光电探测器及其在火灾探测中的应用

来源 :消防科学与技术 | 被引量 : 0次 | 上传用户:quantity22
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
文章着重介绍了火灾探测领域常见的光电探测器的工作原理、结构形式和性能特点,并且介绍了在火灾探测中光电探测器的使用情况.
其他文献
Challenges of teenage pregnancy and adverse outcomes of pregnancy constitute a major public health problem in South African women of the childbearing age of 15
本文从几方面论证了自动扶梯在扩大分隔后不能当作安全出口。
The duplicate form of the generalized Gould-Hsu inversions has been obtained by Shi and Zhang. In this paper, we present a simple proof of this duplicate form.
In this paper, we study the existence of solution of a critical fractional equation;we will use a variational approach to find the solution. Firstly, we will fi
In this paper, an overview of the theory of Mössbauer effect is covered, and the main hyperfine interactions parameters which affect the shape of the resul
高层民用建筑的防烟楼梯间及其前室是火灾情况下人员疏散最重要的通道,有"生命线"之称,而消防电梯前室则是消防人员扑救火灾时的必经场所,这些部位一旦受到烟火侵袭,后果不堪
The phase transitions and the effect on this process of two factors: relative motion and the external influence of the carrier flow (pressure perturbation) are
In this paper, we study the existence of positive solutions for a class of third-order three-point boundary value problem. By employing the fixed point theorem
国家统计局昨日公布的2012年10月经济数据显示,CPI(全国居民消费价格指数)和PPI(全国工业生产者出厂价格指数)都表现出向好的趋势。CPI同比增长1.7%,创下了33个月来的新低,显示通货膨
We consider the oscillation of a class fractional differential equation with Robin and Dirichlet boundary conditions. By generalized Riccati transformation tech