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- Chemical sand fixation is an important method of desertification control due to its low cost,efficiency and suppleness,for which polymer is the main material. 化学固沙技术是荒漠化治理的一种重要途径,其优点是成本低,施工简便,见效快。高分子材料是化学固沙的主要原料。
- Although mechanical desanding and chemical sand control are adopted in the borehole,there is still a great deal of fine sand deposited in the surface gathering system vessel. 大型储罐内的清砂一般采用停产后人工进罐清除法,工作强度大,环境恶劣,停产时间长,收效低。
- Effects of Sand Priming to Seed Germination and Vigor of Sweet Corn 砂引发对甜玉米种子萌发及活力的影响
- Application of Polymer Materials to Chemical Sand Fixation 高分子材料在化学固沙中的应用
- Lease Test Study of New Chemical Sand Control Technique 化学防砂新工艺的矿场试验研究
- A Review on Chemical Sand Control Methods Used in Jingzhou Oil Fields 锦州油田化学防砂技术综述
- On the Chemical Sand Fixation Agent for Sand Dune Fixation in Desert 对在沙漠地区应用化学固沙剂固沙的探讨
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- sand priming 沙引发
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
- I am not familiar with chemical terms. 我不熟悉化学术语。
- He devoted his life to chemical research. 他一生从事化学研究。
- He is experimenting with a new chemical. 他正在实验一种新的化学制品。