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- Preparation of zinc oxide direct by hydrometallurgical process from lower grade zinc ore were explored. The technical cruxes are maceration rate and purification. 探索了利用低品位含锌原料采用湿法直接制取氧化锌产品，技术关键是提高浸出率和净化除杂。
- The Research of Bioleaching Low Grade Secondary Copper Sulphide Ore 低品位次生硫化铜矿的细菌浸出研究
- Test Research on Biological Leaching for a Low Grade Copper and Nickel Sulphide Ore in Yunnan 云南某低品位硫化铜镍矿细菌浸出试验研究
- Study on the Nutrition Factors of Affect the Bacteria Leaching in Low Grade Sulphide Ore 低品位硫化矿石细菌浸出的营养因素研究
- low grade zinc oxide ore 低品位氧化锌矿
- low-grade zinc sulphide ore 低品位硫化锌矿
- A low number; a low grade of oil. 一个小的数; 低级油
- John is down on his teacher because she gave him a low grade. 约翰恨他的导师，因为她给他打了低分。
- My son mucked up the car engine by using cheap, low grade gasoline. 我的儿子使用便宜的低级汽油,汽车引擎损坏了。
- Low grades are getting Hellen down. 低分数使海伦闷闷不乐。
- It will become to white zinc sulphide after absorbing sulfide in air to be poor at primary stainability. 它能与大气中的硫化物合成白色硫化锌而抑制初期着色。
- The research is mainly exploring that how to recover the accompanying low grade scheelite from the tailings of sulphide. 本试验研究主要是寻求如何从硫化物的尾矿中回收伴生的低品位白钨矿。
- Low grades are get ting Helen down. 考分很低使海纶闷闷不乐。
- The invention refers to an extraction method of zinc, lead in protogenesis lead and zinc sulphide. 本发明涉及原生铅锌硫化矿中锌、铅的浸出方法。
- complicated sulphide ore bearing copper and zinc 复杂铜锌硫化矿石
- He is a bit let down by the low grade he got. 这次成绩不好, 他有点气馁。
- It is often associated with polymetallic zinc sulphide ores and mainly enriched into zinc sulfide concentrates after beneficiation. 铟是我国的一种优势稀散金属,常与硫化锌多金属矿伴生,经过选矿后,铟主要富集于硫化锌精矿中。
- It's a mid scale and its ore belongs to low grade structural altereds tyle, limonite, pyrite are mainly gold carriers. 矿石以低品位构造蚀变岩型为主,褐铁矿、铁矿是主要的载金矿物。
- By means of distillation-fractional condensation high purity antimony trichloride was made from antimony sulphide ore. 用蒸馏-多级冷凝法从锑矿石制取高纯度三氯化锑。
- China's imports from India more Goa India from low grade iron ore, rather than high-grade iron ore. 中国从印度进口的更多的是产自印度Goa的品位较低的铁矿石，而不是高品位铁矿石。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
