您要查找的是不是：
- Minerals or altered minerals such as sericite, biotite and K feldspar in the altered wallrocks are selected to be objects of age determination, and the Ar Ar, K Ar, Rb Sr, U Pb isochron dating methods are adopted. 选用矿石或蚀变围岩中的绢云母、黑云母、钾长石等蚀变矿物作为测年对象 ,采用 Ar- Ar、 K- Ar法或 Rb- Sr等时线法测年在目前的技术条件下是经济可行的 ,关键是要保证被测矿物确为蚀变矿物并且纯度较高。 用 U- Pb法测定矿脉中的水热锆石来确定成矿年龄 ,但如何区分继承锆石和水热锆石尚不成熟。
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- Based on the altered minerals,mineral association and mineral correlation of the Zijinshan copper-gold deposit,the author made an emphatical discussion on the ph... 认为形成这一类型矿床的流体是一种高氧逸度、高硫逸度的中低温酸性流体。
- No one can alter the fact, ex post facto. 没有人能在事后改变事实本身。
- There is a structural alteration to the building. 这座建筑物在这有一处结构上的改变。
- alteration mineralization information 矿化蚀变信息
- The country is poor in minerals. 这个国家矿物不丰富。
- Soft drinks and minerals sold here. 此处出售软饮料和矿泉水。
- A miner's lamp is fixed onto his helmet. 矿灯固定在矿工的头盔上。
- A small alteration, adjustment, or limitation. 更改小小的改变，调正或限制
- Rocks and minerals are inorganic. 岩石和矿物都是无机物。
- This agreement is not susceptible to alteration. 这一协议不容更改。
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- The timetable is subject to alteration. 时刻表有可能更改。
- He's my alter ego, we go everywhere together. 他是我的知己--彼此形影不离。
- She had to alter her clothes after losing weight. 她瘦了以後，衣服也得修改了。
- But nothing can alter the facts. 但任何东西也改变不了这些事实。
- The gold miner staked out his claim. 那位淘金者立桩标出他的地界。
- He sketched the coal miner in a few minutes. 他几分钟就画了一幅那位煤矿工人的素描。
- I think it is dangerous to be a miner. 我认为当矿工是很危险的。
