Xem 1-20 trên 115 kết quả Flowing water
  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: The effectiveness of hand-disinfection by a flow water system using electrolytic products of sodium chloride, compared with a conventional method using alcoholic solution in an ..

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  • Difficulty in accessing ground water without disturbing ground-water flow patterns, chemistry, microbiology, and the physical and chemical makeup of formation materials has made accurate characterization of in situ ground-water conditions a very challenging task.

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  • "Makeup" water is added to replace. what is lost by ... quantities of makeup water flowing to the ... the switch to ozone treatment, the makeup ...

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  • This book incorporates selected topics on theory, revision, and practical application models for water supply systems analysis. A water supply system is an interconnected collection of sources, pipes, and hydraulic control elements (e.g., pumps, valves, regulators, tanks) delivering consumers prescribed water quantities at desired pressures and water qualities. Such systems are often described as a graph, with the links representing the pipes, and the nodes defining connections between pipes, hydraulic control elements, consumers, and sources.

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  • WATER PLAYS A CRUCIAL ROLE in the life of the plant. For every gram of organic matter made by the plant, approximately 500 g of water is absorbed by the roots, transported through the plant body and lost to the atmosphere. Even slight imbalances in this flow of water can cause water deficits and severe malfunctioning of many cellular processes. Thus, every plant must delicately balance its uptake and loss of water. This balancing is a serious challenge for land plants. To carry on photosynthesis, they need to draw carbon dioxide from the atmosphere, but doing so exposes them to...

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  • Table 46-3 Causes of Hypokalemia I. Decreased intake A. Starvation B. Clay ingestion II. Redistribution into cells A. Acid-base 1. Metabolic alkalosis B. Hormonal 1. Insulin 2. β2-Adrenergic agonists (endogenous or exogenous) 3. α-Adrenergic antagonists C. Anabolic state 1. Vitamin B12 or folic acid (red blood cell production) 2. Granulocyte-macrophage colony stimulating factor (white blood cell production) 3. Total parenteral nutrition D. Other 1. Pseudohypokalemia 2. Hypothermia 3. Hypokalemic periodic paralysis 4. Barium toxicity III. Increased loss A.

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  • A new automated procedure for preconcentration and analysis of anionic surfactants in water using solid-phase extraction (SPE) in a flow injection (Fl) system together with an UV-vis detection is reported in this paper. The method involves extraction of blue coloured ion-pair complex of anionic surfactants and methylene blue into solid phase and their elution from the SPE column with organic solvent (chloroform stabilised with methanol) and subsequent measurement in an UV-vis flow cell at 650 nm. The system is well optimised before to apply for analysis of real samples.

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  • Cash availability is the lifeblood of the organization. With it, assuming there is proper management and economical, efficient, and Ceffective operations, the company can grow and prosper—without it the organization perishes. Like the absence of water to anything living, the absence of cash to the business means death—slow, torturous, physically painful, and men- tally agonizing. Business owners, managers, shareholders, ...

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  • Constructed wetlands are known widely by their characteristic properties like utilization of natural processes, simple and easy of construction, operation and maintain as well. The constructed subsurface flow wetland is designed as a tank with an impervious boundary to prevent seepage and contain a suitable porous media in which emergent plants grow. The water remains below the surface of the gravel/stone/rock media. Soil in constructed subsurface flow wetland absorbs and stores organic matter several years.

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  • Salt marsh is an emergent, interdial estuarine wetland system characterized by persistent plant species such as cordgrass ( Spartina alterniflora ). Saltmarsh has a fringe geomorphic setting, and the water source and hydrodynamics are predominantly surface or near surface bidirectional flows.

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  • Soil mechanics involves a combination of engineering mechanics and the properties of soils. This description is broad and can encompass a wide range of soil types. These soils could either be saturated with water or have other fluids in the voids (e.g., air). The development of classical soil mechanics has led to an emphasis on particular types of soils. The common soil types are saturated sands, silts and clays, and dry sands. These materials have been the emphasis in soil mechanics textbooks.

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  • Our interest in the measurement of air and water flow is timeless. Knowledge of the direction and velocity of air flow was essential information for all ancient navigators, and the ability to measure water flow was necessary for the fair distribution of water through the aqueducts of such early communities as the Sumerian cities of Ur, Kish, and Mari near the Tigris and Euphrates Rivers around 5,000 B.C. Even today, the distribution of water among the rice patties of Bali is the sacred duty of authorities designated the ÒWater Priests.Ó...

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  • Dear Friend, What you are about to read might be the answer to help you to make more money in your life. To make the learning process easier and more enjoyable, I’ve presented the lessons in a form of story. You’ll find it more entertaining. If you are a quick reader, you might skip through the whole book in less than 1 hour. The story in this book is about Rick, on how he mastered the 5 lessons on how to make more money to be wealthy again. Making money is not as difficult as you think...

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  • This book includes contributions from researchers around the world on numerical developments and applications to predict fluid flow and heat transfer, with an emphasis on thermal hydraulics computational fluid dynamics. Our ability to simulate larger problems with greater fidelity has vastly expanded over the past decade. The collection of material presented in this book augments the ever-increasing body of knowledge concerning the important topic of thermal hydraulics.

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  • This book presents a comprehensive review of studies in nuclear reactors technology from authors across the globe.

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  • Linking up with Chapter 2, dealing with uniform flow in open channels, it may be noted that any change in the flow phenomenon (i.e. flow rate, velocity, flow depth, flow area, bed slope do not remain constant) causes the flow to be non-uniform. This chapter will discuss the effect of change in any one of the above quantities, including specific energy, critical depth and slope, and flow types. How to draw water surface profiles will also be introduced.

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  • Cash availability is the lifeblood of the organization. With it, assuming there is proper management and economical, efficient, and Ceffective operations, the company can grow and prosper—without it the organization perishes. Like the absence of water to anything living, the absence of cash to the business means death—slow, torturous, physically painful, and men- tally agonizing.

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  • Although Feng has been practiced in the Eastern hemisphere for thousands of years, it is relatively new to western civilization. Feng Shui may seem mysterious and foreign to our western culture, but it is actually a very sensible collection of ideas and actions. Once you understand its principles, you will be able to produce harmony, comfort and balance in almost any situation or environment.

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  • About 70% of the world’s population dwells in coastal zones. With the economic and population growth, the shortage in freshwater supply becomes increasingly acute. With surface water more and more depleted and polluted, coastal communities have turned to groundwater to make up for the shortfall. For domestic supply purposes, the percentage of groundwater use has increased to more than 40% on a worldwide basis.

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  • The EU Water Framework Directive (2000/60/EC) is probably the most significant legislative instrument in the water field that was introduced on an international basis for many years. It moves towards integrated environmental management with key objectives to prevent any further deterioration of water bodies, and protect and enhance the status of aquatic ecosystems and associated wetlands. It aims to promote sustainable water consumption and will contribute to mitigating the effects of floods and droughts.

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