查询词典 uranium-actinium

The adsorption rate of uranium increased with increase of initial concentration of uranium and temperature.

考察了吸附温度、溶液的pH和浓度对吸附性能的影响。

Based on the analysis results and the principle that the concentration of the contaminants in a mine varies in a constant ratio and the degree of their hazard varies in an arithmetic progression,the evaluating indicators were determined for the air quality in a uranium mine,and an evaluation model was proposed for the evaluation of the air quality in a uranium mine based on integrated scale index on ...

该模型克服了传统评价方法主要从辐射危害的角度进行评价的局限，能综合评价铀矿山井下空气的质量。采用该模型对某铀矿井4个用风点的空气质量进行了评价，获得了4个用风点空气质量综合评价等级和应采取的相应的对策。评价结果能为铀矿井通风系统的设计和空气质量的安全评价提供参考。

A quantitative appraisal of the prospect of uranium mineralization is completed based on a set of hydrochemical data acquired from the known in-situ leachable sandstone-type uranium, including radon content, acid-alkali ratio, oxidized and reduced electronic potential, hydrocarbonate radical and uranium content in water.

但是在找铀过程中仅用水化学成份、氡含量、酸碱度和氧化还原电位等数值进行描述，说明它们与铀矿化的关系，这种单一因素的描述不能综合反映与铀矿化的联系程度，以定量评价铀矿化与上述因素的关系，从而影响了水化学找矿的效果。

Sandstone type uranium ore is a epigenetic hydrogenic uranium deposit, and its mineralizing theory is mainly on the basis of the hydrogeology and hydrogeochemistry, and many key problems need to explore in the course of uranium ore-forming have closely to do with hydrogeochemistry.

砂岩型铀矿是一种后生水成铀矿床，其成矿理论是建立在水文地质学、水文地球化学等学科基础上，矿床形成中的许多有待探索的关键问题都与水文地球化学密切相关。

With theories of hydrogenic uranium deposit and roll type sandstone uranium deposit, this doctoral dissertation makes a systematic dissection to the typical sandstone uranium deposits of interlayered oxidation zone type in the southern margin of Yili basin.

本文以水成铀矿床和卷状砂岩铀矿床成矿理论为指导，对伊犁盆地南缘典型层间氧化带型砂岩铀矿床进行了较全面系统的解剖。

This article introduced the uraniferous phosphorus ore and the Uranium reserve in phosphorus ore ,summarized the recovery method of Uranium and evaluated the recovery method of Uranium.

介绍了我国含铀磷矿及铀含量，综述了磷矿伴生铀的回收方法，并对回收方法进行了评价和探讨。

Rim of the lamp for uranium Jiangse Green, blue for the outer rim Green uranium, the uranium facilities are not in the end, Make-up soil for the pie-shaped feet, khaki-colored child, a typical feature of the Tang Dynasty, has more than 1,000 years in order to preserve intact, the China Central Television Kam Po column four years ago has given 6000 yuan for collection.

该灯口沿内为酱色青铀，口沿外为青色青铀，施铀不到底，有化妆土，为饼形足，土黄色胎，典型唐代特色，至今以逾1000余年，保存完好无损，中央电视台鉴宝栏目在四年前给出6000元人民币已作收藏。

Having reviewed a large number of relevant literature in detail, combined with some research achievements at sandstone type uranium deposits in China and abroad, The authors try to make an overview of the role of sulphides, particularly the pyrite, in the reduction, precipitation and concentration of uranium at the redox front of sandstone type uranium deposits.

作者通过大量的相关文献的调研，结合国内外在砂岩型铀矿研究方面取得的成果，对硫化物，特别是黄铁矿在砂岩型铀矿氧化－还原前锋线附近铀还原、沉淀和富集过程中所起的作用提出了自己的认识。

South-with the requirements of domestic furniture manufacturers, successfully developed a series of woodworking design sophisticated processing equipment, products: Automatic Edge machine, pushing Taiwan saw precision, precision Panel Saw, heavy vertical shaft milling, high-speed router milling machines, cold-pressing Machines, hot and cold press, multi-pressing machine, ranked number six uranium drilling, ranked number four uranium drilling, three rows of uranium and more drilling, single-row drilling machines.

南兴结合国内家具厂商的要求，成功开发设计了一系列木工加工精密设备，目前产品有：自动封边机、精密推台锯、精密裁板锯、重型立轴铣、高速镂铣机、冷压机、冷热压机、多层热压机、六排多铀钻、四排多铀钻、三排多铀钻、单排钻孔机等。

Enriching uranium increases the uranium 235 concentration in the material, which increases the amount of fission that occurs in a given amount of uranium.

浓缩铀提高了铀235的浓度，从而增加了一定数量铀中发生的裂变量。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐