查询词典 thermal

By measuring the residual stresses of the cylinder of a cement ball mill in four cases,and the fatique crack spreading for the thermal treatment and the un thermal treatment test samples,the results showed that the heat treatment sample reduced the residual stress,enhanced the fatique strength and lowered the crack spreading speed.

对球磨机筒体的4种情况的焊件进行残余应力测试，并对进行热处理和未进行热处理的试件做疲劳试验及疲劳裂纹扩展测试。试验结果表明：经过热处理的试件，残余应力降低，疲劳强度提高，裂纹扩展速率降低，结构抗疲劳性能增强。不过从工程应用角度看，对于板厚为20～25mm的球磨机筒体而言，不进行焊后热处理也能保证足够的疲劳强度

The factors of influencing the thermal load and thermal stress at the peril point of hot forging die were analyzed.

分析了影响热锻模热负荷与危险点处热应力的因素。

In accordance with the classic thermal conduction equation and the linear elastic dynamics equation, this paper analyzed the changing of material's optical and thermal physical properties under laser irradiation.

数值结果表明：材料内部的瞬态温度场分布在一个很小的局部区域，该区域存在很大的温度梯度，且分布极不均匀，材料热物理参数随温度的变化对整个瞬态温度场的影响很大。

The comparison between thermal and fast ADS demonstrate that the fast ADS has large power output, less minor actinide production and small fission products poisoning effect compared with thermal system.

从快堆和热堆的比较可知，ADS的快堆具有输出功率大、长寿命超铀放射性废物的累积水平低、裂变产物对反应堆反应性和能量增益影响小等优点。

Based on them, distribution laws of subgrade temperature field under fluctuant boundary temperature cycle conditions are analyzed, and different ratios of slope for general subgrade and different status when there are or not banquettes are compared by laboratory simulation and numerical analysis; thermal insulation and cooling effect of thermal insulation slab, broken stone and non-power heat pipes is respectively investigated under the trend of elevated temperature by numerical analysis, laws of subgrade deformation are predicted under the trend of elevated temperature and influences of subgrade thaw settlement on pavement stress are studies by numerical computation for observation data of representative road sections selected.

为研究青藏公路冻土病害处治对策，从青藏公路2002年～2004年冻土病害整治工程实际出发，在系统分析研究青藏公路病害及发生机理的基础上，运用室内模拟试验、数值分析方法，依托处治冻土病害路段实际使用的隔热板路基、碎石路基、无动力热棒路基等进行现场试验，分析边界温度周期波动条件下的路基温度场分布规律，同时进行一般路基不同边坡坡率的对比研究及有无护坡道的对比研究；运用数值分析方法，对气温升高趋势下隔热板、碎石、无动力热棒的隔热降温效果进行了研究；选择代表性路段观测资料，运用数值计算的方法，进行升温趋势下的路基变形预测，研究路基融沉变形对路面应力的影响。

Different thermal reactions of several biomasses were described in this paper to study the thermal reaction mechanism of biomasses.

通过对不同生物质在热解以及不同氧含量下燃烧过程的研究，详细探讨了生物质热反应机理。

Arc cutting;Arc welding;Arc-welding equipment;Blowpipes;Burners;Construction requirements;Contact safety devices;Cutoff device;Cutting;Definition;Definitions;Dimensioning;Electric contact protection;Electrical engineering;Electrical safety;Equipment;Impact strength;Insulating resistance;MAG welding;Manual arc welding;Manual operation;Marking;MIG welding;Operating instructions;Plasma arc cutting;Plasma-arc welding;Protection against electric shocks;Protective measures;Safety engineering;Safety requirements;Specification;Temperature-rise tests;Test value;Testing;Testing conditions;Thermal;Thermal stress;TIG welding;Welding;Welding engineering;Welding equipment;Welding power supply

中文标题电弧焊接设备。焊炬中文主题词电弧切割；电弧焊接；电弧焊接设备；焊枪；燃烧器；结构要求；接触安全装置；切割装置；切削；定义；尺寸选定；电接触保护；电气工程；电气安全；设备；冲击强度；绝缘电阻；MAG 焊接；电弧焊操作手册；手控；作标记；金属极惰气保护焊；操作说明书；等离子体电弧切割；等离子电弧焊；防电击；保护措施；安全工程；安全要求；规范；温升试验；试验值；测试；测试条件；热的；热应力；钨极惰性气体保护焊；焊接；焊接工程；焊接设备；焊接电源

Whatever the Zn/H_2O_2 ratio is, there is only chestnut bur-like structure appeared after thermal oxidation at 850℃for 8h. DSC-TG results showed that while the content of the ZnO film shell on the zinc nanoparticle surface is about 50.4%, the melting and oxidation processes happened almost at the same time during the thermal oxidation process and the bushiest ZnO nanoneedles can be formed.

DSC-TG分析结果表明，纳米锌粉表面保护膜质量占到颗粒质量的50.4%时，热处理阶段氧化过程和熔化过程几乎同时发生，生长的ZnO针状产物最为茂密；对于微米锌粉，H_2O_2预氧化处理对其热行为及其最后形貌生长都影响不大，热氧化阶段是其控制阶段。

In this paper, thermal edffect in slab laser and parasitic oscillation in amplifier are analysized.Using the same method, we also calculate thermal effect in photonic crystal fibers with hollow claddings.

本文针对板条激光介质的特点，重点研究了板条激光器的热效应以及板条放大器的寄生振荡现象，并将热效应的计算方法推广到光子晶体光纤中。

A corrosion database system for thermal devices of thermal power plant is described. With Access97 as database platform, this database stored corrosion information of 30 common metals in many kinds of corrosives. With SQL inquiry, more than 10 inquiry ways can be provided. With Excel97 as report server, report can be generated very conveniently. This database system is easy to operate and can provide remote access service also.

摘 要：介绍了火电厂热力设备腐蚀数据库系统，以通用的中文Access97库为平台，存放了30余种常用金属材料在多种腐蚀介质中的腐蚀数据及相关信息；利用SQL查询方式，提供了十几种查询途径；报表输出采用Excel97作为报表服务器，实现数据库与输出报表的顺利连接；开发出的软件界面友善，并具备提供远程网上查询的功能。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。