the present paper has analyzed the distribution of molten steel temperature, temperature drop and drop rate during tapping, studied the factors governing the temperature drop and established a mathematical model of molten steel temperature changes during tapping.

on the basis of steelmaking process conditions of 15 t basic oxygen furnace, heat balance of the furnaces dedusting system is calculated. it provides basis for design of the dedusting system.

根据15t氧气顶吹转炉炼钢工艺条件，对其除尘系统的热平衡进行计算，为除尘系统设计提供了依据。

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in 30t oxygen top-blown converter of pudong iron and steel company, ltd. the new technology experiment has been carried out with double changeable oxygen-supplying system and new calculation methods of slag materials.

采用双变供氧制度和新的渣料加入量计算法，在浦钢公司30t氧气顶吹转炉上进行了新的冶炼工艺试验研究。

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application of magnesia-carbon bricks to 300t ld converter since october, 1986 is mainly introduced at baoshan steel plant in the paper.

本文主要介绍宝钢300t大型氧气顶吹转炉，自1986年10月开始使用含镁碳转炉衬的情况。

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the smoke cleaning and gas recovery system for 30-ton ld converter in xingtai iron and steel company and its effect are introduced.

介绍了邢钢30t氧气顶吹转炉烟气净化及煤气回收系统装置及效果。

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research on technology of 30t oxygen top-blown converter in pudong iron and steel company, ltd

浦钢公司30t氧气顶吹转炉冶炼工艺试验研究

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practice of transforming the fixed cap of the 20t top blowing bof into a movable cap

20t氧气顶吹转炉死炉帽改为活炉帽的实践

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this was the ld process, which used oxygen gas for the oxidation of impurities in iron.

这就是氧气顶吹转炉炼钢法（LD炼钢法）。这种方法使用氧气来氧化铁水中的杂质。

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design and application of auto-rid-slag scraper used in the oxygen-top-blowing converter

PLC抗干扰技术在高炉自动化中的应用氧气顶吹转炉自动刮渣器的设计及应用

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methods for establishing the static control models of bof

氧气顶吹转炉静态控制模型建立方法探讨

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reconstruction of the capacity of 15t bof dedusting system

15t氧气顶吹转炉除尘系统改造

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research on vertical balanced rate of the basic medical insurance system for urban employee

城镇职工基本医疗保险纵向平衡费率研究

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measurement and calculation of money raising rate of basic medical insurance in the old age tendency

老龄化趋势下基本医疗保险筹资费率测算

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the first chapter, introduction, introduces the background and significance of this paper, making an integrated literature review on the theories of basic endowment insurance rate structure at home and abroad, providing an outline of the content and thread of this paper.

本文在论述过程中是分层级进行的，首先阐述了本文的选题背景及写作意义，对国内外关于社会基本养老保险费率结构理论进行文献综述，介绍本文研究内容和思路。

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the fourth chapter, the effect of economic growth of the adjustment of basic endowment insurance rate structure in our country, expounds practical research methods and their designing process.

最后对我国社会基本养老保险费率结构调整的经济增长效应进行分析，对实证研究方法及其设计过程进行阐述。

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Winter twig The leaves are opposite, hence the leaf scars are opposite on winter twigs; this example is Acer saccharum, sugar maple.

树叶是相反的，因此叶伤疤冬天树枝相反，这个例子是糖槭，糖槭。

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Syrup made from various sugars and flavored with maple syrup or artificial maple flavoring .

由各种糖制成，掺有槭糖浆或人造槭糖调味品的糖浆。

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for a start we will implement a contracted salary based system where all coaches will negotiate a new contract with the manager.

在新系统开始的时候，我们会给一个基于系统的基本合同薪水，以后所有教练都将同经理们交涉一个新的后续合同。

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this means some private banks are willing to be more creative with funding structures than high-street lenders, an important factor for wealthy clients who may have relatively modest basic salaries but large, regular bonuses as well as significant assets.

也就是说，一些私人银行愿意提供比普通商业银行更具创新的融资结构，这对富人客户非常重要，他们的基本薪水可能相对不高，但享有高额、定期的奖金和大量资产。

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base salaries for production and manual work in hong kong are three times higher than china while salaries for junior managers and professionals are twice as high.

香港的制造业及体力劳动基本薪水是中国内地的三倍，而初级经理与专业人士的薪水是内地的两倍。

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analysis of sustainable use of water resources in china

水资源可持续利用的基本任务与对策分析

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