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Infertility affects approximately 15% of couples of reproductive age. High live birth rates rely on many advanced technologies in infertility treatment, including more accurate clinical diagnosis and patient management as well as state-of-the-art in vitro fertilization (IVF) technologies. This book discusses infertility and infertility treatments such as embryo implantation, non-invasive preimplantation genetic diagnosis (PGT), oocyte cryopreservation, cryopreservation of small numbers of sperm, and embryo culture technologies. It delivers new information and data valuable to clinicians, embryologists, and others in infertility treatment.
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
This is an open access book.Management science aims to study the dynamic study of human use of limited resources in management activities to achieve organizational goals: complex and innovative social behavior and its laws. And engineering management refers to the management of important and complex new products, equipment and devices in the process of development, manufacturing and production, and also includes the study and management of technological innovation, technological transformation, transformation, transformation, layout and strategy of industrial engineering technology development. The development or breakthrough of management theory is accompanied by the development and progres...
The most fashionable Cultivation Methods setting, the most dazzling and cool scene of a battle. Everything was in The Carefree Lord ! A new book, "Peerless Genius Immortal Record".
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The world is wrought with risks that may harm people and cost lives. The news is riddled with reports of natural disasters (wildfires, floods, earthquakes, hurricanes), industrial disasters (chemical spills, water and air pollution), and health pandemics (e.g., SARS, H1NI, COVID19). Effective risk communication is critical to mitigating harms. The body of research in this handbook reveals the challenges of communicating such messages, affirms the need for dialogue, embraces the role of instruction in proactively communicating risk, acknowledges the function of competing risk messages, investigates the growing influence of new media, and constantly reconsiders the ethical imperative for communicating recommendations for enhanced safety.
This document specifies the technical requirements, test methods, inspection rules for high-voltage contactors for electric vehicles. This document applies to high-voltage contactors for electric vehicles (hereinafter referred to as contactors), which has a rated DC operating voltage of the main contacts in the range of 60 V ~ 1500 V. This document does not apply to AC contactors for electric vehicles.