chapter 8 8 2 other approaches to desktop computing

... continues to be excellent Further Readings Lim HW et al: Sunlight, tanning booths, and vitamin D J Am Acad Dermatol 52 :86 8, 20 05 [PMID: 1 585 8 480 ] Miller AJ, Mihm MC Jr: Melanoma N Engl J Med 355:51, 20 06 ... 1 6 82 29 96] Morison WL: Photosensitivity N Engl J Med 350:111, 20 04 Schade N et al: Ultraviolet B radiation–induced immunosuppression: Molecular mechanisms and cellular alterations Photochem Photobiol ... vitiligo Oral 8- methoxypsoralen and UV-A appear to be most effective in this regard, but as many as 100 treatments extending over 12 18 months may be required to promote satisfactory repigmentation...

Ngày tải lên: 07/07/2014, 01:20

... of vasoactive mediator(s), or cytokines, that diffuse to the dermal vasculature to evoke vasodilatation The action spectrum for sunburn erythema includes the UV-B and UV-A Photons in the UV-B are ... nuclear factor-κB (NF-κB)-dependent gene transactivation can augment release of several proinflammatory cytokines including interleukin (IL) 1B, 1L-6, IL -8, vascular endothelial growth factor, prostaglandin ... exposure? and (2) Do you tan after sun exposure? The answers to these questions permit division of the population into six skin types varying from type I (always burn, never tan) to type VI (never...

Ngày tải lên: 07/07/2014, 01:20

Ngày tải lên: 18/03/2014, 13:21

Ngày tải lên: 24/03/2014, 15:22

... spectra The cutoff at the short end of the UV is at ~29 0 nm; this is due primarily to stratospheric ozone formed by highly energetic ionizing radiation, thereby preventing penetration to the earth's ... of total incident solar energy and is arbitrarily divided into two major segments, UV-B and UV-A, comprising the wavelengths from 29 0–400 nm UV-B consists of wavelengths between 29 0 and 320 nm ... Photosensitivity occurs when a photon-absorbing chemical (chromophore) present in the skin absorbs incident energy, becomes excited, and transfers the absorbed energy to various structures or to...

Ngày tải lên: 07/07/2014, 01:20

... radiation for 2 3 weeks prior to initial sun exposure Phototoxicity and Photoallergy These photosensitivity disorders are related to the topical or systemic administration of drugs and other chemicals ... excited-state photosensitizer that can transfer its absorbed energy to a bystander molecule or to molecular oxygen, thereby generating tissue-destructive chemical species, including ROS Phototoxicity ... manifestations typically differ from those of phototoxicity in that an intensely pruritic eczematous dermatitis tends to predominate and evolves into lichenified, thickened, "leathery" changes in...

Ngày tải lên: 07/07/2014, 01:20

... sensitive to UV-B, UV-A, and visible wavelengths Diagnostic confirmation of phototoxicity and photoallergy can often be obtained using phototest procedures In patients with suspected phototoxicity, ... drug photosensitivity involves first and foremost the elimination of exposure to the chemical agents responsible for the reaction and minimization of sun exposure The acute symptoms of phototoxicity ... they absorb solar energy, become photoexcited, generate ROS, and evoke cutaneous photosensitivity The mechanism of porphyrin photosensitization is known to be photodynamic, or oxygen-dependent, and...

Ngày tải lên: 07/07/2014, 01:20

... hepatitis C virus infection appears to be an independent risk factor for PCT Treatment of PCT consists of repeated phlebotomies to diminish the excessive hepatic iron stores and/or intermittent low ... eliminates exposure to porphyrinogenic agents Erythropoietic protoporphyria originates in the bone marrow and is due to a decrease in the mitochondrial enzyme ferrochelatase secondary to numerous gene ... erythrocyte protoporphyrin Detection of increased plasma protoporphyrin helps to differentiate lead poisoning and iron-deficiency anemia, in both of which elevated erythrocyte protoporphyrin levels...

Ngày tải lên: 07/07/2014, 01:20

... due to failure to control for confounding factors such as sunscreen stability and frequency of application Since no prospective studies are available to address this issue, it seems reasonable to ... tumorigenic process Exposure to a tumor initiator such as UV-B is believed to be a necessary but not sufficient step in the malignant process, since initiated skin cells not exposed to tumor promoters ... human skin to photocatalytically produce vitamin D3, the widespread use of sunscreens that filter out UV-B has led to concern that vitamin D deficiency may become...

Ngày tải lên: 07/07/2014, 01:20

Ngày tải lên: 14/12/2013, 12:15

... at Jordanstown Shore Road Newtownabbey Co Antrim BT37 0QB Tel: 0 28 9036 88 53 Web: www.ulst.ac.uk West Herts College Watford Campus Hempstead Road Watford, Herts WD1 3EZ Tel: 01 923 81 20 00 Web: ... Corstorphine Campus Clerwood Terrace Edinburgh EH 12 8TS Tel: 0131 317 3 7 82 Web: www.qmuc.ac.uk University of Stirling Department of Film and Media Studies Stirling FK9 4LA Tel: 01 786 46 622 0 Web: ... Headingley Leeds LS6 3QS Tel: 0113 28 3 26 00 Web: www.lmu.ac.uk/lbs London School of Public Relations David Game House 69 Notting Hill Gate London W11 3JS Tel: 020 722 1 3399 Web: www.pr-school-london.com...

Ngày tải lên: 23/12/2013, 00:15

... Introduction to Data Mining 29 10 Clusters Example Iteration Iteration 4 2 y y 0 -2 -2 -4 -4 -6 -6 10 15 20 x 15 20 15 20 x Iteration Iteration 6 4 2 y y 10 0 -2 -2 -4 -4 -6 -6 10 15 20 x 10 x Starting ... Introduction to Data Mining 31 10 Clusters Example Iteration Iteration 4 2 y y 0 -2 -2 -4 -4 -6 -6 10 15 20 x Iteration 15 20 15 20 6 4 2 y y 10 x Iteration 0 -2 -2 -4 -4 -6 -6 10 15 20 x 10 x Starting ... Iteration Iteration 2. 5 2. 5 2 1.5 1.5 y y 1 0.5 0.5 0 -2 -1.5 -1 -0.5 0.5 1.5 -2 -1.5 -1 -0.5 x 0.5 1.5 x Iteration Iteration Iteration 2. 5 2. 5 2. 5 2 1.5 1.5 1.5 y y y 1 0.5 0.5 0.5 0 -2 -1.5 -1 -0.5...

Ngày tải lên: 15/03/2014, 09:20

... particles © 20 01 by CRC Press LLC L1306/frame/pt 02 Page 88 Friday, June 23 , 20 00 1:54 PM 88 A PRACTICAL GUIDE TO PARTICLE COUNTING 15 micron micron micron volts 2- 5 Figure 8. 1 5-15 2- 5 >15 Comparator ... chart recorder, or some other type of monitoring device We © 20 01 by CRC Press LLC L1306/frame/pt 02 Page 87 Friday, June 23 , 20 00 1:54 PM PARTICLE COUNTER ELECTRONICS 87 will begin a presentation ... L1306/frame/pt 02 Page 86 Friday, June 23 , 20 00 1:54 PM 86 A PRACTICAL GUIDE TO PARTICLE COUNTING a particle of sufficient size passes through the light beam, the output of the detector circuit rises to the...

Ngày tải lên: 18/06/2014, 19:20

... California v Block, 18 ERC 1149, 1 9 82 62 Foundation on Economic Trends v Lyng, 81 7 F.2d 88 2 (D.C Cir 1 987 ) 63 Natural Resources Defense Council v Morton, 4 58 F.2d 82 7 (D.C Cir 19 72) © 20 08 by Taylor & ... Pesticides v Lying, 84 4 F.2d 588 (9th Cir 1 988 ) 24 EPA 84 2- B-01-003, November 20 02 25 CEQ, Preamble to final CEQ NEPA regulations, Federal Register, 43, 559 78, Section 1, November 29 , 19 78 26 CEQ, Forty ... 180 26 , March 23 , 1 981 , as amended 27 Citizens Against the Collider Here—Illinois, Inc v DOE, 1 988 WL 941 42 (N.D Ill 1 988 ) 28 Eccleston C H., Decision-identification tree—a new NEPA scoping tool,...

Ngày tải lên: 18/06/2014, 19:20

... 1 92. 1 68. 0.0 /24 [1/0] via 1 92. 1 68. 1 28 . 2 O 1 92. 1 68. 0.0 /25 [110 /21 75] via 1 72. 16.1.1, 00: 02: 15, FastEthernet0/1 D 1 92. 1 68. 0.0 /25 [90 /22 455] via 1 72. 16 .2. 2, 00: 12: 15, Serial0/0/0 R 1 92. 1 68. 0.0 /26 [ 120 /2] ... 1 72. 16.1.0/16 1 72. 16.1.0 /24 15 Refer to the exhibit What subnet mask will Router1 apply to child routes of the 1 72. 16.0.0 /24 network? 0.0.0.0 25 5 .25 5.0.0 25 5 .25 5 .25 5.0 25 5 .25 5 .25 5 .25 5 16 Refer to the ... FastEthernet 0/0 The following entry is displayed in the routing table: R 1 92. 1 68. 8.0 /24 [ 120 /2] via 1 92. 1 68. 4.1, 00:00 :26 , Serial0/0/1 What type of route is this? a level parent route a level supernet...

Ngày tải lên: 22/06/2014, 16:20

... Network+ Guide to Networks, 4e 22 Introduction to Windows Server 20 03 • Graphical user interface (GUI): Pictorial representation of computer functions – Enables administrators to manage files, ... quickly Network+ Guide to Networks, 4e 28 Windows Server 20 03 File Systems: FAT (continued) • FAT 32 uses disk space more efficiently – Uses 28 - bit fields to store file size information – Supports ... characteristics • Lightweight Directory Access Protocol (LDAP): used to access information stored in a directory – Recent NOSs use directories that adhere to LDAP’s standard structures and naming...

Ngày tải lên: 27/06/2014, 05:20

... mastery of separated elements of L2:phonology, vocabulary & grammar  Listening, speaking, reading & writing are separated from one another & it’s essential to test one skill at a time  The ... examination (2) the structuralist approach Language learning  chiefly concerned with the systematic acquisition of set of habits Focusing the importance of contrastive analysis & the need to identify ... of language in context & concerned with the meaning and the total communicative effect of discourse  assessing the learners’ ability to use two or more skills simultaneously, or a global view...

Ngày tải lên: 27/06/2014, 09:20

... dear torailway companies I had no time to get tired of the monotony; for in three hours westopped at Kiel, close to the sea The luggage being labelled for Copenhagen, we had no occasion to lookafter ... surprised at his energy To him it seemed a verysimple thing to go to Iceland, as that was his business; but to myuncle it was sublime The worthy captain took advantage of hisenthusiasm to charge double ... Professor's attention Starting from the topof the tower, an external staircase wound around the spire, thespirals circling up into the sky "Let us get to the top," said my uncle "I shall be dizzy,"...

Ngày tải lên: 01/07/2014, 14:20