Consult more than 15776 documents with no limitation. Our subscription options

Science & technology

Filter by:

Filter by:
 
See all documents

1238 results

13 Apr 2009
doc

The importance of eating whilst recovering in a hospital

Thesis - 5 pages - Medical studies

The Hungry in Hospital report concerns the importance of food in relation to nutrition, and how nutrition is important when people are ill in terms of the healing process. It explores how food is therefore part of a patient's treatment, the reputation of hospital food, and suggests that health is...

13 Apr 2009
doc

A critical analysis concerning one aspect of the nursing care of older people who require palliative care

Thesis - 5 pages - Medical studies

Cancer is a significant health problem in the UK today and according to Redfern and Ross (1999) is a major cause of mortality in the ageing population. Brooker and Nicol (2003) added that cancer is a medical diagnosis that covers the most distinctive diseases. Cancer Research Campaign (1999)...

13 Apr 2009
doc

A discussion concerning electronic fetal monitoring

Thesis - 5 pages - Medical studies

So much has been written on electronic fetal monitoring (EFM) that it is legitimate to ask if there is anything new to say. This ubiquitous piece of technology has been rigorously evaluated over 20 years by randomized controlled trials (RCTs) and systematic reviews, and more recently has been the...

13 Apr 2009
doc

How does dietary status affect carcinogenesis?

Case study - 10 pages - Medical studies

Cancer is a multi-factoral disease resulting from the perturbation of the normal regulatory processes of a cell. Cancer cells are generated from healthy cells by an accumulation of genetic alterations. These alterations can take the form of mutations, losses, amplifications or re-arrangements in...

13 Apr 2009
doc

A critical analysis of issues in nursing management

Case study - 12 pages - Medical studies

As nurses strive to be recognized as professionals, the expansion and application of evidence in nursing is progressively becoming vital within the nursing discipline (Achterberg et al 2006). Patients have the right to expect the best care that will promote their well-being. This essay will...

13 Apr 2009
doc

Neonate with severe hypoxic-ischaemic encephalopathy

Case study - 6 pages - Medical studies

This case study is about a neonate with severe Hypoxic-ischaemic encephalopathy, therefore it will take into account pathophysiological, diagnostic and grading issues surrounding HIE, and how these reflect on prognosis; consideration to the ethical issues associated with withdrawal of intensive...

08 Apr 2009
doc

Slurry transport

Thesis - 8 pages - Physics

In Slurry Transport, the solids are first ground to fine grain size and made into slurry with a liquid medium. The slurry is then pumped through the pipes to a desired destination. Even though the concept of slurry pipelining was known at the turn of the century, it was only in 1957 that it...

08 Apr 2009
doc

Azeotropic distillation

Thesis - 6 pages - Physics

Distillation is the most widely used separation technique in the chemical and petroleum industry. However not all liquid mixtures are amenable to ordinary fractional distillation. When the components of the system have low relative volatilities (1.00 <

08 Apr 2009
doc

The process of heat transfer

Thesis - 7 pages - Physics

Direct contact heat transfer is a fundamental process by which heat transfer occurs in nature. It is used for the improvement of cooling or heating processes, in terms of characteristic time, compactness and energy costs. Direct contact heat transfer is potentially more efficient than...

08 Apr 2009
doc

Applications of neural networks in chemical engineering

Thesis - 7 pages - Physics

Neural networks, which are simplified models of the biological nervous system, is a massively parallel distributed processing system made up of highly interconnected neural computing elements that have the ability to learn and there by require knowledge and make it available for use. Neural...

08 Apr 2009
doc

Three phase fluidization

Thesis - 5 pages - Physics

Gas-Liquid-Solid fluidized beds have emerged in recent years as one of the most promising devices for three phase operation. This operation generates considerable, intimate contact among the gas, liquid and solid particles in these systems. It provides substantial advantages for applications in...

08 Apr 2009
doc

Micro reactors and process intensification

Thesis - 5 pages - Physics

In recent decades there has been a significant increase in the energy efficiency of the process industry by optimization of unit operations. In many cases the limits of what can be done on a unit-operation scale have been reached. To develop chemical production routes and products that consumes...

08 Apr 2009
doc

Biodiesel: A cleaner source of energy

Thesis - 7 pages - Physics

A majority of the countries in the world are importers of petroleum and its products. The fossil fuels are being consumed at a rate, which is a million times faster than their rate of formation. The prices of petroleum products are mounting at an alarming pace due to the unmatched contribution to...

08 Apr 2009
doc

Pneumatic valves

Thesis - 6 pages - Physics

Today the performance requirements of process plants are becoming increasingly difficult to satisfy. In fact, without process control it is difficult to operate most modern processes safely and profitably. To understand the process dynamics and its behavior Apex has developed compact setups....

08 Apr 2009
ppt

Bio-diesel: An Eco-friendly alternative

Thesis - 20 pages - Physics

Today, an attempt is made to find alternative, nonrenewable energy sources to replace conventional fossil fuels. Currently national energy demands are exponentially increasing as we are progressing into digital age and the population is increasing. One such method that is currently being refined...

08 Apr 2009
doc

Compact heat exchangers

Tutorials/exercises - 5 pages - Physics

A heat exchanger that has a large surface area per unit volume is called a compact heat exchanger. The ratio of the heat transfer surface area to that of a heat exchanger to its volume is called area density ‘?'. A heat exchanger with ?>700m2/m3 is classified as being compact. Compact heat...

08 Apr 2009
doc

Evaporative pertraction

Thesis - 8 pages - Physics

Evaporative Pertraction is membrane processes that has fascinating advantages over conventional process for the separation of volatile solutes from aqueous solutions. This novel athermal Membrane separation process retains flavors and fragrances better than thermal techniques. It promises to play...

08 Apr 2009
doc

Common effluent treatment methods

Thesis - 7 pages - Physics

Pollution may be defined as any condition in which certain substances are present in such concentrations that they can produce undesirable effects or changes in physical, chemical, biological, radiological properties of air, water, soil. Such substances are called pollutants. The primary air...

08 Apr 2009
doc

Taking a closer look at coal

Thesis - 10 pages - Physics

The word "coal" came from Anglo-Saxon col, which meant charcoal. Coal was not mined in Britain before the late Middle Ages; i.e. after ca. 1000 AD. Mineral coal was referred to as sea-coal, either because it was found on beaches occasionally having fallen from the exposed coal seams above or...

08 Apr 2009
doc

Methods for removal of H2S from effluent gas

Thesis - 6 pages - Physics

The environment performs three basic functions in relation to man. First, it provides living space and other amenities that make life qualitatively rich for man. Second, the environment is a source of agricultural, mineral, water and other resources that are consumed directly. Third, the...

08 Apr 2009
doc

Conserved pathways of limb development in vertebrate embryos

Thesis - 5 pages - Biology

Mice and chick embryos serve as ideal test subjects in the analysis of developmental characteristics. Through in-vivo manipulation, signaling frameworks have been constructed to explain and describe the development of limbs (Tickle, 2004). The basis of all development relies on several...

07 Apr 2009
doc

A comparative study between propofol and thiopentone with topical lignocaine for the insertion of a laryngeal mask airway

Case study - 48 pages - Medical studies

LMA is a device commonly used in the practice of anesthesia. A condition for insertion of LMA, haemodynamic stability and respiratory depression following induction with Propofol was compared with Thiopentone preceded by topical Lignocaine. The study was a prospective, randomized, comparative...

07 Apr 2009
doc

Tissues

Thesis - 12 pages - Biology

Organisms are classified into two types based on the number of cells they are composed of- unicellular and multicellular. Multicellular organisms have many cells. But unlike in unicellular, where one cell performs all the functions, cells of multicellular organisms do not perform all the...

06 Apr 2009
doc

Crystal growth and its characterization

Tutorials/exercises - 26 pages - Physics

Recent developments in semiconductor research technology over that last decade have lead to a renew interest in the growth of single crystals with better physical perfection and high crystal growth is newly emerging field in this study of material science which involves control phase change the...

01 Apr 2009
doc

Determination of various protein concentrations by means of spectrophotometry

Tutorials/exercises - 11 pages - Biology

Spectrophotometry relies on the varying capabilities of molecules to absorb photons of light. This absorbance is characteristic of specific compounds, and can therefore be utilized to quantify and classify the presence/quantities of various compounds. (Harris, 2007) With the use of standard...

01 Apr 2009
doc

Ion selective electrode potentiometry

Tutorials/exercises - 11 pages - Physics

The use of ISEP offers great selectivity in the determination of trace elements. With the utilization of a fluoride ion selective electrode, the concentration within the unknown sample were determined to be approximately 0.0423 +/- 3.5x10-4 mol/L. (Standard deviation = 4.58 x 10-4) In comparison...

30 Mar 2009
doc

Dietary advices in disease prevention

Thesis - 5 pages - Medical studies

Dietary advices aimed at reducing disease risk of the entire population can be of major benefit for the nation's health because even a relatively small reduction in risk factors in a large number of moderate-risk people could lead to much greater benefit for the total population than a large...

26 Mar 2009
doc

Developing a menu driven housing loan module

Thesis - 20 pages - Computer science

Loan Management System (LMS) integrates various packages with a view to avoid duplicity of work and optimize the very usage of the network resources. The purpose of this project is to specifically design a module (Housing Loan) of the loan management system to systematically grant financial...

24 Mar 2009
doc

Pressure ulcer program proposal

Thesis - 4 pages - Medical studies

Pressure ulcers are one of the largest risks facing patients in hospitals today. The program that is described in this proposal sets out an agenda for dealing with this problem in a way that focuses on prevention. It is important because increasing numbers of patients are entering hospitals...

19 Mar 2009
doc

Bioreactor: Optimizing E.Coli fermentation for Bacteria directed enzyme prodrug therapy

Thesis - 10 pages - Biology

E.coli strain WM04 was determined as a viable option for Bacteria Directed Enzyme Prodrug Therapy. Determination of suitability for animal testing depends on sufficient quantities of bacteria being produced through fermentation. Optimal operating conditions are found for the production of WM04 by...