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bacteria morphology and physiology

Morphology and physiology of viruses

Morphology and physiology of viruses

Sinh học

... (transcription and translation) by the host cell CLASSIFICATION OF VIRUSES (1) Nucleic acid type: RNA or DNA; single-stranded or doublestranded; strategy of replication (2) Size and morphology, ... number of capsomeres, and presence of membranes (3) Presence of specific enzymes, particularly RNA and DNA polymerases, and neuraminidase (4) Susceptibility to physical and chemical agents, especially ... probably of cellular origin and characterized by a long co-evolution of virus and host For propagation viruses depend on specialized host cells supplying the complex metabolic and biosynthetic machinery...
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THE ALKALOIDS Chemistry and Physiology VOLUME V pptx

THE ALKALOIDS Chemistry and Physiology VOLUME V pptx

Sức khỏe giới tính

... codeine (Houde and Wallenstein, 65) (See also Figs and 5.) c Addiction Euphoria, tolerance, and addiction have been reported in man and tolerance and addiction in the monkey (1) Codeine can and does ... of Denton and Beecher, the pain threshold was determined before and 90 after the injection There is a possibility that the discrepancies between Hardy, Wolff, and Goodell and Denton and Beecher ... lines of Figs and can be evaluated as follows: + 0.00613 D(d) Z(m) = 1.04 + 0.0775 D(m) I(d) = 1.07 where I ( d) and I(m) are the analgesic indices of demerol and morphine and D(d) and D(m) are...
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Viruses STRUCTURE, CLASSIFICATION AND PHYSIOLOGY OF VIRUSES

Viruses STRUCTURE, CLASSIFICATION AND PHYSIOLOGY OF VIRUSES

Sinh học

... alive) and the prokaryotic cells (which are), lie the viruses and bacteriophages (phages) These twilight creatures are parasites responsible for causing many diseases in living things (herpes and ... consist of a core of nucleic acid, either DNA or RNA, and a protective coat of protein molecules and sometimes lipids In isolation, viruses and bacteriophages show none of the expected signs of ... collection of macromolecules and they show one of the most important signs of life: the ability to reproduce at a fantastic rate but only in a host cell Bacteriophages attack bacteria (prokaryotes)...
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Morphology and growth mechanism study of self assembled silicon nanowires synthesized by thermal evaporation

Morphology and growth mechanism study of self assembled silicon nanowires synthesized by thermal evaporation

Vật lý

... growth history related to the morphology and growth temperature We show that the formation of SiNWs is indeed closely related to the amorphous SiO particles, and the growth and self-assembling process ... gas 19 phase, which ensures the continual phase separation and precipitation and results in the formation of SiNWs made of a Si core and a SiO2 sheath The one-dimensional growth of SiNWs is facilitated ... relationship between the SiNWs and SiO particles can be seen more clearly from Fig 2a, Fig (a) and (b) An initial growth stage of SiNWs can be found from fresh SiO particles and (c) `C' indicates a...
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Temperature dependence of morphology and diameter of silicon nanowires synthesized by laser ablation

Temperature dependence of morphology and diameter of silicon nanowires synthesized by laser ablation

Vật lý

... zone A, a thick dark yellow fluffy product in Zone B, and a thin light yellow powderlike product in zone C As can be seen in Fig 1, both morphology and diameter of as-grown SiNWs are different in different ... confirmed that the kinks only contained silicon and oxygen It should be noted that, from zone A to zone B, the temperature dependence of the morphology and diameter of the SiNWs is similar to that ... introduced and kept flowing at a flow rate of 50 sccm The pressure in the tube was controlled at 300 Torr Then the furnace was heated to 1200 °C at the central region After the temperature and pressure...
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the role of morphology and crystallographic structure of metal oxides

the role of morphology and crystallographic structure of metal oxides

Vật lý

... materials, it is necessary to expand our understanding of gas sensor mechanism in nanoand polycrystalline oxides For example, it is necessary to establish the role of morphology and crystallographic structure ... Science and Engineering R 61 (2008) 1–39 Fig 19 Cracking influence on morphology of In2O3 and gas penetrability of metal oxides (Adapted with permission from Refs [87,134] Copyright 2001 and 2004: ... direction and another in the {2 1} and {3 1} directions So, the determination of crystallographic planes with optimal combinations of adsorption/desorption and catalytic parameters, and the development...
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Báo cáo khoa học: TRPV1 at nerve endings regulates growth cone morphology and movement through cytoskeleton reorganization ppt

Báo cáo khoa học: TRPV1 at nerve endings regulates growth cone morphology and movement through cytoskeleton reorganization ppt

Báo cáo khoa học

... C Goswami et al the morphology and movement of TRPV1-positive growth cones We demonstrate that NADA, an endogenous ligand of TRPV1, not only affects growth cone morphology and movement, but also ... the cytoskeletal organization of neurite extensions and regulates neurite morphology and extension Results TRPV1 is localized in the central and peripheral zones of growth cones Growth cones, ... Untreated explants (top panel, a and b), treated with agonist RTX in absence (middle panel, c and d) or presence of the antagonist IRTX (lower panel, e and f) are fixed and stained for tubulin Arrowheads...
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Báo cáo khoa học:

Báo cáo khoa học: "A Part of Speech Estimation Method for Japanese Unknown Words using a Statistical Model of Morphology and Context" pptx

Báo cáo khoa học

... thousand sentences We call the first test set (100 thousand sentences) "test set-l" and the second test set (5 thousand sentences) "test set-T' Table shows the number of sentences, words, and ... In this experiment, we randomly selected two sets of 100 thousand sentences The first 100 thousand sentences are used for training the language model The second 100 thousand sentences are used ... - f(ci, < W T > , ) and f(ci[ci-t, < W T > , ) are the relative frequencies of the character unigram and bigram for each word type and part of speech, f(ci) and f(cilci_l) are the relative...
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Báo cáo khoa học:

Báo cáo khoa học: "Expansion of Multi-Word Terms for Indexing and Retrieval Using Morphology and Syntax" pdf

Báo cáo khoa học

... rich stemming (Popovi~ and Willett, 1992) Since we focus on French, a language with a rich declensional inflectional and derivational morphology we have chosen the richest and most precise morphological ... of Speech Disambiguation and Morphology The morphological analysis performed in this study is detailed in (Tzoukermann, Klavans, and Jacquemin, 1997) It is more complete and linguistically more ... Krovetz, Robert and W Bruce Croft 1992 Lexical ambiguity and information retrieval ACM Transactions on Information Systems, 10(2):115-141 Lewis, David D., W Bruce Croft, and Nehru Bhandaru 1989 Language-oriented...
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energy relaxation in cdse nanocrystals the effects of morphology and film preparation

energy relaxation in cdse nanocrystals the effects of morphology and film preparation

Vật lý

... electron and hole before intraband relaxation of the electron and hole from the excited state to the band edge The rise time of the TA traces in Figs 2(a) and 3(a), corresponds to the intraband exciton ... ratios Results and discussion Analysis of TEM images shown in Figs 1(a) and 1(d) show average QD diameters of ~4.0 nm with a standard deviation of 7% and average QR diameters of ~4.0 nm and lengths ... to relax to the band edge is the rise time of the B1 TA signal [1] For the QD and QR sample, the intraband relaxation times were approximately 700 fs and 1100 fs for the QD and QR respectively...
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facile  synthesis  of  zno  micro-nanostructures  with  controllable  morphology  and

facile synthesis of zno micro-nanostructures with controllable morphology and

Cao đẳng - Đại học

... Results and discussion 3.1 Morphology and structural analyses Fig depicts the SEM images of micro-nanostructured ZnO grown under different pH, namely, 7, 8, 9, 10 and 11 The growth temperature and ... micro-nanostructured ZnO under different pH: (a) 7; (b) 8; (c and f) 9; (d and g) 10; and (e) 11 Lower magnification SEM images (f) and (g) Side view images of micro-nanostructured ZnO at pH = ... controlled at (Fig 1a) The amount of Zn(OH)4 2− and Zn(NH3 )4 2+ increases with the pH When the pH is above 8, Zn(OH)4 2− and Zn(NH3 )4 2+ will gather and decompose to ZnO nuclei at the beginning...
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Practical test 3 plant diversity anatomy and physiology

Practical test 3 plant diversity anatomy and physiology

Sinh học

... (10 points) Part B: Seed morphology and anatomy (27 points) Part C: Ficus propagule dissection (5 points) Part D: Functional, ecological and phylogenetic aspects of seeds and seedlings (18 points) ... seedlings (18 points) Task II: Plant anatomy and physiology (40 points) Part A: Anatomy of a plant stem (13 points) Part B: Study of leaf epidermis and physiology (17 points) Part C: Interpretation ... ANATOMY & PHYSIOLOGY PRACTICAL TEST Materials and equipment: For Task I: Plant diversity and anatomy Materials and equipment Quantity Unit Seedlings: A, B, C and D (in plastic cups) specimen Seeds/propagules:...
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Practical test 3 plant diversity anatomy and physiology answer sheet

Practical test 3 plant diversity anatomy and physiology answer sheet

Sinh học

... SINGAPORE PRACTICAL TEST ANSWER SHEET PLANT DIVERSITY, ANATOMY & PHYSIOLOGY Task I (60 points) Plant diversity and anatomy Part A Morphology of seedlings (14 points) Q1.1 (0.5 points × 20 = 10 ... of 13 IBO2012 SINGAPORE PRACTICAL TEST ANSWER SHEET PLANT DIVERSITY, ANATOMY & PHYSIOLOGY Part B Seed morphology and anatomy (27 points) Q1.2 (0.25 points × 12 = points) Absent: _ Absent: ... SINGAPORE PRACTICAL TEST ANSWER SHEET PLANT DIVERSITY, ANATOMY & PHYSIOLOGY Part D Functional, ecological and phylogenetic aspects of seeds and seedlings (19 points) Q1.6 (0.5 points × = 4.5 points)...
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soille, pesaresi, ouzounis  -  mathematical morphology and its applications to image and signal processing

soille, pesaresi, ouzounis - mathematical morphology and its applications to image and signal processing

Thiết kế - Đồ họa - Flash

... Decompositions and Transformations as Peaks and Wells 31 Fig Columns and : Binary sets Z and Y and their decomposition Column : Z Y and its decomposition Column : Z Y and its decomposition 4.1 “Supremum” and ... Mathematical Morphology and General Form of Fuzzy Erosions and Dilations Fuzzy Sets and Systems 160, 1858–1867 (2009) Image Decompositions and Transformations as Peaks and Wells Fernand Meyer Mines ... right if and only if ε and δ defined by Equations 12 and 13 are algebraic erosion and dilation, respectively Proposition 11 Let δ and ε be a dilation and an erosion defined by Equations 13 and 12...
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Báo cáo hóa học:

Báo cáo hóa học: " Effect of growth temperature on the morphology and phonon properties of InAs nanowires on Si substrates" doc

Hóa học - Dầu khí

... vertically and form NWs The few large InAs islands and non-vertical InAs NWs observed in sample A, B, and C can be explained by the reoxidation in the system, which provides nucleation sites and reactant ... sequentially) and etched in buffered oxide etch solution (BOE, six parts 40% NH4F and one part 49% HF) for 30 s to remove the native oxide, and then rinsed in deionized water for 15 s and dried with ... et al [20] and Tiong et al [21], and also generalized by Campbell and Faucher et al [22], the reduction in physical dimension of materials can lead to a downshift of phonon frequency and a broadening...
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Báo cáo hóa học:

Báo cáo hóa học: " Morphology and Microstructure of As-Synthesized Anodic TiO2 Nanotube Arrays" potx

Hóa học - Dầu khí

... Results and Discussion Morphology The anodic conditions and morphology parameters of the nanotubes, prepared in the electrolytes containing 0.175 M NH4F and different volume ratios of water and glycerol, ... with those of samples and 3) Figure 1f shows the SEM bottom and bottom side (inset) views of sample The tube bottom exhibits the hexagon-like cell morphology Que Anh S Nguyen and co-workers reported ... by Table The anodic conditions and morphology parameters of the nanotubes prepared in the electrolytes containing 0.175 M NH4F and different volume ratios of water and glycerol Samples Electrolytes...
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Báo cáo hóa học:

Báo cáo hóa học: " Morphology and Photoluminescence of HfO2 Obtained by Microwave-Hydrothermal" pot

Hóa học - Dầu khí

... levels between the valence band and conduction bands (deep and shallow holes) within the band gap The PL behavior was related to the existence of oxygen vacancies and/ or distortions on the [HfO6] ... oxygen 2p states (near the valence band) and hafnium 5d states (below the conduction band) [73] The PL spectrum of rice-like HfO2 nanostructures shows a broad band covering a large part of the visible ... clusters and indirect forbidden transitions, respectively) According to Park et al [66] and Ramo et al [67] the monoclinic HfO2 structure presents an indirect band gap In principle, the band gap...
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Báo cáo hóa học:

Báo cáo hóa học: " Sulfonated Styrene-(ethylene-co-butylene)-styrene/ Montmorillonite Clay Nanocomposites: Synthesis, Morphology, and Properties" docx

Báo cáo khoa học

... the surface water and measuring the resistance employing the same set up Results and Discussion 1,465 cm-1 for stretching of –CH3 and –CH2 remain in their respective position and their intensity ... between MT clay structure and pendant sulfonated polystyrene group (shown in Scheme 2) in sulfonated SEBS The peaks for H bonded –OH band near 3,430 cm-1 and the peaks at 523 and 466 cm-1 for MT clay ... mechanism, S3SEBS and S6SEBs show much water diffusion (1,445 cm3/7day and 2,445 cm3/7day) as depicted in Fig Around 21% and 91% improvements have been imposed by S3SEBSMT4 and S6SEBSMT4 nanocomposites,...
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