We measured the variation of the decay rate of 7Be implanted in Pd and Au host materials by detecting the 478 keV γ ray emitted from deexcitation of the first excited state of 7Li which is produced by EC decay of 7Be with two HPGe detectors simultaneously,and found that the decay rate of 7Be in Pd is larger than that in Au by(0.
将HI-13串列加速器次级束流线产生的放射性核素7Be分别注入到Pd和Au中,利用两个高纯锗探测器同时测量7Be EC衰变核素7Li第一激发态放出的478 keVγ射线产额随时间的变化,发现7Be在Pd中的衰变率比在Au中大(0。
We measured the variation of the decay rate of 7Be implanted in Pt and Al host materials by detecting the 478 keV γ-ray emitted from the first excited state of 7Li which is produced by EC decay of 7Be with two HPGe detectors simultaneously,and found no difference of 7Be decay rate in Pt from that in Al within our experimental error (<0.
14%)没有发现7Be衰变率在Pt与Al中有明显差别,讨论了这两种材料的电子亲和势及有效电子密度与EC衰变率的关系。
It is suggest that the particle is the molecular state constructed by xc1 and ρ0;the molelular state model is applied to interpret the reason why the decay rate of Y(4260)→π+π-J /ψ is much larger than that of Y(4260)→DD.
对新发现的Y(4260)粒子进行了初步研究,提出该粒子是cχ1和0ρ构造的分子态,并利用分子态模型解释了为什么Y(4260)→π+-πJ/ψ的衰变会比Y(4260)→DD的衰变率大许多,同时预言伴随Y(4260)存在2个同位旋三重态。
Aiming at the low-energy reaction and Gamow-Teller resonant transition, the influence of electron screening on theβ-decay rate in stellar interior is investigated in this paper.
针对低能反应和共振跃迁,分析了在恒星内部电荷屏蔽对β衰变率的影响。
We calculate the effective mass and damping rate in φ 3 6 theory at finite temperature by evaluating the real and imaginary parts of the one loop self energies at the hard thermal loop (HTL) approximation.
在有限温度下运用硬热圈近似求得 φ36 理论单圈自能 ,进而求得有限质量和衰变率 。
Change of ～7Be Decay Rate in Be and Au;
～7Be衰变率在Be和Au中变化的研究
Most of the Ice Age spans a period of time for which no element has an appropriate decay rate.
冰川期的大部分期间都找不到具有合适衰变率的元素。
Nuclear energy-Light water reactors?Calculation of the decay heat power in nuclear fuels
核能－－轻水堆核燃料衰变热功率的计算
Its decay probability per second is the inverse of this time.
每秒的衰变几率是这个时间的倒数。
Probability of Atom β~+ Decay s Break though Coulomb Potential Barrier;
原子β~+衰变对Coulomb势垒的穿透概率
The breakdown of radioactive isotopes goes on at constant rates.
放射性同位素的衰变在恒定的速率下进行。
Rutherford first identified the action of probability in radioactive decay.
卢瑟福首先认识到几率在放射性衰变中的作用。
The QRS Detection and Heart Rate Variability in Congestive Heart Failure;
QRS波检测及充血性心衰的心率变异性分析
The Circadian Rhythm of Heart Rate Variability and the Intervention of Spironolactone in Heart Failure;
心力衰竭时心率变异的昼夜节律及螺内酯干预
Forecast to the Prognosis of Heart Failure Patients with Heart Rate Variability
心率变异性对心力衰竭病人预后的预测
Effects of exercising on the chronotropic response and heart rate attenuation of healthy youngsters
运动对健康年轻人变时反应和心率衰减的影响
The variant rate of decay rate is zero within thhe accuracy errors.
在精确的实验误差范围内,衰减速率的变化率为零。
The actual rate of decay may be somewhat greater or less than this expected rate.
衰变的实际速率可以比这个预期速率稍大些或稍小些。
D/s=disintegrations per second
每秒衰变数,衰变/秒
The Changes of the Variability of Heart Rate in Patients with Chronic Heart Failure and the Effect of Traditional Chinese Drug;
慢性心力衰竭患者心率变异性的变化及中药干预的作用
The Study of the Left Atrial Functions with Congestive Heart Failure by Strain/Strain Rate Imaging
应变/应变率成像评价慢性心力衰竭左心房功能的临床研究
Effect of Carvedilol on Strain and Strain Rate in Rabbits with Chronic Heart Failure
卡维地洛对慢性心力衰竭兔心肌应变及应变率的影响
At the same time, deep underground, the decay of radioactive elements produced heat at rates more than six times greater than they do today.
同时，地底深处的放射性元素衰变，产生热的速率是今日的六倍以上。
