Common cause variation

Xem 1-19 trên 19 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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  • The presence of salts in soil is a common phenomenon. However, the extent of salts in a soil is determined by soil type and the prevailing regional climate. The seasonal rainfall and irrigation practices will alter the salt dynamics. A study was conducted in a small area of the country’s largest micro-irrigation project – Ramthal Micro Irrigation Project of UKP command. About 500 ha of the project area with about 25 m elevation was covered and assessed for sodification risks. The sodicity indices viz.

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  • Scrub typhus is a bacterial zoonosis caused by Orientia tsutsugamushi. Timely diagnosis is necessary as the disease presents with varied signs, symptoms and may progresses to multiorgan dysfunction syndrome. Scrub typhus shows wide antigenic variation, one of the methods for its detection is IFA. There is scarcity of data regarding antigenic variations of Orientia tsutsugamushi which is of importance in our country. About 100 serum samples were collected from patients who had fever for > 7days (excluding other causes of fever).

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  • Cardiac arrests remain leading causes of deaths for thousands of people annually. One of the most common methods for cardiac arrest treatment is cardiopulmonary resuscitation (CPR) that provides chest compressions. It has been shown that the quality of chest compression is considered as one of key indicators for assessment of CPR performance. In this paper, we present an approach for CPR quality evaluation using ECG contaminated with CPR artifact and thoracic impedance.

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  • Prostate cancer (PCa) is the most common diagnosed malignancy and the second leading cause of cancer-related deaths among men in the United States. High-throughput genotyping has enabled discovery of germline genetic susceptibility variants (herein referred to as germline mutations) associated with an increased risk of developing PCa.

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  • Ulnar neuropathy is a common reason for referral to hand surgeons, and 10 to 30% of cubital tunnel syndrome (CuTS) is idiopathic. We hypothesized that the cause of idiopathic CuTS is in the bony structure.

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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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  • Endophytes are the organisms that live within plant tissues and spend at least a half of their life time without causing disease under any circumstances. So, the endophytes are commonly defined as those organisms whose infections are inconspicuous and symptomless in host tissue and internal microbial colonization. Both prokaryote (bacteria) and eukaryotes (fungi) colonize the plant tissues exhibiting a little variation in their colonization mode. The former colonize intracellularly in vascular tissues and the later shows asymptomatic colonization either inter or intracellularly.

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  • The presence of Escherichia coli (EC) microorganisms in live organs can cause foodborne illnesses and food-related deaths. Here, EC assay was performed using a microcopper three-electrode (MCE) system, where a handmade MCE was used as a working electrode and Ag/AgCl as reference and platinum counter electrodes. Under a 1.0-ml EC standard, the diagnostic optimum conditions were sought. The analytical oxidation potential was obtained at -0.2 V via positive scan. Under these conditions, the stripping linear working range was attained with 0.2-0.7 mg/mL EC variations.

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  • Urinary tract infection is one of the most common bacterial infections especially in developing countries. It shows lot of regional variation in causative pathogens and antimicrobial susceptibility pattern. Hence requires regular regionwise surveillance. Urine samples received at microbiology laboratory from patients with symptomatology of urinary tract infection were included in the study. All the samples were processed according to standard protocol, identification and antibiotic susceptibility testing was done.

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  • Variation in the reaction wood (RW) response has been shown to be a principle component driving differences in lignocellulosic sugar yield from the bioenergy crop willow. The phenotypic cause(s) behind these differences in sugar yield, beyond their common elicitor, however, remain unclear.

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  • Small insertion and deletion polymorphisms (Indels) are the second most common mutations in the human genome, after Single Nucleotide Polymorphisms (SNPs). Recent studies have shown that they have significant influence on genetic variation by altering human traits and can cause multiple human diseases.

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