r-process的意思|示意

美 / / 英 / /


r-process的网络常见释义

快过程 1) 慢过程 (s-process) 2) 快过程 (r-process) 中子俘获过程比β衰变慢 中子俘获过程比β衰变快

反应 ...synthesis)合成新的元素,特别是那些重 于铁的重元素.这时的核反应主要是质子捕获(p-process)和快中子捕获反应(r-process). 由此看来,恒星尘埃的化学丰度和同位素组成主要与恒星的原始化学丰度(金属丰 度)和恒星的质量有关.它们反映了恒星内部的核...

r-process相关短语

1、 Haber r process 哈伯合成氨法 ; 哈伯法

2、 Planar r process 平面工艺

3、 r-process rapid process 快过程

r-process相关例句

The principle of statistical process control is introduced and the damage identification process using Xbar-R chart is derived.

介绍了统计过程控制原理,推导了均值极差控制图进行结构连 续损伤识别的过程;

The advanced second generation patented ultra-low pressure continuous reforming process of UOP and the R-134 reforming catalyst were used in the unit.

该装置采用美国UOP公司先进成熟的第二代超低压连续重整工艺专利技术及r - 134重整催化剂。

Reclassification to R&D work flow process, on the basis of which, frame optimization and technical enhancement is studied.

对开发设计作业流程重新进行了阶段划分,并在此基础上实施了作业过程结构优化和成本技术改善。

Strong R&D capability and superior process technologies.

强大的自主研发能力与高水准的工艺技术。

Obviously, at one time its long i was replaced with long closed e, a process usual in southern dialects before r, but not in the north.

显然,它的长音i被长音闭元音e所替代,这种在字母r前的替代过程在南方方言中常见,在北方却不太常见。

One of the mysteries of this process is that h- managed to stay before w long after it was shed before l, n, and r.

在此过程中的一个奥秘是字母h-在字母l, n和r前脱落很长时间后,仍尽可能地留在字母w前。