Xem 1-20 trên 41 kết quả Digestive organs
  • MD5 [MD5] is a message digest algorithm that takes as input a message of arbitrary length and produces as output a 128-bit "fingerprint" or "message digest" of the input. The published attacks against MD5 show that it is not prudent to use MD5 when collision resistance is required. This document replaces the security considerations in RFC 1321 [MD5]. [HMAC] defined a mechanism for message authentication using cryptographic hash functions. Any message digest algorithm can be used, but the cryptographic strength of HMAC depends on the properties of the underlying hash function.

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  • One of the more promising processes for the energetic transformation of waste is the anaerobic digestion of the Organic Fraction of Municipal Solid Waste. An experimental campaign was carried out on three different samples of OFMSW from Waste Separation, one as received and two obtained after mechanical treatment: OFMSW slurry (liquid fraction) and OFMSW Waste. Anaerobic Biogasification Potential and anaerobic digestion tests were carried out, investigating the effects of inoculum and pH. The OFMSW Waste was also examined to evaluate the possibility to dispose of it in a landfill.

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  • Anaerobic digestion is a process by which microorganisms break down biodegradable material in the absence of oxygen. Anaerobic digestion can be used to treat various organic wastes and recover bio-energy in the form of biogas, which consists mainly of CH4 and CO2. A great option for improving yields of anaerobic digestion of solid wastes is the co-digestion of multiple substrates.

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  • The main contents of chapter 23 part a include all of the following: Digestive system, digestive processes, GI tract regulatory mechanisms, esophagus, esophagus, digestive processes: mouth, deglutition, stomach: gross anatomy, stomach: microscopic anatomy,...

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  • Chapter 23 - The digestive system (part b) presents the following content: Pharynx, esophagus, digestive processes: mouth, deglutition, stomach: gross anatomy, stomach: microscopic anatomy, gastric gland secretions, regulation of gastric secretion,...

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  • Chapter 23 part c provides knowledge of the digestive system. The main contents in this chapter include all of the following: Pancreas, pancreatic juice, regulation of bile secretion, regulation of pancreatic secretion, digestion in the small intestine, requirements for digestion and absorption in the small intestine,...and other contents.

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  • All animals digest their food, carry on gas exchange, excrete waste, circulate nutrient and waste products to and from the cells, coordinate their movements, protect themselves, and reproduce and disperse the species. The more complex animals have organ systems to carry out these functions; in simple animals, these functions sometimes are carried out by specialized tissues.

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  • Once upon a time people simply sat down to dinner, eating to fill up an empty stomach or just for the pleasure of it. Nobody said, “Wow, that cream soup is loaded with calories,” or asked whether the bread was a highfiber loaf or fretted about the chicken being served with the skin still on. No longer. Today, the dinner table can be a battleground between health and pleasure. You plan your meals with the precision of a major general moving his troops into the front lines, and for most people, the fight to eat what’s good for you rather than what tastes good has become a...

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  • Analysis was conducted on all nutrients or nutrient groups for which numeric data were provided in at least 10 of the 137 crop studies that reported comparisons between organic and conventional crops (see Appendix 10).

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  • All cellular proteins are in a continuous state of turnover in which they are synthesized and degraded (Waterlow et al., 1978). Thus, the intracellular concentration of any protein, and the tissue, organ or whole-body protein mass, are determined by the relative synthetic and....

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  • Ruminants, like other animals, have to meet the nutritional demands of the many organs and cell types of the body. This has to be done against a background of a varying, and not always adequate, supply of nutrients. Thus, once absorbed there are a number of potential fates for a given nutrient and a plethora of mechanisms ...

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  • Analysis was conducted on nutrients or nutrient groups for which numeric data were provided in at least 10 of the 137 crop studies identified by the review.

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  • Microbial spoilage is manifested by a variety of sensory cues such as off-colours, off- odours, off- flavours, softening of vegetables and fruits, and slime. However, even before it becomes obvious, microbes have begun the process of breaking down food molecules for their own metabolic needs. Sugars and easily digested carbohydrates are used first, plant pectins are degraded. Then proteins are attacked, producing volatile compounds with characteristic smells such as ammonia, amines, and sulfides.

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  • The small number of livestock product studies identified in the review necessitated the use of more modest criteria for nutrient selection. Analysis was conducted on all nutrients or nutrient groups for which numeric data were provided in at least 5 of the 25 livestock product studies which reported comparisons between organic and conventional livestock products (see Appendix 11).

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  • In a literature review of DRESCHER-KADEN et al. (1992) including 900 papers published since 1977, residue data about the level of organic pollutants in German sewage sludges were collected. 332 organic compounds with known or suspected toxic effects have been detected in sewage sludges, 42 of them regularly, most of them within the range of g/kg to mg/kg dry matter. Except volatile and easily degradable chemicals, the residue level increases from raw to digested sludge.

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  • At best, it is a source of strength, beauty, and wonder. We can compare the healthy body to a well-designed machine whose parts work smoothly together. We can also compare it to a symphony orchestra in which each instrument has a different part to play. When all of the musicians play together, they produce beautiful music. From a purely physical standpoint, our bodies are made mainly of water.We are also made of many minerals, including calcium, phosphorous, potassium, sulfur, sodium, chlorine, magnesium, and iron.

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  • The Team builds the product that the customer is going to consume: the software or website, for example. The team in Scrum is “cross-functional” – it includes all the expertise necessary to deliver the potentially shippable product each Sprint – and it is “self-managing”, with a very high degree of autonomy and accountability.

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  • Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí hóa hoc quốc tế đề tài : The role of different methanogen groups evaluated by Real-Time qPCR as high-efficiency bioindicators of wet anaerobic co-digestion of organic waste

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  • The economic impact analysis and models that Computer Economics creates are based on numerous research efforts over a period of several years. Data has been obtained from more than 2000 organizations from virtually every industry sector and every major industrial country around the world. The analyst teams for these projects have been led by Michael Erbschloe, vice president of research for Computer Economics of Carlsbad, California. Mr. Erbschloe is the author of Information Warfare: How to Survive Cyber Attacks and The Executive’s Guide to Privacy Management.

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  • The body is made up of trillions of living cells. Normal body cells grow, divide, and die in an orderly way. During the early years of a person's life, normal cells divide faster to allow the person to grow. After the person becomes an adult, most cells divide only to replace worn-out, damaged, or dying cells. Cancer begins when cells in a part of the body start to grow out of control. There are many kinds of cancer, but they all start because of this out-of-control growth of abnormal cells. Cancer cell growth is different from normal cell growth. Instead...

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