Cement concrete, formed with cement, coarse and fine aggregates and water in appropriate proportion before a period of hardening, is a sort of stone material.
水泥混凝土是由水泥、粗集料、细集料和水按适当比例配合，经一定时间硬化而成的一种人造石材。
We identified the most appropriate proportion of nutrients by analyzing the soil background values.
通过对土壤背景值的测定，找出最合适的营养物质配比。
The numerical results also show that it is effective to choose appropriate proportion of amplitude for restraining the interaction of bright solitons.
数值模拟的结果还表明，选择合适的振幅比对于抑制亮孤子间的相互作用有较好的效果。
Radar absorbing materials (RAM) are usually composites in which the absorber and matrix (adhesive) are mixed at appropriate proportion in practical application.
雷达吸收材料通常是由吸收剂与基体(黏合剂)混合形成的复合物。
The biodegradible mixed base oil, with appropriate proportion, could keep the high property of the synthesized base oil, compatibility and sensitivity to additives.
采用适当的混合比例调制的可降解混合基础油，可以保持合成基础油的高性能、对添加剂的相容性能和敏感性。
The content include finding appropriate components, studying appropriate proportion and optimization flow, and preparing better performance and economical soldering flux.
研究内容包括寻找合适的钎剂组分，研究各组分合适的配比和钎剂制备的工艺流程，制备出性能优越、经济性好的软钎剂。
A test on the antigen-antibody binding reaction has been done by the SPR sensor which we designed - to study the appropriate proportion between the antigen and the antibody.
利用自行初步设计的SPR传感仪，对抗原抗体结合反应进行测试，分析研究结合反应中两者的适宜比例。
Combining pot experimentation and chemical analysis, good ameliorative effects are gained by adding peat on appropriate proportion level and planting alfalfa and white clover.
结合盆栽试验和室内分析，矿土中添加合适比例的泥炭并种植紫花苜蓿、白三叶草后取得了较好的改良效果。
Combining pot experimentation and chemical analysis, good ameliorative effects are gained by adding peat on appropriate proportion level and planting alfalfa and white clover.
结合盆栽试验和室内分析，矿土中添加合适比例的泥炭并种植紫花苜蓿、白三叶草后取得了较好的改良效果。
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