نتایج جستجو برای: cleaner development
تعداد نتایج: 1419495 فیلتر نتایج به سال:
Cleaner wrasses are a model for the study of animal cooperation. Prospective clients can observe whether the cleaner works faithfully, and cleaners being watched remove just parasites while those that are not, nip the client for a tastier snack.
Background and study aims Water drop adhesions (WDA) impair endoscopic view during gastrointestinal endoscopy. We developed a novel lens cleaner designed using two types of harmLess surfactants and it is reported to be useful for preventing lens cloudiness during colorectal ESD. In the current study, we examined the ability of it for preventing and removing WDA. Patients and methods During ...
People spend approximately one third of their life sleeping. Exposure to pollutants in the sleep environment often leads to a variety of adverse health effects, such as development and exacerbation of asthma. Avoiding exposure to these pollutants by providing a sufficient air quality in the sleep environment might be a feasible method to alleviate these health symptoms. We performed full-scale ...
Inherent Safety is generally recognised as an important concept in the design of chemical plants. It is, however, often regarded as the sole province of engineers. Inspired by the successful development in the last decade from cleaner technology towards cleaner production, we explored in this research the feasibility of what we call Inherently Safer Production. Four pilot cases were carried out...
High-efficiency particulate air (HEPA) filtered vacuum cleaners are recommended by the U.S. Department of Housing and Urban Development for cleaning lead-contaminated house dust. We performed a randomized field study to determine whether a conventional (non-HEPA) vacuum cleaner could achieve cleaning results comparable with those of a HEPA vacuum cleaner. We compared the lead loading reductions...
This research assesses the environmental and economic benefits and costs of cleaner production projects formulated by smalland medium-sized enterprises (SMEs) participating in a sustainable supply program in Mexico. The program was designed as a public-private voluntary partnership to spur cleaner production dissemination in SMEs that are part of global supply chains. The study analyzes how pro...
Stepping Piezo Actuators (SPA) are long stroke linear piezoelectric actuators able to perform long stroke (typ. >10mm) with an important resolution (typ. <1nm). Use of famous Amplified Piezo Actuator APA gives the motor interesting characteristics, such as useful deformation mode and speed improvement, compared to standard inertial motors. The paper proposes experimental results obtained on var...
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