secondary carbon

Vapor grown secondary carbon nanofiber obtained on the precursor pan & based carbon fiber

气相生长法在炭纤维上生长二次纳米炭纤维

For initiator B , when temperature is less than 180 ℃, MAH first reacts with secondary carbon of EB-block , secondly reacts with tertiary carbon ; when temperature is higher than 180 ℃, the reaction rate of MAH reacted primary , secondary , tertiary carbon are similar .

对引发剂B，在温度低于180℃之前，仲碳原子最易发生接枝反应，其次是叔碳原子，当温度高于180℃后，伯碳原子、仲碳原子和叔碳原子的反应速率差不多。

A Clinical Analysis of 58 Patients with Parkinsonism Syndrome Secondary to Carbon Monoxide Poisoning

CO中毒继发帕金森综合征58例临床分析

Objective To investigate the clinical features of Parkinsonism syndrome secondary to carbon monoxide poisoning and Parkinson 's disease .

目的探讨CO中毒继发帕金森综合征的临床特点，并与原发帕金森病鉴别。

Conclusions Parkinsonism syndrome secondary to carbon monoxide poisoning is a different disease from PD not only in causes , pathogenesis but also in clinical features , imageology and EEG .

结论CO中毒继发帕金森综合征和PD病因发病机制不同，临床表现、影像学和脑电图亦有差异。

The maximum secondary emission coefficient of carbon coated Mo or Hf is about 0.7 ;

钼、铪上复碳后次级发射系数降为δ（max）（？）0.7；