We need to know the velocity of the neutron which we can talk about with energy and we need to know the time, when did this take place?
我们需要知道中子的速率，我们能够用能量来谈论它，我们需要知道时间，它什么时候会发生？
Remember a neutron has a certain lifetime from the time it's born to the time it gets captured and you can measure that in distance as well.
记住，一个中子有一定的生存期，从它产生的时间，到它被捕获的时间，你就能够在远处测量它。
The analogy is not perfect. Unlike the neutron, RNA has been known about for a long time.
类比并不恰当，因为RNA和中子有所不同——我们早就知道它了。
According to a statement, the new neutron beam line will replicate the cosmic radiation affecting microchips from 100 years of flying time in the space of an hour.
根据一项声明，新的中子束流线将复制宇宙辐射的影响，从100飞行一小时时空年芯片。
So, although the researchers favor the baby black hole story over the newborn neutron star, only time and more observations will tell.
所以，虽然研究人员喜欢新生黑洞的报道甚于新生中子星，但是只有时间和更多的观察研究才能证明一切。
For the past seven years, this German set-up has been looking for gravitational waves - ripples in space-time thrown off by super-dense astronomical objects such as neutron stars and black holes.
在过去的七年中，这台德国装置一直在探测引力波——由诸如中子星和黑洞这样的超密度天体引发的时空波动。
It is theoretically considered that reservoir gas-bearing makes interval transit time porosity and density porosity increase and neutron porosity decrease.
理论上认为，储层含气使声波时差孔隙度和密度孔隙度增大，使中子孔隙度减少。
Neutron lifetime is the time in which the thermal neutron density falls to half.
中子寿命是指热中子密度降至一半所用的时间。
The parallel computer programs to solve time-dependent two dimensional neutron transport problem were drawn up, and many test calculations were completed by using the YH-1 type electronic computer.
编制了求解时间相关二维中子输运问题的并行计算程序，并在YH - 1计算机上进行过许多验证计算。
Reported the new devolopment of ceramic neutron tube with drive-in target, introduced the key technique and characteristics of long work time and average working live of the tube.
报道了自成靶陶瓷中子管研究的最新进展。介绍了自成靶陶瓷中子管的关键技术措施及其长期工作性能和平均工作寿命。
Theoretically, when gas exists in reservoir, longitudinal wave offset time will increase and transverse wave offset time will not change and density will decrease and neutron will decrease, too.
理论认为当储层中存在着天然气时，会导致纵波时差增大，横波时差不变，密度测井值减小，中子孔隙度减小。
The soil moisture is measured in the field by time domain reflectometry , neutron probe and soil sampling, The results showed that the measured values are different.
应用时域反射仪、中子仪和上钻法测定了农田土壤水分，并对农田土层含水量和主体贮水量的测定结果进行了比较。
Based on MCNP, authors developed the software package of the Monte Carlo method to simulate the neutron flux distributions with the space, energy and time for neutron logging.
作者在MCNP的基础上，开发了中子测井，中子通量随能量、时间分布蒙特卡罗(MC)模拟软件包。
This log has been replaced by the neutron -lifetime and neutron-decay-time logs.
氯测井已经被中子寿命测井和热衰减时间测井所代替。
The study of the influence of neutron scattering by the surrounding medium and fragment detector on fission neutron spectrum measurement with time-of-flight (TOP) method has been carried out.
介绍了用飞行时间方法测量裂变中子谱时中子在裂变碎片探测器上和周围材料上散射的影响。
In the other code, the Nodal Green's Function Method was used to solve space-time dependent neutron diffusion equation.
在另一个程序中，用节块格林函数方法解时-空中子动力学方程。
A new type of neutron detector which can avoid counting loss and carry out real-time measurement for pulsed neutron field will be introduced in the paper.
本文介绍了对脉冲中子辐射场探测和一种可以防止漏计数又可实时监测的中子探测器的研究。
We deal with the triangular mesh-discontinuous finite element method for solving the time-dependent anisotropic neutron transport problem in two-dimensional cylindrical geometry.
本文研究了求解二维输运问题的各向异性三角网间断有限元数值方法。
Boron gadolinium neutron life time logging is a method for monitoring the residual oil saturation in late of high water cut stage of sandstone oil field.
硼(钆)-中子寿命测井以硼、钆化合物溶液作为指示剂，采用“测渗测”的方法，能够很好地解决多油层砂岩油田高含水后期监测储层剩余油饱和度的问题。
When the gas saturation in formation is high, the characters of low neutron, low density, high interval transit time and high resistance are obvious;
当地层含气饱和度较高时，有低中子、低密度、高时差及高电阻率特征明显；
The neutron energy spectra were measured, using standard pulsed-beam time-of-flight methods.
用标准的飞行时间方法测量中子能谱。
The result of initiation time is consistent with experiment. Emission rate of delayed neutron attained from calculation can well explain the probability distribution of initiation time.
计算结果表明，脉冲引发时刻概率分布的计算结果与实验结果符合较好，所获得的缓发中子发射率规律可合理解释引发时刻概率分布的实验结果。
The Monte Carlo calculating software packet was developed for wall epithermal neutron time-spectrometry logging on the basis of MCNP.
在此基础上，再研究井壁超热中子时间谱测井仪或井壁超热中子测井仪的工程参数。
The Monte Carlo calculating software packet was developed for wall epithermal neutron time-spectrometry logging on the basis of MCNP.
在此基础上，再研究井壁超热中子时间谱测井仪或井壁超热中子测井仪的工程参数。
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