反粒子

Based on the simulated multispectral and multiangular satellite measurements, we analyzed the sensitivity of different wavelength and satellite view.angle to the retrieval of the aerosol optical thickness and effective radius.

2利用Mie散射和大气辐射传输模式模拟了一个给定条件下的卫星多视角、多波长的辐射观测，分析了各通道之间可用于气溶胶光学厚度和粒子有效半径反演的敏感性。

In the present work we have studied theses two complementary methods to identify photons in the electromagnetic spectrometer PHOS.

通常有两种方法来鉴别光子和其他粒子：之一，在PHOS前放置一带电料子反符合探测器CPV。

Meson: Any member of a family of subatomic particle s composed of a quark and an antiquark.

介子：由一个夸克和一个反夸克组成的亚原子粒子族。

Meson: Any member of a family of subatomic particles composed of a quark and an antiquark.

介子：由一个夸克和一个反夸克组成的亚原子粒子族。

Meson: Any member of a family of subatomic particles compose d of a quark and an antiquark.

介子：由一个夸克和一个反夸克组成的亚原子粒子族。

A B meson is a short-lived particle made up of both matter and antimatter -- one quark and one antiquark.

B介子是一种由物质和反物质组成的短寿命粒子。

Any of a family of subatomic particles that participate in strong interactions, are composed of a quark and an antiquark, and have masses generally intermediate between leptons and baryons.

介子任一种具有较强相互作用力的亚原子粒子群，由一夸克与一反夸克构成，并具有通常介于轻子和重子间的质量

The CDF physicists measured the rate of matter-antimatter transitions for the neutral Bs meson, a particle composed of a "bottom" quark and a "strange" antiquark.

CDF的物理学家们测量了中性Bs介子（一种由一个底夸克和一个奇夸克构成的粒子）的物质-反物质转变速率。

A number equal to the difference between the number of baryons and the number of antibaryons in any subatomic structure; it is ''.

在任意亚原子结构中的重子数和反重子数之差；在各种粒子的相互作用中守恒。

A number equal to the difference between the number of baryons and the number of antibaryons in any subatomic structure; it is conserved in all types of particle interactions.

在任意亚原子结构中的重子数和反重子数之差；在各种粒子的相互作用中守恒。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。