The reward for building a successful space sail would be to increase the velocity of a spacecraft indefinitely without the need for propellant.
制造一个成功的空间帆带来的好处是可以在无需推进剂的情况下加速航天器。
And the curl of a force field tells you how quickly the angular velocity is going to increase or decrease. OK.
力场的旋度告诉你,角速度增加或减小的快慢。
In other words, its mass must increase without limit when its velocity approaches the velocity of light.
换句话说就是,当它的速度接近于光速时,它的质量肯定无限制的增大了。
The increase velocity of the UCS decreased gradually with the increasing of curing period, but increased with the increasing of cement ratio.
水泥土无侧限抗压强度的增大速率随龄期的增大而逐渐减小,随着水泥掺入比的增加而增大;
It shows that the signal will become bad with the increase of transmission velocity and distance by comparing the wave figure and eye diagram of input and output pulse.
通过比较输入与输出信号脉冲波形和眼图发现,随着传输速率和传输距离的增加输出信号劣化。
With increase of bed height, air pressure and power consumption rise, expansion ratio of the bed decreases, but the density stability and critical fluidized velocity of the bed are hardly changed.
随着床层高度的增加,所需风压及功率增大,膨胀率有所降低,而床层密度的稳定性和起始流化气速几乎不变。
With increase of pulling velocity, the distance of lamellar structure became smaller.
另外随着生长速率的增加,片层间距减小。
But the high frequency of sampling will result in the increase in data collecting, thus reduce the velocity of leaking detection.
但采样频率过高会增加处理的数据量,从而降低泄漏检测的速度。
One of the most powerful means in the development of oleanolic acid new dosage forms is to increase its solubility and drug dissolution velocity.
增加药物溶解度和溶出速率,是齐墩果酸新制剂研究中的主要措施。
The results indicate that the penetration depth does not increase with the increasing hit velocity, which is different from the phenomena of the penetration of concrete and rock.
这与弹体在普通混凝土和岩石中的侵彻现象明显不同,主要是由侵彻弹体发生破坏失去了继续侵彻能力造成的。
The increase of number of cycle not debased velocity of carburization.
循环次数的增加是不会降低渗碳速度的。
The SPRD is used on zone systems when the automatic closing of various zone dampers can create an excessive increase in air pressure and velocity throughout the duct system.
SPRD旁通阀是当各种区域风门自动关闭时用在区域系统中,可以在管道系统中增加空气压力盒速度。
Variable size of measurement matrix is set up to increase operation velocity and attenuate noise in processing.
在滤波处理时,设置可变的测量矩阵,其目的在于提高运算速度和抑制噪声干扰。
Wushishan iron ores can improve the sintering bed permeability and increase vertical sintering velocity, and decrease production cost of sinter.
乌石山矿可以改善烧结过层的透气性,提高垂直烧结速度并降低烧结矿的生产成本。
The seepage velocity in peak stress decreases with the increase of confining pressure, and indicates obvious linear relationship.
煤样的峰值渗流速度随围压的增加而减小,呈现较明显的线性关系。
The velocity and displacement of gas front and melt front increase dramatically.
熔体和气体前沿的速度和位移均急速上升。
The experimental results show that, liquid sputtering velocity and distance increase with the decrease of the ambient pressure.
实验结果表明,液体的溅射速度和距离随着背景气压的降低而增加。
Using the technology of Pt diffusion to produce diodes can shorten the reverse recovery time and increase the velocity of switching.
采用扩铂工艺制造二极管能够有效地减小开关二极管的反向恢复时间,提高其开关速度。
The negative pressure gradient and slip velocity in standpipe increase with the increase of circulating rate.
随着循环量的增大,立管内的负压差梯度及气固相对速度也随之增大;
It is found that the friction coefficient increases with the increase of sliding velocity, and there is critical velocity.
试验发现,摩擦系数随滑动速度的增加而增加,存在临界滑动速度。
The obtained results showed that the effect of external diffusion could be slackened by the decrease of fixed-bed voidage and the increase of space velocity.
计算结果表明,银催化剂床层空隙率的减小或操作空速的增加有利于减弱该催化反应过程中外扩散效应的影响。
Super high water cut oil system has good flow behavior at lower temperature, and its apparent viscosity changes a little with temperature but increases with the increase of velocity.
特高含水原油体系具有很好的低温流动性,黏度随温度的变化幅度不大,但随着流速的增加而增加。
The diffuser of mine main fan is a device to use reducing velocity pressure of outlet, increase static pressure and recovery kinetic energy.
矿井主扇扩散器是用来降低出口速压以提高风机静压而回收风机出口动能的装置。
The results also predict that the roll force and the roll torque increase with the increase of the feed velocity.
随着芯辊进给速度的增大,轧制力和轧制力矩也相应增大,因此对轧环机力能参数的要求也提高;
The secondary hydration of high fly ash content concrete is slow at the early period and then the velocity of it gradually increase.
高掺量粉煤灰混凝土早期二次水化较为缓慢,随后二次速度逐渐加快。
With the increase of the velocity and acceleration of the moving target, it produces a large accretion of dynamic error of O-E theodolite.
随着被测目标运动速度和加速度的不断提高,导致光电经纬仪电视跟踪的动态误差急剧增大。
As metastable atoms deexcite, the vapor velocity and temperature increase, the peak value of the velocity distribution function shifts rightward, and the half width increases.
亚稳态原子消激发,使蒸气宏观速度增加,温度增加,所以使速度分布函数峰值右移,半宽度增加。
Certain concentration of sucrose solution is helpful to growth of pollen tube; both 10% and 20% sucrose solutions can significantly increase elongation velocity of pollen tube.
一定浓度的蔗糖溶液有助于花粉管的生长,10%、20%蔗糖浓度均能显著提高花粉管伸长速度。
Certain concentration of sucrose solution is helpful to growth of pollen tube; both 10% and 20% sucrose solutions can significantly increase elongation velocity of pollen tube.
一定浓度的蔗糖溶液有助于花粉管的生长,10%、20%蔗糖浓度均能显著提高花粉管伸长速度。
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