To discover the optimal ratio of nitrogen to phosphorous for freshwater pelagic diatom ( Bacillariophyta), we take 3 times trials on condition that the concentration of N is 0.5 mg/ kg.

1、

The results of X-ray energy spectroscopic analysis and investigation of different parts of siliceous crust walls of diatoms of different genera and species are summarized in this paper as well.

总结了对不同种属硅藻的硅质硬壳不同部位的X射线能谱成分分析和研究结果。

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2、

Analysis on the Current Condition of Land Use of the Qingshui River Valley

清水河流域土地利用现状分析

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3、

Availability of Rainwater Resources and Local Economy Development in Qingshuihe Region

清水河地区雨水资源化与区域经济发展研究

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4、

It also introduced, including the University of Electronic Science and Technology Campus Qingshuihe Digital Campus Geographic Information System system requirements analysis, system overall design of the guiding ideology and goals, the system functional design and so on.

同时还介绍了包括电子科技大学清水河校区数字化校园地理信息系统建设的系统需求分析、系统总体设计的指导思想和目标、系统功能设计等内容。

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5、

Construction technology of excavating for 100 m high capped pier in deep base for Qingshuihe Creek Bridge

清水河大桥百米高墩深基开挖施工技术

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6、

Information Management System of shelterbelt Forest in Qingshuihe Watershed

清水河流域防护林体系信息管理系统的研究

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7、

Measures for construction quality control for subgrade of South Ring Road in Zhangjiakou City to South Bank of Yanghe River

张家口市清水河滨河路南环至洋河南岸段工程路基施工质量控制

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8、

A study of the characteristics of groundwater circulation and the formation of bitter and saline groundwater in the Qingshuihe Basin in the southern Ningxia

宁南清水河盆地地下水循环特征与苦咸水成因

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9、

Distributed hydrological model based on DEM in Qingshui River Basin; Distribution and Correlation between ABO and Rh Blood Groups

基于DEM的清水河分布式水文模型abo和Rh血型分布及其相关性分析

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10、

Based on detailed investigation information of subgrade in Qingshuihe experimental section, the occurrence reason of cracking and classification of the cracking are studied.

通过清水河试验段路基裂缝的详细调查资料，分析了裂缝产生的原因，并对裂缝进行了分类。

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11、

Analysis on the benefits of water and sediment interception under the conditions of different soil and water conservation measures in Qingjian River Basin;

通过对清水河流域土地资源及其开发利用现状进行综合调查分析，提出了清水河流域土地利用结构调整方向和调整方案。

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12、

Ecological Renovation of Small Watershed in Rural-Urban Fringe of Developing City& A Case From the Ecological Renovation in Qingshui River of Chengdu City

发展型城市城乡结合部小流域生态整治试点&以成都市清水河整治为例

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13、

Study on Grading of Qingshuihe Test Section on Qinghai-Xizang Railway

青藏铁路清水河试验段路基施工研究

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A study of the soils on the northern slope of the Nanshan mountains in the Qingshui River Watershed

北京清水河流域南山北坡土壤研究

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15、

In this article, four ancient human skulls ( 4 female) unearthed from the Warring states period cemetery at the Houchengzui site in Qingshuihe county, Inner Mongolian Province were studied.

本文对出土于内蒙古清水河县后城嘴墓地的4例成年女性个体颅骨进行了体质人类学研究。

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16、

As a case study of a groundwater system in the Qingshuihe Basin in the southern Ningxia, the characteristics of groundwater circulation and the formation of bitter and saline groundwater in the western arid regions in China are analyzed in this paper.

本文以宁南清水河断陷盆地为例，研究西北干旱区储水盆地水循环特征与苦咸水成因机制。

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17、

Qingshuihe limnetic environmental change in the permafrost region of Qinghai-Xizang Plateau

青藏高原清水河多年冻土区湖沼环境变迁

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18、

Provenance sediments and its exploration significance& A case from Member 1 of Qingshuihe Formation of Lower Cretaceous in Junggar Basin

准噶尔盆地车莫古隆起内物源沉积体系探讨及勘探意义&以白垩系清水河组一段为例

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19、

Numerical Simulation of Groundwater Flow in the Qingshui River Plain, in Ningxia Province

宁夏清水河平原中游地下水数值模拟

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20、

After, it compared the natural frequency through the test and the theoretical results of ANSYS. It also analyzed the safety assessment of a suspension bridge Qingshui river. Finally, it proposed a summary of the full text, and put forward the direction of further research.

进而根据所得到的自振频率和ANSYS的理论结果进行了比较，并对清水河悬索桥进行了安全评价分析。最后，对全文进行了总结，并提出了进一步研究工作的方向。

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