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61, As the sampling survey is stratified sampling, so the research of the sample rotation is under the stratified sampling.

62, Conclusions— In out patients with previous stroke or transient ischemic attack, the ESRS accurately stratified the risk of recurrent stroke or major vascular events.

63, In the stratified reference model , between the three levels is independent.

64, Stratification is one of the key techniques in stratified sampling investigation and monitoring using remotely sensed data.

65, Methods: With stratified sampling and cluster sampling, we investigate 487 families in poverty.

66, Methods With the method of stratified and cluster sampling, a questionnaire for the specific technicist of prevention and cure of AIDS and a visitation for the leaders in county area were carried out.

67, Methods A questionnaire investigation was carried out among students and their parents of 4 middle schools in Ningbo which were selected with a stratified sampling method.

68, SS-MC introduces stratified sample into state-tree search to solve the reliability evaluation of large-scale problems.

69, Methods A stratified random sampling was conducted among inhabitants with questionnaire and partial health examination in Yunlong district, Xuzhou.

70, The randomization schedule was centrally generated by the study's sponsor[sentencedict.com], stratified by site and by using a fixed block size of 4.

71, Analytical modeling for response of differential probes placed above arbitrary number of parallel nonferrous stratified conductive structures for pulsed eddy current(PEC) testing was studied.

72, A heating scheme of gas-fired radiation combined with stratified forced - draft in large space buildings is forward.

73, Methods A cluster stratified sample of 315 undergraduates were investigated with a closed questionnaire, and 301 questionnaires were available.

74, In each year of the study, 500–600 health facilities providing the BPHS were selected by stratified random sampling in 29 provinces of Afghanistan.

75, Any of numerous hereditary, endogamous social subclasses stratified according to hindu ritual purity.

76, Methods parallel group, stratified randomization, double blinded, muti - center clinical trail was designed.

77, Is there any hope for peace, justice or widespread happiness in a world so ineluctably stratified?

78, Methods:a cluster random stratified sample of 394 medical college students were investigated with a SCL-90 questionnaire.

79, Stratified rock slope mainly develops a group of alternative stratified joint.

80, China has again become a stratified society - just what Mao sought to eliminate.

81, Result:At 8-week embryo, trachea consists of 2-3 layers of stratified columnar cells and mesenchyme around the cells, the reaction of PAS of epithelium was positive.

81, Sentencedict.com is a sentence dictionary, on which you can find nice sentences for a large number of words.

82, During future-spot arbitrage analysis, two different types of index replication method including industry stratified sampling and ETF portfolio replication are investigated.

83, Method Stratified sampling was used in this study, and a self-administered questionnaire was conducted for data collection of personal health status and hospitalizing behavior.

84, Methods Students from 6 high schools in Hangzhou were selected stratified sampling.

85, In practice, seeds should not be stored dry but stratified on removal from the fruit.

86, And even then, it unified a wide range of South Africans who, now that the tournament has ended, don't want to give up the nationalist bonhomie for the income inequality that stratified them before.

87, Randomization was stratified by heart failure etiology, which was a covariate in all models.

88, This paper discusses cluster sampling and stratified cluster sampling in continuous surveys with censuses.

89, Methods:The stratified sampling and cluster random sampling methods are used in this survey.

90, We randomly selected 806 children under 6 years of age from 45 primary anganwadi (childcare) centres in Chandigarh, Punjab, India, that were chosen through multistage stratified random sampling.