例句與造句

1. In the laboratory, niobium pentachloride is often prepared from Nb 2 O 5, the main problem being incomplete reaction to give the oxyhalides.
2. This reduced mixing produces an incomplete reaction, producing a cooler but brighter yellow which is often called the " safety flame " or " luminous flame ".
3. With divergent synthesis of dendrimers, it is extremely important to allow each reaction to proceed to completion; any defects caused by incomplete reaction or intramolecular coupling of new surface amines with unreacted methyl ester surface groups could cause " trailing " generations, stunting further growth for certain branches.
4. Samarium is one of the few lanthanides that form a monoxide, SmO . This lustrous golden-yellow compound was obtained by reducing Sm 2 O 3 with samarium metal at elevated temperature ( 1000 癈 ) and pressure above 50 kbar; lowering the pressure resulted in an incomplete reaction.
5. It's difficult to find incomplete reaction in a sentence. 用incomplete reaction造句挺難的