Mechanical improvement

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  • In the present paper we derive improved approximations for the Rayleigh wave velocity in the interval ν ∈ [−1, 0.5] using the method of least squares. In particular: (i) We create approximate polynomials of order 4, 5, 6 whose maximum percentage errors are 0.035 %, 0.015 %, 0.0083 %, respectively. (2i) Improved approximations in the form of the inverse of polynomials of order 3, 5 are also established

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  • In the four years since the first edition of Enzymes was published, I have been delighted to learn of the wide acceptance of the book throughout the biochemical community, and particularly in the pharmaceutical community. During this time a number of colleagues have contacted me to express their views on the value of the text, and importantly to make suggestions for improvements to the content and presentation of some concepts. I have used the first edition as a teaching supplement for a course in which I lecture at the University of Pennsylvania School of...

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  • Mechanisms of salt tolerance in halophytes: can crop plants resistance to salinity be improved? High concentrations of sodium are toxic to most plant species, making soil salinity a major abiotic stress in plant productivity world wide. Many crop species, which countless people rely for survival, are negatively affected.

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  • Fracture mechanics is the field of mechanics concerned with the study of the propagation of cracks in materials. It uses methods of analytical solid mechanics to calculate the driving force on a crack and those of experimental solid mechanics to characterize the material's resistance to fracture.In modern materials science, fracture mechanics is an important tool in improving the mechanical performance of materials and components.

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  • We empirically investigate the relation between certain corporate governance mechanisms and the likelihood of a company having a serious accounting problem, as evidenced by a misstatement of its earnings.

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  • he spread of good oral care will help reduce aspiration pneumonia, endocarditis, and other systemic diseases in the elderly, as well as reduce and prevent diseases of the oral cavity such as periodontal disease and candidiasis. Oral functions will be restored and maintained by improving eating and swallowing functions, and it is our hope that the resulting restoration of health and social activity will lead to improved QOL for elderly people. Daily care of the teeth and mouth is important for a healthy life. ...

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  • Upstream and downstream linkages contribute to ME’s innovativeness. However, most of the technological progress is based on the industry’s own R&D capabilities and its broad knowledge of process technologies. One of the outstanding examples in this respect has been the so-called Compact Strip Production (CSP). Developed by a European firm at the end of the 1980s, this technology enables steel works to invest in a capital and energy saving process. It has been based upon the integration of steps that have been carried out separately in former times.

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  • It is generally understood that the length of the fermentation process has an effect on the quality attributes of cocoa. Properties affected include bark content, pH, titrable acidity (TA), test results and the properties cutting taste. it also been demonstrated that soaking seeds in water, after fermentation, resulting in higher dry cocoa percentage of brown seeds, bark less content and improved flavor characteristics, (Hollywood, NW 1997). This test is done to prove whether the effects of fermentation time and soak application Vietnam to cocoa....

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  • Tham khảo sách 'improving machinery reliability 3e', kỹ thuật - công nghệ, tự động hoá phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The surface treatment by physical method of jute fiber using air plasma was investigated. Fiber was treated by the atmospheric plasma with various conditions of power 50W and different treatment times (from 1 min to 7 min). After treatment, the characteristics of fiber changed remarkably and fiber surface observed by SEM analyze showed a better morphology for adhesion. The result showed that tensile strength and Young’s modulus of jute fiber were slightly improved, however there was a remarkable improvement interface adhesion between fibers and polypropylene (PP) resin.

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  • (BQ) Part 2 book "Pilbeam's mechanical ventilation - Physiological and clinical applications" presentation of content: Improving oxygenation and management of acute respiratory distress syndrome, ventilator associated pneumonia, extrapulmonary effects of mechanical ventilation, extrapulmonary effects of mechanical ventilation,... and other contents.

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  • Over the past 40 years there has been dramatic improvement in outcome from septic shock in children, with mortality reducing from 97% in the 1960s, 60% in the 1980s, to 9% in 1999. Changes in clinical practice have been based on case series, cohort studies and physiological experiments, rather than on evidence from randomised controlled trials. 6 There have also been significant changes to the organisation and delivery of health care, particularly in the provision of resuscitation and intensive care that have been associated with reduced mortality.

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  • Improvements in the efficiency of large-scale DNA sequencing are resulting in rapid increases in the number of protein sequences that lack genetic or biochemical annotation. One traditional way to deduce the function of a protein of interest is to compare itwith other sequences of known function to find a possible homologue.Methods for homology detection formerly relied on pairwise compar- isons of protein sequences. However, the accumulation of sequence data hasmotivated and facilitated the creation of families of related proteins.

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  • Tham khảo sách 'use of propylene splitter to improve polypropylene business', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo sách 'information technology dod needs to improve process for ensuring', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Coronary heart disease is the leading cause of death worldwide, and 3.8 million men and 3.4 million women die of the disease each year. After an acute myocardial infarction, early and successful myocardial reperfusion with the use of thrombolytic therapy or primary percutaneous coronary intervention (PCI) is the most effective strategy for reducing the size of a myocardial infarct and improving the clinical outcome. The process of restoring blood flow to the ischemic myocardium, however, can induce injury.

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  • What is the first office of the soil? How does it hold water for the uses of the plant? How does it obtain a part of its moisture? The mechanical character of the soil is well understood from preceding remarks, and the learner knows that there are many offices to be performed by the soil aside from the feeding of plants. 1. It admits the roots of plants, and holds them in their position. 2. By a sponge-like action, it holds water for the uses of the plant. 3. It absorbs moisture from the atmosphere to supply the demands...

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  • Since it was established, the Federal Reserve has worked with the private sector to improve the eff iciency and cost-effectiveness of the check- col lection system. Toward that end, the Federal Reserve and the banking industry developed bank routing numbers in the 1940s. These numbers are still printed on checks to identify the institution on which a check is drawn and to which the check must be presented for payment. In the 1950s, the magnetic ink character recognition (MICR) system for encod- ing pertinent data on checks was developed so that the data could be read electronically.

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  • Most of the South Asian and Pacific countries have similarities in setting the policy and execution of dairy and beef cattle genetic improvement programmes. Historically, governments have played a major role in cattle farming and breeding activities; nowadays, however, the initiatives of the private sector or of non-government organizations are modifying the needs of farmers for support from the government. About 90% of the contribution of the livestock sector is from small holders and this proportion is highly consistent across countries.

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  • I intentionally left out the whole world of hydraulics. While hydraulic power can be the answer when very compact actuators or high power density motors are required, it is potentially more danger- ous, and definitely messier, to work with than electrically powered devices. It is also much less efficient—a real problem for battery pow- ered robots. There are many texts on hydraulic power and its uses. If hydraulics is being considered in a design, the reader is referred to Industrial Fluid Power (4 volumes) 3rd ed., published by Womack Education Publications.

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