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- It has been found that different amino acids have different ability to form dimeric/trimeric adducts themselves or with alkaline metal ions. 发现不同的氨基酸和不同的碱金属离子具有不同的聚合特点。
- The alkali& alkaline metal oxide will react with SiC at about1300 C and generate silicate, which calls alkali-chemical corrosion, and can influence the glowing of element. 在1300C左右,碱和碱性金属氧化物与碳化硅发生反应,生成硅酸盐,称为碱化学侵蚀,会明显影响元件发热的红热程度。
- The alkali &alkaline metal oxide will react with SiC at about 1300C and generate silicate ,which calls alkali-chemical corrosion,and can influence the glowing of element. 在1300C左右,碱和碱性金属氧化物与碳化硅发生反应,生成硅酸盐,称为碱化学侵蚀,会明显影响元件发热的红热程度。
- The effect of alkaline metal oxides and fluorides on the performances of green leadless fluxing agents for overglaze colors were studied by means of orthogonal experiments. 应用正交试验法,研究了碱金属氧化物及氟化物对环保型无铅釉上彩熔剂性能的影响。
- Through the ionic exchange, the alkaline metal ion of glass surface is placed by other alkaline metal ion in salt melted, enhancing its mechanical strength. 通过离子交换,玻璃表层碱金属离子被熔盐中的其它碱金属离子置换,使机械强度提高的玻璃。
- 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。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- The ore-forming fluid is a kind of ore-bearing fluid full of alkaline metals that originate from magmatic and metamorphic hydrothermal fluid, seawater, water-rock action etc. 成矿流体是富含挥发份、碱金属的含矿卤水,其中碱金属来源于岩浆热液、变质热液、海水及通过水岩作用从岩石中萃取等;而挥发份来源于地幔、水岩作用与有机质分解作用。
- 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