7. At the same time the corresponding measures to dissolution of gypsum and erodent character to the concrete in the hydro-engineering are put forward.
同时针对水利工程中石膏溶蚀以及对砼的腐蚀性提出了相应的防治措施。
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8. Carbon dioxide is a species of weak acidic gas, it is a erodent in oil and gas industries, its content in natural gas may vary from trace to more than 0%.
9. Carbon dioxide is a species of weak acidic gas, it is a erodent in oil and gas industries, its content in natural gas may vary from trace to more than 50%.
10. Mtehods: 56 cases of vitiligo were treated by taking capsule "Hei-Shen" and applying external applications of caustic erodent of high-activity and Chinese drugs.
方法:用黑神胶囊内服结合局部外用高活性化学腐蚀药及中药搽剂治疗56例。
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11. Three types of slope breaks developed during the depression period from the Qingshankou to Nenjiang Formations based on the present research: erodent, sedimentary and structural.
12. Three types of slope breaks developed during the depression period from the Qingshankou to Nenjiang Formations based on the present research: erodent, sedimentary and structural.