矿尘

人工合成矿尘诱发Wistar大鼠呼吸道肿瘤实验研究

Experimental Studies of Inducing Malignant Lung Tumor on Wistar Rats by Artificial Synthetic Tin Mine Dust

上述结果表明人工合成矿尘1、2、3号对Wistar大鼠有致肺肉瘤效应。

The results showed that the artificial synthetic mine dust ( No.1,2,3 ) was related to the lung sarcoma formation on Wistar rats , which is reported for the first time .

镍矿尘对哺乳动物细胞增殖及DNA损伤的影响

Effects of Nickel Dust on Multiplication of NIH / 3T3 Cell and DNA Damage in Mammal

呼吸道吸入天然钍（ThO2）和稀土矿尘联合作用的研究

Combined effects of thorium dioxide and thorium containing rare earth iron ore dust

结果显示，铀矿尘能刺激AM释放TNF和IL-6，其活性分别为852U/ml，1335U/ml，均高于TiO2对照组。

The results show that uranium-mineral dust can stimulate AM releasing TNF and IL-6 , which are significantly higher than those of TiO2 . The highest levels of TNF and IL-6 are 987 U / ml and 1335 U / ml respectively .

研究结果显示，用毛细管反渗湿润法研究湿润剂对硫化矿矿尘的湿润行为时，反渗时间与反渗长度的关系基本可用Washburn方程描述；

Thus , the results show that Washburn 's equation could be used to describe the relation between the wetting length versus the wetting time when the upward capillary seep approach is applied to investigate the wetting behavior of the agent to the sulfide dust .

铀矿尘诱导的细胞因子对肺成纤维细胞作用的研究

Effect of Cytokine Induced By Uranium-Mineral Dust on Fibroblast in Vitro

我国锡矿尘诱癌实验研究

The Study of Lung Cancer Induced in Rats by Tin Ore Dust

多单元多步骤阶段矿房采矿法防硫化矿尘爆炸措施的探讨

Discussion on Anti-sulfuration Dust Explosion Measurement in Multicell and Multi-process Phase Mining

基于神经网络的矿尘浓度传感器输出特性研究

Study of Mine Dust Density Sensor Output Characteristic Based on Artificial Neutral Network

云锡矿尘及氡子体暴露诱发大鼠肺癌的实验研究

Experimental study on lung cancer induced by exposure of mine dust and radon daughters

矿尘凝聚机理及实验研究

Experimental Study on Cohesion Mechanism of Mine Dust

铜铁矿金属矿尘和癌症的探讨

Study on the relationship between metal ore dust and cancer in copper / iron mines

目的：探讨铀矿尘对肺组织损伤过程中细胞因子的影响，通过三种不同类型茶叶研究饮茶对铀矿尘诱导大鼠肺组织损伤的保护作用。

Objective : To explore the effects on cytokines in lung tissue induced by uranium dust .

钒钛磁铁矿尘对家兔肺泡巨噬细胞毒作用的体外研究

An in Vitro Study on Toxic Effect of Vanadium Titanium Magnetite Dust on Alveolar Macrophage in Rabbits

高硫金属矿井矿尘爆炸防治关键技术及工程应用

Key Technology of Dust Explosion Prevention and Treatment of High Sulfur Metal Mine and its Engineering Applications

湿润剂溶液在硫化矿矿尘中的反向湿润行为研究

Investigation on wetting behavior of wetting agents to dust of sulfide ores by up-ward capillary seepage method

湿润剂与铅锌矿尘耦合试验研究及井下应用

Experimental Study on Coupling of Wetting Agents to Dust of Lead - zinc Ores and Its Application in Underground Mine

低剂量铀矿尘对肺组织的损伤过程中可致肺组织中某些细胞因子含量产生改变。

In lung tissue injury induced by low doses of uranium dust , the levels of some cytokines were increased .

两种云锡矿尘染色体畸变和微核试验

In vitro Cho chromosome aberration test and in vivo micronucleus test of the two kinds of tin mine dust samples

含二氧化钍的稀土混合矿尘体外诱发金黄地鼠胚胎细胞的恶性转化

Studies on the malignant transformation of golden hamster embryo cells induced in vitro by mixed mineral dust contained thorium dioxide

本文采用小鼠腹腔巨噬细胞体外细胞培养法，研究了石膏矿尘对小鼠腹腔巨噬细胞的影响。

The aim of this study is to evaluate the cytotoxicity of gypsum mine dust to mouse peritoneal macrophages in vitro .

含硫化合物是典型的大气污染物，而矿尘气溶胶粒子是大气中化学反应特性最活跃的气溶胶粒子之一。

Sulfur-containing compounds are the major pollutions in the atmosphere , and mineral dust particles are one of the most active components of aerosols .

铀矿开采和选冶的一些工作场所内，铀矿尘、氡子体和放射性气溶胶的浓度十分高。

In some working-place of underground uranium mines and mills , the concentrations of uranium ore dust , radon daughters and radioactive aerosols are very high .

硫酸净化工序污水或稀酸中，不仅含有硫酸和大量的矿尘，而且还含有的砷、氟等有害物质。

Sulfuric acid decontamination process sewage and diluted acid have sulfuric acid , a great deal of mineral dust , harmful material such as arsenic and fluorin .

结果表明各组肺癌诱发率与矿尘中的含砷量并无剂量-反应关系。

The result shows that there is no dose-response relation between the incidence of lung cancer of each group and of the content of arsenic in ore dust .

结论：1.接触低剂量铀矿尘可诱导大鼠肺组织损伤，早期以炎症反应为主，后期可见少量纤维组织增生。

Exposed to low doses of uranium dust can induce lung tissue injuries which are inflammation mainly in early and mild pulmonary interstitial fibrosis in later . 2 .

为此，加强防尘措施，降低环境矿尘浓度，可能对减少该矿肺癌发病具有重要意义。

Therefore , further measures for individual prevention and reduction of mine dust concentration in the air were considered to be necessary for reducing the incidence of lung cancer .

铀矿山和铀工厂既存在普通矿冶工业的危害，又存在放射性危害，如放射性矿尘、氡和氡子体、γ外照射以及表面放射性沾污等。

The main radioactive contaminants in uranium mines are radon and its daughters , while in uranium plants the dust produced in crushing operation is the main source of contamination .

介绍了分形几何的基本概念及分维的测度方法。以磨矿循环、矿尘爆炸为例，分析了分形几何在矿业中的应用前景。

The basic concepts of fractal geometry and measurements of fractal dimension are introduced , and the application prospects of fractals in mining are also analysed taking grinding and explosion for examples .