The catalyst is a twisted chair structure and reacts with borane at the N site of the catalyst to form catalyst borane adduct. The formation reaction is exothermic.

催化剂具有扭曲的椅式构型，与硼烷在N原子处配位形成加合物，反应是放热的。

youdao

I don't have anything against plastic, but the sheer volume of it was overwhelming -- from the pack n' play to the stroller, from the high chair to the baby plates and spoons…

我对塑料毫不排斥，但是它的覆盖面太广了，简直势不可挡——从婴儿背包到婴儿手推车，从（小孩吃饭时坐的）高脚椅子到婴儿用的盘子和调羹…

youdao

Zhongshan N&A Hardware Plastic Co. , Ltd. Is A Professional ManufacturerOf Wheelchair, Shower Chair, Commode Chair, Walker, Stick And Other Medical Rehabilitation Products.

中山市诺尔菲五金塑料制品有限公司， 是一家专业生产轮椅、沐浴椅、坐便椅、助行器、拐杖等康复、保健医疗设备的生产厂家。

youdao

He's been busy since January, when he first sat down in the executive chair in Trenton, N.

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And if joysticks just aren't enough for you anymore, Descent 3 can use the Rock'n'Ride gaming chair.

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"Not too long ago, those affected by autism-related disorders were set aside, placed in institutions, or dismissed as untreatable lost cases, " explains Ban Soon-taek, chair of the Forum and wife of U.N.

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