预试验指在进行未知物检测时,通过直接观察检材的外观、气味等性状,或者进行些如pH值检测、变色反应等简单的化学反应,或者进行动物毒性试验等,初步探索检验方向,为检验方案的设计提供依据的过程。预试验多用于体外检材,较少用于体内检材物。如果检测目标明确,则无需进行预试验。
预试验(preliminary test) 预试验( :要从大量可疑血痕中筛除不是血痕的检材。血痕中的血红蛋白或正铁血红素具有过氧化物 ) : 酶活性, 能使过氧化氢分...
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... Short treatment 短期处理 Sighting studies 预试验 Single dose(acute)toxicity 单剂量(急性)毒性 ...
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多危险因素干预试验 MRFIT ; multiple risk factor intervention trial
干预试验 Intervention trial ; multiple risk factor intervention trial ; MRFIT
多重危险因素干预试验 MRFIT
系统预试验 systemic preparative test
软骨素关节炎干预试验 GAIT
多种危险因素干预试验 MRFIT ; MRIFT ; Multiple Risk Factor Intervention Trial
骨折干预试验 Fracture Intervention Trial
危险因素干预试验 multiple risk factor intervention trial ; MRFTT
内部预试验设计 internal pilot design
Results:Effect-On-Trial:55cases were selected and 51cases with 102 knees have complete information.
结果:1、预试验:入选55人,51例共102膝资料完整。
参考来源 - 改良双柏散外敷治疗膝关节急性创伤性滑膜炎的临床研究Pilot study in 35 clients, in general showed good enough test-retest reliability of the composite scores (CSs) of ASI-C with an interval of seven days.
35人的预试验结果显示了较好的重测信度(两次间隔7天)。
参考来源 - 贵州海洛因成瘾者在社区美沙酮维持治疗中的保持及其影响因素·2,447,543篇论文数据,部分数据来源于NoteExpress
方法应用性状、显微及理化预试验方法。
Methods The methods of character identification, microscopic identification, physical and chemical identification were applied.
所有表格都应该用要回顾的研究的代表性样本进行预试验。
All forms should be pilot tested using a representative sample of the studies to be reviewed.
预试验完成和表格校订后,有时数据收集表的问题会暴露出来。
Problems with the data collection form will occasionally surface after pilot testing has been completed and the form has been revised.
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