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Based on the pressure curve experiment, the physical characteristic of ore-bearing rocks of the Luoba lead-zinc deposit in the Qinling Xicheng deposit field shows small porosity, low permeability and bad link ostiole in the ore-bearing rocks series. The feature indicates that the physical characteristic of ore bearing is unfavorable for forming the Luoba lead-zinc deposit.

采用压汞分析技术对秦岭多金属成矿带西成矿田洛铅锌矿床含矿层各岩系的物性特征进行了研究,结果表明含矿层各岩系物性特征具有孔隙度小、渗透率低、孔喉连通性差的特点,这一特征对洛大型矿床的形成是极为不利的。

In this paper, based on the field survey data and model test results, the overtopping failure mechanism and process of break development of earth-rock dams are analyzed, and a numerical model which describes the process of break development of earth-rock dams is put forward.

本文首先根据现场溃调查资料和大型溃试验结果,研究分析了土石的溃决机理和溃决过程,在此基础上提出了一个描述土石漫顶破坏溃口发展过程的数值模型。

The results showed that the heavy metals in various mediums were mainly Cu and Ni, and those concentrations were, in the descending order, in ditch, tailings, slagheap and cultivated soil. In the tailings and the sludge of the ditch, the concentrations of Ni were obviously higher than those of Cu. Whereas, in the soil and the weathering and atmospheric deposition of the waste slagheap surface, the concentrations of Cu were higher than those of Ni. This means that in the first two mediums, Cu and Ni mainly originated from the tailings, while in the latter two mediums, Cu and Ni mainly came from the atmospheric deposition of airborne particles of the smelting. Cr and Zn were mainly in residual fraction, Cu was mainly in oxidizable and residual fraction.

结果表明:不同区域环境中重金属呈现不同程度累积,其中以Cu、Ni最为显著,含量由高到低依次为尾矿排污沟>尾矿>废渣堆>农田土壤;尾矿砂和沉积物中重金属分布以Ni含量显著高于Cu含量为特征;而农田土壤和风化物及降尘中重金属分布以Cu含量高于Ni含量为特征,前者Cu、Ni主要来源于尾矿,后者与冶炼烟尘排放有很大关系;样品中除Cr、Zn以残渣态为主外,Cu、Ni、Pb化学形态分布有较大差异,Cu以可氧化态和残渣态为主,Ni以可还原态为主,其次为弱酸提取态,Pb以可还原态为主,其次为残渣态。

Rubber dam laboratory model experiment: respectively measures the reaeration ability of smooth overflow surface and roughened overflow surface, then contrastively analyses the effect and reason of reaeration improving after roughened modification, and the reaeration effect between curve dam and rubber dam.

橡胶复氧室内模型试验:分别测量了光滑溢流面和糙化溢流面的复氧能力,对比分析了溢流面糙化后复氧增强的效果和原因,并对摘要比分析了曲线型溢流和橡胶的复氧效果。4。

Fish will hold out of the current around structure such as rocks, fallen trees, wing dams, rock piles and boulders, riprap around the dam, etc.

鱼儿会停留在主流以外的结构如岩石、倒下的枯木、翼、石堆和大卵石、附近的护坡等。

3Ensemble character of structural planes as follows: In left dam abutment, meta basalt schistosity is main, and the structure is clockwise. Low dip angle jointing didnt develop in rock mass; In right dam abutment, rupture and jointing structural plane is main, and the structure is reversed. The structure was of obvious macroscopical slaty character. Constructional soft rock mass belt with some thickness developed.

3通过对上述结构面的分析,得出其总体特征为:左肩以变玄武岩片理为主体,呈顺向结构,岩体内缓倾角节理极不发育;右肩主要为断裂及节理型结构面,呈反向结构,且具有明显的宏观板状结构特征,并发育有一定厚度的构造软岩带。

Harmony with the wife of a 34-year-old XuanWeiShi field leases in zhang so-and-so devel-oped coal field, deng's TianCun dam on October 19, 2008 in a coal mine, the harmony, the key to the shift in the lock, zhang so-and-so to a person in the home to sleep.

雍某与34岁的妻子张某某租住在宣威市田镇田煤矿邓家田村,2008年10月19日傍晚,雍某去煤矿上夜班,钥匙插在锁孔上忘了取下,张某某一个人在家中睡觉。

The heavy metals in various environmental mediums around a Ni-Cu mine in the City of Jinchang, Gansu Province, were analyzed using ICP-AAS. These mediums include the cultivated soils, the weathering and atmospheric deposition on waste slagheap surface, the tailings, and the sludge in the drainage ditch by the tailings.

对甘肃省典型矿业城市金昌市周围农田土壤、废渣堆表面风化物及降尘、尾矿尾矿砂和尾矿旁排污沟沉积物中Cr、Cu、Ni、Pb、Zn含量及其化学形态进行分析。

A popular dance is in vogue in Chongqing, a dance which can offer people entertainment and improve their health. That is the square dance.

在重庆流行一种通俗的舞蹈,这种舞蹈男女老少都可以参与;既能娱乐、又能健身,那就是"舞"。

Monitoring of tailings dam is one of the important means to ensure the safety operation of tailings dam.

尾矿监测是保证尾矿安全运行的重要手段之一。

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年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。

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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.

老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。