مطالب

Measurement of soil moisture and control of irrigation according to the measured data is crucial in agriculture fields where water scarcity is always a serious issue. For this purpose, a cost-effective distributive network system has been proposed and developed using technology like IoT to control complex irrigation processes. An internet-enabled embedded moisture sensing unit was designed that consists of a capacitive sensor probe and electronic system to process the soil moisture value. The sensor probe was calibrated for six different varieties of soil using the Thermo gravimetric method. The output response is inspiring, with a goodness of fit value of 0.99. Algorithms are developed for irrigation control that operates by a developed web-based application from the control station. The system was implemented at a total cost of 122.37 US dollars and tested in cassava agriculture field for loam soil in Nagaland, India, for 91 days and showed magnificent water saving of up to 95% compared with traditional approaches.

The current research was conducted with the aim of providing a model of international strategic business renewal in the country's pharmaceutical industry in a combined manner in two qualitative and quantitative phases. In the first phase, the research data was obtained from in-depth and semi-structured interviews with 18 subject matter experts, including entrepreneurs, managers, and senior experts in the pharmaceutical industry in Tehran province, which was based on purposeful sampling dependent on the selection criteria and until reaching the theoretical saturation of this process continued. The validity of the research data was checked and confirmed by going back to the participants and external auditors. Data analysis was done based on the Strauss and Corbin model in the form of open, axial, and selective coding in the Atlas TI8 software. The results of the research showed that entrepreneurial, organizational, managerial, environmental, marketing, international strategy, lean supply chain, social component, organizational performance, and financial performance components are important in designing the international strategic renewal model of pharmaceutical industry businesses. In the second phase of the research, according to the managers and experts of the Ministry of Privacy, there were 681 elites of the Ministry of Privacy, of which 248 research samples were identified using Morgan's sample size table; The tool for collecting information in this section was a researcher-made questionnaire in a five-point Likert spectrum; In order to estimate the validity of the questionnaire, content validity was used using the CVR method and confirmatory factor analysis; Also, the reliability of the tool was estimated to be higher than 0.7 through Cronbach's alpha. The results showed that causal conditions with (0.39), contextual conditions with (0.55), and intervening conditions with (0.34) have an effect on strategies, and strategies have an effect on outcomes with (0.85).

Objective:  The present study was conducted to explain the lived experience of patient’s families with Covid-19 that admitted to the hospital.Methods: The present qualitative study was based on a hermeneutic phenomenological approach. The population included the patient’s families with Covid-19 admitted to the Imam Khomeini Hospital in Tehran during 2021-2022. After the initial investigation, 16 patient’s family’s members were selected through purposive sampling method. Data collection was done through in-depth and semi-structured interviews. The data were analyzed following the method proposed by Diekelman et al. (1989). As for data management, Software MAXQDA version 10 was used.Results: Thirteen participants were female and 3 were male with a mean age of 31 years. The five main themes along with their sub themes were identified: “in the turbulent of the disease”, “emotional fluctuation”, “living with perception of loneliness”, “a flash of hope” and “in search of compatibility”.Conclusion:  The families of patients with Covid-19 admitted to the hospital appear to be experiencing a number of challenges. Nurse and treatment team can provide support for patient’s family and also, they can play an effective role in preventing adverse complications.