how efficient are enzymes as catalysts
Describe wireless wide area networks (WWANs) and how they are used
Ngày tải lên :
13/09/2012, 10:52
... (continued) • Class and Type of Service – Satellites can provide two classes of service • Consumer class service – Shares the available bandwidth between the users • Business class service – Offers ... text-based messages between wireless devices • Messages are limited to about 160 characters – Applications • • • • • Person-to-person Agent-to-person Information broadcast services Software configuration ... Objectives • Describe wireless wide area networks (WWANs) and how they are used • Describe the applications that can be used on a digital cellular telephone • Explain how cellular telephony functions...
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How Marketers Are Using Social Media to Grow Their Businesses
Ngày tải lên :
14/10/2013, 08:51
... important for their business • Measurement and integration are top areas marketers want to master: Onethird of all social media marketers want to know how to monitor and measure the return on investment ... 28% These are the tasks that marketers are outsourcing to third parties: Design and development, content creation and analytics are the top three areas that social media marketers are outsourcing ... Many marketers aren't sure how to connect with customers and prospects via social media Here are a few related questions: • • • • How I build a raving fan base through social media? How we get our...
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Tài liệu How semiconductors are made doc
Ngày tải lên :
25/01/2014, 10:20
... The photomask is a copy of the circuit pattern, drawn on a glass plate coated with a metallic film The glass plate lets light pass, but the metallic film does not A state-of-the-art mask drawing ... Part 1: Mask design creation Part 2: Front end Processing Part 3: Back end processing Design/mask creation Circuit design Photomask creation Logic Circuit Design / Layout Design Based on ... as the wafer is rotated at high speed on the coating machine, resulting in an approximately 1μm thick coating Photoresist Coating Masking / Exposure The photomask created in the "design / mask...
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How to Use Accounting as Strategy
Ngày tải lên :
06/02/2014, 17:14
... increase over time The cost of goods sold is based on a lower cost since older and therefore cheaper items are assumed to be the items sold Under LIFO the assumption is that the last items purchased ... sheet is lower since those are older items purchased at a lower price (Again, assuming that prices have increased over time.) Under LIFO your profits are lower compared to FIFO accounting So ... costs are likely to remain stable or increase, the LIFO approach probably makes sense Companies that use LIFO inventory valuations are typically those with relatively large inventories and increasing...
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Tài liệu SOCIAL MEDIA MARKETING INDUSTRY RE PORT - How Marketers Are Using Social Media to Grow Their Businesses doc
Ngày tải lên :
18/02/2014, 02:20
... than direct response? #2: How I measure the effectiveness of social media? The next biggest question on people's minds can be summarized as, "How can I know if campaigns are working and what will ... • How you measure success? What is the return on investment? Silly thing, but management needs it What metrics are translatable in real terms that we can use as proof points or milestones? How ... many marketers want answered What follows are a few questions from this category: • • • • • How I convert lookers to prospects? How we create cash flow? How I move from Twitter, LinkedIn and Facebook...
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How Bad are Selfish Investments in Network Security? pdf
Ngày tải lên :
05/03/2014, 23:20
... exists By assumption and 3, we have gi (x) < gi (xi = xi , x−i = 0) = gi , ∀i Therefore g(x) < g is feasible In other words, the Pareto frontier of B lower-bounds the Pareto frontier of the feasible ... (x) + xi (14) Now assume that the security technology has improved We would like to study how effective is technology improvement compared to the improvement of incentives Assume that the new ... Now we begin the detailed proof As assumed in section 4, g(x) < g is feasible Lemma 3: If g(x) < g is feasible, then at the optimal solution of problem (12), at least one dual variable is That...
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When Bonds Fall: How Risky Are Bonds if Interest Rates Rise? pptx
Ngày tải lên :
06/03/2014, 04:21
... perspective So compared to public equities, Aaa bonds are indeed less risky, but perhaps not quite as safe as some investors today assume Duration of Past Bondholder Drawdowns During past interest ... bondholders are concerned they’ll be left holding depreciating assets when rates reverse course The biggest questions for most are how much might I lose? and for how long? Lessons from the Past 90+ ... Let’s conclude as we began That is, with a simple question: How risky are bonds if interest rates rise? And as before, one’s perception will be heavily influenced by one’s forecast for how interest...
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MARKETING DURING A DOWNTURN: INSIGHTS INTO HOW MARKETERS ARE HANDLING THE SLUMP pot
Ngày tải lên :
06/03/2014, 21:20
... companies are still growing and need to grow marketing to gain market share Many mid-sized companies are in growth mode as well Executives at Indicative Software, for example, are increasing the ... most respondents aren’t changing budgets for either, 38% are increasing online investment while 36% are decreasing investment in traditional tactics Only 7% of respondents are decreasing spend for ... respondents are investing more in email marketing to house lists Only 6% are spending less on this tactic Likewise, 47% are increasing spend on Web 2.0 strategies; only 8% are decreasing spend...
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Government size and business cycle volatility; How important are credit constraints? pot
Ngày tải lên :
15/03/2014, 07:20
... fiscal policy On the basis of a stochastic general equilibrium (DSGE) model estimated with U.S data, Bilbiie et al (2008) argue that increased asset market participation over time has reduced the influence ... (2003) show that discretionary policy implemented in a a way that is unrelated to macroeconomic conditions increases the volatility of real GDP growth Nevertheless, as long as fiscal shocks are quantitatively ... shows that spending and tax revenues as percentages of GDP, averaged over countries, increased over time and the increase is more pronounced for spending than for revenues Moreover, the increase...
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When Terrorism Hits Home - How Prepared Are State and Local Law Enforcement pot
Ngày tải lên :
15/03/2014, 15:20
... should collect and pass on about suspected terrorist activities The 9/11 terrorist attacks, along with U.S domestic preparedness programs, help served as catalysts for increasing assessment activities, ... conducting or evaluating assessments as being their most important support need, as did a third of state law enforcement agencies Training on how to conduct assessments was the most important support ... the level of preparedness of their organization—that is, the more you know, the more likely you are to assess your organization as being less prepared Then again, individuals who are less sensitized...
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2010 SOCIAL MEDIA MARKETING INDUSTRY RE PORT - How Marketers Are Using Social Media to Grow Their Businesses potx
Ngày tải lên :
16/03/2014, 01:20
... want answered: (1) How I measure social media return on investment? (2) What are the social media best practices? and (3) How I best manage my time with social media? • Marketers are mostly new to ... location? These are the types of questions marketers are seeking answers to in this category Here are a few more: • • • • How I tie all the applications together to get the best results? How I best ... group was to hours per week The chart to the right shows that 43% of people in this group are spending or hours per week on social media activities 76% of marketers are spending at least hours...
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The a and b adapters are used as priming sites for both amplification
Ngày tải lên :
19/03/2014, 22:32
... strand’s ends are made blunt with appropriate enzymes • “A” and “B” adapters are ligated to the blunt ends using DNA ligase • The strands are denatured using sodium hydroxide to release the ssDNA ... The nucleotide bases are added in a timed fashion (beginning with A, T, G, C with 10s between each nucleotide and a successive apyrase wash, followed by the next nucleotide.) • As a bi-product ... polymerase releases a pyrophosphate molecule (PPi) • The sulfurylase enzyme converts the PPi into ATP PYROSEQUENCING The Fireworks Show • Each ATP produced by sulfurilase is used by luciferase •...
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HOW COMPANIES ARE MARKETING ONLINE: A MCKINSEY GLOBAL SURVEY ppt
Ngày tải lên :
29/03/2014, 20:20
... tools are at least somewhat important for companies in their industries At least two-thirds of companies are using these tools in all the areas they deem most important However, far fewer are using ... future spending, at least in some areas In addition to established online tools such as e-mail, information-rich Web sites, and display advertising, survey respondents show a lot of interest ... 2 How companies are marketing online: A McKinsey Global Survey A survey of marketers from around the world shows where online tools are most important, how they’re being used,...
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Column-Stores vs. Row-Stores: How Different Are They Really? docx
Ngày tải lên :
30/03/2014, 13:20
... other queries as carefully, their basic structure is the same The SQL for this query is: SELECT sum(lo.revenue), d.year, p.brand1 FROM lineorder AS lo, dwdate AS d, part AS p, supplier AS s WHERE ... denormalization technique was useful more often (shown as the “PJ, Max C” case in Figure 8) These results have interesting implications Denormalization has long been used as a technique in database systems ... implemented in IBM DB2 [20] In contrast to the caseby-case implementation in row-stores, in all column-stores (that we are aware of), blocks of values from the same column are sent to an operator in a...
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metal-organic framworks irmof-8, zif-9, mof-199 and irmof-3 as catalysts for friedel-crafts acylation, knoevenagel, azamichel and pall-knorr reactions
Ngày tải lên :
10/05/2014, 21:59
... acid) was collected as IRMOF-8 - Purple cubic crystals (25% based on benzimidazole) was collected as ZIF-9 - Deep purple crystals (88% based on 1,3,5-benzenetricarboxylic acid) was collected as MOF-199 ... TGA, AAS, and nitrogen physisorption measurements Experimental results show that they are highly crystalline with high porous structure and surface areas, which make them efficient to be used as ... functionalization of the pores Employing MOFs as catalysts is a young research area, as compared with the field of gas capture and storage Indeed, MOFs have emerged as a hot topic in heterogeneous catalysis...
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Báo cáo hóa học: "How discriminating are discriminative instruments? Matthew Hankins1,2,3" doc
Ngày tải lên :
18/06/2014, 22:20
... to Q6) This has the effect of increasing reliability (Alpha = 0.85), but drastically decreasing discrimination (Delta = 0.56) The selection of items solely on the basis that they are highly consistent ... longitudinal data are available, another estimate may be derived from the test-retest correlation or ICC [6] As discriminative instruments are not used to measure change, they are not required ... + + 0.51 0.95 0.72 0.82 That this aspect of the framework has been neglected may be due to the emphasis in HRQL research on measuring change; hence the focus has been on evaluative instruments,...
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How sustainable are our economies_2 pot
Ngày tải lên :
21/06/2014, 10:20
... Ecosystem Assessment (2005); [12] = Stern (2007) In turn, many sources are based on primary data from national and international statistics More commonly accepted data are shown in bold The last column ... - Exploitation of living marine resources and loss of habitats are now recognized as being at least as great a threat to oceans as marine pollution [3, p 180] - 10 million tons of catch foregone, ... destruction and catastrophe show the cost of human ingenuity in exploiting nature’s resources References to the further-reading section at the end of each chapter are shown in brackets as FR and section...
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How sustainable are our economies_5 pptx
Ngày tải lên :
21/06/2014, 10:20
... the real world, as well as the major activities responsible for these changes Marking the first column of the framework as opening assets and adding a last column of closing assets could display ... above-mentioned examples show progress or regress in the particular areas they represent They not show the relative significance of any specific area or target The reason is incomparability of ... ‘veto’ (prohibit) further activity because its effects are measured as a violation of environmental or social limits The claim, based on case studies, is that the indicator system ‘is able to...
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