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- Further more,formylization and cyclization reaction are separately carried out in two tanks to avoid corrosion of acid and alkali for equipments. 同时,将酰化反应和闭环反应分罐进行,避免酸碱物料对设备的腐蚀。
- corrosion of acid and alkali 酸碱腐蚀
- Acid and alkali are the basic concept of chemistry. 酸和碱是化学的基本概念。
- The organic matter content of soil is relative with the buffer action of acid and alkali of soil. 此外,土壤有机质含量的高低与其对酸碱的缓冲能力成相关。
- Based on the basic principle of acid and alkali in this article, acid and alkali of environment outside synthesized aminobenzene sulfonate high performancing water-reducing was analysized. 本文分析了氨基苯磺酸高效减水剂合成环境中酸碱性影响,运用重量实验和红外光谱的方法,研究证实了氨基苯磺酸高效减水剂的合成反应机理。
- The effect of the concentration of acid and alkali, the reacting temperareture and time, the ratio-raw marterials and the oxido-reduction conditions etc. on the product quality and yield were studied. 同时,对制备过程中酸、碱的浓度、反应温度和时间,配料比以及氧化还原的条件等对产品质量和收率的影响进行了研究。
- It introduced the hest technological proeess for rare earth extraction separation that occupres a dominat position on the consumption of acid and alkali,the whole volume of extraction installation. 介绍了在酸碱消耗、存槽有机(稀土)方面都具有优势的南方离子矿和氯化稀土分离最优化稀土流程。
- An experiment was conducted to study the effects of acid and alkali on paulownia wood color.The protection of weak base solution against discoloration of paulownia wood was also analysed. 摘要对酸碱度影响泡桐木材色泽进行了研究,并对弱碱溶液防止泡桐木材变色的作用做了试验与分析。
- The acid and alkali are combined into salt. 酸与碱化合成盐。
- He took a lot of acid and really freaked out. 他服用了大量的麻醉药,真的失去控制了。
- The acid and alkali are combined in salt. 酸与碱化合成盐。
- The product treatment of ammonia,chlorine,resin. Can withstand the corrosion of acid, alkali salt ammonic, chlorine, the anti-corrosion class is F2. 本系列产品抗强酸、强碱、盐、海水、氯离子腐蚀,防腐等级为F2。
- high concentration of acid and alkali waste water 表面加工废水处理工艺
- the ionization theory of acid and alkali 酸碱电离理论
- the proton theory of acid and alkali 酸碱质子理论
- CORROSION OF ACID AND CAUSTIC SYSTEM IN DESALTED WATER STATION AND PROTECTION 除盐水站酸、碱系统的腐蚀与防护
- EXPERIENCE WITH MEBO IN TREATING 29 CASES OF ACID AND ALKALI BURNS 湿润烧伤膏治疗酸、碱灼伤29例体会
- Libra's cell salt is sodium phosphate, which equalizes the balance of acids and alkalis in the body and rids the body of waste material. 对天秤座最重要的矿物质是磷酸钠,可以调节酸和碱在身体的平衡并能赶走体内不需要的废料。
- Wear and tear or corrosion of the ship. 船舶自然磨损或者锈蚀。
- Effects of Acid and Alkali on Discoloration Prevention of Paulownia Wood 酸碱对防止泡桐木材变色的影响