为建立用ICP -AES 技术分析测定硼铁的方法开展了试验研究.Tests were studied to make an approach to ferroboron by ICP - AES technology.高硼铁 基合金 是一种新型 耐磨 材料.High boron iron - based alloy ( HBIA ) is a kind of new wear - resistant material.氢氧化钠容量法测定...
This is a significant force in a renascent economy and create a large number of employment opportunities.这是复兴经济和创造就业机会的一股重要力量。All renascent oxygen is consumed for oxidizing metal anode to form metal oxide film.当形成足够厚的氧化膜...