查询词典 sampling methods

Methods According to the random sampling, 100 foot-bath massagists were selected from 30 foot-bath saloons in Changning District, the analysis suggested that hygienic conditions in beauty parlors took a turn for the better, and at the same time, those who work in beauty parlors began to apply hygienic knowledge to their routine duties after the multiple interference.

方法采用随机抽样方法，从长宁区30家足浴房随机抽取100名足浴按摩师进行综合干预，并对他们的卫生知识知晓率及卫生行为合格率作干预前后比较。

Methods By using sampling investigation, three countries were selected in Yan'an, pupils' thyroids were examined by palpation and B-ultrasonograph; pupils and women were determined of their urinary iodine and the iodine salt in families; the students in the fifth grade and women of childbearing age and examined 6 ～ 14 year-old pupils'IQ.

用抽样调查的方法随机抽取了延安市3县，触诊和B超检查甲状腺情况，测定小学生及育龄期妇女尿碘，测定用户家中食用盐碘含量，对5年级学生及育龄期妇女进行问卷调查，测试6～14岁学生智商。

Methods: From June to December, 2007, sampling and monitoring all levels' medical institutions including indoor air, surface of object, the medical staff hands, using disinfectants and sterilization of medical items, according to "Hospital Disinfection Hygiene Standards" and "Technical Rules of Disinfection" in all district.

2007年6~12月对全区各级医疗机构的室内空气、物体表面、医护人员双手、使用中消毒剂、灭菌医疗用品等按《医院消毒卫生标准》及《消毒技术规范》进行了采样和监测。

Methods With multi-stage stratified random cluster sampling, 3835 persons were selected for observation from 145 608 coal mine employees on the list.

采取多阶段分层随机整群抽样方法从某煤矿集团145608名在册员工中抽取3835人为观察对象，进行问卷调查，现场测量血压、身高、体重、腰围及检验血糖、血脂。

Methods randoms sampling method was used and the participants were interviewed by trained health workers under a structured questionnaire.

采用随机抽样的流行病学调查方法进行问卷调查，并对调查人群（392人）测定空腹血糖、血脂、体重指数、血压等，运用CDS标准（2004年）MS定义对资料进行分析。

Two methods( moment estimator ,bootstrap estimator) are presented for estimating the number of rare species by the sampling of quadrats.

利用矩估计和一个稳健估计方法来处理植物学家在林地的地面植被群落调查数据。

The insects were surveyed in 100 m×100 m quadrats and caught by sampling frame and net-trap methods. The insects number was recorded and samples were collected for indoor identification.

昆虫的调查采用100m×100m的样方，利用样筐和网捕法收集昆虫，记录昆虫数量，采集标本在室内进行鉴定。

Methods: The investigation was made among 5204 persons of 1798 households in 3 city propers of Hebei Province by Cluster and stratified sampling method.

本次调查采用多阶段分层整群抽样的方法，共抽取了全省样本地区3个城区(分别是石家庄市长安区、唐山市路北区、张家口市桥东区)，共调查住户1798户，调查人口5204人。

Methods: People (age 18～69) from the six national minorities were investigated through sam- pling by adopting current sociology, anthropology, the method of delaminating cluster sampling in statisti- cal method and the test system on scientific literacy made by the scientific associa...

采用国际通用的社会学、人类学和统计学方法分层整群抽样方法和中国科协制定的科学素养测试体系和问卷模式，对布依族、苗族、侗族、水族、瑶族和毛南族6种少数民族18～69岁成年人进行抽样调查。

Methods: Cluster sampling was used in randomly selected individualsaged(?50 yearsin the southern rural area of Heilongjiang.After the pre-experiment uniform standard was completed,5058 individuals(91%)were received visual acuity test and eye examination.

采用整群随机抽样方法将黑龙江省南部农村人口按一定的标准划分成抽样单位，两组人员通过预实验统一标准后对年龄？

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。