，研究了NAA、6-BA、MS培养基对明党参叶片与叶柄愈伤组织诱导的影响。

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Optimal concentrations of 6-BA and NAA and their combinations were tested with quadratic regressive orthogonal design for their effect on shoot regeneration of Dianthus caryophyllus L.

以香石竹叶片为外植体，利用二次回归正交设计对其再生体系建立中的关键因素6-BA和NAA的浓度及其组合进行定量优化。

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Moving up the development chain, Tata Consultancy and Infosys have designed and manufactured parts of Boeing (nyse: BA - news - people ) and Airbus aircraft wings in India, and Tata does design and drafting work from China for Canadian aircraftmaker Bombardier.

FORBES: Offshoring The Offshorers

The F-35 contract Lockheed beat out Boeing ( BA) for almost a decade ago is so huge because the government opted to make just one basic aircraft design serve all branches.

FORBES: The F-35 is a Keeper; So is Lockheed Stock