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Superplasticizers allow reduction in water content by 30% or more. These additives are employed at the level of a few weight percent. Plasticizers and superplasticizers also retard the setting and hardening of concrete. [1] According to their dispersing functionality and action mode, one distinguishes two classes of superplasticizers:
The Common Rule is a 1991 rule of ethics (revised in 2018) [2] regarding biomedical and behavioral research involving human subjects in the United States.The regulations governing Institutional Review Boards for oversight of human research followed the 1975 revision of the Declaration of Helsinki, and are encapsulated in the 1991 revision to the U.S. Department of Health and Human Services ...
PVC, used extensively in sewage pipes, is only useful because of plasticizers. [1]A plasticizer (UK: plasticiser) is a substance that is added to a material to make it softer and more flexible, to increase its plasticity, to decrease its viscosity, and/or to decrease friction during its handling in manufacture.
Utilitarian bioethics refers to the branch of bioethics that incorporates principles of utilitarianism to directing practices and resources where they will have the most usefulness and highest likelihood to produce happiness, in regards to medicine, health, and medical or biological research.
Medical ethics is an applied branch of ethics which analyzes the practice of clinical medicine and related scientific research. [1] Medical ethics is based on a set of values that professionals can refer to in the case of any confusion or conflict. These values include the respect for autonomy, non-maleficence, beneficence, and justice. [2]
Soliant Health, a health care job search site based in Georgia, analyzed 2024 Google search data to identify popular questions from each state, as well as a few of the most generally Googled ...
Thomas Percival FRS FRSE FSA (29 September 1740 – 30 August 1804) was an English physician, health reformer, ethicist and author who wrote an early code of medical ethics.
This strong market position generates substantial cash flows that support shareholder returns. Turning to the specifics, the pharmaceutical giant offers investors a 4.3% dividend yield backed by a ...