查询词典 annihilation

For the system such as NN,π〓π〓 in which there are not quark and antiquark with the same flavor, only t-channel OGEP is needed to consider; but for the system such as K〓 in which a quark and an antiquark may have the same flavor, the effect of q〓 annihilation must be taken into account.

对于不含有相同味道夸克—反夸克的相互作用体系如NN，π〓π〓，显然是合理的；但对于类似πN，K〓这类含有相同味道夸克—反夸克的体系，湮灭道的贡献必须考虑。

The problem is how to consider the relativistic corrections to this potential. Adopting the assummation that the quark interaction is the sum of the usual one-gluon direct exchange and the mixture of linear scalar and vector potentials, we structure the relativistic corrections of order v2/c2to the Cornell potential, including the annihilation potential for the quark and antiquark of the same favors which plays the same role with the one-gluon direct exchange at short distances.

采纳库仑势源于单胶子直接交换，而线性禁闭源于标量和矢量的混合，同时考虑在短程区域与单胶子直接交换起同样作用的同味正反夸克的湮灭，构造了静态夸克-反夸克势到v~2／c~2级次的完全相对论修正，并拟合计算了重介子偶素的能谱，讨论了相对论修正对重介子偶素能级分裂的作用。

Investigation on the effect of Sn/Pb - dopped Bi - 2212 superconductors has been canied out by the X - raydiffraction, together with simultaneous measurements of the spectra Of POsitron annihilation lifetime and positronDoppler broadening.

以X射线物相分析为主要实验手段，并结合正电子寿命谱和多普勒展宽谱和电阻测量，系统地研究了在不同的锡掺杂量下，Bi－2212超导相结构细节及电子态的变化。

With the annihilation of Legio XVII, XVIII and XIX in the battle of the Teutoburg Forest (9 AD), II Augusta moved to Germania, possibly in the area of Mainz.

此战使罗马对西班牙的统治最终稳定地确立下来。此后第二&奥古斯塔&军团驻扎于近伊比利亚行省。

The final contribution of gluon-gluon fusion to total cross section can be as large as 5％ of that of quark annihilation because of the large luminosity of gluon in hadron collider.

虽然胶子聚合只有圈图阶的过程，但是由于强子对撞中胶子的高亮度，最终胶子对总过程截面的贡献也可以达到相应夸克贡献的5％。

And sure enough, following on a gory description of the annihilation of a Eurasian army, with stupendous figures of killed and prisoners, came the announcement that, as from next week, the chocolate ration would be reduced from thirty grammes to twenty.

果然，先是鲜血淋漓地描述对欧亚国军队的屠戮，报告大量杀伤俘获的人数，而后便宣布，从下周开始，巧克力的定量供应从三十克减到二十克。

Shrines of the Revolution: Arched entryways lead into the hand-hewn caves of Yenan. In 1934, facing annihilation by Nationalists in south China, Mao led 90,000 troops on the epic Long March—a 6,000-mile retreat across 18 mountain ranges and 24 rivers.

革命圣地：拱形的门洞引进了延安手挖的窑洞。1934年，面临在中国南方被国军歼灭，毛带领9万红军进行了史诗般的长征——一次行程6000英里横跨18条山脉和24条江河的撤退。

As an example,we calculate polarizations of different hyperons in e+e- annihilation at LEP energys and compare these results with the available data.

作为应用举例，给出了e+e-湮没过程中LEP能量下各种超子的极化及与已有实验的比较。

The material of antibiotic appearance active that tear tear place contains is preparing the bacteria that annihilation inbreaks at any time.

眼泪眼泪所含的抗菌素样活性物质随时准备着歼灭入侵之病菌。

For the protection of the devotees and the annihilation of the miscreants and to fully establish righteousness, I appear millennium after millennium.

为了保护皈依者，消灭异端卑劣者，完全建立起正义，我每个千年都会出现的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。