Now for this experiment, this is a constant enthalpy experiment for the Joule-Thomson experiment, this is equal to zero.
对于这个实验,焦耳-汤姆逊实验,是一个焓不变的实验,焓变化等于0,所以我可以。
But this is a compound, right, it has some non-zero heat of formation from the elements. So is water, right?
但这是种化合物,对吧?,它具有非零的生成热,水也是一样,对吧?
So you sort of have a zero-base budgeting model of, "If we were a start-up, what would we do? How would we organize to deliver value to the customers?"
所以得有一个零基础预算模式,如果我们从头开始,我们该做什么,我们如何组织以带给客户价值“
I think it's reflecting the fact that we're moving into possibly a situation of protracted situation--of nearly zero interest rates.
我认为它预示着,我们有可能正在向一个处境进发,一种长期的情形,一个零利率的处境。
And this puzzle piece here colored in blue because it's a Boolean expression is just something that--whose answer is either a yes or no, 0 true or false, one or zero.
这个拼图染成蓝色,因为它是布尔表达式,它的结果只可能是肯定或否定,对或错,1或者。
Well, the energy at infinity is zero -K and the energy in the ground state is minus K.
无限远处的能量值为,而基态能量值为。
That's going to presumably be given--mathematically if we gave it a number, we'd slap a zero on that.
如果用数学解释,给它一个数字,给它一个零。
I want to point out that the zero energy is defined as when you have a naked proton -- where the electron has popped out -- that's what we've defined as zero energy up to this point when we're talking about single atoms.
我想指出,这里零点能的定义,是当我们只有一个裸露的质子,而没有电子时-,到目前为止对零点能一直采用这样的定义,当我们在讨论单个原子时。
But let's look for a slight variant of it, where greedy is not so good. And that's what's called the zero-one knapsack problem.
但是让我们找一找它的一些变种,在这些变种中贪婪算法用处不大,这些问题也就是0/1背包问题。
First of all, happiness is a positive sum game-- it's not a zero sum game.
首先,快乐是正和游戏-,不是零和游戏。
And the temperature scale that turns out to be well-defined and ends up giving us the concept of an absolute zero is the ideal gas thermometer.
比如理想气体温标,它有精确的定义,并能引出绝对零度的概念,今天我们就先来谈谈它。
So,after taking into account the market impact, and the commissions,and the fees, this zero-sum game becomes a negative-sum game.
所以,考虑到市场冲击,佣金,规费,这一零和博弈变成了负和博弈
The absolute number that you assign to it is something that's arbitrary. You have to set what the zero is. And so there's a well-understood convention for what the zero is.
你指定给它的绝对值是有任意性的,你需要设定零点的位置,因此有一个经过充分研究的,关于设定零点的约定。
I'm going from V2 to V2 dv - what do you think this integral is? Right, W1 so this is easy part, zero here.
这样才保证了过程的可逆性,下面来计算,路径1的功。
It might be zero for some people, but it's actually-- it is--the standard rate for people who have not negligible income is 15%.
对某些收益较少的人来说税率是零,但实际上...,对于大部分投资获利的人来说,标准税率是15%
0 Then I type negative1, zero, maybe negative zero.
然后我键入-1,0,或。
So let's look at an example of a zero-one knapsack problem.
我们要像之前一样将其最优化,现在让我们来看一个0/1背包问题的例子。
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