基于传统统计学和地统计学原理,分析了菜地、旱地和水田3种耕作方式对吉林省九台市土壤重金属铬分布的影响,并研究了整个区域铬含量的空间异质性特征。结果表明,菜地和水田土壤中铬含量明显高于背景值,存在积累现象,而旱地不明显。用球状模型来拟合整个区域铬含量的理论半变异函数效果最佳,铬分布具有较好的空间结构性,自相关范围较大,属于强空间相关。同时,各向异性分析表明该区域的铬含量分布是各向同性的。通过普通Kriging插值发现,铬含量的高值区主要分布于九台市东北部的岛状区域和西南部 ...
doaj
[Heterogeneity of tumor-associated macrophages and precision targeting strategies in hepatocellular carcinoma]. [PDF]
Huang K, Zhang GQ.
europepmc +1 more source
目的为探究黑滩沟小流域不同土地利用类型土壤团聚体稳定性及可蚀性变化特征,明确环境因子与团聚体稳定性及可蚀性间的关系,为提升土壤侵蚀能力、耕地质量与生态系统功能提供依据。方法以青海省东北部的黑滩沟小流域为研究区域,针对林地、草地和耕地布设50个样点,采集0~20、20~40 cm土层土样进行土壤团聚体组分及相关土壤性质的测定与计算,综合半方差函数、克里金空间插值、Pearson相关分析、冗余分析和结构方程模型(SEM)量化环境变量对>0.25 mm土壤水稳定性团聚体质量分数(WSA>0.25)、
赵家艺 +12 more
doaj
[Progress in electric field assisted molecular imprinting technology]. [PDF]
Wu JY, Huang XJ.
europepmc +1 more source
[Robotic gastrectomy: Research progress and practical challenges]. [PDF]
Li B, Liang H.
europepmc +1 more source
[Clinical symptoms and cone beam computed tomography imaging analysis of patients with temporomandibular joint osteoarthritis with chewing side preference before and after treatment of stabilization splint]. [PDF]
Li X +7 more
europepmc +1 more source
[A Study on the Association Between Various Insulin Resistance Assessment Indices and IVF-ET Outcomes in Patients With Polycystic Ovary Syndrome]. [PDF]
Liu Y, Hu Z, Han J, Gao R, Qin L.
europepmc +1 more source
[Safety study of resin-based dental materials using gas chromatography-mass spectrometry techniques]. [PDF]
Li Y, Zeng Y, Du Z, Ren G.
europepmc +1 more source
[Efficacy analysis of electrochemical detection of leukocyte esterase based on glucosyl ester in diagnosis of periprosthetic joint infection after knee arthroplasty in rabbits]. [PDF]
Luo N +5 more
europepmc +1 more source
[Role and mechanism of Wnt9a in human and mouse chronic wound healing]. [PDF]
Jia YH, Yuan YX, Hu DH, Guan H.
europepmc +1 more source

