试验结果表明，模压前合理的预热可以显著地提高酚醛塑料的电性能及力学性能；
The effect of preheating, test-piece thickness and coupling agents on the electric properties and the mechanical properties of the materials have been specially studied.
采用工业试验的方法对两台分别燃油及燃煤的电站锅炉的热管式空气预热器灰污系数的确定进行了分析和研究。
Determination of fouling factors of heat pipe air preheaters for two utility boilers burning oil and coal respectively are implemented through industrial experiments.
试验测得的温度与模拟结果基本一致，验证了预热优化设计的可行性。
The measured temperatures basically agree with the simulation results, which validates the feasibility of preheating optimization.
根据FWEC管式空气预热器技术规范对管子—管板胀接的要求，对有缝电阻焊管胀接进行工艺试验。
In this paper, to meet the expending requirements of technical specification for FWEC Tubular Air Heaters, the expending procedure test for the ERW tube was performed.
试验结果表明增加放电电压、多次放电、对粉末进行预热，均能提高压坯的平均致密度。
The experimental results indicate that the relative density increases when improving the discharge voltage, increasing the discharge times and heating up the powder before compaction.
介绍了双丝单弧预热填丝焊的基本原理，以及双丝单弧预热填丝埋弧焊试验研究结果。
This article introduces the principle of double wire single arc preheating wire filling welding, and the test result of the double wire single arc preheating wire filling submerged arc welding.
近年来，中国建材研究院水泥所在立筒预热器窑改造方面进行了研究，并在拉林水泥厂搞了强化预热的工业性试验。
In recent years, Cement Institute of China Building Materials Academy has made extensive research on the modification of such a kiln and an industrial test has been made in Lalin Cement Plant.
对机加石墨型的特性及红外加热原理进行了分析，经试验确定了红外预热铸型工艺。
The character of machining graphic mould and the principle of infrared heating have been analyzed.
然后，本文通过正交试验的方法研究了压射速度、浇注温度和模具预热温度对铸件缩松缩孔缺陷的影响。
By use of orthogonal test design, how the injection speed, pouring temperature and mold temperature effects the casting shrinkage porosity forming is studied.
试验表明，采取焊前预热，焊后热处理的TIG焊工艺进行焊接可以减少焊接缺陷的产生。
The experiment results show that the welding defects can be decreased by using preheat and post-weld heat treatment.
通过焊接热模拟试验和冲击韧性试验，研究了不同预热温度对X80级管线钢组织性能的影响。
Welding thermal simulation technique is adopted to study the influences of twice thermal cycle on the structure and properties of X80 pipeline steel.
通过焊接热模拟试验和冲击韧性试验，研究了不同预热温度对X80级管线钢组织性能的影响。
The effect of hot bending and heat treatment thermal cycles on the mechanical properties of X80 grade steel pipe was evaluated.
本文通过冷态模型试验，结合实际生产参数的测定，对JY厂洪堡型顶部旋风预热器进行了系统研究。
The new top cyclone of Humboldt was synthetically studied in cold model conditions in combination with the parameters of industrial production line.
本文通过冷态模型试验，结合实际生产参数的测定，对JY厂洪堡型顶部旋风预热器进行了系统研究。
The new top cyclone of Humboldt was synthetically studied in cold model conditions in combination with the parameters of industrial production line.
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