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Context: Nowadays, e-Learning has become essential for the continuing education of health professionals, especially in developing countries. Its introduction in health care settings guarantees better opportunities for disseminating knowledge and skills. Objective: This study aimed to measure the effects of online training “E-learning” on the learning outcomes of nurses in two hospitals in the Casablanca-Settat region with the course “Health planning” as a training theme. Methods: This study is an experimental type, including an experimental group that benefited from online training (B, n2 = 30) and a Control group that benefited from face-to-face training (A, n1 = 30). We used a questionnaire to evaluate the nurses' knowledge (general and procedural) in pre and post-training and a questionnaire to evaluate the nurses' satisfaction with using e-learning in continuing education. Results: The results show a positive effect of online training on nurses' learning through an increase in knowledge (general and procedural) after comparing the average score in pre and post-training (The p-value is less than 0.05). Also, high satisfaction with the content covered, the methodology used in the e-Learning, and the quality of the platform. Conclusion: These results should encourage and motivate those responsible for continuing education to adopt online training as a complementary and promising solution to ensure flexible and continuous continuing education sessions for healthcare personnel.

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A copper sodium triphosphate CuNa 3 P 3 O 10 •12H 2 O already known has been prepared by the method of ion exchange resin of aqueous chemistry and studied by X-Ray diffraction, thermal analyses (TGA-DTA), differential scanning calorimetry (DSC) and infrared spectrometry which show the characteristic bands of a triphosphate P 3 O 10 5-. The results of differential thermal analysis, X-Ray powder diffraction and IR spectra of the compound heated at different temperatures showed that, after dehydration, CuNa 3 P 3 O 10 •12H 2 O decomposes into an amorphous compound, then it crystallizes at 500°C in order to give the new triphosphate CuNa 3 P 3 O 10. CuNa 3 P 3 O 10 crystallizes in the rhomboedric system, space group P-3 1 c, Z = 2 with the following unit-cell dimensions: a = b = 7.022(1)Å, c = 9.217(1)Å, M(20) = 81, F(20) = 117 (0.003419; 50) and V = 393,59(2)Å 3. CuNa 3 P 3 O 10 is stable until its melting point at 560°C. Two different methods Ozawa and KAS have been selected in studying the kinetics of thermal behavior of the triphosphate P 3 O 10 for the first time. The kinetic and thermodynamic characteristics of the dehydration of CuNa 3 P 3 O 10 •12H 2 O and the thermal phenomena accompanying this dehydration were determinated and discussed on the basis of the proposed crystalline structure. Quantum chemical calculations have been made for the first time for the P 3 O 10 5ion.