查询词典 sampling methods

Discussing some problem such as selection of the input and output, sampling frequency, testing signal and pretreatment of data in detail, tabling a proposal of methods of collecting necessary information for characteristic of process .

详细讨论了诸如输入输出的选择、采样频率、测试信号和数据预处理等问题，提出了适于收集过程特性必要信息的实验方法。

Methods Ninety elective patients undergoing general anesthesia for hysterectomy were randomly assigned to two equal groups. GroupⅡreceived endotracheal intubation protected by sterilized transparent sleeve while groupⅠcorrespondingly adopted unprotective classical endotracheal intubation. Endotracheal swab sampling and bacterial counting were performed on the principle of aseptic processing before endotracheal intubation and extubation, respectively.

90例在全身麻醉下行择期全子宫切除术的患者随机分为两组，每组45例，Ⅰ组采用传统的气管插管操作方法，Ⅱ组采用无菌透明隔离套保护的气管插管操作方法，在气管插管前和拔管前分别按照无菌操作原则实施气管内试子取样，进行菌落计数。

Methods Multi-stage stratified random sampling was used, and the combination of centralizing investigation and enter-household investigation were used to collect data.

方法采用多阶段分层随机抽样的方法确定调查样本，以集中调查和入户调查相结合的方式收集数据。

On the basis of imaging distance, SLM's physical microstructure and Fresnel diffracting condition, the holographic sampling, calculating and coding methods have been designed.

论文摘要：文章探讨了面向空间光调制器的三维全息编码方法，以数字微镜器件为空间光调制器，利用截面叠加合成全息图的方法，分析了成像距离与会聚透镜焦距等参数之间的关系，根据成像距离、SLM像素结构和Fresnel衍射条件，设计了全息抽样、计算和编码方法。

Methods:Twenty-four patients with CTD during the corticosteroid therapy suspected of pulmonary infections according to the clinical manifestations and X-ray features were enrolled into the study of etiological sampling via FB randomly and prospectively.Etiological diagnosis via common expectorated sputum from 20 of them was designed as self control group.

对确诊为结缔组织疾病且应用糖皮质激素治疗，临床症状及胸部X线表现拟诊为肺部感染24例，采用随机前瞻性的经FB病原学采样研究，同时对其中的20例行普通咳痰病原学采样诊断的对比观察。

Vena orbitalis posterior plexus blood collection method, Exsanguinated before the inferior vena cava blood(Around the trachea to the needle into the subclavian), cardiac puncture blood collection methods(To the left oblique line to the right into the needle enter the subcutaneous on the fourth and firth rib), femoral artery and venous blood sampling means(enter injector orientation to heart proximal femoral artery and venous in 1～3 mm) and tail end approach were used in 5 groups respectively.

眼眶后静脉丛的采血法，前腔静脉采血（靠近气管至锁骨窝处进针），心脏穿刺采血法（倒数第4～5肋间刺入），股动静脉采血法（在股动静脉处向心端1～3mm处为最佳穿刺点）和尾尖采血方法。

Focal sampling and tap record methods were used to observe behaviour of Blood Pheasant and then analysed the behavioural total duration and ferquency.

采用聚焦取样，口述录音的方法，观察、记录了9种血雉的行为，分析其行为发生频次及总持续时间。

Methods Stratified random cluster sampling was applied to conduct the investigation and filter blood spot was collected and examined.

方法采用分层随机整群抽样，开展居民个案调查，同时采集滤纸血滴。

In 2007 and 2008, the behavioral characteristics of breeding pairs of Blue-Eared pheasant was studied by the methods of scan sampling in Zecha forest, Gansu.

2007年和2008年采用瞬时扫描取样法在甘南州则岔林区对蓝马鸡配对期行为做了观察。

Methods Collected VOCs in indoor air by active carbon sampling cuvette, then separated VOCs by OV-1 capillary pillar after carbon disulphide desorption.

室内空气中VOCs经活性炭采样管采样，二硫化碳解吸后用气相色谱法分离、测定。

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。