Lanthanum praseodymium - cerium rare earth ( LPC ) was a patent composition.镧镨铈混合稀土 ( LPC ) 是新型专利成分的混合稀土.Among the simplest are the lanthanum compounds of the form La?其中最简单的是la? 研问降娘缁0合物.Description: Lanthanum Nitrate is...
Among the simplest are the lanthanum compounds of the form La?其中最简单的是la? 研问降娘缁0合物.Description: Lanthanum Nitrate is soluble in water and moisture in wet air.说明: 硝酸镧溶于水,在潮湿的空气中易潮解.The extraction mechanism and separation p...
One of the parents was a most obnoxious character. No-one liked him.其中一位家长极为惹人厌，没人喜欢他。He is an obnoxious hick.他是个讨厌的乡巴佬。a thoroughly obnoxious little man可恶至极的家伙...
这个箱子是立方形的.The box was cube - shaped.离子的这种堆砌形成了普通食盐的立方形结晶.The result of this stacking of ions is a cubical crystal of common table salt.烤箱是用做工粗糙的近似立方形的耐火砖做的.The oven was made of a roughly built cube of fire - bricks....