標(biāo)題: Titlebook: How Apollo Flew to the Moon; W. David Woods Book 20081st edition Praxis 2008 American rocketry.Saturn V.V-2.manned spacecraft.space engine [打印本頁(yè)] 作者: Abridge 時(shí)間: 2025-3-21 19:23
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作者: Mingle 時(shí)間: 2025-3-21 22:09 作者: 按時(shí)間順序 時(shí)間: 2025-3-22 03:44 作者: charisma 時(shí)間: 2025-3-22 07:25 作者: 眼界 時(shí)間: 2025-3-22 09:48
The Apollo flights: a brief history,et: A, B, C, etc. Managers believed that if the lunar goal was to be realised, each of these preliminary missions would have to be successfully flown — more than once if necessary — before the subsequent mission could be attempted.作者: 多節(jié) 時(shí)間: 2025-3-22 16:24 作者: SPER 時(shí)間: 2025-3-22 18:04
Coasting to the Moon,ce. Although this part of the flight held little interest for the news media, the crew were nevertheless kept busy with a great variety of tasks ranging from the clever precision of the CMP’s navigation commitment to matters of personal hygiene.作者: reflection 時(shí)間: 2025-3-23 00:56
Earth orbit and TLI,n three hours to give their ship a thorough checkout before being sent Moonward with an engine burn called . (TLI), and no one was keen to ignite it unless they knew it was sending a good ship. In that time, they would make not quite two orbits of Earth although, if required, there was a contingency for an extra orbit.作者: 調(diào)色板 時(shí)間: 2025-3-23 03:37 作者: fatty-streak 時(shí)間: 2025-3-23 09:15
Re-entry,nd of the command module was brutally compressed in a shock wave, generating temperatures approaching 3,000°C. All that stood in the way of the crew being incinerated by this extraordinary heat was a coating of resin and fibreglass that NASA’s engineers reckoned could withstand the punishment.作者: Painstaking 時(shí)間: 2025-3-23 10:11 作者: fodlder 時(shí)間: 2025-3-23 14:34
om fluid dynamics. In some cases growth is steady, that is the growth pattern is invariant with time over some period. A structure such as a meristem, may maintain its form, while the elements or cells of which it consists are continually changing. It is suggested that plants exploit the physical pr作者: 作繭自縛 時(shí)間: 2025-3-23 20:38 作者: 向下 時(shí)間: 2025-3-23 23:31 作者: GEON 時(shí)間: 2025-3-24 04:23
of a Fabry-P’erot resonator, ～ 50,000 times over a distance of 1 textm. A heterodyne ellipsometer allows the simultaneous detection of a birefringence and a rotation of the polarization plane. The sensitivity of the instrument allows the detection of rotation or of ellipticity angles of about 10. t作者: CLEAR 時(shí)間: 2025-3-24 06:38
of a Fabry-P’erot resonator, ～ 50,000 times over a distance of 1 textm. A heterodyne ellipsometer allows the simultaneous detection of a birefringence and a rotation of the polarization plane. The sensitivity of the instrument allows the detection of rotation or of ellipticity angles of about 10. t作者: ticlopidine 時(shí)間: 2025-3-24 13:18
Retrieving the lander,rowsing the museum’s gift shop, I had come across a 5-centimetre-diameter foam ball, grey and pockmarked with craters, that perfectly matched the scale of my globe of the Earth, as the Moon’s diameter is very nearly one-quarter that of Earth.作者: 認(rèn)識(shí) 時(shí)間: 2025-3-24 16:04 作者: absolve 時(shí)間: 2025-3-24 19:44
W. David WoodsUniquely provides in book form the complete story of the technology and techniques used to fly to the Moon and back.Explains the flight controllers’ and Apollo spacecraft crews’ roles in making the jo作者: Adjourn 時(shí)間: 2025-3-25 02:41
Springer Praxis Bookshttp://image.papertrans.cn/h/image/428553.jpg作者: DOTE 時(shí)間: 2025-3-25 03:59
Apollo: an extraordinary adventure,The Apollo programme was not just a Cold War stunt, though many correctly saw it as such. Neither was it just an example of superpower posturing, though it most certainly was that too.作者: LUMEN 時(shí)間: 2025-3-25 10:14 作者: 蜿蜒而流 時(shí)間: 2025-3-25 15:03
Next stop: the Moon,By July of 1969, NASA had done about as much as they could to prepare for the Moon landing. On the flight of Apollo 10, Tom Stafford and Eugene Cernan had taken their LM . into the descent orbit but had gone no further before returning to John Young in the CSM ..作者: Mystic 時(shí)間: 2025-3-25 16:17 作者: 來(lái)自于 時(shí)間: 2025-3-25 20:37
Orbital sojourn: looking at the Moon,. For thousands of years before the rise of the scientific method, humans gazed at Earth’s one natural satellite, wondered at its nature and worked it into their stories as they struggled to understand their universe and its impact upon them.作者: cataract 時(shí)間: 2025-3-26 01:26 作者: 笨重 時(shí)間: 2025-3-26 08:02
Epilogue,ied to weigh up its position in history with arguments that range from Apollo as a shallow political stunt hatched from the hubris of America’s political establishment, to it being the first step in the movement of our species off this planet into the wider cosmos. Perhaps it depends on whether the glass is seen as being half empty or half full.作者: 流浪者 時(shí)間: 2025-3-26 11:58
organismal. Classical methods of analysis which have been used in the physical sciences have proved appropriate, showing the applicability of physical principles to biological structure and morphogenesis. At the ultrastructural level, bacterial flagella, microtubules and similar objects exhibit reg作者: 表皮 時(shí)間: 2025-3-26 16:40
Sydney, Australia on August 26, 1981. The paper by Professor T. Sachs, which was received too late for inclusion into the symposium at Sydney, was added to these proceedings because of its direct relevancy and importance. The aim of the symposium was to state in an explicit and comprehensive fashion作者: condemn 時(shí)間: 2025-3-26 19:25
ntum Electrodynamics, while additional and unexpected properties might be linked to the existence of yet undiscovered axion-like particles (ALPs) interacting with two photons. In this low energy case (1–2 texteV), real photons from a polarized laser beam are scattered off virtual photons provided by作者: 機(jī)警 時(shí)間: 2025-3-27 00:01 作者: GRATE 時(shí)間: 2025-3-27 04:26 作者: 河潭 時(shí)間: 2025-3-27 05:31 作者: 擁護(hù) 時(shí)間: 2025-3-27 13:13
Launch: a fiery departure, tractor units derived from heavy open-cast mining equipment entered the 160-metre-tall . (VAB), jacked itself up under a platform bearing a service tower and a complete but unfuelled Apollo/Saturn space vehicle — a combined load of 5,700 tonnes — and carried it out through one of the VAB’s massive 作者: Spinal-Fusion 時(shí)間: 2025-3-27 15:45 作者: 猜忌 時(shí)間: 2025-3-27 19:50 作者: concert 時(shí)間: 2025-3-28 00:04 作者: ticlopidine 時(shí)間: 2025-3-28 03:16
Coasting to the Moon,n waited to reach a destination or when the command module pilot was waiting for his two crewmates to return from their exploration of the lunar surface. Although this part of the flight held little interest for the news media, the crew were nevertheless kept busy with a great variety of tasks rangi作者: fluoroscopy 時(shí)間: 2025-3-28 09:15
Entering lunar orbit: the LOI manoeuvre,itted two crewmen to an utterly inhospitable lunar surface unless a small rocket engine worked properly to get them off and begin their journey home to Earth. The other was . (LOI), the point in the journey when Apollo crews committed themselves to the gravity of the Moon. After LOI, there was no po作者: cancellous-bone 時(shí)間: 2025-3-28 13:09
Orbital sojourn: looking at the Moon,. For thousands of years before the rise of the scientific method, humans gazed at Earth’s one natural satellite, wondered at its nature and worked it into their stories as they struggled to understand their universe and its impact upon them.作者: Formidable 時(shí)間: 2025-3-28 17:24
Rendezvous and docking,ission plan . (LOR) in view of the important benefits the technique promised in overall weight savings, including the launch vehicle. Yet, to many in NASA in the early 1960s, it seemed suicidal for one tiny spacecraft to launch and attempt to pull up alongside another tiny spacecraft, each whizzing 作者: STEER 時(shí)間: 2025-3-28 20:29
Heading for home, planet. At this point, the Apollo spacecraft consisted of just the CSM, the LM ascent stage having been jettisoned and, in some cases, made to crash on the Moon for the benefit of the seismometers emplaced by the crews.作者: aggressor 時(shí)間: 2025-3-29 02:52 作者: Amplify 時(shí)間: 2025-3-29 04:20 作者: 憤慨點(diǎn)吧 時(shí)間: 2025-3-29 09:43
Die Radiolandschaft Deutschlands,galt es in der Medienpolitik noch als ausgemachte Sache, dass der analoge UKW-H?rfunk bis 2015 zugunsten des digitalen Nachfolgestandards DAB abgeschaltet wird. Doch sowohl bei den übertragungsstandards als auch bei den Zeitpl?nen und Szenarien für einen Umstieg haben sich die Dinge in der Zwischenz作者: 輕觸 時(shí)間: 2025-3-29 11:38 作者: 使害羞 時(shí)間: 2025-3-29 17:46
scher Forschung zurückblicken: Ob Gatekeeperforschung, Studien zu Nachrichtenwerten, Agenda Setting oder redaktionelle Beobachtungen - empirische Arbeiten zum Journalismus haben die kommunikationswissenschaftliche Forschung nachhaltig gepr?gt..Der vorliegende Band wirft einen differenzierten Blick a作者: Offset 時(shí)間: 2025-3-29 21:38 作者: 確保 時(shí)間: 2025-3-30 01:31 作者: 信徒 時(shí)間: 2025-3-30 07:44
Das Schreibwerk beim Zugdiensteenerated a gradient of Rac activity and induced directional migration. In this chapter, we will describe the techniques in detail and present some examples of applications of using photoactivatable Rac (PA-Rac) in living cells.作者: 娘娘腔 時(shí)間: 2025-3-30 11:15 作者: insolence 時(shí)間: 2025-3-30 12:21
In Vitro Azadirachtin Production,rachtin is isolated by solvent extraction of the seeds of the . tree. There are various limitations in extracting azadirachtin from plant sources, majorly due to its limited availability/short shelf-life of seeds, degradation during storage and considerable genotypic/environmental variation in its c作者: STANT 時(shí)間: 2025-3-30 17:37 作者: bronchodilator 時(shí)間: 2025-3-31 00:05
Non-systemic Opposition: Challenges and Communication Tacticshe Russian political regime known as “electoral authoritarianism”. Numerous electoral manipulations implemented since the 2000s were intended to impede any real opposition to politics, and to fixate the dominance of the United Russia party on all levels of Russian politics. The “troubled transformat作者: 使服水土 時(shí)間: 2025-3-31 01:03
ed upon are social in nature, and have to do with the pervasiveness of allocation procedures in financial measurement for divisions of an enterprise. Since financial measurement is no more than a precondition for financial control, the chapter proceeds to examine how current or prospective financial作者: PRISE 時(shí)間: 2025-3-31 05:11
