Matter and its properties
... did you learn? atom How can you show that air has volume and takes up space? by Timothy Sandow buoyancy density element Matter and Its Properties How are the particles of a solid different than ... made to secure permission and provide appropriate credit for photographic material The publisher deeply regrets any omission and pledges to correct errors called to its attention in subsequent ... you are made of matter Matter is anything that takes up space and a sound when you bounce it You can smell a flower to learn about its properties has mass You can sense the mass of an object by...
Ngày tải lên: 03/10/2015, 21:41
... albicans, in addition to its antibacterial properties [13] This has been attributed to its N-terminal domain and is comparable to that of human defensins and human lysozyme Elafin and trappin-2 are both ... independent of its antiprotease activity and perhaps related to its cationic nature SLPI has a COOH Trappin-2 A62D M63L well-characterized fungicidal activity against Aspergillus fumigatus and Candida ... attractive candidate molecule for aerosol-based anti-inflammatory therapy, which targets neutrophil serine proteases in lung diseases Its antibacterial and antifungal properties may thus reinforce its...
Ngày tải lên: 18/02/2014, 17:20
... FluorTM 488 and Alexa FluorTM 546 were excited with an argon (488 nm) and He Ne (543 nm) laser, respectively, and emission was ltered using a narrow band LP 505530 nm (green uorescence) and LP 560 ... prominent in early and late endosomes [37] Our results suggest that in U937 cells cathepsins H and X concentrate in different vesicles from those containing cathepsins B, C, F, K and L, and that cystatin ... between cysteines and 37 As dimers have been observed in U937 cells under physiological conditions [22], dimerization of cystatin F could be a process regulating its inhibitory properties Screening...
Ngày tải lên: 19/02/2014, 17:20
Tài liệu Báo cáo khoa học: "AUTOMATIC SPEECH RECOGNITION AND ITS APPLICATION TO INFORMATION EXTRACTION" pdf
... as follows Section describes recent progress in broadcast news dictation and its application to information extraction, and Section describes human-computer dialogue systems In spite of the remarkable ... o r m a t i o n Extraction in the D A R P A Project News is filled with events, people, and organizations and all manner of relations among them The great richness of material and the naturally ... identification, and a noisy part, and were separately evaluated name extaction, topic c l a s s i f i c a t i o n and The clean part consisted of utterances with no information retrieval background noise, and...
Ngày tải lên: 20/02/2014, 18:20
Tài liệu Báo cáo khoa học: "A HARDWARE ALGORITHM FOR HIGH SPEED MORPHEME EXTRACTION AND ITS IMPLEMENTATION" pptx
... corresponds to the candidate level Candidates on the same level form one stream For example, in Fig 6(a), the character at the 3rd position has three candidates: the 1st candidate is ' ~ ' , ... one of the extracted morphemes, is composed of the 2nd candidate at the 1st position, the 1st candidate at the 2nd position and the 3rd candidate at the 3rd position The architecture described ... (a)-*(b), (b) *(c), (c) -*(d), (d) *(e), and so on S t e p and Step for P r o c e d u r e are implemented in each state for (a), (b), (c), (d), (e), and so on In state (a) for Fig 4, the index...
Ngày tải lên: 21/02/2014, 20:20
Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx
... alpha cellulose, and Klason lignin contents and the lowest extractive and ash contents The epidermis had the highest extractive and ash contents and the lowest holocellulose and alpha-cellulose ... fiberboard and evaluate water soaking, modulus of elasticity (MOE), modulus of rupture (MOR), and internal bond (IB) properties of the panels and compare the age effect on the physical and mechanical properties ... the physical properties of pulp [Tamolong 1967; Zamuco et al 1969] Aging of a bamboo culm influences physical, chemical, and mechanical properties, and consequently its processing and utilization...
Ngày tải lên: 22/02/2014, 09:20
Tài liệu MECHANICAL PROPERTIES OF THE HEART AND ITS INTERACTION WITH THE VASCULAR SYSTEM ppt
... understanding of the heart as a muscular pump and of the interaction between the heart and the vasculature The concepts of contractility, preload and afterload are paramount to this understanding and ... calcium and sarcomere length (i.e., the basic concepts of excitation–contraction coupling) To understand the basic anatomy of the heart and how whole organ ventricular properties relate to the properties ... bundles of myosin strands with each strand having a tail, a hinge and a head region The tail regions bind to each other in the central portion of the filament and the Page of 23 strands are aligned...
Ngày tải lên: 22/02/2014, 09:20
Báo cáo khoa học: Plant oxylipins: Plant responses to 12-oxo-phytodienoic acid are governed by its specific structural and functional properties ppt
... FEBS C Bottcher and S Pollmann ¨ for growth inhibitory effects and the development of necrotic lesions [56] Studies on flu and the flu ⁄ dde2-2 double mutant indicated that OPDA and ⁄ or dnOPDA ... functions and catalysis J Plant Physiol 163, 348–357 12 Schewe T (1998) Basic functions of lipoxygenases and their products in higher plants In Eicosanoids and Related Compounds in Plants and Animals ... Princeton, NJ 13 Hildebrand DF, Fukushige H, Afitlhile M & Wang C (1998) Lipoxygenases in plant development and senescence In Eicosanoids and Related Compounds in Plants and Animals (Rowley AF,...
Ngày tải lên: 16/03/2014, 02:20
Silicon quantum wires arrays synthesized by chemical vapor deposition and its micro structural properties
... surface and the M Lu et al / Chemical Physics Letters 374 (2003) 542–547 change in diameter along its length is seldom observed The SiNWs are virtually defect-free and show no kink, dislocation and ... with the pore surface and the atomic Si has absorbed and exchange energy and momentum with the atom, causing overcooling at the surface Because the precipitation, nucleation and growth of SiNWs ... tip of the SiNWs is sharp and has a perfect lattice structure This is in contrast with the previous SiNWs that are round and contain a high density of stacking faults and micro-twins Obviously,...
Ngày tải lên: 16/03/2014, 15:08
wo3 thin film sensor prepared by sol–gel technique and its low-temperature sensing properties to trimethylamine
... 4f5/2 and W 4f7/2 are found to lie at 37.1 and 35.20 eV, respectively and are contributed to lattice tungsten in the WO3 crystal 3.2 Gas sensing properties of the thin film sensors Results and discussion ... , CO, and water vapor were measured A given amount of each gas was injected into the chamber and mixed by a fan for 30 s The sensitivity to gases, S, is defined as S = V g /V a , where Vg and Va ... The relationship between the gas sensitivity and TMA concentration at 70◦ C NH3 , gasoline, C2 H5 OH, CH4 and CO at the same concentration of 1000 ppm and to water vapor These experimental results...
Ngày tải lên: 20/03/2014, 13:12
Báo cáo hóa học: " Research Article A Minimax Mutual Information Scheme for Supervised Feature Extraction and Its Application to EEG-Based Brain-Computer Interfacing" pot
... distinguish between rest state and imaginative hand movement The imaginative hand movement can be hand closing or hand opening From 200 data sets, 100 sets are randomly selected for training, ... formalism for quantifying these concepts Assume a random variable X representing continuousvalued random feature vector, and a discrete-valued random variable C representing the class labels In ... related Indeed, MI is zero if and only if the two random variables are strictly independent 2.2 Minimax mutual information approach to feature extraction The optimal feature extraction requires creating...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo lâm nghiệp: "Strength properties of thermally modified softwoods and its relation to polymeric structural wood constituents" pot
... strength (parallel and perpendicular to the grain; respectively DIN 52185 and DIN 52192), and tensile strength (parallel to the grain; DIN 52188), and Brinell hardness (parallel and perpendicular ... model by Rowell and Winandy [55] They suggest that mechanical properties, which relates to internal stress and strain, are simply functions of chemical bond strength: covalent and hydrogen intrapolymer ... rearrangements of the molecular structure of cellulose and/ or lignin, and its effects on the strength properties of wood, were not considered (e.g reorientation and/ or crystallisation of cellulose, polycondensation...
Ngày tải lên: 07/08/2014, 16:21
Báo cáo y học: "The Imperforate Anus Psychosocial Questionnaire (IAPSQ): Its construction and psychometric properties" potx
... Child and Adolescent Psychiatry and Mental Health 2009, 3:15 Background The psychosocial functioning of children born with physical and mental handicaps depends not only on the handicap, but ... factors and support, as most children's health and well-being are closely linked to their parents' physical, emotional and social health and to their social environment [1] According to Geist and ... congenital anomaly and its consequences require early surgery and invasive follow-up treatment that may affect the child psychosocially, including the child-parent relationship and interaction A...
Ngày tải lên: 13/08/2014, 18:21
manufacturing (LithiumSodium) Lubricant grease based on syrian base oil and studying its physical, chemical and rheological properties
... this work is to manufacturing lubricating grease from Syrian base oil and study its chemical-physical properties then determined its rheological characteristics Materials: Mineral oil (obtained from ... then cleaned and compared, according to the final color, to ASTM standard strips identified by numbers and letters (1a, 1b, 2a, 2b, etc.) For example, strip no 1a was slightly orange and strip no ... say, this grease doesn’t fit to use in wet places because of it can remind its mechanical properties, foul its structure and it possible to drift from lubricant fraction 4.2.6 Total Acid Number...
Ngày tải lên: 10/10/2014, 11:08
Study on extraction, conversion of hydroxycitric acid from leaves and fruit rinds of Garcinia oblongifolia Champ.ex Benth and its application to produce weight-loss products
... parts in the Central and Central Highlands In Vietnam, its leaves and fruits are used as food, its fruit rinds used for treating skin disease and its young buds for threatened miscarriage treatment ... other extraction conditions For extraction, the two main methods are applied: Extraction with water solvent steamed in pressure cooker and Soxhlet extraction with organic solvents as acetone and ... transformation and its application to slimming food products in detail Garcinia is a kind of high- yielding trees, easy to grow and exist in most of the parts in the Central and Central Highlands In...
Ngày tải lên: 07/05/2015, 21:00
Doping and its effect on zno properties
... studied the doping and its effects on the electrical and optical properties of ZnO film and nanostructures synthesized by pulsed laser deposition (PLD) and solution method (microwave and conventional ... “+” and “–” sign on top of the abbreviation Table 1.1 ZnO photoluminescence color and its associated intrinsic doping/defects C.B and V.B are the acronyms of conduction band and valence band, ... Tables Table 1.1 ZnO photoluminescence color and its associated intrinsic doping/defects C.B and V.B are the acronyms of conduction band and valence band respectively [17] Table 1.2 Intrinsic...
Ngày tải lên: 09/09/2015, 08:11
Aqueous phase behaviour of surfactant and its application in cloud point extraction
... high solubilization power for large triglyceride oils and fatty alcohols (Chen et al., 1997, 1998) and PAHs (Li and Chen, 2002), and its high extraction efficiency for PAHs (Bai et al., 2001) The ... significant application is the cloud-point extraction technique These include the extraction of metal ions, the separation and purification of biomolecules and the extraction of environmental pollutants ... traditional solvent extraction: a possibility of combining preconcentration and extraction in one step; water is utilized as main solvent so that it is less toxic and cost effective; and the presence...
Ngày tải lên: 30/09/2015, 14:16
Burrows – Wheeler Transform Its Properties And Applications
... possible number of bits From this representation we must be able to reconstruct the original text without any loss of information Historical motivations: – Save storage space and/ or bandwidth 0-th ... each symbol stores its frequency char freq a 5/11 b 2/11 a c 1/11 d 1/11 r 2/11 0-th order compressors S a b r a c a d a b r a C ● ● Build a table: for each symbol stores its frequency Assign ... symbols preceding it (its context) High order compressors ● We can achieve better compression if the codeword we assign to a symbol also depends on the k symbols preceding it (its context) S a b...
Ngày tải lên: 30/10/2015, 18:04
Purification and studies on natural cellulase properties and produce recombinant cellulase from fungus in vietnam
... perform the thesis: Purification and research of natural cellulase properties and expression cellulase recombinant from fungus in Vietnam” Objectives of the research (i) Purification and characterization ... of E coli and P pastoris; Optimal condition and expression biosynthesis endoglucanase 2.3.2 Methods of molecular biology 2.3.2.1 Extraction and purified DNA of fungi 2.3.2.2 Extraction and purified ... physicochemical properties of natural cellulase and recombinant endoglucanase Kinetic enzyme Optimal temperature and optimal pH Stability temperature and Stability pH Effect of metal ions, Detergents and...
Ngày tải lên: 04/02/2016, 10:18
Preparation, structure, and properties of solutionpolymerized styrenebutadiene rubber with functionalized endgroups and its silicafilled composites
... G0 -ε% and tand-ε% curves of vulcanizates (60 C) improve the silica-rubber linkage and silica dispersion in rubber matrix From tand-ε% curve, tand value of 1# vulcanizate is the highest and increases ... SSBR and A-SSBR Please cite this article in press as: Liu X, et al., Preparation, structure, and properties of solution-polymerized styrene-butadiene rubber with functionalized end-groups and its ... properties, mechanical properties and other dynamic properties of three rubbers (including one SSBR and two A-SSBRs) filled with silica were investigated respectively Besides, the mechanism and physics of...
Ngày tải lên: 11/06/2016, 22:43