1,265 research outputs found

    Biquadratic Filter Applications Using a Fully-Differential Active-Only Integrator

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    A new class of active filters, real active-only filters is described and possible implementation issues of these filters are discussed. To remedy these issues, a fully-differential active-only integrator block built around current controlled current conveyors is presented. The integration frequency of the proposed circuit is adjustable over a wide frequency range. As an application, a real active-only filter based on the classical two-integrator loop topology is presented and designed. The feasibility of this filter in a 0.35µm CMOS process is verified through SPECTRE simulation program in the CADENCE design tool

    In vitro germination and structure of hard seed testa of natural tetraploid Trifolium pratense L.

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    Scarified and non-scarified seeds of natural tetraploid Trifolium pratense L. were germinated on in vitro and ex vitro germination media. The medium producing the best outcome was determined and germination media were compared. Additionally, testa of normal and hard seeds were examined. Themedia producing the best outcomes in both seed groups (scarified and non-scarified) were hormonefree MS medium, filter paper and soil respectively. Macrosclereid layer of normal seed testa was thickerthan that of hard seed testa due to imbibitions. Whereas, epidermis walls in the macrosclereid layer of hard seed testa were thicker when compared to those of normal seed testa

    Cultivation of Agaricus bisporus on wheat straw and waste tea leaves based composts and locally available casing materials Part III: Dry matter, protein, and carbohydrate contents of Agaricus bisporus

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    This study was performed to determine the effects of composts and casing materials on dry matter, protein, and carbohydrate contents of the fruit bodies of Agaricus bisporus. Results showed that Agaricus bisporus cultivated on group I and group II casing soil groups showed remarkably higher dry matter and carbohydrate contents compared to other casing groups. No significant differences were found among casing soil groups in terms of protein content of Agaricus bisporus cultivated on wheatstraw. But, there were significant differences between casing soil groups in terms of protein content of Agaricus bisporus cultivated on waste tea leaves

    Yield response of mushroom (Agaricus bisporus) on wheat straw and waste tea leaves based composts using supplements of some locally available peats and their mixture with some secondary casing materials

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    The study was conducted to investigate yields of mushroom (Agaricus bisporus) on wheat straw and waste tea leaves based composts. Mixtures (50:50, v/v) of some locally available peats including peat ofBolu (PB), peat of Agacbasi (PA), peat of Caykara (PC) and their mixture (80:20; v/v) with which piece of mosaic and sand were used. Also, some activator materials such as wheat bran, wheat chaff, chickenmanure, pigeon manure, and poplar leaves were used for A. bisporus cultivation. The results on wheat straw based composts provided the highest mushroom yield (23.01%) that was obtained on wheat strawand pigeon manure based compost using a mixture of PA with PC (50+50; v/v) as casing material. For waste tea leaves based composts, the highest mushroom yield (24.90%) were recorded on wheat straw and pigeon manure based compost using a mixture of PC with sand (80+20; v/v) as casing material

    Cultivation of Agaricus bisporus on wheat straw and waste tea leaves based compost formulas using wheat chaff as activator material

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    This study was designed to determine the pin head formation time and yield values of Agaricus bisporus on some casing materials. Composts were prepared basically from wheat straw and waste tea leaves by using wheat chaff as activator substance. Temperatures of the compost formulas were measured during composting at various depths in order to determine the compostability level. Results showed that in both compost types, maximum temperature values were recorded in the second turning stage. Composting was completed in 21 days for both composts. While the fastest pin head formation (12.50 days) was obtained on wheat straw based compost using peat of Bolu (PB) and peat of Agacbasi (PA) (50+50; in volume); waste tea leaves based compost using peat of Caykara (PC) and forest soil (FS) mixture (50+50; in volume) as casing material gave the fastest pin head formation (13.25 days). In terms of yield, a mixture of peat of Bolu and peat of Agacbasi (PA) (50+50; in volume) gave the highest yieldfor wheat straw based compost, a mixture of peat of Agacbasi and perlite (P) (80+20; involume) had the highest yield for waste tea leaves based compost

    Patient centred diagnosis: sharing diagnostic decisions with patients in clinical practice.

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    Patient centred diagnosis is best practised through shared decision making; an iterative dialogue between doctor and patient, whichrespects a patient’s needs, values, preferences, and circumstances. Shared decision making for diagnostic situations differs fundamentally from that for treatment decisions. This has important implications when considering its practical application. The nature of dialogue should be tailored to the specific diagnostic decision; scenarios with higher stakes or uncertainty usually require more detailed conversation

    Cultivation of Agaricus bisporus on some compost formulas and locally available casing materials. Part I: Wheat straw based compost formulas and locally available casing materials

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    Three compost formulas; wheat straw based and using different activator materials such as wheat brain, chicken manure, and pigeon manure were used for Agaricus bisporus cultivation. Locallyavailable casing materials such as peat of Bolu, peat of Agacbasi, peat of Caykara, and their mixture (80:20; v:v) with perlite were used. Temperature degrees of all of compost formulas were measuredduring composting at various depth in order to determine the compostability level. Results showed that inner compost temparature increased until the 8th and 9th day of composting for formula I, formula II, and formula III composts, respectively. The maximum inner compost temperature degrees were measured for all compost formulas at the second turning stage of composting. The highest mushroom yield (1707.2 g) was recorded by wheat straw mixed with pigeon manure with the peat of Caykara and perlite mixture as casing material

    Cultivation of Agaricus bisporus on some compost formulas and locally available casing materials. Part II: Waste tea leaves based compost formulas and locally available casing materials

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    Three compost formulas (formula I, formula II, and formula III) based waste tea leaves and using some activator materials such as wheat bran, chicken manure and pigeon manure were studied for Agaricusbisporus cultivation. Some locally available peats such as peat of Bolu, peat of Agacbasi, peat of Caykara and theirs mixture (80:20; volume : volume) with perlite were used. Temperature values of allcompost formulas during composting process were measured to determine the compostability level. According to results, compost temparature steadily increased until the 8th, 9th, and 9th day ofcomposting for formula I, formula II, and formula III, respectively. The maximum compost temperature values were measured for all compost formulas at the second turning stage of composting process.The highest compost temperature values were measured prepared from a mixture of waste tea leaves and wheat bran (formula I). The best mushroom yield was obtained by a mixture of waste tea leaves andpigeon manure with the peat of Caykara and perlite mixture as casing material. Peat of Caykara gave higher mushroom yield than those of other peats

    An investigation on pin head formation time of Agaricus bisporus on wheat straw and waste tea leaves based composts using some locally available peat materials and secondary casing materials

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    This study was designed to determine pin head formation time of Agaricus bisporus on wheat straw and waste tea leaves based composts. Locally available peat materials such as peat of Bolu (PB), peat of Agacbasi (PA), peat of Caykara (PC), and their mixture (80:20; v:v) with piece of mosaic (PM), perlite (P), and sand (S) were used as secondary casing materials. Also, some activator materials such aswheat bran, chicken manure, and pigeon manure were used for A. bisporus cultivation. For wheat straw based composts, the fastest pin head formation times were observed with a mixture of PA with PMcasing material on wheat straw and chicken manure based compost and with PA casing material on wheat straw and pigeon manure based compost. For waste tea leaves based composts, the fastest pinhead formation times were obtained with a mixture of PA with PM and PC with PM on waste tea leaves and chicken manure based compost. Generally, when peat materials were used in combination witheach other, the period of pin head formation times shortened compared to their individual use. A mixture of forest soil with sand (80 + 20; in volume) gave the worst results in terms of pin head formation times for both composts. In secondary casing materials, PM gave the best results in terms of pin head formation time for both composts

    Medical Tourism in a Socialized Health Care System—The Need for Strict Systemic Supervision

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    Medical tourism is defined by the active act of traveling from a patient’s country of origin to a different country, specifically to receive medical treatment. Globalization has made a tremendous change in the field of medical tourism. Medical tourism statistics revealed an anticipated growth of the industry from about 40billionin2004to40 billion in 2004 to 100 billion by 2012, as estimated by the McKinsey Company (Shetty, 2010). The size of the global medical tourism market increased about 2.5 times from 2004 to 2012 by approximately USD 10 billion, and it is expected to reach approximately USD 33 billion by 2019 (Seo & Park, 2018). Israel has emerged as a medical tourism destination due to the advantages it can offer. Israel’s facilities are recognized throughout the world, and provide high quality of care at reasonable prices. But, Israel has a socialized health care system. This means that the national health insurance program is financed mainly by the government from public sources, such as health insurance tax that is collected by the general payroll and other general tax revenues, but also directly from the public through out-of-pocket money and private complementary health insurances. In comparison to OECD countries, Israel’s hospitals are characterized by a very low bed to population ratio, an extremely low average length of stay, a high rate of admissions per 1000 population, and a high occupancy rate, which means this is already a very “lean” and effective system, that is on the verge of collapse due to a lack of funding. In relation to this medical tourism raises a lot of ethical, moral and economic issues for the Israeli health system. In the current article we try to shed some light upon these problems and suggest feasible solutions for them.We suggest that countries should adopt an ethical code and health policy, which will be used by local hospitals to maintain the delicate balance between medical services to the local population and medical tourism
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