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91, Methods A questionnaire survey was conducted to a clustered stratified sample of 1 785 children in Qingdao.

92, We then collected samples of soils and sediments for analysis at random points within ecotope features selected by a regionally-weighted stratified sampling design.

93, A market is often stratified and unidimensional, and many such stratified unidimensional markets put together make a multi dimensional market.

94, Methods A questionnaire survey on QOL was conducted to a clustered stratified sample of 2036 students of rural or urban to Hubei.

95, Methods: The number of samples was calculated with the optimum allocation stratified random sampling survey.

96, The results showed that the cloacal epithelium of duck was stratified squamous epithelium. There was no goblet cell between epithelial cells, and no villus at the mucosal surface.

97, In order to effectively achieve the stratified water, first of all to have a hierarchical set of injection molding technology, but also a guarantee that the technology means to achieve the test.

98, In this paper, the estimation of prevalence and it's variance calculating are discussed when clustering sampling, multistage sampling and stratified sampling being used simultaneously.

99, Stratified by sex, age, history of smoking and pathology: male, age between 40 and 70 and without smoking carrying with G/C or G/G will have decreased susceptibility to lung cancer.

100, Due to a stably stratified fluid and an extremely high electrical conductivity in the solar interior, a relic solar magnetic field can survive for a very long time.

101, Methods We interviewed 7302 families by using stratified multistage sampling in 40 counties of 5 provinces in western China.

102, Is there any hope for peace, justice or widespread happiness in a world so ineluctably stratified? The prospects aren't nearly as grim as all these findings suggest.

103, The method can be used to prepare stratified nodular or condyle-shaped or torose titanium dioxide nano-tube films; and the internal surface of the tube between two adjacent nodes is curved.

104, Recent excavations have revealed two main Neolithic cultures lying in stratified sequence.

105, Methods cluster multi - stratified sample of 1721 undergraduates was investigated with a half - opened questionnaire.

106, The sweat glands-like structure expressed both CEA and CK18, the stratum basale of keratinized stratified squamous epithelium wase CK19 and CK10 positive.

107, The author discussed the properties of stratified functor and gave a discrimination which two modules are isomorphic.

108, India's stratified society has always been easier to govern than to change.

109, The mucosa of the tongue contains a keratinized stratified squamous epithelium and a lamina propria, but no muscularis mucosa.

110, Methods:Totally 1000 nurses were investigated with a self designed questionnaire using stratified random sampling.

111, Methods A cluster random stratified sample of 404 medical college students were investigated with a self-administered questionnaire.

111, Sentencedict.com try its best to collect and create good sentences.

112, A twisted spined product structure of a stratified band of monoids is given. By using this structure, a spined product structure of a proper band of monoids is obtained.

113, The paper compares the three kinds of methods and, according to the characteristics of watt-hour meter in use stratified sampling, considers Neyman allocation as the appropriate method.

114, After a winter period, the effects of seed shell and seed coat on the breathing of stratified seeds and unstratified seeds were tested.

115, Also the results showed that the Stratified Random ClusterSampling is an adequate sampling method for the genetic variation analysis of yellow cattle population.

116, Adopts stratified air conditioning mode with ejector nozzle air supply outlets for this large space building.

117, This paper presents a new radiation imaging method - random array stratified imaging.

118, Histologically, dentigerous cysts are lined by stratified squamous nonkeratinizing epithelium.

119, Methods Two-stage stratified random cluster sampling was used to select one large city(Shenzhen), one moderate city(Zhuhai), one 1st class rural county(Xinxing), one 2nd class rural county(Lianping).

120, The impedance function of the end bearing pile in stratified soil has been obtained by the method of transfer matrix according to the theory of continuous medium mechanics.