- Bedoelde u
- more systems
Zoekresultaten - 4 results
Analysis of glyphosate residue in liver by UPLC-MS/MS
derivatization with FMOC and injected on a UHPLC- MS / MS system in ESI + mode.Due to the derivatization, the polarity of glyphosate is reduced, which allows us the injection on a C18 column. The elution is ...
Determination of French influenza outbreaks periods between 1985 and 2011 through a web-based Delphi method33975
illnesses im Impact improve incidence Incidence rate INFLUENZA International IS journal LEVEL measure method methods Mode MODEL models national Network Objective observed ON Order outbreak outbreaks paris ...
Effect of household and industrial processing on the levels of pesticide residues and degradation products in melons.
could not be fully explained by the systemic character of the pesticides. However, the agricultural practices (time of application), solubility and mode of action (systemic versus contact pesticide) of ...
Unit Response and Costs in Web Versus Face-To-Face Data Collection: Comparison of Two Cross-sectional Health Surveys.
Logistic regression analyses examined the association between mode system and sociodemographic characteristics for unit nonresponse. The costs per completed web questionnaire were compared with the costs for ...