自然科学相关工程与技术

反应堆周期 reactor time constant reactor period

题目

反应堆周期 reactor time constant reactor period

参考答案和解析
正确答案: 反应堆内中子通量密度按指数规律改变e倍所需要的时间。
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相似问题和答案

第1题:

The radar control that shortens all echoes on the display and reduces clutter caused by rain or snow is the ______.

A.sensitivity time control (sea clutter control)

B.receiver gain control

C.brilliance control

D.fast time constant (differentiator)


正确答案:D
在雷达控制上显示和减少由雨雪引起的杂乱回波的是微分器(雨雪抑制)。

第2题:

______is a precaution which contributes to avoiding trouble under normal operating conditions.

A.Constant inspection

B.Keeping constant load

C.Remaining constant temperature

D.Varying speed


正确答案:A

第3题:

161 A(n) _____ is defined as a specified accomplishment in a particular instant in time which does not consume time or resources.

A. Activity

B. Event.

C. Correlation

D. Constant E

. Event constrained within planned effort.


正确答案:B

第4题:

反应堆的周期和倍周期?


正确答案:反应堆功率上升e倍所经历的时间;
反应堆功率上升一般所经历的时间。

第5题:

关于reactor正确的说法是()。

  • A、reactor可以使用OpenGL特性
  • B、这个插件只能支持3dsmax5的部分功能
  • C、reactor缺省状态下有重力存在
  • D、reactor控件都在辅助物体项目下

正确答案:A,C

第6题:

A user reports it takes a long time to load all applications and the hard drive LED is showing constant activity. Which of the following is MOST likely the issue?()

A. The processor is faulty.

B. The file system is fragmented.

C. The modem drivers are corrupt.

D. The power supply is faulty.


参考答案:B

第7题:

Modern marine diesel engines equipped with mechanical fuel injection operate on a combustion phase within the cycle which is ______.

A.entirely constant pressure

B.entirely constant temperature

C.a combination of constant volume and constant pressure

D.a combination of constant temperature and constant pressure


正确答案:C

第8题:

What does“the days”in Paragraph 3 refer to?

A.I maginary life

B.Simple life in the past

C.Times of inventions

D.Time for constant activity


正确答案:B

第9题:

UMG8900支持ATM承载的业务类型包括()。

  • A、rt-VBR(real-time Variable Bit Rate)
  • B、ABR(Available bit rate)
  • C、CBR(Constant Bit Rate)
  • D、UBR(Unspecified Bit Rate)
  • E、nrt-VBR(noreal-time Variable Bit Rate)

正确答案:A,C,D

第10题:

(反应堆冷却剂系统)压力边界 (reactor coolant system) pressure boundary


正确答案: 在运行温度和压力下包容反应堆冷却剂同时用于包容放射性物质的边界。