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continents the moon and the length of earth s day

earth evolution of a habitable world

earth evolution of a habitable world

Anh ngữ cho trẻ em

... planetary disks themselves obscure the parallax shift When the planet Venus transits (passes across the disk of) the Sun, observations from different parts of the Earth can made of the precise times when ... function of mass of the star expressed in solar masses The Sun s mass on this scale is The lifetime is given in years The timescales for the appearance on our planet of life, of complex cells, and of ... four of the solar system s moons (Earth s Moon, Jupiter s Ganymede, Callisto, and Saturn s Titan) But they are the largest of a class of debris left over from the formation of the solar system...
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THE EFFECTS OF THREE ORGANIC CHEMICALS ON THE UPPER THERMAL TOLERANCES OF FOUR FRESHWATER FISHES potx

THE EFFECTS OF THREE ORGANIC CHEMICALS ON THE UPPER THERMAL TOLERANCES OF FOUR FRESHWATER FISHES potx

Tự động hóa

... simultaneously in glass vessels using the same stock solutions of these chemicals, with the fish species as part of the other aspect of the project [23,24] Recovery rates after 24 h for endosulfan, ... tolerances of fish in the absence and presence of chemicals were measured individually using the CTMaximum test method The methodology for conducting the tests for this study was designed on the basis ... concentrations used in the present study are presented in Table Measured values or recovery rates of test chemicals can be estimated on the basis of the results obtained from acute tests, conducted simultaneously...
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Globalization and its effects on the development of educational service in Vietnam

Globalization and its effects on the development of educational service in Vietnam

Kinh tế - Quản lý

... factors which are usually suggested as possible candidates The first is openness to trade (and the globalisation process) and the second is technical progress and the associated organisational ... discussed above While the services sector has facilitated both fragmentation of the production process and the emergence of global value chains in the goods sector , it has itself been less associated ... levels of educational attainment and the growth of certain occupations such managers, professionals, technicians and associated professionals Despite an increasing concentration on lessskilled...
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THE INFLUENCE OF HUMAN ACTIVIES ON THE ENVIRONMENT

THE INFLUENCE OF HUMAN ACTIVIES ON THE ENVIRONMENT

Tiếng anh

... the timber increases the level of carbon dioxide in the air Less trees means less carbon dioxide absorbed for photosynthesis Soil is eroded as it is exposed to the wind and rain Less water is ... resources Humans are using up the earth s resources, including fossil fuels Burning fossil fuels in cars and power stations produces carbon dioxide, sulphur dioxide and other greenhouse gases ... dioxide traps heat in the atmosphere and causes the temperature of the earth to rise • This leads to disruption of the weather patterns eg drought, floods • Some weeds may thrive on the extra carbon...
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Tài liệu The Influence of Human Activity on the Environment ppt

Tài liệu The Influence of Human Activity on the Environment ppt

Điện - Điện tử

... the timber increases the level of carbon dioxide in the air Less trees means less carbon dioxide absorbed for photosynthesis Soil is eroded as it is exposed to the wind and rain Less water is ... resources Humans are using up the earth s resources, including fossil fuels Burning fossil fuels in cars and power stations produces carbon dioxide, sulphur dioxide and other greenhouse gases ... dioxide traps heat in the atmosphere and causes the temperature of the earth to rise • This leads to disruption of the weather patterns eg drought, floods • Some weeds may thrive on the extra carbon...
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Age- and sex-related effects on the neuroanatomy of healthy elderly pdf

Age- and sex-related effects on the neuroanatomy of healthy elderly pdf

Sức khỏe người cao tuổi

... versus longitudinal studies Before discussing our results in details, it is also worthwhile discussing the intrinsic limitations of cross-sectional studies, such as ours, where age effects on ... of fact, key structures of these two systems (the substantia nigra and the nucleus basalis of Meynert, respectively) show a loss of dopaminergic/ cholinergic neurons with age (Rehman and Masson, ... losses in the corpus callosum and in the major pathways surrounding the lateral ventricles such as the anterior and posterior callosal fibers, the optical tracts, and the posterior limb of the...
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Báo cáo khoa học: Spectroscopic and kinetic properties of the horseradish peroxidase mutant T171S Evidence for selective effects on the reduced state of the enzyme potx

Báo cáo khoa học: Spectroscopic and kinetic properties of the horseradish peroxidase mutant T171S Evidence for selective effects on the reduced state of the enzyme potx

Báo cáo khoa học

... raising the pH to 8.9 The pH sensitivity of these frequencies is a common characteristic of all peroxidases and is a consequence of the strong H-bond between the proximal His and Asp residues ... this shows two Fe-Im stretches at 233 and 249 cm)1 This is a rather anomalous hybrid peroxidase, that exhibits the spectroscopic characteristics and substrate preferences of both class I and ... effects that are mediated exclusively on the reduced state of the enzyme We hypothesize that this residue imposes a degree of rigidity to the structure of the reduced state of class III peroxidases...
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Báo cáo khoa học:

Báo cáo khoa học: "An experiment on the upper bound of interjudge agreement: the case of tagging" docx

Báo cáo khoa học

... of the new linguists is described, as well as the test data and experimental setting Finally, the results are presented ENGCG tag set Descriptions of the morphological tags used by the English ... identifies words left without an analysis, in which case the linguist was to provide the m~.~sing analysis These analysed versions of the same text were compared to each other using the Unix sdiff ... be always right (or wrong) and so 'reconsiders' only in terms of the existing analysis The linguists were told t h a t some of the words marked with the "RECONSIDER" symbol were analysed differently...
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Dry mouth and its effects on the oral health of elderly people pptx

Dry mouth and its effects on the oral health of elderly people pptx

Sức khỏe người cao tuổi

... disorder occurs with other autoimmune diseases, such as rheumatoid arthritis, systemic lupus erythematosus, scleroderma, polymyositis and polyarteritis nodosa.2,15 The onset of the disease often ... “keratoconjunctivitis sicca.” Other systemic findings include synovitis, neuropathy, vasculitis and disorders of the skin, thyroid gland, urogenital system and respiratory and gastrointestinal tracts Most serious ... gums, mints, lozenges (Table) Oral rinses, ointments, pastilles Poorly Fitting Prostheses dSoft- and hard-tissue relines by dentist dUse of denture adhesives and troches are effective for most...
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Báo cáo khoa học: ATP-binding domain of heat shock protein 70 is essential for its effects on the inhibition of the release of the second mitochondria-derived activator of caspase and apoptosis in C2C12 cells potx

Báo cáo khoa học: ATP-binding domain of heat shock protein 70 is essential for its effects on the inhibition of the release of the second mitochondria-derived activator of caspase and apoptosis in C2C12 cells potx

Báo cáo khoa học

... domain of HSP70 is essential for the inhibition of H2O2-induced activation of caspases-9 and -3 and apoptosis (A) The effects of HSP70 and its deletion mutant proteins on the activation of caspases-9 ... apoptosis; however, HSP70 overexpression significantly prevented such stress-induced apoptosis Because these effects were similar to those of our previous observations for the same cells undergoing ... increased expression of the anti-apoptotic protein, Bcl-2 [33] On the basis of the available evidence, HSP70 and HSP70DPBD may also suppress Smac release and apoptosis by regulating the expression...
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thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors

thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors

Vật lý

... vapors of 1000 ppm as presented in the lowest curve The vertical arrow corresponds to the magnitude of 10 in sensor response separated measurements using a fast response sensor The length of the ... exposure to other volatile vapors for evaluating the sensing characteristics of our nanorod sensors in terms of sensitivity and selectivity Fig shows time-dependent sensor response profiles of ... that the sensor has fast response and short recovery time In the case of a 400 ◦ C annealed sensor, the response abruptly increases to the 90% level of a maximum value within a time of less than...
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Marijuana Effects on the Endocrine and Reproductive Systems pptx

Marijuana Effects on the Endocrine and Reproductive Systems pptx

Sức khỏe phụ nữ

... test systems such as primary spermatocytes and bone marrow cells, whereas the human lymphocyte system is relatively insensitive to their clastogenic effects He then reported the results of his ... apparatus for cell division (Kusyk and Hsu 1976) The effects of a mitotic disrupter mainfest themselves as abnormal movements of chromosomes errors of chromosome segregation (FCS), during mitosis, and ... other substances, nutrition, truthfulness of the woman 's recall and report of the amount of use, changes in use during pregnancy and the trimester when these changes occurred, and a host of other...
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Báo cáo khoa học:

Báo cáo khoa học: "Corpus Effects on the Evaluation of Automated Transliteration Systems" docx

Báo cáo khoa học

... evaluate the list Li of target words produced by a transliteration system for source word si , a test corpus is constructed The test corpus consists of a source word, si , and a list of possible ... surrounding consonants and vowels The full details of this system are not important for this paper; here we focus on the performance evaluation of systems, not the systems themselves 641 2.1 System Evaluation ... result is a list of target words sorted by their associated probabilities, Li The first system we use (SYS-1) is an n-gram approach that uses the last character of the previous source segment to...
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Báo cáo khoa học: Temperature and salts effects on the peptidase activities of the recombinant metallooligopeptidases neurolysin and thimet oligopeptidase pdf

Báo cáo khoa học: Temperature and salts effects on the peptidase activities of the recombinant metallooligopeptidases neurolysin and thimet oligopeptidase pdf

Báo cáo khoa học

... on these substrates is the variability of the cleavage sites, which is a consequence of modications in size or in nature of the amino acids at different positions of the substrates [5,6] The ... cleavage sites and on the amount of their hydrolysis This series of peptides was chosen because the P2Â and P3Â positions were demonstrated to be very determinant on the specicity of neurolysin and ... [5] The kinetic parameters of hydrolysis and the variations of the cleavage sites of this series of peptides by these two oligopeptidases were evaluated in different conditions of temperature and...
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Báo cáo khoa học: Conformational stability of neuroglobin helix F – possible effects on the folding pathway within the globin family potx

Báo cáo khoa học: Conformational stability of neuroglobin helix F – possible effects on the folding pathway within the globin family potx

Báo cáo khoa học

... in a simulation time as short as ns Although the loss of secondary structure for apoMb is expected, it is not obvious how fast this process may be Molecular dynamics simulation shows that the ... contamination of the apoprotein preparation by the holoprotein was assessed spectrophotometrically, and no significant absorption was observed in the Soret region 5186 Peptide synthesis The peptides used ... variants were also studied bearing a single residue replacement The amino acid sequences of the peptides used herein are shown in Fig 1B The peptides were synthesized by solid-phase peptide synthesis...
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Báo cáo Y học:Association of the thyrotropin receptor with calnexin, calreticulin and BiP Effects on the maturation of the receptor docx

Báo cáo Y học:Association of the thyrotropin receptor with calnexin, calreticulin and BiP Effects on the maturation of the receptor docx

Báo cáo khoa học

... TSHR RESULTS Synthesis, maturation and degradation of TSHR at the endoplasmic reticulum level To study the maturation of TSHR after its synthesis, K562 cells stably transfected with human TSHR [11] ... pulsechase analyses on TSHR-K562 cells treated with and without mM of CST, which is known to inhibit the trimming of the three glucoses from the core oligosaccharide and the subsequent association ... been described as being necessary to the folding and oligomeric assembly of various glycoproteins [17] To study the role of CNX and CRT in the folding of newly synthesized TSHR molecules, we performed...
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Báo cáo hóa học:

Báo cáo hóa học: " Excitonic effects on the second-order nonlinear optical properties of semi-spherical quantum dots" pdf

Hóa học - Dầu khí

... hole increases, and therefore the Coulomb interaction decreases, as the energy of the quantum state increases The final result is a blue-shift of the OR and SHG peaks of the order of meV for ... manifests itself in a blue-shift of the energy peaks of the order of several meV in the studied spectra These results were found for two quantum dot sizes, in the first one the characteristic ... above We have used the software COM-SOL Multiphysics, which offers the possibility of defining a geometry, in this case the upper half of a sphere, and to solve the time-independent Schrödinger...
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Báo cáo hóa học:

Báo cáo hóa học: " Size and temperature effects on the viscosity of water inside carbon nanotubes" pptx

Hóa học - Dầu khí

... consumption on the concerned information Results and discussion Figure shows the relative viscosity of water confined in SWCNTs versus the diameter at 298, 325, and 350 K The relative viscosity is the ratio ... nanoscale To further understand the size and the temperature influences, the amount of the hydrogen bonds of water confined in SWCNTs is also studied The amount of the hydrogen bonds can be used to characterize ... bonds of the confined water versus the diameter; (b) the comparison of the amount of the hydrogen bonds and the viscosity of the bulk water at the three temperatures Ye et al Nanoscale Research...
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Báo cáo hóa học:

Báo cáo hóa học: " Polycrystallization effects on the nanoscale electrical properties of high-k dielectrics" doc

Hóa học - Dầu khí

... with the stress on amorphous (spots S1 and S2 ) and polycrystalline samples (S3 , S4 , and S5 ) Note that the weak spots in the polycrystalline structure show, before the stress ("first scan”), larger ... However, the leaky sites of polycrystalline structures (spot S3 , S4 , and S5 ) have a larger conductivity compared to those of amorphous samples (S1 and S2 ) As discussed in the previous section, the ... images measured on the amorphous (a, b, and c) and polycrystalline (d, e, and f) samples The first scan corresponds to images (a) and (d) and, the last scan, to images (c) and (f) The sizes of the...
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Báo cáo toán học:

Báo cáo toán học: "On the upper and lower chromatic numbers of BSQSs(16)" ppt

Báo cáo khoa học

... blocking set So BSQSs(16) colourable with strict colourings which use two and three colours exist and only “3-strict” colourable BSQSs(16) also exist There are two classes of BSQS(16): the first class ... 2, then let us define the set of vertices SI ⊆ X as the union of |I| colouring classes coloured with the colours (i) inside I The number of triples of vertices coloured with different colours of ... C-edges and D-edges [8] In [8, 9, 10] the necessary conditions for the existence of strict colourings for BSQSs were determined and the exact value of the upper chromatic number for BSQS(8), BSQS(10)...
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