The expectation value of atom dipole moment is always zero but the fluctuation of dipole moment is a constant and not zero during the atomic spontaneous emission . Therefore the spontaneous emission of atoms is caused by the fluctuation of dipole moment that arises from vacuum fluctuation .

在 原子的自发辐射过程中，其偶极矩的期待 值总是零，但偶极矩的涨落恒等于一个不为零的常量，因此原子的自发辐射是由真空起伏导致偶极矩的涨落引起的。

In solution Numerical Value of standard electric Potential measure difficult and easy of metal atom lose electron .

在水溶液中，金属 原子失去电子能力的难易用电离势数值 大小来衡量。

The return value of this method is a series of nested PHP objects each representing an entry in the underlying Atom result feed .

该方法的返回 值是一系列嵌套的PHP对象，分别代表底层 Atom结果提要中的一个项。

While the δ I value of a carbon atom 130 the reactivity of the carbon atom is so low that it can not occur nucleophilic electrophilic reaction .

那些δ i130的碳 原子反应活性极小，以至不能发生亲核亲电反应。

When Kerr medium μ and the interaction of the field-atom increase to a certain value the correlation degree of light field and atom will weaken and disappear .

当场与原子的初始相互作用和Kerr效应μ增加到一定 程度时，都会导致光场与 原子的关联程度逐渐减弱直至退耦。

After the numerical calculations the influences of the squeezing parameters of the initial squeezed state field the frequency detuning value of the mono photon and the intensity of atom field coupling on the atomic dipole squeezing are discussed .

通过数值计算，讨论了初始压缩光场的压缩参数、单光子失谐 量以及 原子&光场耦合强度对原子偶极压缩的影响。

Numerical method is adopted to discuss the influence of the relative value of atom field coupling constants and the atomic initial coherence on the squeezing effect .

运用数值计算方法讨论了辐射场 与 原子的2种耦合常数的相对 大小以及原子的初始相干性对原子偶极平方压缩的影响。

The value of commodities is the very opposite of the coarse materiality of their substance not an atom of matter enters into its composition .

同商品体的可感觉的粗糙的对象性正好相反，在商品体的 价值对象 性中连一个自然物质 原子也没有。

On the basis of α I a novel characteristic value of bioactivity for atom I a structure information index has been developed for research on acute toxicity of phenylsulfonyl acetates to daphnia magna .

在邻接矩阵基础上，提出一种新的 原子生物活性特征 值αi，由αi建构结构信息指数G，将其用于苯砜基乙酸酯类化合物对大型蚤急性毒性的研究。

In other words if you call a function that changes the value of an atom then when that function returns you are guaranteed that all threads will see the new value .

换句话说，如果调用了改变 atom 值的函数，那么当该函数结果返回时，可以确保所有的线程都能看到新值。

If the schema processor has reached this point the value of type ( if this attribute exists ) is not one which Atom allows .

如果模式处理程序达到了这个步骤，type（如果该属性存在的话）的 值不是 Atom允许的 值。

The result reveals that the value of lgc 50 has some relationship with the maximum positive charge of the molecule molecular dipole moment and the distance between the nitrogen atom and the oxygen atom .

回归结果表明：化合物的半抑制浓度对数lgc50 值与分子最大正电荷、分子偶极矩及氮氧原子间距相关.根据计算结果对该类 化合物与受体的作用机制和作用位点进行了讨论。

Their standard model treats the universe as though its density did not vary from place to place but had a uniform average value of one atom per cubic meter .

标准模型将宇宙视为一个均匀结构，密度不会随著空间位置而 变化，每立方公尺平均有一个 原子。

For instance the server can use the value of the slug when creating the URI of the member resource or when setting the value of the title element in the Atom Entry Document .

比方说，服务器可以在创建成员资源的URI或者设置 AtomEntryDocument中title元素的 值时使用slug的值。

About the Virtual Value of Atom Availability

原子利用率有效 值的提出与讨论

Chromatogram point value (δ ~ R_i ) of bonding atom I containing many structural information is defined in this paper . On the basis of molecular adjacency matric and δ ~ R_i a new connectivity index ( ~ mT ) has been developed .

定义包含成键 原子多种结构信息的色谱点 价（iδR），在邻接矩阵的基础上构建新的连接性指数（mT），并计算112种有机分子的0T1、T 值。

The Calculation of the Average Value 〈 r ~ v 〉 of the Radial Distance of the Hydrogen Atom

氢 原子径向距离r~ν平均 值的计算

And the diffusion distance of alloy elements at different aging temperature for various time corresponding to different larson-Miller indices P value has been calculated by the random walk theory of atom diffusion .

并运用 原子扩散无规行走理论计算了在对应不同LarsonMiller指数P 值的不同温度和时间下时效时钢中合金元素的扩散距离。

And the mean value of field entropy decreases the evolution periodicity increases when the coupling atom strengthens .

两 原子之间耦合增强使量子场熵的 均值增大，并使光场量子场熵的周期变长。

It also remembers in the data associated with that node the value of the down link from that folder 's Atom entry .

它也能在该节点相关数据中，记忆该文件夹 Atom条目的下行链接 值。

Here Sis the disarrangement value of the field variable pattern in the system in which the non-resonant interaction takes place between double mode compression vacuum field and the A-form 3-level atom .

其次，本文还研究了双模压缩真空场与∧型三 能级 原子非共振相互作用系统中场模失谐 量δ和光场的初始压缩因子r对 光场压缩影响。