火箭燃料

So far this reality has limited spaceflight to multistage expendable rockets or the space shuttle, which is assisted by strap-on fuel tanks and solid-fuel boosters that are jettisoned during ascent.

目前为止，这个事实使太空飞行限于多阶段扩张式火箭或是太空梭；后者在上升过程中抛出附加的燃料箱和固体燃料助力器。

It was found that the aggregation method is suitable to treat solid fuel SQ in solid-liquid hydrid rocket.

研究发现固液混合火箭固体燃料SQ合适的处理方法为团聚法。

Following inspection, maintenance and refuelling the lower stage will be ready for the next flight a few days later

下部一级火箭经过仔细检查、维护和重新填充燃料，为几天后的下一次飞行作好准备。

Saucier had expertise in the huge pumps that feed propellant to the engines of the space shuttle, and he knew three NASA engineers who could help.

苏西尔对火箭推进器上推送燃料的巨泵研究颇深，他还认识三个可以帮得上忙得NASA工程师。

Such a gel would behave like a liquid fuel, making it possible to vary the rate at which the fuel is pumped into the combustion chamber to throttle the motor up and down and increase the vehicle's distance.

我们清楚，我们可以调整两种成分之间的比例，或者通过增加成分来提高火箭性能。未来他们甚至可能会考虑制作一种性能像液体燃料一样的凝胶型推进剂。

In the area of high technology of China, the developing technology of cryogenic thermodynamic process and heat transfer has resulted in the Shenzhou-V man-carrying space ship, Fengyun-III meteorological satellite and magnetic suspension train. Manufacturing of fuel (liquid hydrogen and liquid oxygen) of a cryogenic rocket, the cryocooler used to cool down infrared sensors, cryogenic-condensation vacuum pump used in manufacturing of semiconductors, super-conduct quantum interferometer and liquefied natural gas technology are all outcomes of the studies on cryogenic thermodynamic process and heat transfer. In these areas, there are many unexploited sub-areas. Therefore, cryogenic thermodynamic process and heat transfer is a developing study area, and is await more jobs by the younger generation.

在高科技领域，我国空间探索用&神州五号&载人飞船的成功发射、&风云三号&气象卫星的可靠运转以及磁悬浮列车技术等都与低温热力过程与传热技术的研究进展密切相关的，低温火箭发动机液氢液氧燃料的生产、红外传感器冷却的低温制冷机、半导体制造业用的低温冷凝真空泵、超导量子干涉仪与液化天然气的储运等技术都是低温热力过程与传热技术研究发展的产物，且有很多新技术有待于开发，是一个与时俱进、不断开拓的领域，有待于有志者去开发。

In the respect of firing energy and ignition time, this paper use the idea of mathematical method, use the formulas for Electrical Gurney Energy and Electrical Heat to analyse the ignition time、firing energy and exploding temperature of ten kind of metal of the every Exploding Bridge Wire size.

随著微机电制程技术的成熟，运用制程技术制作电点火晶片取代传统爆炸电桥丝，具有发火能量小、反应时间短、电桥爆炸温度高等优点。这类固态点火晶片可应用在启动汽车安全气囊、点燃飞弹火箭系统、引爆钝感主装炸药与燃料推进等方面，提供一种更为可靠的机制。

Such a craft would theoretically achieve speeds not previously possible with rocket-propelled spaceships and be free from the constraints of carrying fuel.

理论上，这种太空船的速度将超越过去以火箭为动力的太空船，且不被搭载燃料的负担所限制。

A seemingly ordinary rocket engine tests, but this is the special use of methane fuel.

看似一次普通的火箭发动机测试，不过特殊的是这次用的燃料是甲烷。

Using liquid hydrogen and oxygen in rockets will provide major advantages for landing astronauts on the moon.

以液氢和液氧为燃料的火箭将为宇航员登陆月球提供尤其重要的有利条件。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。