perceptions of students and teachers on a good language teacher

Tài liệu Báo cáo khoa học: Analysis of proteins and peptides on a chromatographic timescale by electron-transfer dissociation MS ppt

Tài liệu Báo cáo khoa học: Analysis of proteins and peptides on a chromatographic timescale by electron-transfer dissociation MS ppt

... resulting radical anion abstracts a proton and generates a radical site that triggers dissociation to produce a complementary pair of fragment ions of type c and zÂặ Subtraction of the m z values ... Journal compilation ª 2007 FEBS 6271 ETD-MS analysis of peptides and proteins N D Udeshi et al dimethylation of Arg, monomethylation, dimethylation and trimethylation of Lys, acetylation and ubiquitination ... limitations [3] For ETD, radical anions of polyaromatic hydrocarbons, such as fluoranthene, are formed under chemical ionization conditions, stored in a quadrupole linear ion trap (QLT) mass spectrometer,...

Ngày tải lên: 18/02/2014, 16:20

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Communication of sexual and reproductive health issues perceptions of parents and adolescents on communication of sexual and reproductive health issues the case of ambo town

Communication of sexual and reproductive health issues perceptions of parents and adolescents on communication of sexual and reproductive health issues the case of ambo town

... communication of HIV/AIDS and STD, puberty and the biological and physical changes associated, abstinence from early sexual practice, teenage pregnancy and abortion, avoiding premarital sexual practice, ... to contracting HIV/AIDS, sexually transmitted diseases, unwanted pregnancy and abortion and adolescents lack adequate information and knowledge about puberty and the physical changes associated, ... views of parents and adolescent on communication of adolescent‟s sexual and reproductive health issues in Ambo town? What condition facilitates parents-adolescents communication on sexual and reproductive...

Ngày tải lên: 15/08/2017, 15:10

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The Influence of Gender and Ethnicity on the Use of ICT in Higher Education  A Case of Arts and Social Sciences Students in Universiti Malaya

The Influence of Gender and Ethnicity on the Use of ICT in Higher Education A Case of Arts and Social Sciences Students in Universiti Malaya

... the Faculty of Arts and Social Sciences in Univerisiti Malaya in Kuala Lumpur—the capital of Malaysia Research Questions The general aim of this study as well as a review of available literature ... minorities at urban centers like Kuala Lumpur, and Melaka—an old port city in current day Malaysia famous for its significant trade and strategic location from the earlier times (Arasaratnam, 1979 & Sandhu, ... continued influence on the reputation of Malaysia as a technology leader in a major way In the 1980s, Ratnam had argued in the context of technological growth and industrialization in Malaysia:...

Ngày tải lên: 14/05/2015, 12:09

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Tài liệu Báo cáo khoa học: Modeling of tRNA-assisted mechanism of Arg activation based on a structure of Arg-tRNA synthetase, tRNA, and an ATP analog (ANP) ppt

Tài liệu Báo cáo khoa học: Modeling of tRNA-assisted mechanism of Arg activation based on a structure of Arg-tRNA synthetase, tRNA, and an ATP analog (ANP) ppt

... no means in a conformation that is fit to activate The fact that kcat and Km for tRNAArg in the aminoacylation reaction not change in the Asn106 fi Ala, Gln111 fi Ala and Phe109 fi Ala mutants of S ... codon usages for AGA and AGG codons are 19 and 34, respectively, and they amount to 98% among six codons for Arg The D-loops of isoacceptor tRNAUCU and tRNACCU contain nine (AGCAGGAC20aA) and ... under a linear gradient of NaCl from to m gave a pure tRNAArg transcript, which was precipitated by addition of ethanol Aminoacylation reaction The aminoacylation reaction of tRNA was measured at...

Ngày tải lên: 18/02/2014, 11:20

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Tài liệu A Century of Sail and Steam on the Niagara River pdf

Tài liệu A Century of Sail and Steam on the Niagara River pdf

... Directors 61-62 Niagara Dock Co 30 Niagara Falls & Ontario Railway 40 Niagara Escarpment, View from 70, 168 Niagara -on- the-Lake 80 Niagara Portal 80 Niagara -on- Lake, Changes in Name 86 Niagara River Line ... Wards, of Montreal Under the charge of Captain Hugh Richardson, her captain and managing owner, she had a long and notable career The contemporary annals describe her as "a fast boat," and as ... 95 Niagara Dock 104 Niagara Historical Society 119 Niagara Line, Final Supremacy 126 Niagara Falls & Ontario R K 135 Niagara River Navigation Co., U S A 166 17 A Century of Sail and Steam on the...

Ngày tải lên: 20/02/2014, 08:20

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PUBLIC PERCEPTIONS OF URBAN AIR POLLUTION WITH A FOCUS ON DEVELOPING COUNTRIES potx

PUBLIC PERCEPTIONS OF URBAN AIR POLLUTION WITH A FOCUS ON DEVELOPING COUNTRIES potx

... background, between human perception of visual air quality and physical indicators such as color and contrast in a landscape Flachsbart and Phillips (1980) used physical data for a variety of ... and attitudes and perceptions of air quality and air quality management 17 options The few cross-national comparative findings on concern for environmental quality indicate that there is strong ... Risk Perceptions of Hong Kongese vs Americans Risk Analysis 9(3): 401-405 Koushki P A, Al-Fadhala S, Al-Saleh O, and Aljassar A H 2002 Urban air pollution impact of modal shift in school transportation...

Ngày tải lên: 06/03/2014, 16:20

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ARGENTINA FROM A BRITISH POINT OF VIEW AND NOTES ON ARGENTINE LIFE docx

ARGENTINA FROM A BRITISH POINT OF VIEW AND NOTES ON ARGENTINE LIFE docx

... the latter office all the work of the Company in Argentina passes on to the London office, the managers at San Cristobal, Vera, Santa Catalina, and La Barrancosa, having to concern themselves only ... and Lands Department at Sun Cristobal)  Mr R.N LAND (Manager at Santa Catalina)  Mr T SCOTT ROBSON (Manager at La Barrancosa)  Mr G.L.C GITTINS (Acting Manager of the Woods Department) SHARE ... Company has since bought the following areas:— The estancia of La Barrancosa, 10,801 hectareas, say 26,678 The estancia of Santa Catalina, 4,049 hectareas, say 10,002 A strip of land at Guaycuru...

Ngày tải lên: 29/03/2014, 02:21

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Báo cáo Y học: Effect of ibuprofen and warfarin on the allosteric properties of haem– human serum albumin A spectroscopic study potx

Báo cáo Y học: Effect of ibuprofen and warfarin on the allosteric properties of haem– human serum albumin A spectroscopic study potx

... presence of ibuprofen and warfarin are superimposable The ferrous HSA– haem-NO concentration was 3.0 Â 1024 M Table X-band EPR parameters and the haem-iron coordination state of HSA– haem-NO Values ... spectra of ferric HSA –haem in the absence and presence of ibuprofen and warfarin at pH 7.0 and 25.0 8C Electronic absorbance spectroscopy and 1H-NMR relaxometry indicate that the haem iron atom of ... the absence and presence of ibuprofen and warfarin, as obtained by electronic absorption spectroscopy at pH 7.0 and 25.0 8C Data analysis according to Eqn (1) allowed the determination of values...

Ngày tải lên: 31/03/2014, 23:20

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Báo cáo hóa học: " Influence of grazing and precipitation on ecosystem carbon cycling in a mixed-grass prairie" potx

Báo cáo hóa học: " Influence of grazing and precipitation on ecosystem carbon cycling in a mixed-grass prairie" potx

... Allen-Diaz, B 1996 Rangelands in a changing climate: Impacts, adaptations and mitigation In Climate change 1995 Impacts, adaptations and mitigation of climate change: Scientific-technical analyses, ... Houghton, MI, USA 2Environment and Natural Resources Institute, University of Alaska Anchorage, Anchorage, AK, USA Biology Department, University of Alaska Anchorage, Anchorage, AK, USA Authors’ contributions ... fixation in a semiarid grassland Journal of Geophysical Research 112:G03011 Harper, CW, JM Blair, PA Fay, AK Knapp, and JD Carlisle 2005 Increased rainfall variability and reduced rainfall amount...

Ngày tải lên: 20/06/2014, 23:20

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Báo cáo hóa học: " Enhancements of thermal conductivities with Cu, CuO, and carbon nanotube nanofluids and application of MWNT/water nanofluid on a water chiller syste" docx

Báo cáo hóa học: " Enhancements of thermal conductivities with Cu, CuO, and carbon nanotube nanofluids and application of MWNT/water nanofluid on a water chiller syste" docx

... concentration, surfactant type and concentration, pH, temperature, power of ultrasonication and elapsed time after ultrasonication, and their interactions have been investigated experimentally The ... conductivity ratios with the addition of different nanoparticles For practical applications of nanofluids, a constructal approach is proposed by Wang and Fan [18] recently It is based on the constructal ... most suitable condition for production and application of CNT/water nanofluid has been proposed based on statistical analysis of the results It has been shown that more stable nanofluid may not...

Ngày tải lên: 21/06/2014, 04:20

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Báo cáo lâm nghiệp: " Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l" ppt

Báo cáo lâm nghiệp: " Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l" ppt

... 16°29'17''E) was a hundred and forty years old and was also at the altitude of 910 m a. s.l Twenty-two samples were taken in each stand Sample extraction, preparation and measurement Samples were taken and ... chronology was created in the ARSTAN application The chronology has low values of autocorrelation The standard regional tree-ring chronology was also established The range of the created regional tree-ring ... precipitation in the previous year and by precipitation in that particular year Precipitation in spring of the previous year and precipitation in winter, spring and summer of that particular year are...

Ngày tải lên: 07/08/2014, 03:22

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Báo cáo toán học: "A short proof of a theorem of Kano and Yu on factors in regular graphs" pot

Báo cáo toán học: "A short proof of a theorem of Kano and Yu on factors in regular graphs" pot

... parallel edges between u and v, three parallel edges between w and z and two parallel edges e and e connecting x and y Then G is a 4-regular graph, and G has a 1-factor containing e and a 1-factor ... containing e and a 1-factor avoiding e, then G has a k-factor containing e and a k-factor avoiding e for every k ∈ {1, 2, , r − 1} Proof Let F and Fe be two 1-factors of G containing e and ... Corollary (Kano and Yu [1] 2005) Let G be a connected r-regular graph of even order If for every edge e of G, G has a 1-factor containing e, then G has a k-factor containing e and another k-factor...

Ngày tải lên: 07/08/2014, 13:21

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Báo cáo khoa học: "Detecting the impact of climate and disturbances on tree-rings of Fagus sylvatica L. and Quercus robur L. in a lowland forest in Cantabria, Northern Spain" ppt

Báo cáo khoa học: "Detecting the impact of climate and disturbances on tree-rings of Fagus sylvatica L. and Quercus robur L. in a lowland forest in Cantabria, Northern Spain" ppt

... Patagonia, Argentina: the roles of substrate stability and climatic variation, Can J For Res 25 (1995) 1684−1696 [25] Kobayashi O., Funada R., Yasue K., Ohtani J., Evaluation of the effects of ... of over 250 along the Corona forest assemblage 2.2 Climatic data 13 Meann annualŁ temperature (°C) The soils are deep sandy brown earths, with parent material of sandstone and clay formed in the ... releases, against the transitional periods which reached a mean frequency of releases of less than one per year The releases that happened during the transitional periods were also scattered, and...

Ngày tải lên: 08/08/2014, 14:21

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Báo cáo khoa học: "Effect of endomycorrhizas and nematodes on the growth of seedlings of Dicorynia guianensis Amshoff, a tree species of the tropical rain forest in French Guiana " docx

Báo cáo khoa học: "Effect of endomycorrhizas and nematodes on the growth of seedlings of Dicorynia guianensis Amshoff, a tree species of the tropical rain forest in French Guiana " docx

... guianensis in French Guiana (Béreau and Garbaye, 1994) ance The analysis of variance of the data was first performed two-ways (four blocks and four treatments) for detecting general effects, and ... species of Caesalpiniaceae from the rain forest (Eperua falcata Aublet and Recordoxylon speciosum Benoist Norm and Mar) the same in the non-disinfected soils A and B Moreover, the similar mycorrhizal ... GianinazziPearson, S Gianinazzi, eds), INRA, Paris, France, 217-221 Dijon, Walkley A, Black JA (1934) An examination of the Degtjareff method for determining soil organic a proposed modification...

Ngày tải lên: 08/08/2014, 18:21

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Báo cáo y học: " A comparison of olanzapine and risperidone on the risk of psychiatric hospitalization in the naturalistic treatment of patients with schizophrenia" ppsx

Báo cáo y học: " A comparison of olanzapine and risperidone on the risk of psychiatric hospitalization in the naturalistic treatment of patients with schizophrenia" ppsx

... measure relapse, particularly hospitalization rates, but also duration of hospitalization and time to hospitalization [3,68] The most powerful predictor of relapse and hospitalization among patients ... Medicare populations, who account for nearly half of all admissions in NAPHS member hospitals Measures of patient characteristics The BDCF and MRAF provided information on patients' demographic and ... RIS-treated patients had a numerically higher hospitalization rate, a longer hospitalized duration, and a shorter median time to first hospitalization We also found that following discontinuation of...

Ngày tải lên: 08/08/2014, 20:23

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báo cáo khoa học: " Effects of ulinastatin and docataxel on breast tumor growth and expression of IL-6, IL-8, and TNF-a" doc

báo cáo khoa học: " Effects of ulinastatin and docataxel on breast tumor growth and expression of IL-6, IL-8, and TNF-a" doc

... of ulinastatin and docataxel on breast tumor growth and expression of IL-6, IL-8, and TNF -a Journal of Experimental & Clinical Cancer Research 2011 30:22 Figure 10 Effects of UTI and TAX on of ... primarily of tumor-related macrophages, can secrete TNF -a continuously to promote tumor formation, invasion, and metastasis via activation of protein-1 (AP-1) and the NF-KB pathway [12] Zhao ... effects of TNF -a are widespread and mediated through nearly all of the TNF -a receptors on tumor cells and many other cells Gong [10] demonstrated that increased TNF -a promotes invasion and metastasis...

Ngày tải lên: 10/08/2014, 10:21

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Báo cáo y học: "Assessment of efficacy and impact on work productivity and attendance after a mandatory switch to generic second-generation antihistamines: results of a patient survey in Norway" pdf

Báo cáo y học: "Assessment of efficacy and impact on work productivity and attendance after a mandatory switch to generic second-generation antihistamines: results of a patient survey in Norway" pdf

... statistical analysis and participated in the preparation of the manuscript All authors read and approved the final manuscript Competing interests Medical writing and editorial assistance was ... Kowalski ML, World Health Organization; GA(2)LEN; AllerGen, et al: Allergic Rhinitis and its Impact on Asthma (ARIA) 2008 Update (in collaboration with the World Health Organization, GA2LEN and ... survey and participated in its design and coordination; they also participated in the preparation of the manuscript FT participated in the design and coordination and had patients who answered...

Ngày tải lên: 13/08/2014, 13:22

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Báo cáo y học: "Validation and refinement of gene-regulatory pathways on a network of physical interactions" pps

Báo cáo y học: "Validation and refinement of gene-regulatory pathways on a network of physical interactions" pps

... score Additional data files Expression profiling Additonal data is available with the online version of this paper Additional data file contains Tables S1-S4 and wiring diagram illustrations for ... perturbation (gray nodes) Functional annotations (edge colors) are uniquely determined in (a) whereas multiple annotations are possible in (b) and (c) based on the available data Diagram layout ... 7, Article R62 Yeang et al R62.7 comment Figure and refinement of Validation (see previous page) Swi4 transcriptional cascades Validation and refinement of Swi4 transcriptional cascades Yeast...

Ngày tải lên: 14/08/2014, 14:21

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COLLEGE STUDENTS PERCEPTIONS OF QUARANTINE AND SOCIAL DISTANCING METHODS IN THE EVENT OF AN INFLUENZA PANDEMIC

COLLEGE STUDENTS PERCEPTIONS OF QUARANTINE AND SOCIAL DISTANCING METHODS IN THE EVENT OF AN INFLUENZA PANDEMIC

... influenza pandemic of 1918-1919 and SARS pandemic of 2003 was the wearing of masks in public and at home Although this is considered a method of personal protection and hygiene, it has been and in ... to breaking quarantine Even though SARS has a relatively low level of spread among the population, it had a significant psychological and economic impact in Toronto and Ontario and to a lesser ... run again and were used to report demographic data, as well as perceptions of all items on the survey Cronbach’s alpha was calculated for each section of questions with interval scale data (five...

Ngày tải lên: 24/08/2014, 11:39

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cheap talk, valuable results- a causal attribution model of the impact of promises and apologies on short-term trust recovery

cheap talk, valuable results- a causal attribution model of the impact of promises and apologies on short-term trust recovery

... what remains of a once-viable relationship may be recalibrated and reduced to a hollow, shell relationship: a faỗade of superficial cooperation may conceal deep distrust and resentment, and preclude ... violation of trust as a variable of interest It is widely acknowledged that trust violations within organizations are commonplace (Zemke, 2002), and research has confirmed that such violations are ... 1995) That is, trust in early stage relationships is generally arms-length (i.e., maintains professional distance), confined to specific transactions, and conferred on the basis of considerations...

Ngày tải lên: 02/11/2014, 00:26

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