the major unsolved problem in biology
john derbyshire - prime obsession bernhard riemann and the greatest unsolved problem in mathemati
Ngày tải lên :
05/06/2014, 11:08
... analysis in 1748, he called it Introductio in analysin infinitorum: “Introduction to the Analysis of the Infinite.” The notions of the infinite and the infinitesimal created serious problems in math ... give another proof of the infinity of primes in Chapter 7.iv, after showing you the “Golden Key.”) Having had that point settled so early in the history of mathematics, the next thing mathematicians ... thought of as the study of the infinite, that is, the infinitely large, and of the infinitesimal, the infinitely small When Leonhard Euler—of whom I shall write much more later—published the first...
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Báo cáo khoa học: Zinc-binding property of the major yolk protein in the sea urchin ) implications of its role as a zinc transporter for gametogenesis ppt
Ngày tải lên :
16/03/2014, 05:20
... Zinc-binding protein in the sea urchin T Unuma et al mainly in the digestive tract [8] and in the nutritive phagocytes of the ovary and testis [10], and it is accumulated abundantly in the ... EGMYP, enabling it to retain zinc Indeed, 33% of the total zinc in the ovary at stage and 13% of the total zinc in the testis at stage is still bound to MYP On the basis of the results of the present ... vitellogenin in a subpopulation of sea urchin coelomocytes Eur J Cell Biol 64, 314–319 Zinc-binding protein in the sea urchin 20 Brooks JM & Wessel GM (2002) The major yolk protein in sea urchins is...
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Báo cáo khoa học: "Words and Echoes: Assessing and Mitigating the Non-Randomness Problem in Word Frequency Distribution Modeling" ppt
Ngày tải lên :
17/03/2014, 04:20
... on the training set and quality of prediction, as illustrated for V prediction at 3N0 by the triangles in Figure (again, the patterns in this 10 In looking at the V1 data, it must be kept in mind, ... attempt, for the first time, to evaluate LNRE models on unseen data However, rather than splitting the data into separate training and test sets, they evaluate the models in an extrapolation setting, ... between X and rMSE Focusing for now on the circles (pinpointing the ZM, fZM and GIGP models), we see that there is instead a negative correlation between goodness of fit on the training set and quality...
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Lund University International Master’s Programme in Environmental Science (LUMES): Assessment of Efforts to Solve the Water Pollution Problem in Kaunas pdf
Ngày tải lên :
23/03/2014, 00:20
... wastewater increases by 46% in the future due to higher industrial production and it reaches the level of 1995 in 2005, then BOD in the river will increase to 3.68mg/l (the increase in BOD in the river ... utilisation The water in the reservoir adjoins the Nemunas river, but water quality in the reservoir is much better than in the river Within Kaunas city the Neris river flows into the Nemunas The Neris ... pike was lowest in the point just downstream the city at the left bank (the main wastewater outlet is on that side) and was increasing going farther downstream from the city The relative abundance...
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A Bayesian network approach to the database search problem in criminal proceedings docx
Ngày tải lên :
23/03/2014, 12:20
... Probability that the suspect is the source of the crime stain In the setting considered at this point, the suspect is the only typed individual among the N persons Let us write M1 for the finding that ... except the suspect being in the database) minus the suspect The former, in Equation 7, involves only a sum over those members of the population which are not in the database Stated otherwise, the ... is the source of the crime stain is shown by the state H1 in the node H The network (ii) shows a situation in which the additional information about the second (non-matching) individual on the...
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Báo cáo hóa học: "Research Article Target Localization by Resolving the Time Synchronization Problem in Bistatic Radar Systems" potx
Ngày tải lên :
21/06/2014, 22:20
... hence this option is discarded in estimating the signal processing gain The final expression for the signal processing gain of the lag finder is obtained by the use of the earlier result as ⎛ ⎞ Ts ... Journal on Advances in Signal Processing H The dominant term in the expression for w2 w2 is given by −1 the first term inside the bracket involving R1 s1,1 , which can be simplified using (A.11) as we ... as moving targets, at a postprocessing stage In this study, first we formulate the problem (Section 2), and then in Section we discuss the properties of the original TSI finder In Section we introduce...
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Báo cáo sinh học : " The importance of mathematics in biology is a matter of perennial debate" pot
Ngày tải lên :
06/08/2014, 19:20
... signaling are also implicated, and in which the Hes/her cellintrinsic oscillator may not be the only one Robertson least in so complex a system as a developing embryo, then facts - and indeed ... and indeed understanding - at many levels must be fed into the mathematics Nor should the value of facts and understanding on their own be dismissed The case for Darwin's theory of evolution by ... surprising, and may dwindle (either in extent or in significance) with the accumulation of more facts There seems no need for the snobbery (it is said) of the highly quantitative founding biologists...
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Báo cáo y học: "Giantin is the major Golgi autoantigen in human anti-Golgi complex sera" pptx
Ngày tải lên :
09/08/2014, 01:23
... giantin are located in the carboxyl-terminal domain, including the transmembrane signal sequence However, the epitopes localized in the distal amino-terminus or central domains of giantin can ... giantin has a greater frequency of reactivity than other golgins Differences between giantin and other golgins include the following: giantin is the highest molecular weight Golgi protein and ... be the unique nature of the trans-membrane domain of giantin and the GRIP domain of other golgins that allow the presentation of these Golgi membrane-stabilized antigens to the immune system independently...
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Báo cáo y học: "Hepatitis C virus core, NS3, NS4B and NS5A are the major immunogenic proteins in humoral immunity in chronic HCV infection" potx
Ngày tải lên :
12/08/2014, 04:21
... some faint staining in 11 HCV-negative samples against certain individual HCV proteins, while no antisera recognized the core protein, which represents the major HCV immunogenic protein (see ... with interferon-α monotherapy [21,22] for 12 months in the case of genotype infection and for months in genotype infection The serum samples from these five patients were collected in the begin- ... purification of nine different recombinant HCV proteins in insect cells and analyzed humoral immune response against each viral protein using Western blotting in patients suffering from chronic HCV infection...
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The Two Body Problem in Aircraft
Ngày tải lên :
05/08/2016, 00:50
... of the semi- major axis of the ellipse In the case of orbits about the sun, the other end of the semi -major axis is known as aphelion and is the position furthest from the sun Since the origin ... of the Ascending Node i ≡ The Inclination of the Orbit (6.3.4) While we have now located the object in its orbit, we have yet to find it in the sky 6.4 The Location of the object in the Sky The ... of the object in the sky involves nothing more than the transformation from the coordinate system specifying the location of the object in its orbit to the coordinate system of the observer The...
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31128 obesity the number 1 problem in america
Ngày tải lên :
27/08/2016, 08:28
... B) Answer the questions about the text Name some of the causes of obesity What’s the percentage of obese people in the USA? What kind of food does the school cafeteria mentioned in the text provide? ... What’s the most common lunch served in there? What are the advantages of eating healthy food? Why is homework part of the obesity problem? Which piece of advice does the author give at the end of the ... Answer these personal questions Why you think obesity is becoming such a problem in the United States and throughout the world? How often you have unhealthy food? What kind of food that you think...
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Báo cáo y học: " Work disability remains a major problem in rheumatoid arthritis in the 2000s: data from 32 countries in the QUEST-RA Study" doc
Ngày tải lên :
12/08/2014, 12:20
... work disability rates in RA [7], according to observations in clinical trials [8-12] However, reports of clinical cohorts indicate that work disability remains a major problem in RA [13-16] Possible ... per clinic in different countries, including countries outside Western Europe and North America In June 2009, the QUEST-RA database included 8,039 patients from 86 clinics in 32 countries The QUEST-RA ... begun during the 2000s and were working at the baseline, the rates of probability (95% confidence interval) to continue working were 80% (78% to 82%) at years and 68% (65% to 71%) at years, in a...
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A study on group discussion and its impacts on speaking ability of the non major students at the post elementary level in military science academy
Ngày tải lên :
07/09/2013, 13:02
... each other in society This is a reason why the Ministry of Education and Training needs to innovate the way of the second language teaching by applying the communicative approach in teaching English ... some of the specific features naturally occurring in the language used during the Task Cycle Learners examine the language forms in the text and look in detail at the use and the meaning of lexical ... thinking” into “productive thinking”; and discussion method results in effective learning outcomes in terms of : (a) the mastery of general subject, (b) the ability of problem- solving, (c) the...
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Slide a study on group discussion and its impacts on speaking ability of the non major students at the post elementary level in military science academy
Ngày tải lên :
29/01/2014, 10:33
... and individual presentation Objectives of the study contribute more theory to the understandings of group discussion find out the essentials of group discussion provide the teachers with the ... more chances to interact build a stepping-stone to further study Research questions What truly happens during group discussion in classroom? Do the students in pre-planning groups perform ... participants in a group: Number of groups: ( No planning groups & Pre-planning groups) Records: All the group discussions and the individual presentations from No planning group & Pre-planning group...
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Tài liệu Đề tài " Calder´on’s inverse conductivity problem in the plane " doc
Ngày tải lên :
16/02/2014, 05:20
... nonvanishing Taking the logarithm and applying (1.5), (1.6) lead to u1 (z, k) = exp ikz + Ok |z| ´ CALDERON’S INVERSE CONDUCTIVITY PROBLEM IN THE PLANE 295 On the other hand, dropping temporarily the ... f−µ outside D The crucial problem in the proof of Theorem is the behavior of the function Mµ (z, k) − = e−ikz fµ (z, k) − with respect to the k-variable In the case of [22] and [10] the behaviour ... solutions serve as the key elements for the proof of Theorem ´ CALDERON’S INVERSE CONDUCTIVITY PROBLEM IN THE PLANE 271 The Beltrami equation and the Hilbert transform In a general domain Ω we identify...
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Tài liệu Báo cáo Y học: Granule-bound starch synthase I A major enzyme involved in the biogenesis of B-crystallites in starch granules ppt
Ngày tải lên :
22/02/2014, 07:20
... certainly does not exceed the rate of amylopectin synthesis The increase in crystallinity witnessed during these first 12 h is in line with the high rates observed for amylopectin synthesis However between ... accumulate at the final stage of starch synthesis in the absence of concomitant amylopectin synthesis (reviewed in [41]) In vitro synthesis of amylose Because in Chlamydomonas amylose synthesis remains ... granule in the Table In vitro synthesis of amylose Initial starch (13.9 mg) was subjected to in vitro synthesis in the presence of ADP-glucose at 3.2 mM at 30 °C under continuous shaking in a total...
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Báo cáo khoa học: A mouse model for in vivo tracking of the major dust mite allergen Der p 2 after inhalation docx
Ngày tải lên :
07/03/2014, 21:20
... labelling of recombinant proteins by means of incorporating a radioactive selenocysteine residue in a C-terminal Sel-tag [18] Der p carrying the Sel-tag had an intact core sequence and maintained ... deposited in the airways of mice and metabolized The labelling method involves the incorporation of a selenocysteine residue and the gamma-emitter selenium-75 (75Se) within an engineered C-terminal ... containing selenocysteine might not be presented by the major histocompatibility complex (MHC) but rather metabolized into selenocysteine-containing proteins This is consistent with our finding...
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Báo cáo khoa học: "Case markers and Morphology: Addressing the crux of the fluency problem in English-Hindi SMT" pot
Ngày tải lên :
08/03/2014, 00:20
... corpus Training, tuning, and decoding were performed using the Moses toolkit Tuning (learning the λ values discussed in section 4.1) was done using minimum error rate training (Och, 2003) The Stanford ... separation of the lemma and suffix helps in tiding over the data sparsity problem by allowing the system to reason about the suffix-case marker combination rather than the combination of the specific ... marking and morphology (Hindi), we are faced with the problem of extracting information from the source language sentence, transferring the information onto the target side, and translating this...
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