How to motivate students to do a course project in design of experiments course from a web-based virtual learning material?

Purpose The purpose of this study is to develop a practical method for training students how to conduct statistical analysis and do a course project in design of experiments (DOEs) course through the Web-based virtual catapult simulation. Design/methodology/approach A step-by-step sequential DOE process for investigating the effects of controllable factors on quality characteristic responses was presented as a guideline for conducting a DOE course project. Each team was assigned to create an innovative teaching material and work on the term report by following the recommended guidelines for designing experiments through the Web-based virtual catapult simulation. Hypothesis was defined to test whether doing a course project based on this approach would impact students’ learning outcome. Findings The Web-based virtual material was an alternative technique for interactive teaching that could improve students’ understanding and achievement in DOE course projects. There was a significant difference in student learning and understanding before and after doing on the course project through the Web-based virtual catapult simulation. The students had improved communication and teamwork skills after following the recommended procedure for practicing DOEs. Practical implications Most students could effectively conduct designing experiments, carry out designed experiments, analyze data and gain valuable teamwork experience. After learning the DOE approach based on the catapult simulation, they enjoyed working on their course projects deploying to the innovative toys and other real-life situations with real measurements. Originality/value The use of Web-based virtual material, including catapult simulation, was an alternative technique for interactive DOE teaching to improve the students’ understanding and achievement in DOE course projects.

An Alternative Approach for a High Partially Anomalous Pulmonary Venous Connection to the Superior Vena Cava: “A Drawbridge Technique”

We present an alternative technique for the repair of a high partially anomalous pulmonary venous connection to the superior vena cava.

Worrisome Exaggeration of Activity of Electrocatalysts Destined for Steady-State Water Electrolysis by Polarization Curves from Transient Techniques

Cyclic and linear sweep voltammetry techniques substantially misjudge the performance of water splitting electrocatalysts due to their transient nature that forbids the interface from reaching a steady-state. This misjudgment leads to the potentially detrimental yet unwittingly falsified data accumulation in the literature that requires immediate attention. Alternatively, sampled-current voltammetry (SCV) constructed from steady-state responses is advised to be widely adopted for screening electrocatalysts that are actually destined for steady-state operations. To show that this exaggeration is universal, a well-characterized activated SS, coprecipitated Co(OH)2, and Pt foil electrodes are studied for OER and HER in 1.0 M KOH. The results urge that it is time to adopt a relatively more precise alternative technique such as SCV.

Combined use of laparoscopy and hysteroscopy in the treatment of female infertility

The experience of combined application of hysteroscopy and laparoscopy in treatment of infertile women is analyzed. An alternative technique of treating occlusion of the uterine tubes with the method of their transcervical recanalization using ureteral catheter is represented. The statement is made about the perspectives of applying combined hysteroscopy and laparoscopy in treatment of patients with infertility.

Standing Intraoral Extraction of the Right Mandibular Third Molar Tooth in a Cow Utilizing Tooth Sectioning

A 2-year-old Holstein heifer presented to a university teaching hospital with an apical tooth infection of the right mandibular third molar. A standing oral extraction technique was attempted for tooth removal; however, the molar could not be delivered intact. A tooth sectioning technique was performed, and the affected molar was successfully delivered. Three months postextraction, the heifer had fully recovered, and the extraction site had healed. To the authors’ knowledge, this is the first description of a tooth extraction in a cow using a tooth sectioning technique. This case describes an alternative technique for tooth removal in cattle with an apical tooth infection. The clinical, diagnostic, and therapeutic features of this case may be helpful to clinicians when they approach similar cases in the future.

BIOREMEDIATION: THE ECO-FRIENDLY SOLUTION TO THE HAZARDOUS PROBLEM OF ENVIRONMENTAL POLLUTION

Bioremediation is a technique to enhance natural biological processes to rectify polluted groundwater, soil, and even entire habitats. Bioremediation techniques use biological agents to act upon hazardous, toxic materials and subsequently convert them into less toxic substances. Microbes are organisms ubiquitously present in the biosphere. These microorganisms are the main agents that remediate toxic and polluted environmental conditions. Highly polluted areas can be rectified using proper bioremediation procedures and interventions. In this review we have studied the different bioremediation techniques which can be utilized to correct the harmful effects of environmental pollution. In this study we have also emphasized on the benefits of adopting bioremediation as an efficient alternative technique in comparison to the traditional physical and chemical methods to restore the healthy environmental conditions.

Percutaneous Transluminal Angioplasty in Chronic Total Subclavian Venous Stenosis Using Coronary Guidewire: A Case Report

Arteriovenous fistula is the best permanent vascular access for hemodialysis (HD). However, in our country, HD catheter in jugular or subclavian vein is more commonly found because our patients prefer to hold HD until the complications are unbearable. The catheter increases risk of venous stenosis on site and in surrounding vessels, resulting in access loss. Percutaneous transluminal angioplasty (PTA), combined with stent deployment, can be utilized as main treatment for such stenosis in subclavian vein. This method dated back to two decades ago with high success rate. Nevertheless, reports or studies of angioplasty in total occlusion are scarce, mainly because of lower success rate and the need of smaller penetrating wire. We describe our experience in performing PTA and stent deployment using coronary wire to penetrate total occlusion in subclavian venous stenosis after vein cannulation. We hope that we can give an alternative technique to avoid surgery in such cases.

Visualizing Agbogbloshie and Re-envisioning E-Waste Anthropology

Chapter 5 engages a critical discussion of the visual economy of e-waste ruination in Agbogbloshie. It explores how, through ethnographic research in general and participatory photography in particular, images make meaning and shape e-waste imaginations. Circulating e-waste images of Agbogbloshie, the author argues, expose the power and utility of e-pyropolitical imagery to make, tell, and even distort and mystify life in Ghana’s e-wasteland. The chapter interrogates the e-pyropolitical gaze conditioning how digital rubble and toxic colonialism are seen. Countering the e-waste “crisis of representation” in Agbogbloshie, the author considers the possible role of participatory photography as an alternative technique of e-waste visualization, in addition to considering the ways in which these worker-based forms of witnessing e-waste can help justify and provide a methodological grounding for the very decolonization of e-waste studies in Ghana in particular.