作者: municipality 時間: 2025-3-21 23:15 作者: FIR 時間: 2025-3-22 01:33
Earl A. Gulbransengeh?rt zu den unausrottbaren wissenschaftlichen Legenden. Das Ungeheuer von Loch Ness, der tibetanische Yeti, Sasquach, der Zwergbrontosaurus, der noch im letzten Jahrzehnt in Afrika gesichtet worden sein soll — sie alle spiegeln die romantische Hoffnung wider, da? irgendwie, irgendwo einige gro?e v作者: esoteric 時間: 2025-3-22 05:29
J. Graham Brown,John Dollimore,Clive M. Freedman,Brian H. Harrisonnd Online-Nachrichten, die auf einer Online-Nachrichten-Plattform gesammelt, dargestellt und verteilt werden, einerseits durch einen einzelnen Nutzer direkt zu lesen, zu h?ren und/oder zu sehen. Auf der anderen Seite werden Online-Nachrichten über verschiedene Distributionsintermedi?re oder soziale 作者: Facet-Joints 時間: 2025-3-22 08:58 作者: Ablation 時間: 2025-3-22 14:13
E. Robense man die Grundbegriffe der Wissenschaft zu begründen imstande ist. Das Ziel, welches uns dabei vorschwebt, ist zu bewirken, da? in Beziehung auf die Prinzipien der mathematischen Wissenschaften feste Grunds?tze sich geltend machen. Um überhaupt in die mathematischen Wissenschaften einzudringen, ist作者: 修正案 時間: 2025-3-22 20:47 作者: 嚴峻考驗 時間: 2025-3-22 23:49 作者: Engulf 時間: 2025-3-23 05:08 作者: 在前面 時間: 2025-3-23 05:53 作者: 無能性 時間: 2025-3-23 09:48 作者: Freeze 時間: 2025-3-23 16:47
W. J. Kerrigan,J. S. Byrd,P. D. Hollowayg und quantitative Analyse sehr kleiner Mengen h?herer Fetts?uren). Erst nach diesen Arbeiten hat die Gaschromatographie ihre gro?e Verbreitung gefunden; die Anf?nge des Verfahrens lassen sich jedoch bis in das Mittelalter zurückverfolgen. Der Stra?burger Wundarzt . (3) beschrieb 1512 ein ?destillat作者: Gerontology 時間: 2025-3-23 22:01
er Anwendung auf das Werkstattfertigungsproblem aus dem letzten Kapitel wird in 3.5 eine zweiphasige Heuristik auf Basis des Simulated Annealing für dieses neue Problem vorgeschlagen und anschlie?end an zuf?llig erzeugten Instanzen getestet. Exemplarisch wird die Festlegung geeigneter Lageranfangsbe作者: 受傷 時間: 2025-3-23 23:57
Gravimetric Adsorption Studies of Hydrogen on Granular Metal Surfaces Using a Vacuum Microbalance,rature..The experimental arrangement used minimized but did not eliminate TMF. The remaining forces were found to be reproducible for a fixed geometry and were determined from blank runs made on the system. A sample of pure copper, which does not adsorb hydrogen at the temperatures investigated, was作者: 褻瀆 時間: 2025-3-24 06:03 作者: 濃縮 時間: 2025-3-24 08:48 作者: outset 時間: 2025-3-24 12:06 作者: blithe 時間: 2025-3-24 16:04
Thermal Degradation of an Anhydride-Cured Epoxy Resin by Laser Heating,he activation energy associated with the weight-loss process was 18 ± 3 kcal/mole. An attempt is made to explain the thermal degradation of the epoxy polymer by postulating a mechanism based on the degradation products and the prevailing conditions in the system.作者: 可忽略 時間: 2025-3-24 21:51
Conference proceedings 1971se on ultra mlcrogravtmetry;‘ edited by S. P. Wolsky and E. J. Zdanuk, with most of the fourteen chapters written by steady contributors to the volumes on Vacuum Micro- balance Techniques. The number of research investigations and published works in which a vacuum microbalance is utilized con- tinue作者: Ascendancy 時間: 2025-3-25 01:21 作者: 膠狀 時間: 2025-3-25 05:04
. Sie werden im Folgenden als ?ExpertInnen“ bezeichnet. W?hrend die biographischen Interviews mit den allochthonen Jugendlichen den Schwerpunkt unseres Projektes bildeten, sollten die ExpertInnen herangezogen werden, um das Ph?nomen von Kriminalit?tskarrieren vollst?ndiger erfassen zu k?nnen, denn d作者: 吸氣 時間: 2025-3-25 09:29
Earl A. Gulbransenjenigen, die ich besonders sch?tze und jederzeit nochmals lesen kann, ohne mich zu langweilen, geh?rt Sir Arthur Conan Doyles . (w?rtlich ., deutscher Titel .). Der Inhalt dieses Buches ist rasch erz?hlt: Tief im Amazonasurwald liegt ein Hochplateau, das noch immer von pr?historischen Gesch?pfen bev作者: ABASH 時間: 2025-3-25 11:52 作者: V洗浴 時間: 2025-3-25 19:37 作者: Expressly 時間: 2025-3-25 23:41 作者: Visual-Field 時間: 2025-3-26 03:42
D. A. Cadenhead,N. J. Wagnerehaltenen Vorlesungen bilden. . Der Zweck, den jene Vorlesungen im Auge hatten, ist ja im wesentlichen erreicht worden, aber auf einem mehr synthetischen Wege, und gerade hierin liegt etwas Unbefriedigendes, indem n?mlich die Allgemeinheit der so erlangten Resultate nicht v?llig in Evidenz tritt. Es作者: Monolithic 時間: 2025-3-26 05:47
E. Robens,G. Sandstede,G. Waltertorr?umen holomorpher Funktionen durch Beschr?nktheitsforderungen auszeichnen; typisches — und in vieler Hinsicht schwierigstes -Beispiel ist die Algebra . . der auf . beschr?nkten holomorphen Funktionen. Im Mittelpunkt der Untersuchungen stehen dann Fragen nach dem Verhalten dieser Funktionen am Ra作者: 吊胃口 時間: 2025-3-26 10:57 作者: quiet-sleep 時間: 2025-3-26 13:15 作者: 材料等 時間: 2025-3-26 19:31
Stephen D. Bruck,Ashok Thadani galten sie als potentielle L?sungsmethode für viele bis dahin algorithmisch nicht unterstützte Probleme. Doch stellten sich nach zu hohen Anfangserwartungen Entt?uschungen ein, wenn die versprochene Funktionalit?t nicht realisiert werden konnte. Feldstudien weisen differenzierte Aussagen zum Einsat作者: 節(jié)約 時間: 2025-3-26 21:30 作者: 朋黨派系 時間: 2025-3-27 02:57
die im folgenden n?her untersucht werden soll, ist aus der englischsprachigen Literatur als das Discrete Lotsizing and Scheduling Problem (DLSP) bekannt.. Zun?chst wird diese Fragestellung in den Rahmen der Produktionsplanung eingeordnet und die unterstellte Zielsetzung diskutiert. Im zweiten Absch作者: 裝入膠囊 時間: 2025-3-27 08:08
Interpretation of Vacuum Microbalance Data Obtained During the High-Temperature Oxidation of Materi analysis and kinetic theory in the planning and interpretation of microbalance studies. Studies on the oxidation of silicon, chromium, and molybdenum are discussed. It is concluded that detailed thermochemical analyses must be used in planning the work and in interpreting the experimental data.作者: Legion 時間: 2025-3-27 11:00
An Automated Bakeable Quartz Fiber Vacuum Ultramicrobalance,ts special housing are described. Automatic operation is accomplished with flags mounted on the hangdown suspensions, two photocells, magnetic compensation, and the appropriate electronics. Causes of instabilities encountered in high vacuum with the automatic system are discussed and the methods used to eliminate the problems are given.作者: theta-waves 時間: 2025-3-27 16:55
Momentum Artifacts in the Gravimetric Measurement of Rapid Desorption,se of the balance are solved and compared with propane desorption from activated charcoal, a system which exhibits a marked momentum error. It is shown that the artifact can be eliminated experimentally by using a wire mesh support pan and an appropriate amount of sorbent placed in the bottom of a tare hangdown tube to null out molecular drag.作者: foppish 時間: 2025-3-27 18:19 作者: itinerary 時間: 2025-3-27 22:08
and 13, 1969. The tenth anniversary of the first confer- ence will be registered as this volume passes through the typeset- ting and proofreading stages. The eight volumes that have spawned from this continuing series of conferences now contain a total of 125 papers. Thus, these volumes serve as a m作者: 四目在模仿 時間: 2025-3-28 03:54 作者: caldron 時間: 2025-3-28 08:53
,A System for the Determination of Oxidation—Reduction Kinetics in Nonstoichiometric Metal Oxides,sed. The importance of linear gas velocity and furnace geometry when using CO — CO. mixtures is discussed and a satisfactory gas preheater is described. An example of the application of the apparatus to the reduction of MnO. in steps of Δx ≈ 0.2% is presented.作者: 修飾語 時間: 2025-3-28 11:49
Pressure of Light Used as Restoring Force on an Ultramicrobalance, be counterbalanced with the light source before it is necessary to extend the range by resetting the balance with the external control. The balance is designed to be automated and used as a dynamic nullreading instrument.作者: FUSE 時間: 2025-3-28 15:32
Wireless Temperature Measurement of a Sample in Vacuum,ew inches to several hundred feet by a suitable photocell. The detected signal is fed into a frequency meter..Experimental data for frequency change vs. temperature are shown. A range of 400 C is easily attained. The accuracy of temperature measurement is ±0.15%.作者: 航海太平洋 時間: 2025-3-28 21:15
Interpretation of Vacuum Microbalance Data Obtained During the High-Temperature Oxidation of Materie method has grown rapidly and extended into many new research areas. In the area of high-temperature oxidation, it is essential to use thermochemical analysis and kinetic theory in the planning and interpretation of microbalance studies. Studies on the oxidation of silicon, chromium, and molybdenum作者: 我沒有強迫 時間: 2025-3-29 02:34
The Simultaneous Use of Mass Spectrometer and Microbalance Techniques for the Carbon-Oxygen System,l be indicated how far the combination of these allied techniques can be used to define the graphitic nature of the material in terms of the extent of the basal and edge planes of the graphite crystallite. The active surface area of the graphite was measured by the formation of surface oxide during 作者: Medicare 時間: 2025-3-29 06:03 作者: 預(yù)定 時間: 2025-3-29 07:42
An Automated Bakeable Quartz Fiber Vacuum Ultramicrobalance, to precision ratio (LPR). of 4 · 10.. The load sensitivity product (LSP). is 1.2 · 10.. The design of the shock-resistant beam, its suspension, and its special housing are described. Automatic operation is accomplished with flags mounted on the hangdown suspensions, two photocells, magnetic compens作者: idiopathic 時間: 2025-3-29 14:25 作者: 說明 時間: 2025-3-29 17:04 作者: Deadpan 時間: 2025-3-29 19:58 作者: alleviate 時間: 2025-3-30 03:32 作者: 違反 時間: 2025-3-30 04:35
Vapor Adsorption Studies on Low-Energy Solids,rior work it has been demonstrated that an acceptable model for the adsorbed phase is the post two-dimensional critical temperature form of the Hill — de Boer equation. Two-dimensional van der Waals constants and energetic parameters associated with vertical interactions can be obtained by computer 作者: Delude 時間: 2025-3-30 08:33 作者: addict 時間: 2025-3-30 15:49
Pressure of Light Used as Restoring Force on an Ultramicrobalance,ble Varian ultrahigh-vacuum chamber with a pressure capability of 10. torr, has a sensibility of 10. g. The range and the sensitivity of the balance can be selected by external control. Since using magnetic restoring in the vicinity of the Vaclon? pump would require extensive shielding, the pressure作者: fiction 時間: 2025-3-30 19:37 作者: 辭職 時間: 2025-3-30 22:29
Wireless Temperature Measurement of a Sample in Vacuum, in which the sample temperature causes a change in frequency of the infrared emitted from a gallium arsenide photodiode. The oscillator unit is mounted in a small hermetically sealed box which in turn is moiunted on the microbalance as part of the sample weight. A thermistor is buried in the sample作者: 對手 時間: 2025-3-31 03:35 作者: Efflorescent 時間: 2025-3-31 05:20
Thermal Degradation of Piperazine Copolyamides,ified hangdown tube and thermocouple assembly. Experiments were carried out with block copolymers of terephthaloyl trans-2,5-dimethylpiperazine / isophthaloyl trans-2,5-dimethylpiperazine (abbreviated as t-2,5-DiMePipT / t-2,5-DiMePip-I), terphthaloyl trans-2,5-dimethylpiperazine / sebacyl trans-2,5作者: 努力趕上 時間: 2025-3-31 12:22 作者: 美學 時間: 2025-3-31 13:33
Thermal Degradation of an Anhydride-Cured Epoxy Resin by Laser Heating,on tube of a Cahn RG Electrobalance?. The beam was transmitted through an IRTRAN-4 entrance window into the system. Calibration of the laser was made with respect to temperatures attained by the platinum crucible and measured with a chromel — alumel thermocouple and a recorder. The electrobalance, w作者: 去掉 時間: 2025-3-31 18:51 作者: fetter 時間: 2025-4-1 00:57
Adsorption Studies with a Bakeable Quartz Automatic Recording Ultramicrobalance,ngmuir kinetics with a sticking coefficient of 0.38. This agrees with measurements made by flash filament desorption. Adsorption of ethylene is more complicated, but the results are consistent with more detailed mechanistic studies performed in this laboratory on 〈111〉 single-crystal platinum.作者: Hiatus 時間: 2025-4-1 02:34 作者: FACT 時間: 2025-4-1 05:59 作者: Fallibility 時間: 2025-4-1 13:20 作者: 使乳化 時間: 2025-4-1 17:16
http://image.papertrans.cn/v/image/980220.jpg作者: myopia 時間: 2025-4-1 21:29
https://doi.org/10.1007/978-1-4757-0133-3Germany; interaction; research作者: entail 時間: 2025-4-2 00:03
The Effect of Thermal Gas Motion on Microbalance Measurements,olecular flow, slip flow, and convection). Methods for elimination or minimization of the disturbances are reviewed and discussed. The application of microgravimetric methods for investigating gas flow is mentioned briefly.
