gingerly
发表于 2025-3-21 17:08:55
书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K影响因子(影响力)<br> http://figure.impactfactor.cn/if/?ISSN=BK0980070<br><br> <br><br>书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K影响因子(影响力)学科排名<br> http://figure.impactfactor.cn/ifr/?ISSN=BK0980070<br><br> <br><br>书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K网络公开度<br> http://figure.impactfactor.cn/at/?ISSN=BK0980070<br><br> <br><br>书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K网络公开度学科排名<br> http://figure.impactfactor.cn/atr/?ISSN=BK0980070<br><br> <br><br>书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K被引频次<br> http://figure.impactfactor.cn/tc/?ISSN=BK0980070<br><br> <br><br>书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K被引频次学科排名<br> http://figure.impactfactor.cn/tcr/?ISSN=BK0980070<br><br> <br><br>书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K年度引用<br> http://figure.impactfactor.cn/ii/?ISSN=BK0980070<br><br> <br><br>书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K年度引用学科排名<br> http://figure.impactfactor.cn/iir/?ISSN=BK0980070<br><br> <br><br>书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K读者反馈<br> http://figure.impactfactor.cn/5y/?ISSN=BK0980070<br><br> <br><br>书目名称VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer K读者反馈学科排名<br> http://figure.impactfactor.cn/5yr/?ISSN=BK0980070<br><br> <br><br>
Glycogen
发表于 2025-3-21 20:31:09
,On the Generation of Temperatures to 30,000° K,tric arcs are discussed in some detail..In addition, the techniques of the stabilized-gas vortex arc are described and the temperature limits mentioned. Future developments in even higher temperature ranges are touched upon.
金哥占卜者
发表于 2025-3-22 02:57:35
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Anticoagulant
发表于 2025-3-22 04:43:48
,Essai de contribution à la propulsion ionique,t conclut à la nécessité de dématérialiser les électrodes au maximum en les réduisant à des grilles ou à des quinconces d’électrodes tubulaires servant à l’injection des ions dans le champ accélérateur..Le vide très poussé de l’espace interplanétaire est un facteur favorable pour la mise en œuvre de
Brocas-Area
发表于 2025-3-22 12:34:31
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人类学家
发表于 2025-3-22 13:11:27
,Über die Strömung von Zweiphasengemischen,in verteiltem Festkörper und Gasphase, hergeleitet. Die Dichte des Festkörpers wird konstant angenommen; von einem Massenaustausch zwischen fester Phase und Gasphase wird abgesehen. Es wird gezeigt, daß die Einführung einer Relativgeschwindigkeit zwischen beiden Phasen notwendig ist. Die sich aus de
考博
发表于 2025-3-22 17:58:50
The Weight of Minimum Cost Orbital Ferry Vehicles,nd earlier described by the S.I.S. project study team, the influence of the burnout load factor and the number of steps on the minimum launching weight has been calculated for a tandem multi-step, constant mass flow orbital ferry vehicle with chemical liquid propellants. A trajectory launching angle
Incorruptible
发表于 2025-3-23 01:00:26
Previsione tempestiva delle caratteristiche del moto di mobili aero-balistici nella cibernetica aernel senso matematico, a brevi intervalli di tempo o lo si estende, rinunciando alla continuità stessa, fino a pervenire alla concezione di una . durante il quale si ., anche se non dimostrabile, continua una funzione, e possibile applicare lo sviluppo in serie di . nella determinazione preventiva de
记忆
发表于 2025-3-23 04:37:10
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宽容
发表于 2025-3-23 05:44:36
,Instrumented Comets—Astronautics of Solar and Planetary Probes,f interplanetary research by unmanned vehicles. The technical, scientific, political and cultural significance of interplanetary research is stressed and consideration of an International Astronautical Decade proposed. The basic performance data and the possibilities of gravitational navigation by c