自然铜

中国自然铜矿化类型、特点及形成机理浅析

Types , characteristics and ore-forming mechanisms of native copper deposits in China

考古学意义的北美自然铜地球化学示踪研究

Geochemical Analyses of Native Copper in North America : Implication for Archaeological Provenance Studies

氟化钠、自然铜维生素C成骨效果的实验研究

Quantitative Measurment of Effect of NaF Natural-Cu . Vitamin C on Bone Formation in Rabbits

流体包裹体组成的激光拉曼测定结果表明，流体中CH4含量较高，表明成矿体系富含甲烷，有利于氧化铜还原为自然铜的反应。

Raman laser spectroscopic analysis showed that there is high methane content in liquid fluid inclusions , which is benefit to the reduction of copper oxide to natural copper .

自然铜炮制前后微量元素含量变化研究

Study on Changes of Microelement Content in Crude and Calcined Pyritum

自然铜、铜合金矿物及其矿床形成机理新探索

A new approach to genetic mechanism for copper and its alloy minerals

描述了自然铜、铜合金矿物及其矿床形成的新机制。

A new genetic mechanism for copper and its alloy minerals is put forward .

中药自然铜低频超声透入给药促进骨折愈合的实验研究

Experimental Investigation on Chinese Medicine Pyritum with Low Frequency Ultrasound Treatment for Heal Fracture

自然铜矿物大密度与延展性对选矿生产检测的影响

The Influence of Extensibility and Big Density of Natural Copper Ore on Ore-dressing Detection

在流体运移过程中，热冷两种流体混合，发生了冷却作用和水岩反应，为低硫的含铜流体沉淀自然铜提供了必需的还原环境。

Mixing of hot fluid with cold fluid was responsible for precipitation of native copper .

含锡自然铜研究

A Study on Stanniferous Native Copper

团块浸染状自然铜矿化；

The conglomeration native coppers mineralization ;

自然铜抗真菌活性的实验研究

Experiments on Antifungal Activity of Pyritum

自然铜中砷含量的研究

Arsenic Contents in Native Copper

热液组成的不同控制自然铜、氧化铜和铜硫化物的形成。

Hydrothermal fluids of different compositions controlled the formation of native copper , copper oxides and copper sulfides .

对11种煅品、生品自然铜中砷含量进行了测定和比较。

Determination and comparison of arsenic contents in 11 samples of calcinated and pig native copper have been conducted .

自然铜对家兔骨折后骨痂中胶原、钙、磷等的影响

Effect of Copper Pyrites on Fracture Callus in Rabbits with Special Reference to the Content of Collagen , Calcium and Phosphorus

目的考察自然铜炮制前后微量元素的含量变化，以探讨自然铜炮制机理。

Objective To investigate the changes of microelement in curde and calcined pyritum , and approach the process mechanism of pyritum .

矿石矿物主要为自然铜及其表生氧化产物黑铜矿、赤铜矿、孔雀石等；

Copper minerals mainly include native copper and its oxides such as cuprite , tenorite and malachite together with a littlechalcocite .

滇黔边界大规模的自然铜矿化与超大型基韦诺铜矿（储量5000万吨）有很大的相似性。

Large-scale native copper mineralization in the border areas between Yunnan and Guizhou are quite similar to the giant Keweenawan copper deposit ( 5000 t ) .

目的：建立多维共有峰率和变异峰率双指标序列远红外指纹图谱分析自然铜。

Objective : To set up the dual-indexes sequence analytical method for far-infrared fingerprint in which the dual indexes are common peak ratio and variant ration .

方法采用矿相显微镜、电子探针微区分析技术对自然铜不同炮制品的微结构、形貌、物相和化学成分进行分析。

Methods To analyse the changes of microstructure , morphology , mineral phase , and chemical compositions in different PP by ore microscope , electron probe microanalyzer technique .

矿物中药自然铜的组成与热稳定性研究结果部分药物在全营养混合液中理化性质稳定，而另部分药物不稳定。

Composition and Thermal Stability of the Mineral Traditional Chinese Medicine Pyrite ( Zirantong ) Results Some drugs were stable in total nutrient admixture and the other neither .

用有机岩石学和有机地球化学方法研究了铜矿中有机质的类型、特征及其与自然铜矿化的关系。

The organic type , characteristic and its relationship with copper mineralization in the Keweenaw-like-type copper ore deposit , Yunnan & Guzhou boundary , were investigated using organic petrology and organic geochemistry methods .

自然铜的矿化类型主要有岩浆岩型、砂岩型等，部分与有机质共生或产在氧化带，产出环境为低温、弱碱性还原环境。

Native copper was formed in lower temperature and feebleness redox conditions , hosted by flood basalts , sandstone , intermediate-acid magmatic rocks or oxidation zone , and some occur with organic matter .

把原状铜渣（自然级配的铜渣）加工成中、细砂，可在建筑工程中广泛应用。

Intact copper ash ( or copper ash of natural grading ) is widely applied in architectural works after it is processed into intermediate / fine sand .

自然演替过程中铜尾矿土壤酶活性的变化

Changes of soil enzyme activities in the copper mine tailings during natural succession

自然植物群落对铜尾矿废弃地土壤酶活性的影响

Effect of natural plant communities on soil enzyme activities in deserted copper mine tailings dumps

某厂以自然通风炉焙烧铜精粉来生产硫酸铜，66.3%的铜以铁酸铜形式存在，铜的浸出率仅有33.6%。

In one workshop the copper concentration powder is roasted by the air furnace for producing copper sulfate . The 66.3 % copper in the copper concentration powder is changed into copper ferrite . The leaching efficiency of the copper is only 33.6 % .