The paper presented 12 switching device schemes for a medium voltage power distribution networks in Guyuan, Ningxia, assessed the schemes with the cost-benefit analysis and obtained the best schemes. The engineering applicability and correctness are verified by the case.

1、

On March 1,2005, in Zhongwei town, a peasant household raised 1500 chicken of 150 days, which began to have diarrhoea and die.

2005年3月1日，宁夏回族自治区中卫市某镇养鸡大户饲养的1500只（150d）蛋鸡陆续发生腹泻、死亡。

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2、

However, it has its particular advantages for economic development.

但是，回族在发展经济方面又有独特的优势。

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3、

Its particular culture is the important part of Chinese civilization.

回族经济、文化较发达，其独特的文化是中华文明的重要组成部分。

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4、

At the same time, according to the basic principles of community work, problems and reasons analysis of X Hui community work, put forward feasible suggestions, provide the experience to the Xi' an minority community work.

同时，根据社区社会工作的基本原则，分析X回族社区工作的不足及原因，提出切实可行的对策建议，为西安少数民族社区工作提供经验借鉴。

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5、

The Research of Hui Nationality Girls' Education in Guyuan Region

固原地区回族女童教育研究

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6、

Culture Hui Nationality culture pattern and direction in the changing society

社会变迁中的回族文化模式及文化走向

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7、

Methods 456 knee from 290 KOA patients of middle-old age in Ningxia were collected and were divided into two groups by weather going to church.

方法收集宁夏地区回族中老年人KOA患者290人456例膝，按是否礼拜分为礼拜组与非礼拜组。

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8、

An investigation for genetic polymorphisms of 10 STR loci on chromosome X of Chinese Hui nationality population in Ningxia region of China

宁夏回族人群X染色体10个短串联重复序列位点的遗传多态性调查

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9、

A research on diatom-flora in Helan mountains, ningxia Autonomous Region

宁夏回族自治区贺兰山地区硅藻分布

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10、

On National Language Basis of the Language Spoken by Hui Nationality

回族话形成的民族语言基础

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11、

Environmental analysis on the formation of Ningxia southern Hui ethnic community

宁夏南部回族社区形成的环境分析

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12、

Analysis of hereditary diseases in Ningxia hui ( islamic) nationalities

宁夏回族遗传病调查分析

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13、

The "favors" Cultural Change Research in Hui tribe Community

乡村回族社区人情文化变迁研究

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14、

Brief Description about the Modern Education of the Hui in Heilongjiang

黑龙江新式回族教育述略

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15、

On the Implication of Jurisprudence in the Custom of Hui people

回族习俗中的法理学思想探微

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16、

Determination of PTC Tasting Ability in the Hui Nationality of Ningxia

宁夏回族苯硫脲尝味能力的测定

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17、

Screening of Antagonistic Actinomycetes against Animal Pathogen from Saline Soil of Northwest Typing of NA Gene in the Hui Nationality in North west China by PCR SSP

西北地区盐渍土中抗动物病原菌的拮抗放线菌筛选PCR-SSP方法对西北地区回族NA抗原基因分型

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18、

Analyse genetic polymorphism in some STR loci and genetic structure in Hui and Han population in Ningxia.

本研究通过对宁夏地区回族和汉族群体遗传结构的研究，分析宁夏地区回族和汉族群体部分STR多态位点的遗传多态性分布特征和宁夏地区回族和汉族群体遗传结构的特征。

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19、

Preliminary Analysis of 34302 Emergency Cases in Linxia Hui Autonomous Prefecture

临夏回族自治州34302份急诊病历初步分析

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20、

Objective: To understand the neutrophil antigen ( NA) gene polymorphism in the Hui nationality in North west China by typing of NA gene.

目的：通过NA基因分型，了解中国西北地区回族人群NA基因多态性。

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