The relationship of the Alpha coefficient with the congeneric test,the parallel test and the essential-τ-equivalent test,and the relationship among the three tests were reviewed.
本文从α系数与同质性测验、平行测验和基本τ-等价测验间的关系及三种测验间的关系入手,分析了α系数作为测验同质性信度估计的局限性;根据J reskog给出的信度定义(α系数),讨论了λ系数与α一致性信度、Guttman下限之间的关系,说明了在测验同质的前提下,λ系数在估计测验内部一致性时与α系数相比的优点。
Supported by NSFC,we have carried out the research on adjacency effect since 2004 and conducted 2 satellite and 1 aerial synchronous experiments.
本文介绍了2005年7月25日在官厅遥感实验场沙漠的卫星同步测量实验结果和2005年5月11日奥运场馆建设预留裸土地的ADS40航空遥感同步实验测量数据分析。
During the flood period of 1999 a simultaneous hydrometry, on the largest-scale and the fullest-items in history, was carried out in the downstream of Xijiang River, Beijiang River and the net rivers of Pearl River delta.
1999年汛期,西江、北江下游及三角洲开展了历史上规模最大、项目最齐全的同步水文测验工作。
Studies on Half-sib Progeny Test of Plus Tree and Superior Family Selection of Cunninghamia lanceolata
杉木优树半同胞子代测定及优良家系选择初步研究
Study on Progeny Test and Selection of Half-sib Families of Melia Azedarach L.;
苦楝半同胞家系子代测定与选择研究
Selection of Elite Corylus Heterophylla F.tree and Half-sib Progeny Test;
平榛优良单株选育及半同胞家系子代测定
Study on Characteristic Variation of Half-sib Pollination Offspring of Alnus Formosana during Seedling Period
台湾桤木半同胞授粉子代苗期性状变异的研究
Variations of Growth and Fiber Properties of Half-sib Family Progeny of Betula platyphylla
白桦半同胞子代生长及木材纤维性状变异分析
Genetic Variation Analysis of Seedling Growth Characteristics of Half-sib family of Pinus massoniana
马尾松种子园半同胞家系子代苗期性状遗传变异
Y-STR Genotyping in Forensic Identification Using a 17-Ioci Multiplex PCR Assay;
17个Y-STR位点复合扩增检测在半同胞关系鉴定中的应用
The ultimate refinement of advanced-generation selection is the development of indices which optimize the relative weighting of half-sib full-sib and individual tree performance.
下一代最后的精选,就是制定适合于全同胞、半同胞和单株表现的相对权重的指数。
electron paramagnetic resonance dating
电子顺磁共振年代测定
leadalpha age method
铅-α粒子年代测定法
The rearch of homocysteine-induced vascular smooth muscle cells apoptosis detected by flow cytometry
细胞流式术检测同型半胱氨酸诱导血管平滑肌细胞凋亡的研究
Study on Iterative Target Transformation Factor Analysis Method for the Simulataneous Spectrophotometric Determination of Cu,Zn,Co,Ni and Mn
迭代目标转换因子分析光度法用于铜锌钴镍锰同时测定的研究
Study on Some Respiratory Enzymes Activities in Davidia Seeds and the Total Phenol Content in Different Tissues of Its Fruit;
珙桐种子几种呼吸代谢酶活性及果实不同组织总酚含量测定
Different Sources of Provenance and its Recombinant Inbred Lines of Castanopsis fissa in Huangmian Forest Farm,Guangxi Province
黄冕林场大叶栎不同种源/家系子代林的测定结果研究
Comparison of growth among progeny test young plantations of Chinese fir clones in Western Fujian
闽西不同杉木无性系子代测定林幼林生长的比较
Simultaneous HPLC determination of three sesquiterpenes content in Oleum Curcumae
HPLC同时测定莪术油中3种倍半萜类成分的含量
Simultaneous determination of three sesquiterpene lactones in Radix Linderae by HPLC
HPLC法同时测定乌药中3种倍半萜内酯的含量
Contents of Water-Solwble Extract and Polysaccharide in Pinellia Ternata Derived from Different Harvesst Time
不同采收时间半夏浸出物及粗多糖的含量测定