Xem 1-9 trên 9 kết quả Common cause variation
  • Six Sigma is one of the most important and popular developments in the quality field. It has saved huge amounts of money and improved the customer experience for a large number of organizations across the world, yet it is applied in an inconsistent and often reductive fashion in many companies. This has led to criticism in the literature and a number of abandoned implementations. This study guide is designed to provide an overview of the key elements, important historical context and current debates in the field of Six Sigma. It aims to give a coherent view of the underlying principles,...

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  • Chapter 17 - Process improvement using control charts. After mastering the material in this chapter, you will be able to: Discuss the principles and importance of quality improvement, distinguish between common causes and assignable causes of process variation, sample a process by using rational subgrouping.

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  • Because of improvements in air quality, such deadly air pollution episodes are rare in U.S. cities. Modern research methods have shown, however, that deaths and serious illnesses from common air pollutants still occur at levels well below regulatory standards, and at current levels in New York and most large cities. Local actions to further reduce air pollution will mean changes in policies and behaviors, and will require significant investments in new vehicles and other equipment.

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  • Evolutionary biology and ecology share the goals of describing variation in natural systems and discovering its functional basis. Within this common framework, evolutionary biologists emphasize historical and lineage-dependent processes and hence often incorporate phylogenetic reconstructions and genetic models in their analyses. Ecologists, while cognizant of historical processes, tend to explain variation in terms of the contemporary effects of biotic and abiotic environmental factors.

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  • Harrison's Internal Medicine Chapter 50. Hirsutism and Virilization Hirsutism and Virilization: Introduction Hirsutism, defined as excessive male-pattern hair growth, affects approximately 10% of women. It usually represents a variation of normal hair growth, but rarely it is a harbinger of a serious underlying condition. Hirsutism is often idiopathic but may be caused by conditions associated with androgen excess, such as polycystic ovarian syndrome (PCOS) or congenital adrenal hyperplasia (CAH) (Table 50-1).

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  • Hirsutism, defined as excessive male-pattern hair growth, affects approximately 10% of women. It usually represents a variation of normal hair growth, but rarely it is a harbinger of a serious underlying condition. Hirsutism is often idiopathic but may be caused by conditions associated with androgen excess, such as polycystic ovarian syndrome (PCOS) or congenital adrenal hyperplasia (CAH) (Table 50-1). Cutaneous manifestations commonly associated with hirsutism include acne and male-pattern balding (androgenic alopecia).

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  • TP53is one of the most commonly mutated genes in human tumours. Variations in the types and frequencies of mutations at different tumour sites suggest that they may provide clues to the identity of the causative mutagenic agent. A useful model for studying humanTP53mutagenesis is the partial human TP53knock-in (Hupki) mouse containing exons 4–9 of humanTP53in place of the corresponding mouse exons.

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  • Diagnostic tests by molecular biology is made for studying the relations among Fusarium species for linking production of proteins, degree of relationship and occurrence of malformation. Determination of proteins for isolates causing-disease by SDS-PAGE explained there’s specific band for each fungus and there are common bands among some isolates of fungi. Since, band with MW 30 KDa represented only in F. proliferatum and F. oxysporum and F. subgluti-nans respectively. This band considered as specific band for these isolates, which released high patho-genisity effect.

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  • Despite some clear successes, many countries are still failing to implement the policy and programme changes needed to improve access to affordable medicines. Although the challenges faced differ from country to country, a common problem is a lack of techni- cal capacity to link price data to local policy processes (and so determine the causes of high prices and unexplained price variations) and to identify and prepare suitable lines of response.

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