持续性房颤伴有不可控制的心房快速速率反应可能引起扩张性心肌病导致心房内心电重构(心房心肌病)。
Persistent AF with an uncontrolled, rapid ventricular heart rate response can cause a dilated cardiomyopathy and can lead to electrical remodeling in the atria (atrial cardiomyopathy).
我们把这个代入然后写出反应速率。
婴儿反应的胶片分析、心率和呼吸速率监测器以及非营养性吸吮装置是理解婴儿感知的有效工具。
Film analysis of the infant's responses, heart and respiration rate monitors, and nonnutritive sucking devices are used as effective tools in understanding infant perception.
当然，我们不光要研究一个反应会不会发生，反应速率多块也是很重要的研究问题。
Of course, we'll investigate not just whether the reaction will occur, but how fast it occurs, which is really important.
那么我们把这代入，我们写我们的反应速率。
And so we plug this into the, we write our rate of reaction.
这个反应速率。
任何一个数都可以用，来定义反应的速率。
And any of those can be used to define the rate of reaction.
概念就是反应速率。
而他们所推崇的一种假说认为热带地区的温度更高意味着化学反应发生的速度更快，因此生物代谢的速率也更快。
The one they favoured is that the higher temperature of the tropics means that chemical reactions happen faster and metabolic rates are therefore higher.
让我们从这个反应的速率开始。
动理学主要关注反应的速率。
每克二氧化钛纳米管可以使这个装置大约每小时生成160毫升碳氢化学物。 这个反应速率至少要快于先前在紫外线下得到的结果20倍。
The devices generated roughly 160 microlitres of the hydrocarbons per hour per gram of their titania nanotubes, a rate at least 20 times higher than in previous studies done with ultraviolet light.
基本上它是反应速率乘以每个反应的，能量，所以，我们有一个术语，我们称为每个裂变的能量。
And essentially it's the reaction rate times the energy per reaction. So we have a term that we use called the energy per fission.
它有锆或氢的反应速率,它发生的位置，很明显是在同样位置,百分比反应。
It has zirconium/hydrogen reaction rate and where it occurred, obviously about the same place. The percentage reaction.
我们要来看这个反应速率。
如果你在它上面，你会以一级反应的方式减少，以速率常量。
If you're above it, you're going to decay in a first order fashion, k1 with a rate constant k1.
基于我们知道反应速率。
这里我要强调的是,当我们讨论化学反应速率的时候，这点和平衡不同，我们只讨论特定方向的反应。
So the point I'm emphasizing here is when we talk about reaction rates, unlike equilibria, we're talking about a particular direction.
实际上，虽然严格来说反应速率，对于化学组分来说是零阶反应，但对于光子来说不是零阶反应。
And in fact, strictly speaking although this is zero order in terms of the chemical constituents, it's not zero order in the photons.
那么，第一个是决定反应速率的步骤，A到。
B So, the rate determining step is the first one, a goes to B.
在一般情况下，试剂的稀释可能对反应的速率增加，减少，或没有影响。
In general, dilution of the reagents can increase, decrease, or have no effect on the reaction rate.
积分速率定律表明了在反应中物种的浓度是如何受时间的影响的。
The integrated rate law shows how the concentration of the species in the reaction depends on time.
采用这种集总方法可以使总反应速率的计算得到简化，而且可以减少对体系进行描述所需的动力学参数的数目。
The resulting method makes the calculation of the total reaction rate much easier, and provides an effective means of reducing the number of parameters required to adequately describe the system.
反应速率服从抛物线定律。
现在，研究人员惊奇地发现，这种被认为只在浪花飞溅时才发生的化学反应，也以同样的速率发生在距离任何海洋都近1500公里的科罗拉多州博尔德(boulder)市上空。
Now, in a surprise, researchers have found that this chemistry thought to be restricted to sea spray occurs at similar rates in air above Boulder, Colo., nearly 900 miles away from any ocean.
总能量如何影响反应速率？
这些结果与大豆胚胎生长速率对高光照的反应相一致。
These results are consistent with a high irradiance response for growth of soybean embryos.
这种链式降解反应的速率可通过加入少量抗氧剂而受到阻滞。
The rate of chain-reaction degradation is retarded by the presence of small amounts of antioxidants.
结果表明，整个反应的速率常数受温度的影响较为复杂。
The results show that the temperature dependence of rate constants is complicated.
结果表明，整个反应的速率常数受温度的影响较为复杂。
The results show that the temperature dependence of rate constants is complicated.
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