1) low grade scheelite
低品位白钨矿
1.
The new technology of producing ammonium paratungstate and the results of treating low grade scheelite with high phosphor and molybdenum content are introduced.
简单介绍了第三代仲钨酸铵生产工艺和处理高磷、高钼低品位白钨矿的实验结果。
2) low grade wolfram
低品位钨矿
4) low grade ore
低品位矿
1.
This paper analyzes the utilization problem of low grade ore with many uses.
应用机会成本的原理分析了具有多用途低品位矿的最优利用问题,同时应用成本收益比较法,建立了多用途低品位矿利用的临界品位的经济分析模型,并给出了一个应用案例。
5) low-grade manganese ore
低品位锰矿
1.
Lab-scale simultaneous acid pressure leaching of sphalerite concentrate and silver-bearing low-grade manganese ore was performed under various conditions to investigate leaching variables,such as leaching temperature,leaching duration,oxygen partial pressure and stirring rate.
进行了硫化锌和含银低品位锰矿联合氧压酸浸的小型试验,以考察影响浸出的各种因素,诸如浸出温度、浸出时间、氧分压和搅拌速度。
6) low-grade phosphate ore
低品位磷矿
1.
The low-grade phosphate ores with high impurities of sesquioxide were digested in phosphoric acid and nitric acid.
采用正交实验,研究了高倍半氧化物含量的中低品位磷矿在磷酸与硝酸混酸中的酸解行为,并确定了实验室最佳工艺条件:反应温度65℃,液固比14∶1,磷酸浓度(P2O5)20%,硝酸浓度9。
2.
t) that can be used effectively in the leaching of low-grade phosphate ore was isolated from acid mine drainage from a coal mine in Anhui.
从安徽某煤矿的酸性矿坑水中分离出能有效浸出低品位磷矿的氧化硫硫杆菌菌株,对其形态特征和培养特性进行了初步的研究,并通过研究不同固体培养基成分对氧化硫硫杆菌分离纯化的影响,确定了适宜的分离条件:采用双层平板,即上层为涂布氧化硫硫杆菌的Starkey固体培养基平板,下层为涂布异养菌(红酵母菌)的琼脂平板,可显著提高菌落密度并缩短检出时间。
3.
A strain of Acidithiobacillus thiooxidans(At t) isolated from a sulfur-containing hot spring in Guangxi was used to leach low-grade phosphate ore after being purified and cultivated.
从广西某含硫温泉中分离得到了嗜酸氧化硫硫杆菌菌株,经分离纯化与初步培养后进行浸出低品位磷矿实验。
补充资料：低品
1.犹言下等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条