Choosing with loess relevant index by the method of fuzzy mathematics, a synthetical fuzzy judge about the collapsibility of loess region in Long Xi, Long Dong(LD), Shan Bei and Guan Zhong is made. 用模糊数学的方法选用与黄土有关的指标,对陇西、陇东(LD)、陕北、关中地区黄土的湿陷性进行了模糊综合评判。
The Analysis and Prediction of the Air Quality in Long Dong(LD) 陇东(LD)空气质量的分析及预报
This paper uses integral regression to analyze the effect of soil temperature, atmospheric temperature, precipitation and sunlight on the yield of winter wheat in the Loess plateau in Long Dong(LD). 采用回归积分法分析了陇东(LD)塬区地温、气温、降水、日照等气象要素对冬小麦气候产量的影响。
Analysis and Research on the Source of Water Permeance in Work Face 7132 of Long Dong(LD) Coal Mine 龙东煤矿7132工作面透水水源的分析研究
On English Strategies Training of Senior Two in Long Dong(LD) Middle School 高二英语阅读策略及其培训