Building on the foundation set by its best-selling predecessors, the Groundwater Chemicals Desk Reference, Fourth Edition is both a broad, comprehensive desk reference and a guide for field research. This fourth edition contains more than 1,700 additional references, including adsorption data for more than 800 organic compounds and metals, solubility data for over 2,500 compounds, octanol-water partition coefficients for 1,475 compounds, toxicity data for 1,100 compounds, more than 31,000 synonyms, and more than 2,250 degradation products, impurities, and compounds in commercially available products cross-referenced to parent compounds.
See what’s new in the Fourth Edition:
· Additional bioconcentration factors
· Additional aquatic and mammalian toxicity values
· Additional degradation rates and corresponding half-lives in various environmental compartments
· Additional aqueous solubility of miscellaneous inorganic and organic compounds
· Additional Henry’s Law constants for 1,850 compound entries
· Additional octanol-water partition coefficients for 1,475 compound entries
· Additional biological, chemical, and theoretical oxygen demand values for various organic compounds
· Four additional tables: Test Method Number Index, Dielectric Values of Earth Materials and Fluids, Lowest Odor Threshold Concentrations of Organic Compounds in Water, and Lowest Threshold Concentrations of Organic Compounds in Water
· A section for each compound entry describing potential sources of compounds detected in the environment
The compounds profiled include solvents, herbicides, insecticides, fumigants, and other hazardous substances commonly found in the groundwater and soil environments, the organic Priority Pollutants promulgated by the U.S. EPA under the Clean Water Act of 1977, and compounds commonly found in the workplace and environment. The presentation remains virtually the same as previous editions, making the information easy to find and immediately useful.
International business terms and definitions.
This is a comprehensive listing of international business terms and organizations with accompanying definitions. These terms are used regularly among exporters and academics to describe topics ranging from international logistics to trade law.
Global Resource Directory
A robust directory for a variety of international business resources.
A robust directory of resources allows you to find information ranging from culture and economic information to Trade Tutorials, Trade Law or even Statistical Data Sources. Each resource has been reviewed by an experienced team of researchers to ensure utmost utility.
Online Course Modules
Guided learning modules with case studies and narration.
Here you'll find interactive educational tools aimed at executives and students alike. With a focus on issues pertinent to international business topics, users are introduced to case studies, quizzes and other resources. The modules serve as excellent tools to prepare for the Certified Global Business Professional credential.
A list of answers to frequently asked international business questions.
Find answers to common questions asked by many exporters on a regular basis. Topics covered include sales & marketing, logistics, government regulations, among others. This comprehensive list is designed to help seasoned professionals and novices alike.
Oxford: Butterworth-Heinemann, Elsevier, 2009. — 704 p. — ISBN-10: 1856175758, 978-1-85617-575-3.
A one-stop desk reference, for engineers involved in all aspects of aerospace, this book will not gather dust on the shelf. It brings together the essential professional reference content from leading international contributors in the field. Material covers a broad topic range from structural components of aircraft, design and airworthiness to aerodynamics and modeling
A hard-working desk reference, providing all the essential material needed by aerospace engineers on a day-to-day basis
Fundamentals, key techniques, engineering best practice and rules-of-thumb together in one quick-reference sourcebook
Definitive content by the leading authors in the field, including Howard Curtis, Antonio Filippone, Michael Cook and T.H.G. Megson
The Aircraft and its Environment
Introduction to Flight Dynamics
System of Axes and Notation
Static Equilibrium and Trim
Aircraft design projects
Long-Range Business Jet
Automatic Direction Finder
HF Omnidirectional Range
Distance Measuring Equipment
Flight Management Systems
Air Trafﬁc Control System
Trafﬁc Alert and Collision Avoidance System
Introduction to Rotorcraft
Space vehicles and rockets
Satellite Attitude Dynamics
Rocket Vehicle Dynamics
The ICAO and the Civil Aviation Authorities
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Physicians' Desk Reference 2014 (Physicians' Desk Reference (Pdr)) by PDR Staff PDF/EPUB
ISBN-10: 1563638258 | ISBN-13: 978-1563638251 | Edition: 2014 Edition
Physicians' Desk Reference has been the authoritative source on prescription drugs for 68 years. Found in virtually every physician's office, pharmacy, clinic, and library, no medical reference is more current, more recognized, or more respected. Now in its 68th edition, PDR contains full, FDA-approved drug label information, including warnings and precautions, drug interactions, and hundreds of full-color pill images. Every label in the PDR includes information on dosages, side effects, and safety information, such as contraindications, pregnancy ratings, and interactions with other drugs, food, and alcohol. Data on clinical trials are also included.
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Written by: Brownstone
Publisher: Prentice-Hall 1991
ISBN 10: 0136499899 ISBN 13: 9780136499893
This comprehensive, A to Z guide is the only one-stop reference on a full range of parenting issues, from prenatal care to the college years. In clear, calm language, it provides the information parents need on a wide variety of education. medical, and social issues, including drug and alcohol abuse, education for learning-disabled and gifted children, child-custody issues, SIDS, and more. Featured in Parents magazine's April issue.
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Referencing parent selectors by using the ampersand (&) can be a powerful tool, if used right. There are simple uses of this feature as well as some very complex uses of this feature. In this post we will cover the basic uses of the ampersand (&) as well as link you to a post by Joel Oliveira that goes much deeper on the subject.Intro to the ampersand (&) character
If you've been using Sass for any length of time, then you're likely to be familiar with being able to reference parent selectors using the ampersand (&) character.
A simple Sass example looks like this:
And here's how the output CSS looks.
Pretty neat huh, how we didn't have to write out the h3 again. With Sass all we have to do is nest the next ruleset and attach the & in place of the repeating selector and we're golden.Wait. There's more.
This is something I stumbled onto today while working with some Sass written by my bud, and fellow staff writer, Wynn Netherland. Though, I don't see this mentioned in the Sass documentation. You do read documentation don't you?
So, what if I wanted to style all my h3 headings a certain way, but for this one h3. that is also a child of a certain selector, I want to style it slightly different than the others? Well, with CSS we know how that goes, we'd have to write it all out. Verbose. Bah …
But with Sass … what options do we have? Check this out …
And here's how the output CSS looks.
Based on this code, you can place a trailing ampersand (&) character at the end of your selector declaration in place of the repeating selector, and sit back and enjoy the awesomeness of Sass.Link to a more advanced usage example
My example, is very simplistic but Joel Oliveira goes deeper on the subject with his post, The ampersand & a killer Sass feature . We highly recommend it.
Suppose you work for a small to midsize company that employs 50-100 workers. The Help Desk -- a subsidiary of the Information Services Division -- is in charge of trouble tickets regarding general PC issues such as email, viruses, network issues, etc. Initially, the Help Desk team stored this information in Excel spreadsheets, but as the company has grown, managing these spreadsheets has become tedious and time consuming.
The Help Desk has asked you to devise a more efficient solution that could be developed internally, saving the company money. As you start to think about it, the following requirements are apparent: fields for the submitter's first and last name, as well as their email address. You'll also need combo boxes for indicating ticket severity (low. medium. high ), department, status (new. open. resolved ), employee working on the issue, as well as an area for comments. Of all the solutions available, creating an internal help desk Web application with ASP.NET is relatively simple.
In the following article, we'll see how to implement these features in an ASP.NET help desk Web application using a database-driven approach, while keeping maintenance and scalability in mind. If you would like to learn how to implement a Web application like this, please follow along. You'll need Visual Studio 2008 or Visual Web Developer, SQL Server 2005 or 2008, and the demo application source code .Create the Database
From the desktop, follow these steps to open SQL Server, where <ver> is your version of SQL Server:
To create your tables, follow these steps:
Let's create the main table helpdesk first. We need the following columns as outlined below:
Before continuing, make sure to set the primary key by right clicking the column and choosing Set Primary Key as shown below:
While we're at it, let's set the seed on this column as well by setting the Identity Specification to Yes as shown below:Create Child Tables
I'll explain why we need four additional tables shortly, but let's proceed to create the severity, status, department and employee table using the same steps as previously outlined. Just change the table column names as outlined below:Severity Status Department Employee
Make sure you set the primary key and seed on the ID columns for these tables as well.Relational Databases
When learning about databases, one of the toughest concepts to understand is relationships in data. In relational databases you shouldn't duplicate data, and you especially shouldn't leave your database vulnerable to scalability or maintenance issues. We get around this by relating our data to other tables. This way, we don't duplicate data and our database remains scalable, which usually alleviates the maintenance pain point.
For example, think of a family tree hierarchy. Let's start with the parents:
The parents have children:
As you can see, the children are related to each other as brother and sister, and they are also related to each parent. So in our example, mom and dad (parents) is our parent table, while the children are our children table(s). As a result, we know these tables are related through DNA. Applying this concept to our help desk example, we can think of the help desk table as being our parent table and our additional tables as our child tables. The only difference is they are related through a primary foreign key.
By creating four additional tables we can store a reference or relationship of these records in our help desk table. By doing this, we gain the following benefits:
Figure 1 offers an illustration to help visualize the relationships in the data.Create a Database Diagram
In order to enforce referential integrity on our database, let's create a database diagram by following these steps:
Place the help desk table in the middle with status in the top left, department in the bottom left, severity in the top right, and employee in the bottom right as shown in the previous section.
Next, proceed with these steps:
Let's proceed to populate the tables with some data by following these steps:
Minimize SQL Server Management Studio; we're done with it for the time being.Open Visual Studio and Create the Project
Open Visual Studio from the desktop: Start>Programs>Microsoft Visual Studio. From the main menu, create a new project by following these steps:
When the project is created, you'll have one .aspx file and a web.config file.Open web.config
From the Solution Explorer, double click web.config and look for <connectionStrings>. Replace the default markup with the following:
Simply replace the value inside the double quotes for connectionString with your settings. When you are done, save your file.Open default.aspx
From the Solution Explorer, double click default.aspx and replace everything inside the opening and closing <form runat="server"> tag with this:
As you can see from the code above, we nested two placeholder controls inside our form tag. A placeholder control is identical to any other ASP.NET control in that it's run on the server side. The only difference is whether it will show or hide the content inside. The control is made up of the following:
The second placeholder control simply is a success message. I'll show how this works a little later.Create the Style Sheet and the Markup
Take these steps to creat a style sheet:
To focus a bit more attention on the code and other new aspects in this article, let's just copy and paste the markup below:
As you can see from the code above, we added div tags with a class name of row for each row of data. Note that the two button controls at the end serve two different purposes. The first button -- for submission help desk tickets -- has a server-side event handler, which is denoted by the onClick attribute. This means the event handler for this button will be placed in the code behind file default.aspx .
Let's add the neccessary CSS as shown below:
In our default.aspx page, add the reference to our style sheet as shown below:
If you haven't saved your file(s) yet, now is a good time to do so.
A one-stop desk reference, for engineers involved in the use of engineered materials across engineering and electronics, this book will not gather dust on the shelf. It brings together the essential professional reference content from leading international contributors in the field. Material ranges from basic to advanced topics, including materials and process selection and explanations of properties of metals, ceramics, plastics and composites.
A hard-working desk reference, providing all the essential material needed by engineers on a day-to-day basis Fundamentals, key techniques, engineering best practice and rules-of-thumb together in one quick-reference sourcebook Definitive content by the leading authors in the field, including Michael Ashby, Robert Messler, Rajiv Asthana and R.J. CrawfordDetails Published
Elsevier Science Elsevier Books Reference an imprint of #<Fortitude::Tags::TagReturnValue:0x007f9225f9cf68> on Jan 06, 2009Related Editors' Picks
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