Notes, summaries, assignments, exams, and problems for Other subjects

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Air Pollution: Sources, Control Methods, and Impacts

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Q1) Interpret different adiabatic lapse rates at stable or unstable condition (from the Figure below)?

•The ease with which pollutants can disperse vertically into the atmosphere is largely determined by the rate of change of air temperature with altitude. For some temperature profiles, the air is stable, that is, air at a given altitude has physical forces acting on it that make it want to remain at that elevation Stable air discourages the dispersion and dilution of the pollutants. For other temperature profile, the air is unstable.

Q2)a) write the different control methods for gaseous pollutants . Describe briefly?

Absorption involves the transfer of a gaseous pollutant from the air into a contacting liquid, such as water

b) Write the source

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Understanding Key PPC Metrics & Concepts

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Real-Time Bidding (RTB)

Definition

Buying and selling online ad impressions through real-time auctions, occurring as a webpage loads.

Return on Investment (ROI)

Definition

A performance measure evaluating investment efficiency.

Formula

ROI = (Current Value of Investment - Cost of Investment) / Cost of Investment

Quality Score

Definition

Google's rating of keyword and ad quality/relevance, impacting cost-per-click (CPC) and ad rank.

Negative Keywords

Definition

Keywords preventing ad display for specific searches.

Impressions

Definition

The number of times your content is displayed.

Call-to-Action (CTA)

Definition

A statement prompting an immediate response, guiding potential customers.

Conversion

Definition

A valuable website action beyond a simple visit, specific... Continue reading "Understanding Key PPC Metrics & Concepts" »

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Concurrence of companies

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Chapter 18: Organizational Change and Stress Management

Forces for change:list a couple

Change:Making things different. 

planned change:Change activities that are intentional and goal oriented. 

Change agents:Persons who act as catalysts and assume the responsibility for managing change activities. 

Overcoming resistance to change.

Tactics can help change agents deal with resistance to change:

Communication:Communication is more important than ever in times of change. One study of German companies revealed changes are most effective when a company communicates a rationale that balances the interests of various stakeholders 

ParticipationIt’s difficult to resist a change decision in which we’ve participated. Assuming participants have the expertise... Continue reading "Concurrence of companies" »

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Business Management: Theories, Models, and Strategies

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CSR: Classical vs. Socioeconomic Views

Arguments Against CSR (Classical)

  • Reduced profits
  • Higher costs
  • Dilution of business purpose
  • Too much social power

Arguments For CSR (Socioeconomic)

  • Better public image
  • Businesses have resources and ethical obligation
  • Better environment
  • Public wants it

Group and Team Dynamics

Group Types

  • FORMAL: Command, task, functional
  • INFORMAL: Interest, friendship, reference

Team Types

  • Cross-functional
  • Self-managed
  • Virtual
  • Problem-solving
  • Quality circle

Stages of Team Development

  1. Forming: Team gets acquainted and establishes ground rules.
  2. Storming: Members begin to communicate their feelings.
  3. Norming: Members feel a part of the team and begin to accept other views.
  4. Performing: Team works in an open and trusting atmosphere where flexibility
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Understanding Climographs: A Guide to Climate Analysis

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The graphic is a Climograph, a double entry graph that registers the average monthly temperatures through a red line for the scale of degrees centigrade (ºC) on the right; and the total average monthly precipitation by a bars graph in mm* in the scale on the left. According to the usual conventions, both scales are in a 2:1 ratio**, which allows to visualize easier the drier months.

The yearly average annual temperature is ………….. The average monthly temperature belongs to the month of …………….., with approximately ……….. ºC. Such data indicates that, the graphic’s clima is located in the Northern hemisphere, also with a hot/warm summer. The coldest month is ……… with ……….. ºC, which means a mild summer. According... Continue reading "Understanding Climographs: A Guide to Climate Analysis" »

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Performance Appraisal Systems: Techniques, Methods, and Common Errors

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Performance Appraisal Systems

Many companies establish methods to improve employee performance and correct errors. Performance appraisal systems are well-established in organizations. Information gathered by these systems is used to decide wage adjustments, promotions, and training. Managing and evaluating performance remains a challenge for most managers. Performance management is the process of linking individual or group performance with the main strategic mission and values.

Objectives of Performance Management Systems

  • Motivate Performance: Employee motivation and performance are key factors for business success. Owners and managers strive for good performance.
  • Aid Continuous Improvement: Performance management systems help identify areas for
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Experienced Mining Engineer & Safety Professional

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Flavia Polanco Gómez

132 Park Avenue
Santiago, 02123
Email: [email protected]
Cell Phone: 345-980-9087

Objective

A highly organized, efficient, and experienced workplace safety professional, I seek a challenging role as a Mining Engineer within the mining resources industry. I aim to collaborate with team members to design optimal extraction methods and conduct research to determine mineral locations. Offering 100% flexibility and commitment, I am available for various shifts, including FIFO, and have a proven track record as a results-oriented, motivated leader capable of achieving goals and objectives.

Education

Universidad Tecnológica de Chile

Santiago, Chile | 2011-2014

  • Bachelor of Technology in Mining Engineering

Miraflores de Malloco

Santiago,

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Crafting Effective Market Research Reports

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Market Research Report Structure

A market research report is a written or oral presentation that conveys research, results, conclusions, and recommendations to the client. Decisions are made based on this report, so it's crucial that the audience understands the results and their implications. This also helps build credibility.

Report Elements

A. Front Matter

  1. Title Page: Includes the report's purpose and content, the title, the organization or person for whom the report is intended, the organization or person who prepared the report, and the date of submission.
  2. Letter of Authorization: Certification to conduct the project.
  3. Letter/Memo of Transmittal: Orients the reader and creates a positive impression.
  4. Table of Contents: Helps locate information
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The Hydrologic Cycle and Coastal Geology

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Hydrologic Cycle

Describe the path water moves land, ocean, atmosphere

Seawater

97.2%

Stream

Zone of Saturation

Point where 100% of the pore spaces are filled with water

Best Aquitard

Shale material

Connection Between Climate and Geologic Process

Heavy rainfall triggers debris flow

Cryosphere

Ice and snow existed on Earth

Shells

Made out of CaCO3

Shore and Coast

Shore: area from lowest tide to highest elevation

Coast: area of ocean-related features from the water inland

Coastline

Marks the seaward edge of the coast

Waves and Shoreline

Wave Height

Vertical distance between trough and crest

Wavelength

Horizontal distance between successive crests

Shoreline

Marks the contact between land and sea

Bending of Waves

Refraction

Aquifers and Hot Springs

Aquitard

Impermeable layer... Continue reading "The Hydrologic Cycle and Coastal Geology" »

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Optimization and Hessian Matrix Calculations

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syms K L

[K,L]=meshgrid(0:0.1:10);
Q=10*(K1/4)*(L1/2);
mesh(K,L,Q)
contour(K,L,Q)
meshc(K,L,Q)
syms K L;
Q=10*(K1/4)*(L1/2);
diff(Q,K)
hessiana=jacobian(jacobian(Q,[K,L]),[K,L])
subs(hessiana,[K,L],[2,1])


syms x y;
f=4*x2+y2+2*x*y-3*x-y+1;
[x,y]=solve(diff(f,x),diff(f,y),x,y)
syms x y;
hessiana=jacobian(jacobian(f,[x,y]),[x,y])
eig(hessiana)
vpa(ans)


syms x y lambda;
f=x2+y2-2*x-x*y+5;
L=f-lambda*(x+y-1);
[lambda,x,y]=solve(diff(L,lambda),diff(L,x),diff(L,y),lambda,x,y)
 syms x y lambda;
hessiana=jacobian(jacobian(L,[x,y]),[x,y])
eig(hessiana)
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