barite

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。

Geological instruction of barite witherite deposit exploration

GB/T13692-1992重晶石、毒重石矿地质勘探规范

The quartz-barite-calcite stage is main matallogenesis.

其中方解石—石英—重晶石阶段为成矿主要阶段。

The useful ore mineral is barite and the gangue minerals are mainly calcite, clay mineral and quartz et al.

矿石矿物为重晶石，脉石矿物主要有方解石、粘土矿物和石英等。

precipitated barium sulfate and ground barite(pigment)

沉淀硫酸钡和重晶石粉末(染料)

1.15 At least 80 tons Barite should be kept on hand at rig.

平台上必须储备至少80吨的重晶石粉。

Barite for drilling fluids

GB/T5005-1994钻井液用重晶石粉

1.3 The surplus Barite, Bentonite have to be transferred to the supply boat.

把多余的重晶石、般土粉运到拖轮上。

The surplus Barite, Bentonite have to be transferred to the supply boat.

把多余的重晶石、土粉运到拖轮上。

Construction Technology for Mass Concrete with Dense Barite

高密度重晶石大体积混凝土施工技术

Barite is one of the weighting materials. The density is about4.2 S. G.

重晶石粉是加重材料的一种。其密度大约为4.2S.G.

12.1 Barite is one of the weighting materials. The density is about 4.2 S.G.

重晶石粉是加重材料的一种。其密度大约为4.2 S.G.

6.9 Adding 20 tons Barite to raise mud weight of this pit to the 1.20 S.G.

加20吨重晶石将这池泥浆的密度提到1.20 S.G.。

9 Adding 20 tons Barite to raise mud weight of this pit to the 1.20 S.G.

加20吨重晶石将这池泥浆的密度提到1.20S.G.。

The surplus barite, bentonite and cement have to trans-fered to the supply boat.

反多余的重晶石，粘土粉和水泥运到拖轮上。

2.20 Actual Barite consumption will depend on hole condition while drilling.

实际的重晶石用量取决于井下的实际需要。

Preparation and Characteristic of Composite Conductive Powders and Coating with Barite Matrix;

重晶石基复合导电粉末及涂层的制备与表征

Studies on the Properties of Nano-BaSO_4/Polymer Composites;

纳米重晶石/聚合物复合材料的性能研究

Application of baryte concrete in linac equipment room

重晶石混凝土在直线加速器机房中的应用