These are cases in which a worker is infected with HIV and has a history of occupational exposure, but did not have a test immediately before and after the possible exposure.
以下是某些具有职业接触史，并感染了HIV病毒的工作人员的病例，但他们在可能受感染的接触之前和之后都没有立即进行检测。
Objective To test the reliability and the validity of the Chinese version of Loewenstein Occupational Therapy Cognitive Assessment (LOTCA) (2nd Edition).
目的测试洛文斯顿作业疗法认知评定（LOTCA）量表（第2版）中文译文的信度和内在效度。
The goal of the present research is to test effect of feedback on implicit occupational stereotype, explore operational mechanism of the effect, and confirm the third opinion.
本文想通过引入情景变量中的反馈来探讨他们对职业刻板印象的影响，进一步探讨这种现象的加工机制，并验证第三种观点。
Objective To test reliability and validity of occupational stress inventory revised edition(OSI R).
目的对职业紧张量表（OSIR）的信度和效度进行验证。
Methods The harmful levels of occupational hazards and the effect of protective measures were evaluated by field occupational health survey, engineering analysis, detection and test.
方法采用现场职业卫生调查、工程分析、检测检验等方法，评价其职业病危害程度和防护措施效果。
Finally, comet assay, micronucleus and chromosomal aberration test were used to study and estimate the genetic damage effect of lead on occupational exposure workers.
第三部分，采用彗星试验、微核试验和染色体畸变试验检测和评估职业接触铅人群的遗传损伤效应。
Objective: To determine the occupational aptitude test indexes systems of boiler by studying on the screened indexes.
目的：通过指标筛选研究确定锅炉司炉作业人员职业适性检测指标体系。
Objective: To determine the occupational aptitude test indexes systems of boiler by studying on the screened indexes.
目的：通过指标筛选研究确定锅炉司炉作业人员职业适性检测指标体系。
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