为促成一次核爆炸,临界质量必须在一百万分之一秒内聚集在一起。
In order to make a nuclear explosion, the critical mass must come together within a fraction of a millionth of a second.
浓缩程度越大,临界质量越小。
文中还给出了临界质量流速的试验关联式。
这是一个小数目,这是任何人的猜测,如果它构成临界质量。
This is a small number and it is anyone's guess if it constitutes a critical mass.
介绍了一个计算反应堆临界质量的公式,用来校验双群理论。
A formula calculating the critical mass in reactor is recommended for checking the two-group theory.
它几乎像是你们到达了临界质量而激活了第一百只猴子理论。
It is almost as if you have reached critical mass and the Hundredth Monkey Theory is activating.
一个临界质量通常必须由顾客在商务规范中声明,是可操作的。
CTQ usually must be interpreted from a qualitative customer statement to an actionable, quantitative business specification.
这一次的事件冥想大获成功,而且参与冥想的人数非常接近临界质量。
Our Event Meditation was a huge success and we were very close to reaching the critical mass.
本文从理想流体、均匀密度模型解爱因斯坦场方程得到恒星的临界质量。
In this paper, the critical mass of stars is obtained by solving Einstein's field equations by means of the model of perfect fluid medium with uniform density.
如果以这种方式熔化的燃料足够多,或许能够组成一个临界质量,重新引发裂变反应。
If enough molten fuel gathers this way, a critical mass may be assembled, reigniting the fission reaction.
同时还需要足够多的、可裂变的原子核用于中子进行撞击,换句话说,需要一个临界质量。
There also need to be enough fissionable atoms about for the neutrons to bumpinto—in other words, a critical mass.
有一个临界质量,花费大量的时间让大家交流开始压倒,可用于实际的代码产生的时间。
There's a critical mass where the amount of time spent on getting everybody to communicate starts to overwhelm the amount of time that can be spent on actually getting code produced.
就像在其它行业中那样,该地区本地公司的佼佼者缺乏规模,而这个世界中临界质量看来更加重要了。
As in other types of business, the region's local champions lack scale in a world where critical mass seems to matter ever more.
在银河系的情况中,梅尔推测一个类似的气体消耗的过程可能发生在40亿年后达到临界质量时的形成末期。
In the case of the Milky Way, Mayer speculates that a similar gas-consuming process could have occurred later in its history when it had reached a critical mass after three to four billion years.
随着客户购买和制造暴涨,数量过多的库存和客户需求的解决方案来管理这一过剩已达到临界质量。
With customer purchasing and manufacturing skyrocketing, the volume of excess inventory and customer demand for solutions to manage this excess is reaching critical mass.
这会造成核原料所谓的临界质量,当其中的原子在无法控制的连锁反应中***时,能在瞬间开释出能量。
This creates what is known as a critical mass of nuclear material, which releases its energy instantaneously as atoms inside it split in an uncontrolled chain reaction.
我们在第二次欧洲和平冥想取得了部分的成功。虽然当天有许多人参与冥想,但是人数远不足以达成临界质量。
Meditation for Europe was a partial success. Although many people participated, we were far from achieving the critical mass.
由于这次冥想是针对地球之外的状况,所需的人数临界质量比往常还低,所以我们这一次轻轻松松地达成了临界质量。
The critical mass of the surface population required for this activation was lower because we were dealing with an off-planet situation and it was reached easily.
通过同ebay联姻,贝宝达到了“临界质量”,贝宝现在要做的就是说服更多的在线零售商接受自己成为支付手段,贝宝的总裁RajivDutta这样认为。
Having achieved "critical mass" through its ties to eBay, the job for PayPal now is to persuade more online retailers to accept it as a form of payment, says Rajiv Dutta, PayPal's President.
共同特征:自助式服务,自然获取用户,达到网络效应的临界质量,失控的用户增长速度,赢家通吃的市场环境,复杂的用户体验,网络效应,以创造新的用户社交互动方式为典型。
Common characteristics: self service customer acquisition, critical mass, runaway user growth, winner take all markets, complex ux, network effects, typically create new ways for people to interact.
对于任何一个物体,都存在一个被称为史瓦西半径的临界半径,在这个半径以内的质量将形成一个黑洞。
For any object, there is a critical radius, called the Schwarzschild radius, at which its mass will form a black hole.
对于星系超过临界大小的星系,超过一亿太阳质量的尘埃可以在仅仅十万年内被引导到中心,在中心产生了高密度的尘埃云。
For galaxies above a critical size, more than 100 million solar masses of dust can be channelled towards the centre within just 100, 000 years, creating a dense cloud in the centre.
一旦超大质量黑洞到达了临界的大小它们就可以变成有着恒星大小却如整个星系般闪亮的类星体。
Once SMBHs reach a critical size they can transform into quasars, which are extremely bright objects as small as a star but as luminous as an entire galaxy.
虽然还没有确定这些质量是否足以使宇宙停止扩大,一些物理学家认为这些推测正趋向接近临界值,这是意义重大的。
While it has not yet been determined whether this mass is sufficient to close the universe, some physicists consider it significant that estimates are converging on the critical value.
根据这一振动模型,推导了齿轮副的平均单齿刚度、单对轮齿啮合综合刚度、有效质量、固有频率与临界转速等一系列计算公式。
The model is used to understand a series of formulae, for example, mean single tooth stiffness, gear pair mesh synthesizing stiffness, effective mass, nature frequency and critical rotating speed.
介绍了该类轧辊的温度、应力状态、临界裂纹尺寸及内部质量情况。
The temperature field, stress, critical crack size as well as the interior quality of the rolls are presented.
质量偏心主要影响临界峰值,对其它各峰值影响很小。
Mass eccentricity only influences the main critical peak and has less effect on other peaks.
提出了临界成形时间的概念,并研究了影响成形质量的诸多因素。
The critical forming time has been put forward and several factors which influence forming quality have been studied.
提出了临界成形时间的概念,并研究了影响成形质量的诸多因素。
The critical forming time has been put forward and several factors which influence forming quality have been studied.
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