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| 1 | Rehabilitation and Sustainable Use Pattern of Rocky-desertified Land in Southwest China’s Poverty-stricken Karst Mountainous Areas——A Case Study in Benggu Township, Xichou County, Yunnan, China显示文摘The rocky desert in a karst area directly causes the lack of soil, water and forest, hence leading to the poverty there. In 1990, the villagers from the Muzhe Village in Benggu Township, Xichou County, Yunnan declared a war against rocky desert in an attempt to ask the fields for more yields. They invented a distinctive land rehabilitation and sustainable use pattern called “transforming heavenand earth” that had been practiced in Southwest China’s karst areas. The key mechanism of the pattern was to develop terraced fields with well conserved soil, water and fertility by exploding rocks in the fields, building stone walls, gathering more soil, and improving soil quality and productivity for the fields in combination with building of irrigation facilities and roads, as well as with forestation and agriculture structure adjustment. The purpose of the pattern was to alleviate poverty in the karst areas by improving soil productivity and promoting agriculturaldevelopment. A typical area was studied with the help of Participatory Rural Appraisal (PRA) and the pattern was carried out there for fifteen years, have produced excellent ecological benefits and good economic benefits. Its application in the area approved that it was a sustainable land use pattern for rocky desert areas. | YANG Zisheng LIU Yansui BAO Guangjing LI Zhiguo HE Yimei | 2006 | Journal of Mountain Science2006，3，3： | 10 |
| 2 | A way for improving transition zone between concrete substrate and repair materials显示文摘 | Jinwei Liu Huicai Xie | 2002 | Cement and Concrete Research2002，32，12： | 1 |
| 3 | Partial nitrification adjusted by hydroxylamine in aerobic granules under high DO and ambient temperature and subsequent Anammox for low C/N wastewater treatment显示文摘 | Guangjing Xu Xiaochen Xu Fenglin Yang Sitong Liu Yang Gao | 2012 | Chemical Engineering Journal2012，，： | 1 |
| 4 | AdhesiveFailure of Grooved Tool in Milling of 3Cr-lMo-1/ 4V Steel显示文摘 | Tan Guangyu Liu Guangj un Li Guanghui | 2011 | International Journal of Materials Product Technology2011，42，34： | 1 |
| 5 | Flexural behavior ofwood beams strengthened with HFRP 显示文摘 | Yang Youlong Liu Jinwei Xiong Guangjing | 2013 | Construction and BuildingMaterials2013，43，： | 1 |
| 6 | 2014-2017年华北平原PM_(2.5)组分消光与能见度对比研究显示文摘华北平原大气污染与低能见度状况一直是人们关切的问题.本文通过分析2014-2017年PM_(2.5)化学成分的浓度和消光效果,研究了华北平原典型城市保定市的大气污染特征.结果表明,PM_(2.5)分的年均浓度显示下降趋势,水溶性无机离子,碳质气溶胶和金属元素分别减少了11μgm^(-3),23μg m^(-3)和1796 ngm^(-3).NH_(4)^(+),NO_(3)^(-)和SO_4^(2-)是PM_(2.5)污染的主要污染物,三者之和占总离子浓度的82.9%.基于IMPROVE方程对细颗粒物进行重构,在观测期间PM_(2.5)质量浓度平均为93±69μgm^(-1),春季,夏季,秋季和冬季的消光系数分别为373.8±233.6 Mm^(-1)±,405.3±300.1 Mm^(-1),554.3±378.2 Mm^(-1)和1005.2±750.3 Mm^(-1).硫酸铵,硝酸铵和有机物对消光的贡献最大,不同季节下占比达55%~77%.通过PM_(2.5)组分进行重构,利用IMPROVE算法计算得到Rb_(sca),用能见度测量值转换得到Vb_(sca),二者具有较高的相关性(r^(2)=0.84);但存在Vb_(sca)的高值被低估,Vb_(sca)的低值被高估的现象;特别是当Rb_(sca)>1123 Mm^(-1)(对应能见度约小于2.0 km)时,Vb_(sca)的值被低估了17.6%.高浓度PM_(2.5)和高湿度对IMPROVE算法结果有显著的影响. | Xinrui Wu Jinyuan Xin Xiaoling Zhang Ruirui Si Guangjing Liu An’na Li Tianxue Wen Zirui Liu Shigong Wang Guangzhou Fan Yuesi Wang Lili Wang Wenkang Gao | 2021 | Atmospheric and Oceanic Science Letters2021，14，2： | 0 |
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