principal相关论文
Principal leadership and the teachers professional development have been well-defined within educational literature.Howe......
A Case Study on the Change of the Leadership of the Chinese Sister Presidents under the Background o
With the acceleration of globalization,exchanges between China and the international community on education and culture ......
Implications for rock instability precursors and principal stress direction from rock acoustic exper
The characteristics of rock instability precursors and the principal stress direction are very crucial for the preventio......
We consider a nonlinear Dirichlet problem driven by a(p,q)-Laplace differential operator(1<q<p).The reaction is(p-1)-lin......
An Assessment of Soil Variability along a Toposequence in the Tropical Moist Semi-Deciduous Forest o
<p> Understanding the variability of physico-chemical properties of soil along a toposequence is essential for smallhold......
Environmental Mapping of Potential Habitats for Anthropod Vectors of Trypanosomiasis in Northern Nig
This paper presents analysis of a cost effective methodology using remotely sensed data analysed within a geographical s......
Nitrogen application and intercropping change microbial community diversity and physicochemical char
Intercropping of mulberry(Morus alba L.)and alfalfa(Medicago sativa L.)is a new forestry-grass compound model in China,w......
According to the physical and chemical indexes of different periods,different storage containers and different storage s......
Abstract ［Objectives］ The genetic diversity and population genetic structure of 107 inbred lines of maize in Yunnan were a......
The exploration of fracture internal fixation materials has been one of the research hotspots in the field of biomedical......
To better describe and understand the time dynamics in functional data analysis,it is often desirable to recover the par......
Effect of Two Kinds of Similarity Factors on Principal Component Analysis Fault Detection in Air Con
Screening similar historical fault-free candidate data would greatly affect the effectiveness of fault detection results......
In order to realize the intelligent mechanization of the last process of the fruit industry chains,the identification of......
To evaluate the actual status of water quality and conclude on the mains source of pollution in the Nyong estuary River,......
The Multilayer Perceptron Neural Network (MLPNN) induction technique has been successfully applied to a variety of machi......
为了探讨基于舌诊的疾病快速筛查,运用可见和近红外光谱仪,采集149名志愿者舌尖的反射光谱并且进行反射率归一化处理。根据临床诊......
The Iwasava decomposition and intermediate subgroups of the Steinberg groups over the field of fract
The Iwasava decomposition is proved for the Steinberg groups of types 2A2l-1, 2Dl, 2E6, 3D4 over the field of fractions ......
We use the functional principal component analysis(FPCA) to model and predict the weight growth in children.In particula......
Liquid state methanol and ethanol under different temperatures have been investigated by FT-NIR(Fourier transform nearin......
Integration of principal components analysis and cellular automata for spatial decisionmaking and ur
This paper discusses the issues about the correlation of spatial variables during spatial decisionmaking using multicrit......
方剂君臣佐使配伍中的君药在历代文献记载中有着不同的涵义和数量.据现存文献,以愈病者为君药;中以治疗主病的药物为君药;的君臣佐......
汉语国际教育在新西兰小学教育阶段发展前景乐观,但相关研究有限.小学汉语课程实施是学校管理者和汉语教师共同开展的多层次、系统......
<div style="text-align:justify;"> In this paper, we discuss the integrals of oscillatory kind function with Cauchy princ......
目的 采用主成分分析(PCA)算法分析我院抗真菌药物的用量,探讨医院抗真菌药物使用监测的新模式.方法 提取我院住院患者2010-2015年......
防治煤矿突水时需迅速精准地判别突水水源,激光诱导荧光(LIF)光谱技术具有灵敏度高、快速准确监测特点,为检测突水水源提供了一种......
南唐后主李煜被誉为“千古词帝”。他的词由心而作,缘情而胜,洋溢着一往而深的真诚和毫不矫饰的纯情,在这些毫无矫饰的词作中充斥......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Fingerprint authentication system is used to verify users’ identification according to the characteristics of their fin......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
学校文化特质是体现不同学校间的质的差异性的集中表现与焦聚,学校文化对学校的发展,教师的成长,学生的精神气质的培养至关重要。......
目的探讨决策树C4.5算法及主成分分析法在新疆维吾尔草药图像分类中的应用。方法选取新疆维吾尔草药图像450张,其中花类、叶类、果......
[目的]探寻薰衣草中特征无机元素的分布规律及其与品种之间的关系.[方法]采用微波消解、电感耦合等离子体发射光谱法(ICP-AES)测定......
从自然、社会、经济和治理条件4个方面选取了21个指标,运用主成分分析法研究了四川省21个地区的生态安全情况.在此基础上,通过聚类......
首先利用数字滤波方法对淮河流域试验的大气边界层湍流观测资料进行三项分解,将大气边界层湍流的风速信号分解为近似各项同性的小......
肿瘤是一种多基因参与、多步骤发展、内外环境交互作用下形成的复杂疾病,临床研究显示,对恶性肿瘤而言早期诊断的意义远大于现有的......
为了解柴达木盆地藜麦品质现状,应用多元统计学分析方法,对都兰地区种植的12份藜麦品种(系)的水分、灰分、淀粉、脂肪、粗纤维、总......
中圖分类号 R917 文献标志码 A 文章编号 1001-0408（2021）08-0973-06 DOI 10.6039/j.issn.1001-0408.2021.08.13 摘 要 目......
绩效评价是对公立医院院长管理的重要手段。目前，还没有形成比较科学、系统的公立医院院长个人评价指标体系，导致院长管理行为不规范......
民国后期,一些社会团体关注中小学教育,在政策允许的范围内创办了许多私立学校。按照当时法律规定,私立中小学应该设立校董会,由其......
准确预测和控制隧道变形是确保隧道工程施工安全的重点。针对目前隧道围岩变形时间序列预测的不足,文章提出了一种基于多变量高斯......
In past few decades,climate has manifested numerous shifts in its trend.Various natural and anthropogenic factors have i......
以大数据、物联网、云计算、人工智能为代表的数字信息技术深度影响着产业发展,数字化转型成为潮流。对于高技术产业而言,数字化转......
本试验利用顶空固相微萃取结合气相色谱-质谱联用(GC-MS)技术对6个草莓品种的果实香气物质进行测定,分析不同草莓品种的果实香气物......
为明确“一管6”滴灌条件下不同小麦品种、不同行间干物质积累与转运特征及其对产量的影响,以来自新疆、内蒙、宁夏等不同地区的7......
稻瘟病是世界公认的水稻重大病害之一。实现稻瘟病害的早期分级检测,对水稻病害早期防治及精准用药具有重要意义。以大田自然发病......
A total of 37 elements were determined in tap and bottled water samples from six counties of Middle Tennessee (USA) by I......
运用主成分分析法构建因子分析模型,把影响我国农村人力资本积累的诸多因素合成少数几个主要综合因子,通过对主因子命名,归纳出影......
ＰｅａｎｏＤｅｒｉｖａｔｉｖｅｓａｎｄＳｉｎｇｕｌａｒＩｎｔｅｇｒａｌｓｏｆＡｒｂｉｔｒａｒｙＯｒｄｅｒ￥ＬｕＪｉａｎｋｅ（ＤｅｐａｒｔｍｅｎｔｏｆＭａｔｈｅｍａｔｉｃｓ，ＷｕｈａｎＵｎｉｖｅｒｓｉｔｙ，Ｗｕｈａｎ４３００７２，Ｃｈｉｎａ）Ａｂｓｔｒ.........
本文分析了扬州市梅岭中学王力耕成为校长的生活历程，认为他求实求精的教育教学观和“尊重人——发展人——完善人”“三人”思想的......
