It is pointed out that there are abundant resources of oil shale which accompany coal in Tanshan , Guyuan , Ningxia , West-China.
前人及我们最近的研究结果表明：宁夏固原炭山地区存在大量的与煤伴生的油页岩资源。
The contents of organic carbon and water of different plant processes in soil profile of NingXia GuYuan are measured and analyzed.
通过对宁夏固原不同植物过程土壤剖面有机碳含量和含水量的测定和分析。
Knowledge information dissemination; Service function; Ningxia Guyuan.
知识信息传播；服务功能；宁夏固原。
According to results of analyzing on the utilization of solar energy with principal component method, Yinchuan City of Ningxia is ranked at No. 3, Guyuan of Ningxia at No. 12 in cities of China.
利用主成分综合分析，银川的太阳能及其可利用状况在全国排名第3位，固原排名第12位。
There is a road about 20klio meters long called "DeLin avenue" in GuYuan City Ningxia mountainous area;
在宁夏山区固原市，有一条长约20公里公路叫做“德林大道”；
There is a road about 20klio meters long called "DeLin avenue" in GuYuan City Ningxia mountainous area;
在宁夏山区固原市，有一条长约20公里公路叫做“德林大道”；
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