The factors of affecting extraction of gold were discussed, such as conditions of media, bacterial activity and aeration conditions.

Bacterial activity in the flooded petroleum horizons at the third area of Shengli Oil Field

胜利油田三区注水层微生物的活动

Biogenic amine is also an important substance and has remarkable resistance of bacterial activity.

生物胺也是一类很重要的生物活性物质，具有显著的抑菌活性。

Ore forming process related to bacterial activity as exemplified by two European lead zinc deposits

与细菌活动有关的成矿作用&两个欧洲铅锌矿床实例

The high bacterial activity could accelerate the bioleaching of chalcopyrite.

中等嗜热菌活性高有利于提高黄铜矿的浸出率；

Meanwhile, we study of the complex of anti-bacterial activity.

并对配合物进行了抑菌活性研究。

The Effects of Different Methods of Applying Bacterial Fertilizer on Heeled in Tobacco Seedlings

菌肥不同施用方法对烤烟假植苗的影响

Effect of new compound biological bacterial fertilizer "Feiligao" application on ginger

新型复合生物菌肥肥力高在生姜上的应用效果

The effect of silicate bacterial fertilizer on Rice Yield and its utilization technics

生物钾肥在水稻上的应用效果及使用技术

A screen test of PK bacterial fertilizer bacteria and its application

PK菌肥的菌种筛选及应用研究

Effects of Arbuscular Mycorrhizal Fungi and Bacterial Fertilizer on Rice Growth

丛枝菌根真菌和细菌肥料对水稻生长的影响

The environmental difference between city gas pipeline and long distance gas pipeline is compared, the limitations of current methods for measuring the soil resistance rate, and the possibility of judging bacterial corrosion are analyzed, and some appropriate improvement measures are put forward.

比较了城镇燃气输配管道与长输管道的周边环境的差别，分析了现行的测取土壤电阻率和判断细菌腐蚀可能性的方法的局限性，提出了相应的改进措施。

Bacterial corrosion mechanism in drinking water pipelines is analyzed and the constructive proposal on the corrosion control of drinking water pipelines is put forward.

研究了给水管道细菌腐蚀的机理，并对管道的腐蚀控制提出建设性的建议。

The identified mechanisms of bacterial corrosion are essentially important physico-chemical modifications of the medium in contact with the material.

生物腐蚀的机理对金属接触的介质物化调整来讲是非常重要的。

Bacterial corrosion mechanism in drinking water pipelines

给水管道细菌腐蚀机理

Breakthrough progress in research of pipeline bacterial corrosion getting in America

管道细菌腐蚀研究在美获突破性进展

Organic wastes decompose by bacterial action.

有机废物通过细菌活动可以分解。

It showed the mechanism of these antibacterial substances are bacterial action.

4对细菌的抑菌机理初步观察推断为抗菌物质为杀菌作用，而不是抑菌作用，其机理有待进一步研究证实。

A Study on the Role of Bacterial Action in the Formation of Iron Minerals

铁矿物形成过程中的细菌作用研究

Pochapin said. Rotting, or fermentation, means bacterial action on food resulting in decomposition.

腐败，也就是发酵，指的是细菌作用于食物引起的分解现象。

At the same time, bacterial action affects the crystalline structures and the surface properties of the minerals.

同时细菌作用对矿物晶体结构、表面性质也产生影响。