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Hydroecological effects of mining and its restoration ways in coal mining areas of Western China [PDF]
The mining areas in arid and semi-arid region have become important coal production bases to ensure China’s energy strategic security, however, coal development by large-scale and high-intensity mining has triggered a series of water resources and ...
Guangrong GE +7 more
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Effect of AMF inoculation on root distribution and water use efficiency of Amorpha fruticosa L in western coal mining area [PDF]
Coal mining in arid and semi-arid areas has led to the emergence of large areas of coal mining subsiding areas. The ecological reclamation of mining areas is hard, and the mycorrhizal microbial technology for ecological restoration has become a current ...
Chao WU +4 more
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Shuitu Baochi Xuebao, 2017 为研究干旱荒漠地区土壤水分特征的变化规律并探讨土壤水分特征曲线拟合模型的适宜性，以古尔班通古特沙漠南缘丘间地为研究对象，应用压力膜仪测定了丘间地剖面各土层（0—150 cm）的土壤水分特征曲线，结合土壤容重、颗粒分布及饱和含水率等性质，分析了丘间地不同土层水分特征和孔隙大小的分布状况，明确了Gardner模型和van Genuchten模型拟合的适用性。结果表明：（1）丘间地剖面砂质土壤释水量伴随吸力呈规律性变化，低吸力段（0～100 kPa）各土层水分特征曲线走势陡直，释水性强；中高吸力段（100～1
董义阳, 赵成义, 班春广
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Influence of mining-induced ground fissures on soil infiltration characteristics and its erosion effect in coal mining area of northern Shaanxi in the middle reaches of the Yellow River [PDF]
Cracking the soil and water loss effects of mining-induced surface fissures in the coal mining area of the middle reaches of the Yellow River is of great significance for ecological environment protection and high-quality development in the coal mining ...
Baodeng CHEN +6 more
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Effects of drought-rehydration on photosynthetic capacity, chlorophyll fluorescence, and microstructure of Cyclobalanopsis glauca seedling leaves in Karst Area of Northwest Guangxi [PDF]
[Objective] To explore the mechanism of Cyclobalanopsis glauca seedlings adapting to the drought-rehydration environment in Karst area, China, using the seedlings of C.
CEN Ying +5 more
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Shuitu Baochi Xuebao, 2007 土壤非饱和导水参数的难于获取,限制了非饱和水流数值模拟技术的实际应用。本研究选择颇具代表性的土壤水分特征曲线推求法和简单入渗法两种方法,分别推求不同质地紫色土导水参数,并进行了分析比较。结果显示,土壤水分特征曲线推求法和简单入渗法,推求的非饱和导水率与计算值均具有较好的一致性。鉴于土壤水分特征曲线的易测优势和简单入渗法实验简便省时特点,采用这两种方法进行紫色土非饱和导水参数的推求或预报是可行的。
程冬兵, 蔡崇法
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Zhongguo shiyan zhenduanxue, 2022 目的 探究釉丛蛋白1(TUFT1)在直肠癌组织中的表达水平及其对直肠癌的诊断和预后价值。方法 利用Ualcan数据库分析TUFT1 mRNA在正常直肠组织及直肠癌组织中的表达水平；选取2014年12月～2018年4月新乡市第一人民医院诊治的77例直肠癌患者为研究对象，实时荧光定量PCR(qRT-PCR)法测定直肠癌组织、癌旁正常组织TUFT1 mRNA表达水平；分析直肠癌组织TUFT1 mRNA表达水平与直肠癌患者临床病理特征的关系；受试者工作特征曲线(ROC曲线)评价直肠组织TUFT1 ...
王坤, 张玉盼, 杨亚鹏
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Shuitu Baochi Xuebao, 2002 根据甘肃秦王川地区的土壤质地分布特征 ,在现场 5个点进行了积水入渗试验 ,同时采用γ透射法及张力计测定了各点的土壤水分特征曲线及非饱和导水率。在分析研究了各水分运动参数与表征土壤物理属性的(Kd/γd)和 (Kp/γd)有极显蓍相关性的基础上 ,提出了适用于该地区各类土壤质地的水分运动参数表达式。
王文焰 王全九 等
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Shuitu Baochi Xuebao, 2005 通过田间和室内试验研究了太湖地区3种主要水稻土(白土、黄泥土和乌栅土)的水分特征以及影响因素,得出了各种土壤每一土层的容重、质地、有机质、土壤团聚度、土壤结构系数和土壤水分特征曲线,比较了3种主要水稻土类型的土壤基本物理性质和水分特征状况,并根据水分特征曲线得出了这3种土壤的田间持水量、有效水含量和萎蔫系数。结果表明:土壤田间持水量和有效水含量均与容重呈极显著的线性负相关,有效水与土壤粘粒含量也呈显著的线性负相关;而土壤的田间持水量和有效水含量与土壤有机质、结构系数、团聚度呈极显著的线性正相关 ...
吴华山 陈效民 叶民标 吴华强 施恩培
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Zhongguo shiyan zhenduanxue, 2021 目的探讨非小细胞肺癌(NSCLC)患者的MicroRNA-133a(miR-133a)表达水平,及其与患者临床病理特征和预后的关系。方法收集南通市第一人民医院2017年1月-2019年10月的NSCLC患者82例为研究对象。使用定量实时PCR分析方法检测并分析miR-133a在研究对象肺癌组织和邻近正常肺组织中的表达。使用ROC曲线分析miR-133a对NSCLC及病理特点的预测价值。使用生存曲线分析miR-133a对NSCLC患者生存时间的影响。结果 NSCLC组织的miR-133a表达降低 ...
陶国华, 赵枰, 郁超
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