经研究和试验表明：这种改型复合剂扩大了破碎剂的温度适用范围，并具明显的增效作用。
Research and experiments show that this transformed type multiple agent extends the field of application of temperature of the cracking agents, and it has evident synergetic action.
土壤：调查和试验。经水凝粘合剂处理的、可能混有石灰的、用作所选填土的土壤。第2部分：实验室配方研究的方法。
Soils: investigation and testing - Soil treated with hydraulic binder, possibly combined with lime, for use as a selected fill - Part 2: methodology of laboratory formulation studies.
前言： 通过一些试验研究和工程实例，介绍采用铬钼钢制造的承压设备，经热处理后对钢材性能的影响。
The effect of postwelding heat treatment on property of pressure equipment made of Cr-Mo steel has been interpreted thorough some research and practical examples.
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