quantity of heat passing normally through a unit area per unit time divided by the
Báo cáo hóa học: " Tuning photoluminescence of organic rubrene nanoparticles through a hydrothermal process" pdf
Ngày tải lên :
21/06/2014, 03:20
... pristine and HT NPs as a function of hydrothermal temperature (j) Color distribution of the filtered-down pristine and HT NPs as a function of hydrothermal temperatures supporting by the formation of ... El-Sayed MA: Size and temperature dependence of the plasmon absorption of colloidal gold nanoparticles J Phys Chem B 1999, 103:4212 Amendola V, Bakr OM, Stellacci F: A study of the surface plasmon ... Preparation and Optoelectronic Properties Adv Mater 2008, 20:2859 16 Kasai H, Kamatani H, Okada S, Oikawa H, Matsuda H, Nakanish H: Sizedependent color and luminescences of organic microcrystals Jpn J Appl...
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Báo cáo khoa học: "Fluxes of dissolved mineral elements through a forest ecosystem submitted to extremely" pps
Ngày tải lên :
08/08/2014, 23:22
... concentration by either the measured annual amount of throughfall, or a calculated amount of drainage water Taking into account the poor crown conditions of the trees, the low density of the stand, and the ... bulked and a homogenised sample of each horizon was analysed Exchangeable base cations and acidity were determined after M KCI extraction CEC was calculated as the sum of the exchangeable base cations ... this area; the stand is at an altitude of 780 m Mean precipitation is 800 mm per year and mean temperature is °C In comparison with these average values, the period studied (1988-1989) was relatively...
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DSpace at VNU: Explicit formulas for the reflection and transmission coefficients of one-component waves through a stack of an arbitrary number of layers
Ngày tải lên :
16/12/2017, 14:30
... coefficients of one-component waves through a stack of an arbitrary number of layers Pham Chi Vinha ∗, Tran Thanh Tuana , Marcos A Capistranb a Faculty of Mathematics, Mechanics and Informatics Hanoi ... continuously vary in the thickness variable), researchers often approximate the FGM layer by a set of arbitrary number n of homogeneous layers welded to each other The accuracy of the approximate solution ... that interval Based on this fact we can evaluate the accuracy of the approximations of orders 2, 3, of |R|, |T | One can see from Figs 4a, 4b that these approximations also have good accuracies...
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Báo cáo khoa học: Structure of coenzyme F420H2 oxidase (FprA), a di-iron flavoprotein from methanogenic Archaea catalyzing the reduction of O2 to H2O ppt
Ngày tải lên :
07/03/2014, 10:20
... with the hkl [45] and xds [46] packages The quality of the data and crystallographic parameters are summarized in Table The structure of the enzyme based on the air-exposed monoclinic crystals was ... Its nature as a metal is compatible with the distance ˚ between the metal and the three ligands of 2.0 A, ˚ and 2.5 A, as well as with the height of the elec˚ 2.1 A tron density peak Tyr25 evades ... proximal iron-ligating residues Glu85, His83 and His151 dramatically change their conformation; in particular, the last of these moves ˚ more than 10 A as part of the switch loop (tetragonal crystal...
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Báo cáo khoa học: Biosynthesis of D-arabinose in mycobacteria – a novel bacterial pathway with implications for antimycobacterial therapy pdf
Ngày tải lên :
30/03/2014, 04:20
... glycolipids [26] The branched arabinan chains of the arabinogalactan are attached to the linear galactan backbone The arabinan consists of an inner linear region of Araf-(1 fi 5) -a- Araf and of branched ... terminal Ara6 motifs: Arafb1 fi 2Arafa1 fi 5(Arafb1 fi 2Arafa1 fi 3)Arafa1 fi 5Arafa1 About two-thirds of the terminal b-Araf and the penultimate 2 -a- Araf serve as attachment sites for mycolic acids ... motifs: the Ara6 motif similar to that present in arabinogalactan, and a simplified linear Ara4 motif: Arafb fi 2Arafa1 fi 5Arafa1 fi 5Arafa1 Some of the non-reducing arabinofuranose termini are capped...
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Implementation of shingled magnetic recording towards a few grains per bit
Ngày tải lên :
02/10/2015, 17:15
... to the disk surface Note that the demagnetization fields denoted by the smaller red arrows are also aligned parallel to the magnetization of the media This implies that the magnetic force by the ... (BER) and off-track read capability (OTRC) The writing performance of the recording system will be looked at both in the time domain in terms of track average amplitude (TAA) and the spectral domain ... passing a di-pulse signal through the EPR4 filter The performance of a PR filter could be analyzed via the eye diagram A random data pattern would be written on the disk and the read-back signal would...
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Implementation of shingled magnetic recording towards a few grains per bit
Ngày tải lên :
09/10/2015, 11:17
... to the disk surface Note that the demagnetization fields denoted by the smaller red arrows are also aligned parallel to the magnetization of the media This implies that the magnetic force by the ... (BER) and off-track read capability (OTRC) The writing performance of the recording system will be looked at both in the time domain in terms of track average amplitude (TAA) and the spectral domain ... passing a di-pulse signal through the EPR4 filter The performance of a PR filter could be analyzed via the eye diagram A random data pattern would be written on the disk and the read-back signal would...
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The study: An analysis of common errors on verb tenses and word choices in VietnameseEnglish translation by the secondyear English majors at Dong Thap University
Ngày tải lên :
03/07/2014, 14:17
... understand the meaning of the passage when they read 3 Located on Mekong Delta which is considered as the agriculture and aquaculture area, a special place in the strategy of economic and social ... principle is that an idiomatic translation reproduces the meaning of the source language in the natural form of the receptor language 1.3.2 Translating grammatical features Each language has its own ... goal However, translations are often a mixture of a literal transfer of the grammatical units along with some idiomatic translation of the meaning of the text It is not easy to consistently translate...
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a study on politeness strategies in requests by the characters in the novel twilight by stephenie meyer = nghiên cứu chiến lược lịch sự trong lời thỉnh cầu của các nhân vật trong tiểu thuyết chạng vạng
Ngày tải lên :
02/03/2015, 14:22
... Significance of the study The study would hopefully be of theoretical and practical significance in the area of pragmatics where the use of linguistic acts should be taken into account Theoretically, ... Implications Bardovi-Harlig (2003, cited in Quaraishi, 2009) claimsthat increasing the pragmatic knowledge of the learners enables them to use and interpret a language appropriately and naturally ... emphasized rather than the structures themselves Third, teachers are also advised to give more chances of social interactions for learners, through which they can be aware of what is acceptable and...
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A Study on Pronunciation Mistakes Commonly Committed by the 8th Grade Students at Le Quy Don Secondary School, Hanoi Related to English Fricative and Affricativ
Ngày tải lên :
28/03/2015, 09:11
... /dʒ/, the soft palate is raised, the nasal resonator is shut off, obstacle to the air stream is formed by a closure made between the tip, blade, and rims of the tongue and the upper alveolar ridge ... description of English fricatives Fricative is defined, according to Tam Ha Cam (2005), as consonants with the characteristic that when they are produced, air escapes through a small passage and makes a ... Place and manner articulation of the sound /v/ Figure 4: Place and manner articulation of the sound / θ / Figure 5: Place and manner articulation of the sound / ð / Figure 6: Place and manner articulation...
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A study on politeness strategies in requests by the characters in the novel “Twilight” by Stephenie Meyer
Ngày tải lên :
10/08/2015, 19:48
... social contexts Being aware of the importance of pragmatic ability, a lot of researchers have drawn their attention to its crucial role, highlighted the significance of social context, and made ... reflection of society and culture (Thao, 2010); as a matter of fact, language, especially daily language used in a literary works appears to be presented truthfully and naturally A long with the researcher’s ... communication breakdown The speech act of request has been regarded as one of the face-threatening acts (FTAs) in communication, since it intrinsically threatens the hearer’s face and is affected by...
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Báo cáo y học: "Utility of routine chest radiographs in a medical–surgical intensive care unit: a quality assurance survey"
Ngày tải lên :
25/10/2012, 10:45
... pleural biopsy, thoracentesis, or other Analysis Given that medical and surgical patients often have different complications and varying lengths of stay, the data for each were analyzed separately ... evaluate their utility in our medical–surgical ICU as part of a quality assurance survey The goals of this study were to determine the percentage of routine and non-routine radiographs that change ... changes in management The majority of these changes (58.0%) related to the adjustment of a medical device, most commonly the ETT, the central line, the chest tube, or the NGT The balance of these...
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Some aspects of American culture and society in the twentieth and twenty-first centuries through a number of selected short literary works
Ngày tải lên :
07/11/2012, 15:01
... industry Within the American society, there are many races such as white, black or African-American, American Indian or Alaska native, Asian, native Hawaiian, other Pacific Islander and ethnic groups ... was welcomed by the American great anxiety and fear after the suicide attack by the Islamic extremist’s organization named Al-Qaeda on the Twin Towers of the World Trade Center and the Pentagon, ... jackets and cravats, spats and canes, elegant garden parties and martinis… This was a world of so elegantly distant from ours, it was like a voyage to another galaxy.” (p.1090) By then, all the advantages...
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An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs
Ngày tải lên :
05/09/2013, 16:10
... separated at the rib appears to be reattached with the surface at around times of the rib height It is seen that the separated boundary layer behind the rib results in a dead zone as marked A , ... the heat transfer through this area The presence of gap in the inclined rib allows the fluid to pass through it and also the release of secondary flow through this gap alters the velocity profiles ... [1] Saini J.S Use of artificial roughness for Enhancing Performance of Solar air heater Proceedings of XVII National and VI ISHME/ASME Heat and Mass Transfer Conference, IGCAR, Kalpakkam India 2004;...
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Hydromagnetic convective flow past a vertical porous plate through a porous medium with suction and heat source
Ngày tải lên :
05/09/2013, 16:10
... variation of the flow parameters The factors affecting the velocity of the flow field are magnetic parameter M, permeability parameter Kp, Grashof number for heat transfer Gr and heat source parameter ... the effect It is further noted from Table that both heat source parameter S and permeability parameter enhance the skin friction at the wall 4.4 Rate of heat transfer The variations in the values ... parameter Kp or heat source parameter S reverses the effect A growing Prandtl number Pr or magnetic parameter M increases the magnitude of the rate of heat transfer at the wall On the other hand,...
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Tài liệu Báo cáo khoa học: C-Terminal extension of a plant cysteine protease modulates proteolytic activity through a partial inhibitory mechanism doc
Ngày tải lên :
14/02/2014, 14:20
... 19 aa N-Pro 208 aa 34 aa CT - ex Stop 114 aa Xho1 365 aa 24 aa 208 aa N-Pro N Pro II 24 aa Protease domain BamH H1 Start I 114 aa Pre A S Dutta et al Protease domain CT - ex 34 aa III 208 aa N-Pro ... an active mature enzyme by autocatalytic cleavage of the propeptide part at the N-terminus [2] It is known that the propeptide at the N-terminus of the protease acts as an intramolecular chaperone ... GuhaThakurta P, Biswas S, Chakrabarti C, Sundd M, Jagannadham MV & Dattagupta JK (2004) Structural basis of the unusual stability and substrate specificity of ervatamin-C, a plant cysteine protease...
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Tài liệu Playing through: A Guide to the Unwritten Rules of Golf potx
Ngày tải lên :
22/02/2014, 08:20
... should take the time to stop and appreciate the beauty of the places that, as golfers, we get to enjoy I was having a particularly bad day on a course in Pagosa Springs, Colorado After yet another ... gallery’s applause with a gracious tip of the hat When the match is over, they never fail to take off their hats as they shake each other’s hands Nice tradition a real show of respect for each other ... between the ninth and tenth holes Naturally, they heard all about what had taken place Later, at the nineteenth hole, we learned that they’d talked about my mishap for most of the back nine.Apparently,...
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Báo cáo khóa học: Identification of residues controlling transport through the yeast aquaglyceroporin Fps1 using a genetic screen ppt
Ngày tải lên :
07/03/2014, 15:20
... obtained mutations that reduced transport The four mutants characterized faced the outside of the cell [15] Structural analysis of AQP1 and GlpF suggested that these channels are largely symmetric ... selectivity of water or glycerol transport [17–22] Fps1 is an atypical aquaglyceroporin as the highly conserved NPA motifs in the B- and the E-loop are NPS (Asn-Pro-Ser) and NLA (Asn-Leu-Ala), respectively, ... mM radiolabelled glycerol by the strains indicated, before and after an osmotic shift to 0.8 M NaCl glycerol transport capacity then wild type even after hyperosmotic shock The apparent rate of...
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