We know that fire is mainly caused by smokers, followed by defective insulations and children playing with matches. 火灾主要是由吸烟者、绝缘不良和孩子玩火柴引起的。
Heat transfer analysis on thickness of fibrous insulations of metallic thermal protection system; 金属热防护系统是高超飞行器热防护系统的理想候选方案。
In spite of earlier hopes for plastic insulations, the combination of paper and oil still forms the most effective dielectric at the higher voltages. 尽管早期对塑料电缆寄予希望,但对于较高电压,最有效的绝缘仍采用油纸组合绝缘。
YL serials of bonding agents for interior wall cellular glass thermal insulations; YL泡沫玻璃内墙保温粘结剂系列;
In designing DC XLPE joints, the suppression of interfacial space charge is the most important, which depends on the reasonable permittivity and conductivity coordination of the two insulations. 在直流XLPE电缆接头的设计中,界面空间电荷的抑制是接头设计成功的保证;而对界面空间电荷的抑制就需要界面两侧绝缘的介电常数和电导率的合理配合。
We have a problem here because we do not know the insulations components, but may be you can help us. 我们有一个问题,因为我们不知道这里的绝缘部件,但是也许你能帮助我们。
According to the actuality of suburban houses in a cold district, it is analysed thein shape coefficients, the heat insulations of envelope, the design of windows and using of solar energy, then some energy-saving measures are put forward, which are also evaluated. 针对寒冷地区市郊住宅目前的现状,对其体型设计、围护结构保温、窗户设计、太阳能利用等方面进行分析,提出寒冷地区市郊住宅节能措施,且对这些措施进行评价。
The combined radiation and conduction heat transfer through fibrous and multi-layer insulations is investigated using a finite volume approach and a two-flux formulation, the vary of effective thermal conductivity vs the vary of temperature will be gained. 采用有限差分法和两通量方法来分析辐射和导热耦合作用下多层隔热结构在不同温度下的等效导热系数。
The paper describes the ways of calculating the temperature rise distribution in FRP dry type transformer and establishing the temperature rise at the hottest point of windings, and discusses the thermal aging mechanism and ageing rate of insulations. 叙述了计算绕包干式变压器绕组温升分布和确定绕组最热点温升的方法,并对其绝缘热老化的机理和老化速度进行了探讨。
Research on Nanocomposite Material Coating on Fibrous Insulations 应用在纤维隔热材料上的纳米复合材料涂层的研究
The internal discharge with high temperature of the type on transformer fault is certained after analysis of the transformer oils and gas chromatographing to insulations burning of No. 2 main transformer in Pudong Substation. 通过对浦东变2号主变压器烧损后的检测和油、气样色谱分析,确定了变压器故障类型为内部高温放电。
A new method is adopted to real-timely monitor DC system insulation, which applies double asymmetrical bridges to keep it effective when positive and negative pole insulations drop in same proportion. 采用了一种常态下利用双不对称电桥实时监测直流系统绝缘的方法,解决了正负母线绝缘均按比例下降时失效的问题。
In this paper, the 2 D finite element analysis is conducted to simulate the thermal state of the roadbed with insulations on permafrost. 本文运用有限元分析方法,对多年冻土区含保温夹层的路基温度场进行了数值模拟。
The research, experiments and applications of carbon loaded paper in multilayer insulations arc described. 填碳纸在多层绝热中的应用研究。研究工作包括:填碳纸表观热导率的测定和比较;
Discussion is made on the noise from highway construction. Through the analysis of the sound resources, this paper introduces sound insulations to control the noise and discusses the tendency of highway sound barrier application. 论述了公路建设对噪音的影响,并从噪音的声源分析,介绍了采用隔声的办法有效的控制噪音及公路声屏障发展趋势。
Energy-saving analysis of wall and roof insulations 外墙及屋顶保温的节能分析
On the basis of analyses of operation experiences and fault statistics of large generators, this paper proceedes a set of programming block diagrams to illustrate the causes, characteristics and extension of partial discharge and slot discharge of stator winding insulations. 根据大型发电机的运行经验分析及事故统计,提出了发电机定子绕组绝缘局部放电、槽放电等的起因、特征及发展过程流程图。
The technique is especially applicable to complex material, surface coating or plating to detect the inanition or cracks of different insulations. 尤其适合于层状复合材料、带有表面涂层或镀层及胶合结构存在层间缺陷、空洞、裂纹的无损检验。
The results show that the insulations with the superstructure can protect the concrete foundation. 结果表明,对基础的上部结构进行隔热保护可满足使用要求。
Having analyzed the heat transfer of insulations for metallic thermal protection system during spacecraft reentry, 3 kinds of insulations, including fibrous insulation, multi-layer insulation and nano-composite coating, are introduced. 对金属热防护系统隔热材料在航天器再入过程中的传热进行了分析,在此基础上,对纤维隔热材料、多层隔热材料和纳米复合材料涂层进行了介绍;
Technical measures of energy conservation for building roof insulations 建筑屋顶保温隔热节能技术措施
Temperature distribution of the prototype model is attained. And the temperature distributions of the stator, windings and insulations are also analyzed, which offer an instruction to electric machine design. 得到了样机的温度分布图,并对定子及其绕组和绝缘的的温度进行了分析,用以指导电机设计。
The heat transfer model of underground structures involves the wall, floor, roof, foundation, footing, gravel sand and the soil layer. The influence of the water table line and thermal insulations on energy consumption of underground structures is taken into consideration. 4. 地下结构传热模型包括了墙壁、地板、屋顶、地基、基脚、砾砂层以及大地土壤层等,考虑了地下水位线和隔热保温对地下结构室内能耗的影响。
Under the same voltage, the electric field improved significantly after needlepoint partial insulations. 当针管部分绝缘之后,在相同电压下,电场强度明显提高。