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- Application of Ester Cured Alkali Phenol Resin Sand in Large Steel Castings 酯硬化碱性酚醛树脂砂在大型铸钢件上的应用
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- alkali phenolate 碱金属的酚盐
- Cyclization occurs readily with dilute alkali. 遇到稀碱就容易环化。
- The acid and alkali are combined into salt. 酸与碱化合成盐。
- Of, relating to, or containing an alkali. 碱的与碱有关的或含碱的
- The real rate of removing phenol is more than99.9%. 与常见的塔设备相比具有设备简单、作灵活,维护方便等特点。
- The key problem is to overcome alkali in the soil. 关键在于控制土壤里的碱分。
- Are using lime as the cheapest alkali. 最廉价的碱。
- This kind of soil containsmuch alkali. 这种土壤含碱丰富。
- Effect of Saline Alkali Soil Stress on Zea mays L. 土壤的盐碱化对玉米的胁迫作用。
- The acid and alkali are combined in salt. 酸与碱化合成盐。
- Acid and alkali are the basic concept of chemistry. 酸和碱是化学的基本概念。
- But urushiol has a poor resistance to alkali because phenol hydroxyl of urushiol shows weak acidity. 但是,由于漆酚的酚羟基显弱酸性,使得漆酚耐碱性较差;
- An alkali or ionised cleaning or emulsified agent. 一种碱或表面活性剂。
- The soil transformed from acid to alkali. 土壤由弱碱性向弱酸性演替;
- KMV method can test wool acid, alkali injury. KMV法可测试羊毛的酸、碱损伤程度;
- Alkali soil is suitable for this kind of crop. 卤质土壤适合这种作物生长。
- Percarbonate,inorganic alkali and auxiliary. 过碳酸盐、无机碱、助剂。
- Of, relating to, containing, or derived from phenol. 苯酚的苯酚的,有关苯酚的,含有苯酚的,或从苯酚中提炼的