The Basics of Telecommunications pps
... Transportation Professionals The Basics of Telecommunications Final Report September, 2004 Trang 2Notice This document is disseminated under the sponsorship of the Department of Transportation in the interest ... Background 186 The System - Existing 188 The System - New 191 City of Irving Texas 193 Background 193 Proposed Update 194 5.8 GHz Attributes 196 Theory of Operation 197 The Irving Proposal ... to describe t he configuration of a cable The expression is often used in the following manner: “The cable is available in 5000 foot “put -ups ” Trang 27numb ers of fib er st rands wi ll requi
Ngày tải lên: 05/07/2014, 00:21
... severity of the spill The purpose of contingency plans is to coordinate all aspects of the response to an oil spill This includes stopping the flow of oil, containing the oil, and cleaning it up The ... serious As the seriousness of an incident is often not known in the initial phases, one of the first priorities is to determine the magnitude of the spill and its potential impact Alerting the first ... contingency plan for this phase of the operation and the importance of a high level of training in first response Stopping the flow of oil is a priority in the first phase of the operation, although
Ngày tải lên: 11/08/2014, 04:20
... from washing over the top of the boom The term freeboard is also used to refer to the height from the water line to the top of the boom The skirt is the portion of the boom below the floats or flotation ... the amount of flotation and the weight of the boom This means that the float must provide enough buoyancy to balance the weight of the boom with the force exerted by currents and waves, thereby ... by the reserve buoyancy and the flexibility of the boom A boom with good heave response will move with the waves on the surface of the water and not be alternately submerged and thrust out of the
Ngày tải lên: 11/08/2014, 04:20
The Basics of Oil Spill Cleanup - Chapter 7 potx
... including the thickness of the oil being recovered, the extent of weathering and emulsification of the oil, the presence of debris, and weather conditions at the time of recovery ... percentage of oil in the recovered product The higher the value, the less the amount of water and thus the better the skimmers’ performance so the ship can withstand severe weather ... variety of factors including the type of oil spilled, the properties of the oil such as viscosity, the thickness of the slick, sea conditions, wind speed, ambient temper- ature, and the presence of
Ngày tải lên: 11/08/2014, 04:20
The Basics of Oil Spill Cleanup - Chapter 8 pps
... or truck The vacuum pump creates a vacuum in the tank and the oil moves directly through a hose or pipe to the tank from the skimmer or the source of the oil The oil does not go through the pump, ... of hydrocarbon fuels Often the equipment at refineries cannot handle oils with debris, excessive amounts of water, or other contaminants and the cost of pre-treating the oils can far exceed the ... Performance of Pumps The performance of pumps is usually measured in terms of the volume displaced per unit of time at a given viscosity, suction head, and pressure head The suction head is the maximum
Ngày tải lên: 11/08/2014, 04:20
The Basics of Oil Spill Cleanup - Chapter 9 potx
... type of dispersant applied, sea energy, salinity of the water, and water temperature The composition of the oil is the most important of these factors, followed closely by sea energy and the amount ... yield the same amount of dispersion as when the sea energy is high The effect of sea energy when the same amount of dispersant is used on several different types of oil is shown in Table 9 In the ... rapid clearance of the oil in the dispersant drop zone without the formation of the usual white to coffee-coloured plume in the water column This is very detrimental and wastes the dispersant
Ngày tải lên: 11/08/2014, 04:20
The Basics of Oil Spill Cleanup - Chapter 10 pdf
... technique, the integrity of the source of the spill and the possibility of further spillage is always a priority If there is any possibility that the fire could flash back to the source of the spill, ... content in the oil did not affect either the ignitability of the oil or the efficiency of the burn Chemical emulsion breakers can be used to break down enough of the emulsion to allow the fire ... oxygenation of the oil Similar analysis of the residue shows that the same minority compounds are present at about the same levels The bulk of the residue is unburned oil without some of the volatile
Ngày tải lên: 11/08/2014, 04:20
The Basics of Oil Spill Cleanup - Chapter 11 ppt
... characteristics of the shoreline, and others to conditions at the time the oil is deposited on the shoreline, such as weather andwaves These factors include the type and amount of oil, the degree of weathering ... composition, the type and sensitivity of biota on the beach,and the steepness of the shore Other important factors are the existence of a high tide berm on the beach,whether the oil is deposited in the ... degree of weathering of the oil, both before it reaches the shoreline and while on the shoreline, thetemperature, the state of the tide when the oil washes onshore, the type of beachsubstrate,
Ngày tải lên: 11/08/2014, 04:20
The Basics of Oil Spill Cleanup - Chapter 12 potx
... adheres to the soil This depends on the adhesion properties of the spilled product and the nature of the soil More of the adhered oil is moved downwards by rainfall percolating through the soil The ... contain water, the oil may not penetrate at all Movement of Oil on Land Surface Both the properties of the oil and the nature of the soil materials affect how rapidly the oil penetrates the soil and ... moisture conditions in the soil, the slope of the land, and the level and flow rate of the groundwater Other factors, which vary in different habitats, are the presence of vegetation and its type
Ngày tải lên: 11/08/2014, 04:20
The Basics of Oil Spill Cleanup - Chapter 13 pps
... that determine the toxicity of hydrocarbons are the salinity andtemperature of the water, the abundance of food, and the general health of the species Oil exposure can cause a range of physiological ... along much of the shorelines in the tropics Theyprovide the habitat for a wide diversity of other life Mangroves are supported by acomplex, interlaced system of prop roots The base of the roots ... via the food chain Bioaccumulation, the accumulation of toxins in theflesh, rarely occurs since the components of oil are generally metabolized by thereceiving organism The effects of oil on the
Ngày tải lên: 11/08/2014, 04:20
security presented the security environment, basics of cryptography, user authentication, attacks from inside the system
... AuthenticationBasic Principles Authentication must identify: 1 Something the user knows 2 Something the user has 3 Something the user is This is done before user can use the system Trang 11Authentication ... Trang 12Authentication Using Passwords• How a cracker broke into LBL – a U.S Dept of Energy research lab Trang 13Authentication Using PasswordsThe use of salt to defeat precomputation of , , , ... pointers 2 Violation of access restrictions on private class members 3 Misuse of variables by type 4 Generation of stack over/underflows 5 Illegal conversion of variables to another type Trang 40Java
Ngày tải lên: 17/10/2014, 07:22
the basics of computer networking
... Sequence ID ID’s where the information belongs in relation to the rest of the information End of Message ID’s the end of the packet Fiber Optic Cable Switches and Hubs Trang 23The InternetHow Information ... reassembled Each part of the packet has a specific function: Header Provides the complete destination address for the packet Data Block The portion of the overall information carried by the packet Sequence ... location of websites on the Internet as well as the workstations that are connected to the web IP addresses are made up of four sets of numbers called “Octets” There are two types of IP Addresses:
Ngày tải lên: 24/10/2014, 13:22
The basics of supply and demand
... simultaneously, the impact on the equilibrium price and quantity is determined by: 1) The relative size and direction of the change 2) The shape of the supply and demand curves Trang 27Elasticities of ... 1Chapter 2The Basics of Supply and Demand The Basics of Supply and Demand Trang 2Topics to Be Discussed Supply and Demand The Market Mechanism Changes in Market Equilibrium Elasticities of ... than the percent change in price We say the demand is price inelastic. Trang 33Elasticities of Supply and Demand The primary determinant of price elasticity of demand is the availability of
Ngày tải lên: 26/09/2015, 15:09
The basics of accounting 2
... side of the balance sheet equationNormal asset balance is a debit Trang 7Debit Credit Trang 8Properties or economic resourcesProvision of future company benefits Trang 10Right side of the ... owed by the business A reduction of future assets of the business Trang 13Accounts PayableNotes Payable Bank Loan Payable Mortgage Payable Trang 14 Two Accounts: Capital: records the owner’s ... investment in the business Withdrawals: records the owner’s personal drawings from the business Trang 17 Is linked with another accountcounterpart Trang 18 Revenues – Expenses = Profit or LossTrang
Ngày tải lên: 05/12/2016, 17:29
The OpenGL Utility Toolkit (GLUT) Programming Interface
... base The radius of the base of the cone height The height of the cone slices The number of subdivisions around the Z axis stacks The number of subdivisions along the Z axis Description glutSolidCone ... Boolean Boolean Boolean Integer Integer Integer Integer Integer Get GLUT GLUT GLUT GLUT GLUT GLUT GLUT GLUT GLUT GLUT GLUT GLUT GLUT GLUT SCREEN WIDTH SCREEN HEIGHT SCREEN WIDTH MM SCREEN HEIGHT MM ... swap on the layer in use for the current window Specifically, glutSwapBuffers promotes the contents of the back buffer of the layer in use of the current window to become the contents of the front...
Ngày tải lên: 12/10/2016, 13:15
Basics of radio astronomy for the goldstone apple valley radio telescope
... polarized, whereby the angle of the electric (or magnetic) vector rotates around an (imaginary) line traveling in the direction of the propagation of the wave The rotation may be either to the right or ... _ range of the electromagnetic spectrum In the visible light range, the end of the spectrum has higher frequencies than the end of the spectrum The linear polarization of an electromagnetic ... bent toward the perpendicular as they travel into the glass Likewise, the path will be bent to the same extent away from the perpendicular when they exit the other side of glass Effects of Media...
Ngày tải lên: 19/01/2014, 14:03
A CASE STUDY ON COMMON PROBLEMS IN LEARNING BUSINESS ENGLISH VOCABUALRY IN THE BOOK “BUSINESS BASICS” FACED BY THE 1ST YEAR STUDENTS AT VIETNAM UNIVERSITY OF COMMERCE, AND SOME SUGGESTED SOLUTIONS
... first part introduces the rationale for the study carried out by the researcher, the aims of the study, the scope of the study, and the method by which the study was conducted The second part is ... Therefore, selection of the materials should be based on a number of criteria, one of which is that of motivation, for learners of Business English often have some knowledge of the subject, the ... work with a number of students but don’t work with the others” All of the teachers have the complaint about the over-size class at the university as they always consisted of from 45 to 73 students...
Ngày tải lên: 29/01/2014, 00:23
Tài liệu The Basics of Social Marketing - How to Use Marketing to Change Behavior docx
... THE BASICS OF SOCIAL MARKETING The Basics of Social Marketing is one of several social marketing resources available for public health professionals from Turning Point, and the Turning ... and how it affects the desired change? ® Taken together, will the overall mix of interventions reach enough of the target audience often enough to have the desired impact? ® Is the overall mix feasible ... was the fear that boiling would “boil in the dirt” and affect the taste A taste test showed that not to be the case ® 15 Collaboration with the Office of Minority Affairs helped reach many of the...
Ngày tải lên: 18/02/2014, 02:20
Brilliant At The Basics of Business 100:1 pdf
... per day? Could they make one per day by writing their name on it? They could There are loads of other ways of both saving the company money and respecting the planet Brainstorm them 91 Be fast ... At The Basics of Business 100: 85 Don’t rush recruitment; you’ll live with the consequences for years Spend the right amount of time and money making the process as brilliant as you can Rather ... days for example? Or points of margin? Or employee satisfaction? Nicholasbate.typepad.com © Nicholas Bate 2010 Brilliant At The Basics of Business 100: 74 Get out of the office and find out what’s...
Ngày tải lên: 06/03/2014, 19:20
Basics of Interest Rates, The Richard D.C. Trainer pptx
... quantity of funds and the rise and fall of interest rates, in turn, affect the condition of the economy -the Gross National Product, the employment of resources, the level of income and the general ... governments borrow to cover the excess of their expenditures over their income from the collection of taxes and other fees While the absolute level of borrowing by the household, business and ... the principal, thereby compensating the lender for giving up the use of her money for an amount of time Even if there were little or no risk of the principal not being repaid, the lender would...
Ngày tải lên: 15/03/2014, 10:20