1, Instead, random samples, simple or stratified, are taken for the survey.

2, Evidence from tombs suggests a stratified society with three social classes.

3, As an example of such effects we consider stratified flows, which have received particular attention because of their meteorological applications.

4, In a clearly stratified society, the interests of this audience were predominantly defined by class.

5, Quota sampling is like stratified sampling, but with an important variation.

6, The emergence of stratified societies culminating in states increased conspicuous consumption of precious substances.

7, Occasionally closely stratified deposits of debris can be related to production phases and technological activities on the site.

8, I used a stratified sample technique in two stages to ensure an adequate representation of singlehanded and group practices.

9, Although this applies to stratified societies as a class the relative values attached to particular substances varied in space and time.

10, METHOD Using stratified random sampling method.

11, DESIGN: Clustering stratified random sampling, cross- sectional survey.

12, This would be an example of a stratified sample.

13, Methods Stratified chester random sampling.

14, Feudal society was rigidly stratified.

15, Stratified squamous epithelium with beginning surface cornification.

16, DESIGN: A clusting stratified random sampling survey.

17, Methods Stratified random group sampling was adopted in survey.

18, The acoustic inverse problem on a stratified half-space is considered in the time domain.

19, The mucosal epithelium of rectum transforms into stratified squamous epithelium abruptly at the end of the rectum. The boundary line between rectum and cloaca was very distinct.

20, Any of numerous hereditary, endogamous social subclasses stratified according to Hindu ritual purity.

21, It is necessity that stratified sampling is used to investigate to the trees and the new stumps,(http:///stratified.html) and the spatial distributing pattern of the red turpentine beetles was Negative Binomial Distribution.

22, The sample of people questioned was drawn from the university's student register and stratified by age and gender.

23, No differences in mean linear growth velocities were found between males and females or among patients stratified by anatomical localisation of disease.

24, Unlike previous studies comparing elemental diet with corticosteroids, in this trial we have stratified patients according to nutritional state before randomisation.

25, They are thus particularly appropriate for studies of convection and stratified flow.

26, To avoid this possibility, we can opt for a stratified sample.

27, We used Mantel-Haenzel estimates of relative risk and rate ratios for stratified data.

28, But baboons and spider monkeys take for granted the fact that their societies are strictly stratified.

29, Tree - like shape used to evacuate or natural happy stratified two - shaped.

30, For gasoline direct injection(GDI) engines, the fuel is required to be injected into the cylinder near the end of the compression stroke to realize the stratified charge combustion at part load.

1, The sample of people questioned was drawn from the university's student register and stratified by age and gender.

31, Based on the model to calculate mixture loss, a new calculation model of pressure drop for stratified flow in horizontal wellbore has been developed by applying the momentum conservation equation.

32, A simple formula for ray path is derived from the Euler equation in continuous stratified medium.

33, The fourth part is an investigation on the state-of-art of the information-literacy education in the Higher Teacher Education Institutions in Chongqing by adopting stratified random sampling.

34, Methods A total of 310 teachers from 4 middle schools in Huaibei City were selected with stratified random sampling to undergo a survey with teacher job burnout questionnaire(MBI-ES).

35, The result shows that stratified scavenging reduces fuel loss during air exchange greatly lowing the fuel consumption rate and enlarging the air-fuel ratio range.

36, According to the characteristic of equipment and stratified sampling theory, the separate ratio estimator is applied to the appraisal of machinery and equipment.

37, Corneal epithelial cells formed unilaminar and stratified layers and cellular joins.

38, All the possible guided waves to propagate in stratified half-space media are investigated using a bisection method.

39, Methods A questionnaire survey was conducted stratified random sampling among 1689 people in 2 counties.

40, This might be because Yoruba society is highly patriarchal and stratified, producing a lot of social pressure for genetically similar men and women to mate.

41, Methods: The self-designed questionnaires were used to anonymously investigate on 179 students in 19 academies of the university who were selected by stratified random sampling.

42, In this paper, numerical manifold method, a new numerical analysis method,() is used to simulate the toppling failure process of a stratified rock slope.

43, Methods: Using stratified sampling method to determine the survey places, The schistosomiasis in people and livestock were surveyed by the methods of nylon bag incubation and top - tube incubation.

44, At present, the methods of random sampling, systematic sampling and stratified sampling are widely used in remote sensing sampling.

45, Due to piedmont area stratified soil layers are present at the prism excavation depth.

46, Methods Middle School students in Jiangsu Rural Areas were investigated with SCL-90 by stratified sampling.

47, The main principle of selective withdrawing is analyzed and the layout of march-past intake and eclipsed form intake are introduced on the basis of stratified flow theory.

48, The obturated haemocoel was enclosed by the continuous and stratified basement membrane under the coelothelium and endothelial.

49, Based on the main wiring circuit analysis of a typical substation, component failure model is established for substation outage, repairing, and normal working by stratified state enumeration method.

50, The diurnal vertical migration of planktonic Ostracoda is studied based on the analysis of stratified samples of zooplanktons in the IONESS system.

51, Taking the abstraction of geological strata as a starting point, early models had, describes Kim, "a layered or stratified stone ground plane that stepped down with the sloe of the canal."

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

52, Methods Multistage sampling and stratified sampling were used and information was gathered by interview with questionnaires.

53, To further reduce the time pressure for a larger training data set, the algorithm creates a smaller training data set via the primary model based on a stratified sample.

54, As a result, parts of the dust cloud have become stratified, pointing toward Merope.

55, Stratified sampling method was applied to investigate immunization status of ecdemic children and its affecting factors in Baoshan District.

56, Method : By stratified cluster sampling, a retrospective epidemiological survey was conducted on 145 patients who had used Nabumetone in the treatment.

57, Methods With a method of stratified random sampling, a questionnaire survey was conducted among 786 students from 8 middle schools in Beijing.

58, The authors take the students of Gansu Lianhe University as objects of study, using stratified random sampling method taking samples of 1000.

59, Methods Stratified cluster sampling was used to investigate villagers with questionnaire.

60, In a sense, observing the rigidly stratified dress rules is to observe the order and law of the autocratical domination.

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, 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, 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.

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, 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.

121, Methods A self-designed questionnaire survey was used to investigate a cluster stratified sample of 1010 college students.

122, Methods A large - scale survey was conducted at 250 medical health units based on stratified sampling.

123, Single - shot multiwave - multicomponent records are acquired on physical models of homogeneous isotropic stratified and oblique media with both in -line and out-of-line methods.

124, Method Some food processing employees were selected according to stratified random sampling method, and filled in a unified questionnaire anonymously.

125, Methods A cluster stratified sample of 1681 students ham Jianghan University were investigated by SDS.

126, METHOD:63 medical institutes nurses have been investigated by Stratified cluster sampling RESULTS. nurses of medical institutes are scarce and their qualities are low.

127, This theory was verified by the experiment of stratified sampling chemical analysis of silicon carbide material.

128, By using the adaptive digital filtering method, numerical integration of responsing field of the sonde in plane stratified media has been carried out.

129, The corrosion test, impact test and reaction-to-fire test results show that the stratified composite slabs have excellent corrosion resistant, toughness and firer...

130, The accuracy of flow pattern identification of stratified flow, annular flow, core flow and homogeneous flow is more than 95% and the speed of flow pattern identification is less than 0.3s.

131, The sky island Chisos Mountains harbor stratified life zones and endless opportunities to juxtapose harsh desert agave and cacti with delicate floral displays.

132, Two features of folds in stratified rocks that contain strut members invite special attention.

133, Multiple stratified cluster sampling method was used in the Health Service Investigation on residents in Weihai.

134, The propagation of guided waves in stratified half-space media is studied in this paper.

135, A closer view of the stratified mountain peak carved by glaciers.

136, With regularly oriented iron fibers, stratified polycrystalline iron fibers absorbing material shows macroscopic electromagnetic anisotropy.

137, As a common sampling method in modern statistics, stratified sampling attracts much attention in practice. It has higher sampling precision than random sampling.

138, This study is based on a stratified random sampling sur-vey on passengers traveling by Taipei Metro.

139, Methods: According to the principle of stratified proportional sampling, a total of 1605 adult subjects from 17 cities and their surrounding rural areas of China was measured by CWVDT.

140, Only dielectric stratified media will be treated in this section.

141, Methods 1589 third grade pupils sampled from 10 provinces and cities by stratified cluster sampling.

142, Landing gear: the stratified wood landing gear covered with epoxy glass (or epoxy carbon fiber) is much more aerodynamic.

143, Stratified silicate is found to be main reactive component of both of them.

144, Methods Stratified sampling methods were used to carry out the prevalence study of maternity and child care for women at child bearing-age in Luochuan County and Bin County.

145, Though stratified random sampling method is adopted for the arterial and collector functional systems,(http:///stratified.html) there is a good potential to improve it.

146, The results indicated that, at the end of compress stroke, the mixture in cylinder was stratified and richer ignitable mixture was concentrated around the spark plug under the action of the lon...

147, Methods Cluster, stratified and multistage sampling was taken. 1261 residents over 40 years old were assigned to fill in the questionnaires designed by WHO.

148, During the course of cluster sample verification, systematic sampling and stratified sampling"s accuracy are prior to simple random sampling"s.

149, Methods: A randomized prospective pilot study, stratified according to severity, was performed in 30 consecutive patients with acute pancreatitis requiring jejunal nutrition.

150, Method Stratified sampling method, 4185 women from the community in different physiological period, 660 women were randomly selected for the survey.

151, In this study, stratified sampling is used to select samples in Gansu Province.

152, The fuel injector can realize homogeneity and fuel stratified injection in a cylinder, thereby improving the efficiency of the motor and environment conservation.

153, The influencing factors of feat technique in hygiene were investigated in Sichuan with the method of the stratified sampling and the categorical data analysis.

154, Methods General investigation was adopted to understand the water supply situation in rural areas and stratified random sampling was used to monitor the water quality.

155, In general, all free - surface liquid motions are stratified flows.

156, Methods: Using the method of multistage stratified sampling, 3000 people were investigated with "health and health system responsiveness", the questionnaire coming from WHO.

157, Computer ownership and access are highly stratified along lines of weal th, race, education, and geography.

157, try its best to collect and make good sentences.

158, The syllogistical rules may be analyzed into constitutive ones, general ones and educed ones, which are stratified differently.

159, In this paper, we propose a stratified multiobjective geometric programming model for the optimal cultivation in agriculture.

160, Stratified and Rational Distributed Sampling method was recommended to determine the rational sampling quantity of soil nutrients which showed obviously negative frequency distribution.

161, Methods 3034 children between 0 to 6 years in three Gorges reservoir were selected by stratified random sampling method.

162, The paper proposes new separate ratio estimators for population mean using known skewness coefficient of auxiliary variable in stratified random sampling.