预订To Mars and Beyond, Fast!: How Plasma Propulsio [ISBN:9783319229171] 【全球购】进口原版图书,约3-6周到达国内后发出 作者:Chang Díaz,Franklin出版社:Springer出版时间:2017年06月 手机专享价 ¥ 当当价 降价通知 ¥413.00 配送至 上海 至 北京市东城区 服务 由“书之源外文图书”发货,并提供...
Hypersonic speed is five times the speed of sound. Scientists measure speeds this fast with a Mach number, named for Austrian physicist Ernst Mach. Sound has a speed of Mach 1 and anything Mach 5 or above is considered hypersonic. While the speed of sound changes depending on temperature and...
in accordance with their rules about male-to-female transgender people and plasma donation. According to the center, the FDA does not approve of the hormones she has been taking since her transition, so she cannot donate plasma because of that. Even if she is willing to change...
We found that a cross-tail current sheet with an off-equatorial current density maximum, indicating bifurcation, is frequently formed in thin current sheets with a half thickness of ~1500 km. The occurrence of off-equatorial current density maxima is correlated with the occurrence of fast plasma ...
Since the desired formulation is intended to be used as a topical treatment with fast release rate to study its effectiveness, microemulsions were the ideal choice for improving the solubility and systemically study the extracts of these plants [72]. 12. Enhanced stability The instability of most ...
fever, and severe joint pain that can send them to the hospital with symptoms that can linger for two weeks. In the worst cases, patients experience “plasma leakage,” a life-threatening process in which the protein-rich fluid of the blood seeps out of vessels and into surrounding tissues....
It is commonly assumed that a heterotrophic ancestor of the supergroup Archaeplastida/Plantae engulfed a cyanobacterium that was transformed into a primary plastid; however, it is still unclear how nuclear-encoded proteins initially were imported into th
Also, the nanocrystalline oxide layer has fast self-healing properties so that it can re-form instantaneously when damaged, thus maintaining the alloy’s corrosion protection47,48,49,50,51. The STEM and EDS analysis on the oxide in Supplementary Fig. 11 shows that the Zn-rich area beneath ...
We report on fast polishing of polycrystalline CVD diamond films by ultrasonic machining in a slurry with diamond particles. The material removal mechanism is based on diamond micro-chipping by the bombarding diamond particles subjected to action of an ultrasonic radiator. The treated samples were char...
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