A prominent M + 2 H peak in EI spectra is a very rare phenomenon.

EI源出现M+2H峰是很罕见的现象.

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The TPC solution is stable within 2 h at roomtemperature.

TPC溶液室温下放置2h稳定.

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The active ingredient of α - pyrone 0.2 % wettable powder is 5,6 - dihydro - 6 - pentyl - 2 H - pyran - 2 - one.

0.2%α - 吡喃酮WP的 有效成分为5, 6- 二氢-6-戊基-2H-吡喃 -2- 酮(5, 6-dihydro-6-pentyl-2H-pyran-2-one ).

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It was stable in 0～60℃, pH 4~10.5 respectiv ely.

在pH4～10.5范围内保持稳定, 而在0～60℃范围内保温2h, 该酶仍能保持80%以上的活力.

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ChB could still retain over 90 % activity after two hours at 55 ℃.

ChB在55℃以下保温2h仍能够保持90%以上的活性.

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Selected area electron diffraction ( SAED ) illustrates that its crystal structure is 2 H type graphite.

电子衍射数据分析表明其结构为2H多型石墨.

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After calcination at 500℃ for 2 h, 0.5 % ( in mole percent ) Pr 3 + - TiO 2 powders show that the nanocrystalline TiO 2 with anatase phase.

样品经500℃焙烧2h后, 0.5% ( 摩尔分数,下同 ) Pr3+-TiO2纳米粉末为单一的锐钛型结构.

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Results 1. The plasma levels of FPG 、 PPG 、 TC in MAU group were higher than the NC ( P & lt; 0.01 ).

结果MAU组空腹血糖(FPG)、餐后2h血糖(PPG)、总胆固醇(TC ) 高于NC ( P & lt; 0.01).

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The results show that the equipment can kill all the storage pests successfully in 2 h.

结果表明,ZXX-65真空循环熏蒸设备可以在2h内杀死各种仓储害虫.

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CINC mRNA expression in lung tissue was rapidly increased after 2 h of the challenge ( P < 0.001 ).

正常肺组织中有微量CINCmR-NA表达,给药2h后迅速上升,至6h时 其表达进一步增强 ( P<0.001 ).

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Hardness ≥2 H , good Scratch - resistant ; Used for surface protection of panel and touching screen.

硬度≥2H, 抗 划伤性好; 用于仪表盘,触摸屏的表面保护.

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