取样观察

时间取样观察法的优缺点及其适用性问题

Advantages and Disadvantages of Time Sampling and Its Applicability Sampling survey

关于社会行为发展的研究大都采用时间取样观察法。

Studies of social behavior often employ observational sampling called time sampling .

采用事件取样观察的方法，对被试自然发生的同伴冲突进行现场观察（旁观式观察），观察记录儿童同伴冲突的情况，并进行编码、登录。

The method of event sampling observation is taken to conduct a field observation of the spontaneous peer conflict among those subjects , during which various peer-conflict situations are observed , recorded and listed .

通过对比观察不同浓度的碘伏和新洁尔灭消毒纤维胃镜的效果，在消毒方法相同的条件下进行取样观察，当浓度为0.1%时，均无细菌生长；

A contrastive study on the effects of iodophor and bromogeramine on disinfection of gastroscopes was made at a different concentration and in the same disinfection method . When the concentration was 0.1 % , there was no germ growth both inside and outside the gastroscopes .

通过对实际铸件的取样显微观察分析，并利用数值模拟软件FTStar对链轮进行了凝固模拟计算，断定缺陷大多是缩孔和缩松。

Shrinkage cavity and micro shrinkage porosity have been decided to be such defect through sampling from sprocket gear casting and micro examination analysis and application of FT Star in solidification simulation .

在转入的0d、3d、10d、25d、50d天时距根尖2cm处取样，观察根部形态特征及解剖结构，对其根系活力、Imax、Km进行测定。

Sampling was made near by root tip 2 cm on time ( 0 , 3,10 , 25 , 50 days ), when to observed root system morphological character and dissection structure , and determined its root system vigor , Imax , Km .

对0～4龄鲟性腺发育定期活体取样监测观察，发现雌鲟在3龄，肉眼可以观察到卵巢中直径为0.2～0.3mm的白色卵粒，处于卵巢发育的第Ⅱ期。

From the ages of 0 to 4 years , the sturgeon were observed regularly in tissue biopsy . At age of 3 years , the females ' ovaries developed to stage II when white oocytes with diameter at 0.2-0.3 mm appeared obviously by nude eyes .

方法：将度米芬渗透泵片在光照、高温、高湿条件下露置，定时取样，观察样品形态、含量及溶出度。

Methods : ODT was exposed to strong light , high temperature , high moisture of air respectively , and accelerating test was performed .

2007–2008年春、秋季，在高黎贡山赧亢采用焦点动物取样法观察和记录数据。

The gibbons were observed and data were recorded by focal animal sampling method at Nankang of Mt. Gaoligong in spring and autumn from 2007 to 2008 .

野外于2007年–2008年春、秋季以焦点动物取样法观察同一家群（1♀1♂）白眉长臂猿，记录日取食量相关数据。

The family group of Hoolock gibbons ( 1 ♀ 1 ♂) was observed and the data of their daily feeding amount were recorded by the focal animal sampling method in spring and autumn from 2007 to 2008 .

结果表明，上午8：00左右为最佳预处理取样时间，可以观察到近14%的中期分裂相；

The results revealed that the optimal root-sampling time was about 8:00 am at which nearly 14 % of the dividing cells in the metaphase of mitosis could be observed .

采用野外取样和盆栽试验观察相结合的方法，对桂西南不同演替阶段退化植被的土壤种子库进行初步研究。

By the method of sampling in wild field combined with observing potted experiment , soil seed banks of karst degraded vegetation in different succession stages in Southwest Guangxi were studied .

由于根系生长在地下，准确取样、测定、观察存在一定困难，而目前现有的采样方法破坏性大、工作量大，阻碍了根系研究的深入开展。

As the root grows in the ground , there are some difficulties on accurate sampling , measuring and observing , but currently available methods of sampling destructive sampling large , a heavy workload , hinder the depth research of root .