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- Using dolomite and sinter magnesia clinker as a main material and added with alkali metal phosphate binder and additives,amagnesia-calcia coating material has been developed. 采用白云石配以适量的镁砂熟料和磷酸盐结合剂及复合外加剂研制出了具有较好性能的镁钙质中间包涂料。
- Study was made on the chemical removal of phosphorus in membrane bioreactor (MBR),because insoluble metal phosphate is hard to permeate ultrafiltration membrane. 因难溶的金属磷酸盐沉淀很难透过超滤膜,所以在膜生物反应器(MBR)中进行了化学除磷研究。
- There are different degradation mechanisms in different soils and most phosphorus are reserved in form of metal phosphates and hydroxylapatite. 磷肥在不同类型土壤中的退化机理不同,大部分磷以金属磷酸盐和羟基磷灰石的形式储存在土壤中。
- Compositions of the coating material included metal phosphates, phosphoric acid, boric acid, phosphatic modifier and acid-soluble metal-oxide etc. 以多种金属磷酸盐和磷酸作为主料,以硼酸和酸溶性金属氧化物为辅料,再加入少量磷酸盐改性剂,配制成改性磷酸盐涂料。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗?
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。
- The metal basin clattered down the stone stairs. 金属盆子沿着石阶滚了下去,发出咣啷声。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- Hydrothermal synthesis and thermal stability oflayered compound of tetravalent metal phosphate 层状磷酸盐的水热合成及其热稳定性
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- The ship was broken up for scrap metal. 这艘船拆毁了当废铁用。
- Being heated, the metal is rapidly melting. 由于受热,金属在迅速熔化。
- The metal has corroded (away) because of rust. 该金属已锈蚀。
- You need a powerful saw to cut through metal. 切割金属需用强劲的锯。
- The hot metal contracts as it cools (down). 热的金属一冷(下来)就收缩。
- One of several metal strips forming a leaf spring. 簧片构成片簧的几个金属片中的一个
- The metal is fretted with the acid. 金属被酸腐蚀。
