| 1. | The water in natural steam fields is normally contaminated by salts, acide, and lyes .
天然蒸气田里的水通常都含有盐类，酸类和碱。 |
| 2. | In general ionic polymerization can be initiated through acidic or basic compounds .
一般来讲，离子型聚合可以被酸类或碱类化合物所引发。 |
| 3. | aggressive corrosion of well casing and heat exchangers can be caused by , hcl, , and other acids.
井孔套管和热交换器的侵蚀性腐蚀是H2S，HCL，H2SO4和其他酸类引起的。 |
| 4. | Some acids burn holes in wood and cloth
有些酸类会在木和布上烧出洞来。 |
| 5. | Studies on cinnamic acids in artemisia sacrorum ledeb
万年蒿中肉桂酸类化合物的提取与分离 |
| 6. | Preparation of the humic acid water purfier
新型腐植酸类净水剂的研制 |
| 7. | Synthesis of n - acylglycine surfactants
酰基甘氨酸类表面活性剂的合成 |
| 8. | Treatment technology of phenolic acid organic chemical industrial wastewater
酚酸类有机化工废水处理技术 |
| 9. | Do not load near infl ammarles oxidzers and explosives
装载时不能同易燃品氧化物和爆炸品靠近用于酸类和腐蚀性物品 |
| 10. | Study on the structure and activity of new phenolic acid compounds from erigeron breviscapus
灯盏花中新的酚酸类化合物的结构及活性研究 |
