Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 6 pptx

... Water Soil CO 2 3.5 Acidity and Alkalinity Background Acidity Alkalinity Importance of Alkalinity Criteria and Standards for Alkalinity Calculating Alkalinity Calculating Changes in Alkalinity, ... state has tables of water quality standards for each classified water body. In addition to standards for environmental waters, there are standards for treated drinking water as de...

Ngày tải lên: 11/08/2014, 13:21

... electronegativity of H = 2.1) all alkanes are nonpolar because of their bond geometry. In the straight-chain alkanes (called normal-alkanes), as the alkane carbon chain becomes longer, the molecular ... also affects polarizability. Elongated molecules are more polarizable than compact molecules. Thus, a linear alkane is more polarizable than a branched alkane of the same molecular w...

Ngày tải lên: 11/08/2014, 13:21

... environmental conditions can cause an initially acceptable concentration of total ammonia to become unacceptable and in violation of a stream standard. For example, consider the case of a wastewater ... productive waterfowl habitats correlate with increased alkalinity above 25 mg/L as CaCO 3 . CRITERIA AND STANDARDS FOR ALKALINITY Naturally occurring levels of alkalinity rea...

Ngày tải lên: 11/08/2014, 13:21

... Gravity pulls water downward. 2. Water pressure in the aquifer acts upward against gravity. 3. Capillary forces at the interface between the saturated and unsaturated zones also act upward against ... part of a branch of environmental investigations known as environmental forensics. One of the most common applications of environmental forensics is identifying the sources of...

Ngày tải lên: 11/08/2014, 13:21

... help assure that artifacts are recognizable and are not mistaken as real data. Trip Blanks: For each type of container and preservative, at least one container of analyte-free water should travel ... adequate evaluation of agricultural water quality: The importance of these parameters is indicated in Tables 6. 1 and 6. 2. Tables 6. 1 and 6. 2 list quality parameters of potenti...

Ngày tải lên: 11/08/2014, 13:21

... (EPA 440/ 5-8 4-0 33), Cadmium (EPA 440/ 5-8 4-0 32), Chromium (EPA 440/ 5-8 4-0 29), Copper (EPA 440/ 5-8 4-0 31), Cyanide (EPA 440/ 5-8 4- 028), Lead (EPA 440/ 5-8 4-0 27), Nickel (EPA 440/ 5-8 6- 0 04), Pentachlorophenol ... in lakes and rivers contaminated with sewage and animal wastes. Note: National primary drinking water regulations (NPDWRs, or primary...

Ngày tải lên: 11/08/2014, 13:21

... Project Handbook: A practical guide for lead user project teams Page 15 Applications of the Lead User Methods We have now defined the characteristics of lead users and looked at ways that ... users are: 1) lead users in the target application and market; 2) lead users of similar applications in advanced “analog” markets; 3) lead users with respect to important...

Ngày tải lên: 18/02/2014, 21:20

... particular study. All types of research design have a place, and all have advantages and disadvantages. But not all types of design are always possible for a particular study. For example, ... things, their own capabilities, the availability of material or subjects for the research, and the availability of resources. Often, a trade-off has to be made between the ideal...

Ngày tải lên: 10/08/2014, 07:20

... rows and, if necessary, a footnote for explanation of non-standard abbreviations that are used, and for identification of statistical measures of variations, such as standard deviation and standard ... change their traditional ways of treatment and to adopt more novel approaches. Pharmaceutical companies are now exploiting this patient-centred approach by targeting patients...

Ngày tải lên: 10/08/2014, 07:20

... non-numerical data and interpretive analysis. Quantitative methods A research approach that emphasizes the collection of numerical data or data than can be quantified, and statistical analysis. Questionnaire ... from. Ordinal categorical data Categorical data in which the variables can be ordered one above another. An example of ordinal categorical data is the number of children...

Ngày tải lên: 10/08/2014, 07:20