Modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate.
利用接枝共聚和磺烷基化的方法对落叶松单宁改性。
| 单词 | penetration rate |
| 例句 |
英语例句库
Modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate. 利用接枝共聚和磺烷基化的方法对落叶松单宁改性。 声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
原声例句
中高级英语短文 China currently has more than 1 billion internet users, with a 73% online penetration rate. 中国有超十亿网民，互联网普及率达73%。 中级英语短文 This brings China's internet penetration rate to 76.4 percent, which is 10 percentage points higher than the world average in 2022. 这使得中国的互联网普及率达到 76.4%，比 2022 年的世界平均水平高出 10 个百分点。 中级英语短文 Last year, China had 1.032 billion netizens, with an internet penetration rate of 73 percent, while the proportion of mobile internet users reached 99.7 percent. 去年，中国网民 10.32 亿，互联网普及率为 73%，使用手机上网的网民比例达到 99.7%。 金融时报 One obvious reason is because Toyota thought Japan is not mature enough to sell EVs as its penetration rate is only 1 per cent of new car sales. 一个显而易见的原因是，丰田认为日本还不够成熟，不足以销售电动汽车，因为日本的电动汽车仅占新车销量的 1%。 中高级英语短文 The construction of internet infrastructure in rural areas has also improved, with all administrative villages obtaining broadband access, pushing internet penetration rate in rural areas up 1.2 percentage points from December 2021 to 58.8 percent. 农村互联网基础设施建设也有所改善，所有行政村都实现了宽带接入，推动农村互联网普及率提高到到 58.8%，较 2021 年 12 月提升 1.2 个百分点。 |
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