time (30‐60mins) Long onset time (30 60mins) •Short duration (4hrs) •Side effect with high fat meal •Bad history of causing death y g •Hard to shift technology or customer needs •Depressing and ugly color •Buyer switching cost •Side effect with nitrite Viagra •Pioneer in market Pioneer in market •Proven effectiveness •Mature market channel •Preemption of brand p awareness Cialis •Shorter onset (30mins) •Longer duration (36) •No side effect with high fat No side effect with high fat
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Food Packaging Food packaging draws on disciplines like chemistry‚ microbiology‚ food science and engineering. About 25% of the ex-factory cost is for packaging and thus provides the challenge for food packaging technologists to design and develop functional packages at low cost. Today packaging is pervasive and essential. It surrounds‚ enhances and protects the goods from processing and manufacturing through handing and storage to final consumption without packing‚ materials would be messy
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Moving Bed Biofilm Reactor A growing global population is increasing the demand for food and clean water. Our freshwater supplies are diminishing and at the same time our wastewater is increasing. Currently we cannot sustain our own development on a global scale. The increase in flow and organic loading of our wastewaters‚ means there is a need to treat water more efficiently. Stringent environmental laws regarding drinking and wastewater demand higher qulaity and more sustainable treatment technologies
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Technical Bulletin 0199 - 99 - 2091/9 EN This Circular supersedes: 0199 - 99 - 2091/8 Coolant for MWM engines and systems The 9th replacement was made because of: - Updating the approved cooling system protection agents - For text revisions‚ see revisions column Contents: - General information - Cooling systems - Cooling system protection agents - - Chemical corrosion protection agents Antifreezes with corrosion inhibitors Coolant conditioning -
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makes available a free database of student written example essays to help other students in writing their own essays and papers. Currently there’s more than 5‚800 free entries. To participate in interactive features on Planet Papers such as essay comments and ratings‚ Q&A forums and the submission of original works for inclusion on the site‚ you will need to sign up for a free account. Of course‚ viewing essays requires no sign up‚ fee or submission. The essays are all completely free.has tens of
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reaction. Iron cannot displace the more reactive zinc from solution. d Overall equation: Cu(s) + 2Ag+(aq) Cu2+(aq) + 2Ag(s) Review Exercise 9.2 1 a –2 b 0 c +4 d +6 e +6 f –2 2 a NH3‚ ammonium salts b N2 c N2O d NO e HNO2‚ N2O3‚ nitrites f HNO3‚ nitrates 4 a Cr2O72–(aq) + 8H+(aq) + 3SO32–(aq) 2Cr3+(aq) + 4H2O(l) + 3SO42–(aq) b Cu(s) + 2NO3–(aq) + 4H+(aq) Cu2+(aq) + 2NO2(g) + 2H2O(l) c 2MnO4–(aq) + 16H+(aq) + 10Br–(aq) 2Mn2+(aq) + 8H2O(l) + 5Br2(aq) 5 a 2MnO4–(aq) + 2H2O(l)
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ion | ClO3- | Sulfate ion | SO42- | Carbonate ion | CO32- | Phosphate ion | PO43- | * Pattern 1: The -ates “ate” one more oxygen than the -ites and their charge doesn’t change as a result! For instance‚ if you know nitrate is NO3-‚then nitrite is NO2-.If you know phosphate is PO43-‚then you know phosphite is PO33-.You can also use the prefixes hypo- and per- with the chlorate series. Perchlorate‚ ClO4-‚was really “hyper and ate yet another oxygen” when compared to chlorate‚ ClO3-.Hypochlorite
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A central objective of the government’s Updated Drug Strategy 2002 is ‘preventing today ’s young people from becoming tomorrow ’s problem drug users’ (Home Office‚ 2002‚ p. 7). The strategy emphasises the harm drugs can cause to society and stresses young people ‘need good quality drug education‚ information and advice’ (p. 3). In January 2007 Barnfield Borough Council in North London commissioned the present study as part of its ongoing initiative to improve the standard of drugs education provided
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CHAPTER 4 REVISION 1. How many moles of silver atoms are in 0.780 grams of silver? a) 0.78 moles b) 0.00723 moles c) 84.2 moles d) 0.522 moles 2. What is the molar mass of Mg(BrO4)2? a) 312 g mol-1 b) 232 g mol-1 c) 168.2 g mol-1 d) 477 g mol-1 3. What mass of the compound FeWO4 contains 50.0 grams of tungsten (atomic symbol W‚ atomic number = 74)? a) 30.0 g FeWO4 b) 304 g FeWO4 c) 82.6 g FeWO4 d) 188 g FeWO4 d) FeSO4 4. A compound contains 20.2%
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A 58-year-old woman presents to her physician’s office‚ complaining that she is having trouble “getting her breath” when she walks quickly. On further discussion‚ she states that her head has felt “full” for several weeks now‚ and it is developing into headaches. Her nose is feeling “stuffy‚” and she is having trouble reading her cell phone screen. She is currently taking chlort7halidone‚ captopril‚ and metformin. She has tried participating in an exercise and calorie-restricted diet for her weight
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