Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài:An artificial intelligence tool to predict fluid requirement in the intensive care unit: a proof-of-concept study...
Computational fluid dynamics (CFD) is concerned with the efficient numerical solution of the partial differential equations that describe fluid dynamics. CFD techniques are commonly used in the many areas of engineering where fluid behavior is an important factor. Traditional fields of application include aerospace and automotive design, and more recently, bioengineering and consumer and medical electronics.
Intravenous nutrition (IVN), also known as parenteral nutrition (PN),
involves the administration of nutrients, electrolytes, minerals and fluid
directly into patients’ veins. It is used in patients whose gastrointestinal
absorption of food and/or fluids is inadequate, unsafe or inaccessible.
Infusing a mixture of nutrients and fluid, however, is not without risk.
German case syncretism is often assumed to be the accidental by-product of historical development. This paper contradicts this claim and argues that the evolution of German case is driven by the need to optimize the cognitive effort and memory required for processing and interpretation. This hypothesis is supported by a novel kind of computational experiments that reconstruct and compare attested variations of the German deﬁnite article paradigm.
All air-handling units (AHUs) and many terminal units, if they are
not self-contained, require a source of heating and/or cooling energy.
This source is called a central plant, and the means by which thermal
energy is transferred between the central plant and the AHU is usually
a fluid conveyed through a piping system. The fluids used in
HVAC practice are steam, hot or cold water, brine, refrigerant, or a
combination of these. The equipment used to generate the thermal
energy is described in Chap. 7. In this chapter we discuss the transport
Food engineering is usually a difficult discipline for food science students
because they are more used to qualitative rather than to quantitative descriptions
of food processing operations. Food engineering requires understanding
of the basic principles of fluid flow, heat transfer, and mass transfer phenomena
and application of these principles to unit operations which are frequently used
in food processing, e.g., evaporation, drying, thermal processing, cooling and
freezing, etc. The most difficult part of a course in food engineering is often
considered the solution of problems.
Although it has been shown that
frozen storage is feasible for some of the tissue-engineered products such as bone (Kofron et
al., 2003), it is more difficult than that for isolated cells and requires special considerations.
Water transport processes may cause difficulties for tissue-scale freezing. While cells at the
surface layer would respond to freeze-induced osmotic changes much like cells in
suspension, interior cells would dehydrate as a response to the increased intracellular
tonicity in the dehydrate surface layers.
Scope and definitions, design, fluid service requirements for piping components, fluid service requirements for piping joints, flexibility and support,… is the main content of the book "Process piping". Invite you to consult.
This bok is writen for those involved in—or who wish to become involved in—con
versations around software architecture, especially cloud architecture. The audience is
not limited to those with “architect” in their job title. The material should be relevant
to developers, CTOs, and CIOs; more technical testers, designers, analysts, product
managers, and others who wish to understand the basic concepts.
For learning beyond the material in this book, paths will diverge. Some readers will not
require information beyond what is provided in this book.
Transitioning to a low carbon and climate resilient economy, and more broadly „greening growth‟ will
require shifting significant amounts of capital from fossil fuels and resource-intensive and polluting
technologies to newer, clean technology and infrastructure. The appropriate investment landscape will also
need to be supported by policy to drive additional capital towards „greening‟ or accelerated phase-out of
long-lived black assets such as coal-fired power plants, refineries, buildings and energy infrastructure.
The CIME-EMS Summer School in applied mathematics on “Multiscale and
Adaptivity:Modeling, Numerics and Applications” was held in Cetraro (Italy) from
July 6 to 11, 2009. This course has focused on mathematical methods for systems
that involve multiple length/time scales and multiple physics. The complexity of
the structure of these systems requires suitable mathematical and computational
tools. In addition, mathematics provides an effective approach toward devising
computational strategies for handling multiple scales and multiple physics.
PID controllers are probably the most commonly used controller structures in industry. They do, however, present some challenges to control and instrumentation engineers in the aspect of tuning of the gains required for stability and good transient performance. There are several prescriptive rules used in PID tuning. An example is that proposed by Ziegler and Nichols in the 1940's and described in this note.
The current literature documents a wide range of individ-
ual effects of both estrogen and serotonin, which have
been successfully used to explain both normal and patho-
logical processes. E2, for example, initiates the develop-
ment of the female reproductive system, influences the
deposition of body fat, regulates the production of prolac-
tin and other hormones, and increases sodium and water
retention . Independent of estrogen, serotonin regu-
lates urination, influences the production of cerebrospi-
nal fluid, and relaxes vascular smooth muscle .
The southeasterly wind pattern measured at Chalco was the most consistent flow feature
measured during the experimental period. These winds developed in the mid-afternoon in a layer up
to 1 km deep and continued for several hours. The local upslope flows evident in the early afternoon
in the southwestern part of the basin were weaker and shallower than anticipated. These flows have
been associated with the prevalence of high ozone concentrations in this area of the valley.
Implementation is the responsibility of each poultry industry sector and several industry associations
have already commenced adapting the generic manual to their specific operational circumstances
and requirements. The adoption of the new Primary Production and Processing Standard (PPPS)
for Poultry Meat, currently being finalised by Food Standards Australia New Zealand and to be
implemented over the coming years by all states and territories, presents a good opportunity
to promote adoption of the biosecurity standards set out in this manual.
A focus on social justice may provide an important corrective to what has been seen as a growing
over-emphasis on individual pathology. Mental health is produced socially: the presence or absence
of mental health is above all a social indicator and therefore requires social, as well as individual
solutions. A focus on collective efficacy, as well as personal efficacy is required. A preoccupation with
individual symptoms may lead to a ‘disembodied psychology’ which separates what goes on inside
people’s heads from social structure and context.
The data center is the repository for applications and data critical to the modern enterprise. The
enterprise demands on the data center are increasing, requiring the capacity and flexibility to address a
fluid business environment whilst reducing operational costs. Data center expenses such as power,
cooling, and space have become more of a concern as the data center grows to address business
Blade servers are the latest server platforms that attempt to address these business drivers.
Titration is a versatile analytical procedure that can be used for a wide variety of
chemical analyses. For example, when your town’s water supply is tested for purity,
or pond water is tested for dissolved oxygen and contaminants, chances are a
titration is carried out. Some tests essential for a medical diagnosis require a
titration of various body fluids.
A titration makes use of a known reaction between two chemicals. A solution
of unknown concentration is reacted with a precisely measured amount of another
Physics explains everything from the beginning to the end of any complete
description of the human body. Such a comprehensive discussion should begin
with the basic structure of matter, as explained by quantum mechanics – the
physics at small dimensions, and end with the mechanics of human motion,
the energetics of metabolism, the fluid dynamics of blood flow through vessels,
the mechanisms for speaking and hearing, and the optical imaging system
we call the eye.
Analysis and abatement of air pollution involve a variety of technical disciplines. Formation
of the most prevalent pollutants occurs during the combustion process, a tightly
coupled system involving fluid flow, mass and energy transport, and chemical kinetics.
Its complexity is exemplified by the fact that, in many respects, the simplest hydrocarbon
combustion, the methane-oxygen flame, has been quantitatively modeled only within
the last several years.