According to the orthogonal design, the optimum reflux extraction was sought through experimental investigation.
并以正交实验确定回流提取的最佳工艺。
Through field investigation and experimental research, we analysis the physics composition and physicochemical property of the refuse entering the Shenzhen Laohukeng environmental garden.
通过深入现场的调查、实验研究，对深圳老虎坑环境园的进场垃圾进行物理成分及理化特性分析。
Through the investigation, research and experimental analysis, we adopted concrete as material in making U-shaped channel and confirmed the factory prefabrication and field mounted making process.
通过调研与实验分析、样机试制，确定了将混凝土作为U形渠道量水槽制造材料和工厂预制、现场安装的量水槽生产工艺流程；
Through theoretical and experimental analyses, it is well known that active infrared technology can be applied in the investigation of industrial welding seams.
通过理论和实际的分析，得出主动红外技术能很好地应用于工业焊缝的检测。
Through modeling tests an experimental investigation was conducted of the features of the vortex arch along with an analysis of its working mechanism.
通过模化试验对涡流拱特性进行了试验研究，分析了其工作机理，获得确定涡流拱最佳结构尺寸的要素。
Passing through contrasting experimental investigation of drying process in traditional concurrent-flow and intermittent concurrent-flow in a model apparatus, the better tempering time was determined.
在自行研制的顺流干燥试验台上，利用水稻对传统顺流干燥工艺与间歇式顺流干燥工艺进行对比试验研究。
The experimental study on the re-grinding of primary concentrate has been conducted through the investigation and analysis on the process to recover iron concentrate from tailings of ore dressing.
通过对选铁尾矿中回收铁精矿的工艺考查、分析，进行了粗精矿再磨工艺的试验。
The method of volume identification in pneumatics was studied through theoretical analysis and experimental investigation.
对利用气动技术辨识容器容积的方法进行了理论分析与实验研究。
The present experimental investigation attempts to understand the attenuation of detonation waves propagating through an absorbing material lining section.
实验旨在研究气相爆轰波在阻尼管道（管壁上衬有吸收材料）中传播时的衰减现象。
The experimental investigation on burning vaporised methanol in single cylinder testing engine with a cylinder bore of 130 mm through a vaporizer is presented in this paper.
本文介绍了在130单缸试验机上采用甲醇蒸发器掺烧甲醇的试验研究。
Based on the actual situation in metallurgical factories, the hazard of respiratory dust is discussed through the experimental investigation and data analysis.
针对冶金工厂实际情况，经过现场实验调查、数据统计分析，探讨了冶金工厂作业场所呼吸性粉尘的危害程度。
The experimental investigation on fuel system of turbochargeddiesel engines model 4100 is summarized in this paper. The optimal parameters are determined through comparing various scheme tests.
本文概括了4100增压柴油机燃油系统的研究工作，由燃油系统若干组合方案的对比试验确定最佳参数。
The effect of vibration field and temperature on the density of polymer solid granules is studied through the experimental investigation of solid granule compaction.
利用聚合物动态流变综合测试仪中的三螺杆混炼单元加工铁氧体粘结磁体粒料，研究了振动力场对铁氧体粘结磁体力学性能和磁性能的影响。
The effect of vibration field and temperature on the density of polymer solid granules is studied through the experimental investigation of solid granule compaction.
利用聚合物动态流变综合测试仪中的三螺杆混炼单元加工铁氧体粘结磁体粒料，研究了振动力场对铁氧体粘结磁体力学性能和磁性能的影响。
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