barite lump

Atomic absorption spectrometric determinaton of lead and cadmium in barite using microwave heating and acid extraction;

微波加热酸浸提—原子吸收光谱法测定重晶石中铅镉

Research on anti-radiation concrete whit barite;

重晶石防辐射混凝土的试验研究

Rapid Determination of Barium Sulfate in High Grade Barite;

高品位重晶石BaSO_4的快速测定

It is proposed that the Badawan barite deposit was formed by hydrothermal-reworking process of Himalayan intermediate-acid magmatism based on the sedimentogenic deposit hosted in Upper Ordovician.

宁蒗地区巴打湾重晶石矿床是在上奥陶统沉积型重晶石矿的基础上，由喜山期中酸性岩浆热液活动改造而形成的沉积—热液叠加型矿床。

The ore-bearing baritic rock formed under moderate-low temperature is an im portant hydrothermal sedimentary rock in the Precambrian Youheimu Group of Mianning,Sichuam Province.

四川冕宁前寒武纪重晶石岩的热水沉积特征及其矿床成因意义倪志耀，莫怀毅（成都理工学院，成都６１００５９）（四川地矿局一○九队，四川冕宁６１５６０２）关键词重晶石岩，热水沉积，前寒武纪，四川冕宁热水沉积成岩成矿是近二十年来逐渐认识的一种新。

The ore-bearing baritic rock is an important hydrothermal sedimentary rock belonging to Precambrian Youheimu Group, in Mianning, Sichuan Province.

四川冕宁前寒武纪尤黑木群含矿重晶石岩是一种重要的热水沉积岩，稀土总量较低，分配模式为轻稀土富集型，具明显的铕负异常和弱的铈负异常。

There would be little impact on the setting time of cement if the content of barite powder within 30%.

通过一系列试验系统研究了重晶石粉的掺入对水泥砂浆凝结时间、强度和密度的影响。