Study on surface layer stress of small-diameter wood during drying process;
干燥过程中小径木表层应力的研究
With the qualitative analysis of FTA,it obtains the minimal radius set and structure importance which indicate the possible approaches to avoid the accident.
采用安全系统工程方法,对大型宾馆火灾事故进行事故树分析,并绘制出大型宾馆火灾事故树分析图,直观地表现了各可能导致顶上事件发生的基本事件及其逻辑关系;通过对FTA的定性分析,得出了最小径集和结构重要度,指明了预防事故发生的可能途径;在对各途径作出比较之后,确定了大型宾馆火灾事故的预防措施。
The main reasons which cause the formwork collapse that causes personal injuries are explained from the three aspects of minimal cut set,minimal radius set,and structural importance.
为了解决模板坍塌事故发生并引起人员伤亡的问题,采用系统安全工程的事故树分析方法,建立了建筑施工模板坍塌引起人员伤亡的事故树图,从最小割集、最小径集、结构重要度三方面,阐述了导致模板坍塌引起人员伤亡的主要原因,找出了事故预防的关键途径。
The effect degree of each basic event on the occurrence of debris flow and the logical relation between them are analyzed from the three aspects of minimal cut set,minimal radius set and structural importance.
为了解决泥石流灾害预防工作中的问题,本文通过系统安全工程的事故树分析方法,找到影响泥石流灾害产生的主要因素,构建泥石流灾害事故树图,从最小割集、最小径集、结构重要度三方面全面分析阐述了各基本事件对泥石流发生的影响程度以及它们之间的逻辑关系,找到预防关键因素并结合实际情况,提出预防泥石流灾害的一些建议。
Ultrasonic C/A scan image technique for NDT of small diameter tubes of utility boilers;
电厂锅炉小径管的超声波C/A扫描成像技术
This paper introduces the ultrasonic inspection technics in the butt welded-joints of T91 small diameter tubes ,and discusses its technical feasibility.
介绍T91钢小径管焊接接头的超声波探伤工艺,并就工艺的可行性进行探讨。
A small diameter tube weld seam is inspected with X ray elliptic imaging, finding that inspection range is enlarged due to the variation of its wall thicknes
小径管焊缝在 X射线一次椭圆透照中 ,由于壁厚变化较大 ,检出范围较小 ,该文提出了一些技术措施 ,使检出范围有所扩
On finding the versatile solution of the least cut set and least path set in Fault Tree Analysis by computer;
事故树分析中最小割集、最小径集的计算机求解
The result of research showed that: the drying rate of small-diameter lumber had fallen obviously after the MC getting 15%, and the rate of anaphase drying times 2～3 was prophase drying.
讨论小径木白桦锯材在连续加热和间歇加热方式下含水率的变化规律。
Then the visual drying defects were measured in order to analyze the factors influencing the drying quality of small-diameter lumbers.
通过对小径木白桦锯材进行常规干燥试验,检测了锯材干燥后的可见干燥缺陷,分析了影响小径木锯材干燥质量的因素。