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- Betacallis querciphagan. 栎桦斑蚜
- The results show that catalytic efficiency of the phase transfer catalyst BETAC is higher than TBAB,and TBAB is nearly as efficient as TEBA. 实验结果表明:本体系中相转移催化剂的催化效率是苄基三乙基氯化铵大于四丁基溴化铵和四乙基溴化铵;
- Betacallis luminiferusn. 光皮桦斑蚜
- Betacallis alnicolensn. 桤木桦斑蚜
- Betacallis prunicolan. 四川桦斑蚜
- Betacallisn. 桦斑蚜属
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries