標(biāo)題: Titlebook: Wood - The Internal Optimization of Trees; Claus Mattheck,Hans Kubler Book 1997 Springer-Verlag Berlin Heidelberg 1997 Baum.Biomechanik.Fr [打印本頁] 作者: Hypothesis 時(shí)間: 2025-3-21 19:50
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書目名稱Wood - The Internal Optimization of Trees讀者反饋學(xué)科排名
作者: Diastole 時(shí)間: 2025-3-21 23:54 作者: 誓言 時(shí)間: 2025-3-22 01:36
Parallel Fiber and Force Flow Arrangement,o fiber splitting (Fig. 34). If exposed, however, to tensile stresses at some angle to the grain, the fibers fall out of their optimum order, and high transverse tensile stresses and shear stresses occur, which threaten to split them. The risk of splitting is highest in the case of tension across th作者: BATE 時(shí)間: 2025-3-22 06:50
Tree Rings and Force Flow,er stage. This being so, the longitudinal tree ring formations obey the same fiber-and-force-flow concurrence rules as the manifestations discussed above for the fibers. When the run of the tree rings is adapted to the force flow, the shear between adjacent structures is minimized and the transverse作者: CLIFF 時(shí)間: 2025-3-22 10:33 作者: MAPLE 時(shí)間: 2025-3-22 13:26
Book 1997view of wood: trees produce wood for their own benefit. They do not live for the benefit of man who builds his world using wood as a raw material. Timber is revealed in a different light, and the reader is taught to stop thinking of it in terms of defective beams and boards. Wood only fails as a par作者: Condescending 時(shí)間: 2025-3-22 20:18 作者: Abjure 時(shí)間: 2025-3-22 23:58
,Final Remarks — Review and Outlook,lf-optimization measures. The failure of one or more of these measures due to external disturbances or decay may inflict the tree with a localized or thorough disaster. The mechanical reserves that the tree can mobilize to avoid such catastrophes are defined and specified by the safety factor.作者: NORM 時(shí)間: 2025-3-23 05:22
Tree Rings and Force Flow, splitting forces are reduced. This shear stress and transverse tensile stress relief is a useful mechanism if one considers that the latewood/earlywood boundaries are welds that do not consist of additional material attached continuously in the course of time.作者: 氣候 時(shí)間: 2025-3-23 09:33 作者: 小臼 時(shí)間: 2025-3-23 11:51
https://doi.org/10.1007/978-3-642-61219-0Baum; Biomechanik; Fraktometer; Gestaltoptimierung; Holz; biomechanics; fractometer; growth; mechanics; optim作者: EXTOL 時(shí)間: 2025-3-23 16:09
978-3-540-62019-8Springer-Verlag Berlin Heidelberg 1997作者: generic 時(shí)間: 2025-3-23 19:09
Wood - The Internal Optimization of Trees978-3-642-61219-0Series ISSN 1431-8563 作者: Cubicle 時(shí)間: 2025-3-23 22:58
Introduction,d about the anatomy of wood, for example Carlquist (1988), Schweingruber (1990), and Wagenführ (1989). Most of the work on mechanical properties of wood is done in a vacuum, ignoring its use within the tree itself. The tree manufactures its wood in a very load-adapted way in order to prevent mechanical failure.作者: Militia 時(shí)間: 2025-3-24 04:28
,The Mechanical Self-Optimization of Trees — Five Theorems,potheses through a labyrinth of amazing phenomena and intricate details. A summary at the end of this book invites the reader to judge the truth and value of the arguments presented and to form his own opinion.作者: Horizon 時(shí)間: 2025-3-24 08:57 作者: 吸引力 時(shí)間: 2025-3-24 13:21 作者: cauda-equina 時(shí)間: 2025-3-24 15:59
The Principle of Minimum Lever Arms,The traveler who waits for his train at the station is not expected to carry his heavy suitcase with his arm outstretched, and the women of primitive tribes walk along carrying their heavy buckets on their heads. Both the tired traveler and the experienced women reduce the lever arm, which is the point of application of the force of gravity.作者: Incorporate 時(shí)間: 2025-3-24 19:00 作者: 隱士 時(shí)間: 2025-3-24 23:32 作者: 玩笑 時(shí)間: 2025-3-25 06:07
Stress-Controlled Strength Distribution,Troll (1959) and other authors discuss the resemblance between wood and reinforced concrete. Figure 86 shows the underlying principle. Whereas reinforcing steel and cellulose are characterized by high tensile strength, concrete and lignin resist compression but cannot bear much tension.作者: monochromatic 時(shí)間: 2025-3-25 08:57 作者: overwrought 時(shí)間: 2025-3-25 13:49 作者: 是剝皮 時(shí)間: 2025-3-25 17:05 作者: 頌揚(yáng)本人 時(shí)間: 2025-3-25 20:11
Book 1997d arguments are bold and cour- ageous. They arouse our curiosity and force us to fathom the facts. It seems as if Kubler and Mattheck wanted to trick us into believing that trees only live and react following mechanical rules and strategies. To tell the truth, that was what I first suspected the aut作者: IRATE 時(shí)間: 2025-3-26 03:57
Claus Mattheck,Hans Kubler resistance in electrical circuits. The most important quantity to calculate is the power absorbed from the driving force by the oscillator. As a function of frequency, the power absorbed is a very characteristic ., or ., with a maximum at the frequency of the undamped oscillator. We shall finally l作者: Frequency-Range 時(shí)間: 2025-3-26 05:51
Claus Mattheck,Hans Kublereration and absorption are outlined. Conservation of various quantities of the wave field and convergence are discussed. Fully nonlinear computations of very large (rogue) wave events at sea, like the Camille and Drauper waves, are compared to laboratory measurements of the waves using Particle Imag作者: expound 時(shí)間: 2025-3-26 08:43 作者: Champion 時(shí)間: 2025-3-26 13:56
Claus Mattheck,Hans Kublerre of female life-chances. Following Turner (1984: 149–56), I want to argue that the term patriarchy is only relevant to conditions in early capitalism — the capitalism that advocated the medical practice of clitoridectomy as a ‘cure’ for female masturbation, and campaigned in favour of the overtly 作者: subacute 時(shí)間: 2025-3-26 19:21
Claus Mattheck,Hans Kubleron without having genuine strategic reasons to justify their actions. The services gain tremendous influence by being permanent actors in this policy area, whereas political appointees come and go, and by controlling the detail of weapons development. Presidents are far less involved in weapon acqui作者: remission 時(shí)間: 2025-3-26 22:36 作者: 我怕被刺穿 時(shí)間: 2025-3-27 04:23
Claus Mattheck,Hans Kublero use Fourier transform to invert the integral equation over the ocean surface that solves the Laplace equation. This leads to a relation for the normal velocity of the free surface that is useful for iterations. This relation has a global contribution that is obtained by FFT and local contribution 作者: ciliary-body 時(shí)間: 2025-3-27 08:39
Claus Mattheck,Hans Kublersituation he found was not propitious. Peace appeared elusive and remote. The half-heartedness of the intervention by the international community and the belligerent intransigence of the warring parties had thrown the purpose and method of the UNPROFOR mission into turmoil. The role and responsibili作者: JIBE 時(shí)間: 2025-3-27 13:02
Claus Mattheck,Hans Kublermen’s experience, notably class, race, nationality and subculture, invisible. Her analysis emphasizes the contradictions of women’s oppression. So will mine in this chapter. My discussions of women and the passions, women and the home, women’s space and women and medicine are linked by the design of作者: Resign 時(shí)間: 2025-3-27 17:30 作者: Firefly 時(shí)間: 2025-3-27 20:56
Claus Mattheck,Hans Kublersumptions that can trigger new avenues for human-to-human inToday, people are in an era of digitally mediated Human-to-Human Interaction, which cannot provide full sensorial contact and therefore, emotions cannot be communicated completely. The intimate cover of the human body, i.e. garment is the i作者: 窩轉(zhuǎn)脊椎動(dòng)物 時(shí)間: 2025-3-28 01:46 作者: cruise 時(shí)間: 2025-3-28 03:54
Mixed Adenoneuroendocrine Carcinoma of the Pancreas,than 2 % of all gastroenteropancreatic neuroendocrine (NE) tumors and are characterized by an intimate mixture of malignant ductal (glandular) and neuroendocrine tumor cells, both of which show variable degrees of differentiation (well– poorly differentiated) and have individually distinctive immuno作者: conduct 時(shí)間: 2025-3-28 09:13
Digital Modes of Payment: Usage of Plastic Money and Virtual Wallet in India,c money and Virtual Wallet as Modes of Payments. Data is collected for various metrics and analyzed for economic, technical, demographic, perception, and education factors with security as one of the key considerations. Mix methodology approach was used and data was assessed in various ways includin作者: 過于平凡 時(shí)間: 2025-3-28 11:24
Arbitrary Realization,also Searle’s (1983), p. 3, early “beer can” use of it.] The first version, ARA., will be aimed at (.). It will be transparent, once ARA. is out in the open, that it can be easily adapted so that it remains formally valid and targets (PER.). The second version (ARA.) of the argument, which is marked作者: 撫慰 時(shí)間: 2025-3-28 16:09
Population Density as a Stressor: Approaches to and Results of Research in the Social Sciences,e following, we discuss important results in the literature, describe the investigation of certain hypotheses carried out in the study by Mielck (1979), and suggest ways of refining the underlying theory.作者: acrobat 時(shí)間: 2025-3-28 21:59
The Clinical Management of Osteoporosiseral measures, nonpharmacological and pharmacological interventions aiming at preventing osteoporotic fractures in patients who have not fractured yet or in those who have already sustained a fragility fracture. This subject has been recently reviewed elsewhere [.,.].作者: 玩忽職守 時(shí)間: 2025-3-29 01:06
A Framework for Resolving Motivational Conflict via Attractor Dynamics,her by means of a bifurcation or by the stochastic escape from one of the wells. We present analytical and simulation results that reproduce known motivational conflict phenomena observed in the study of animal behaviour, in the case of two conflicting motivations.作者: exigent 時(shí)間: 2025-3-29 06:48 作者: xanthelasma 時(shí)間: 2025-3-29 09:49
JAN SPATKAtion exceeds a minimum value, known as critical saturation. At these conditions, the relative permeability concept applies to take into account the multiphase flow. Also, the classic Darcy’s law equation for flow in porous media may fail in certain flowing conditions, and the non-Darcy flow equation作者: 冒失 時(shí)間: 2025-3-29 12:37 作者: INCUR 時(shí)間: 2025-3-29 18:45 作者: Resection 時(shí)間: 2025-3-29 21:48
2625-3577 ks sowie zur Umgestaltung von Bürokonzepten. In diesem Buch wird der Nutzen und Zweck eines Büros in Zeiten von Homeoffice und Digitalisierung beleuchtet. Auch wird verdeutlicht, wie eine durchdachte Bürogestaltung die Leistung, Gesundheit und Zufriedenheit der Mitarbeitenden steigern kann. Das Buch作者: considerable 時(shí)間: 2025-3-30 02:33
Book 2023lace in integrated and social contexts and discuss the decision-making styles-decision outcomes relation. Finally, artificial thinking and intelligence prepare us for decision-making outside the human mind..
