Using the orthogonal test , the synthesis of pyrocatechol and hydroquinone by catalytic oxidation of phenol by inorganic salts has studied.
采用正交试验的方法，研究了在无机盐催化剂作用下苯酚双氧水直接氧化制取邻、对苯二酚的合成技术。
In this paper, we discussed tenacity and drying shrinkage rate of the advertising lamp shade PET industrial fiber using the orthogonal test and single-factor test.
利用正交试验和单因子试验，对影响灯箱布用涤纶工业丝的断裂强度和干热收缩率指标的工艺因素进行了研究。
Using the Orthogonal test method, the optimal structure parameters in subsea mining are obtained by constructing a objective function based on the principle to keep the stability of rock masses.
采用正交试验方法，以岩体稳定性为原则建立目标函数，获得滨海基岩开采最佳采场结构参数。
The effects of grinding parameters on surface roughness of Marine propeller blade were studied by using orthogonal test.
通过正交试验研究了磨削参数对船用螺旋桨叶片表面粗糙度的影响。
The influence of main structure parameters on static and dynamic characteristics is investigated comprehensively by using orthogonal test design.
应用正交试验设计全面分析结构主要参数对传感器的静、动特性的影响。
Based on experiment, using multifactor orthogonal test, the chemical composition of Al-alloy for liquid state forging was optimized.
基于实验基础，运用多因素正交试验，优化了一种适合液态模锻用铝合金的化学成分。
Using ponkan juice as material, ponkan fruit vinegar was developed by liquid fermentation, and the technology parameters were optimized by single factor test and orthogonal experiment.
以椪柑果汁为原料，采用液态发酵法制取椪柑果醋，通过单因素试验和正交试验，探讨椪柑果醋生产工艺条件。
By orthogonal test, the research on preparing a composite Portland cement using steel slag was processed in this study.
通过正交试验进行了利用钢渣配制复合硅酸盐水泥的初步研究。
The moisture absorption capacity and formula of chicken flavor were studied using single -factor test and orthogonal test.
研究了影响鸡精吸潮的因素，通过单因素试验和正交试验对其配方进行了优化。
Using orthogonal testing on the basis of technology mechanism analysis, the parameters optimization and contrast test for five different technology processes have been carried out.
在工艺机理分析的基础上利用正交试验对五种不同工艺流程进行参数优化和对比研究。
Based on the features of NC milling on ti alloy curved faces, the geometric parameters of ball end mills for fluting on ti alloy curved faces are optimized by using orthogonal test method.
根据钛合金曲面数控铣削加工特点，利用正交试验法优化钛合金曲面开槽用球头立铣刀的几何参数。
The problems of mineralizer selection and its optimal additive amount in sintering of gangue cement clinker using coal gangue instead of clay were studied by orthogonal test method.
采用正交试验法研究了以煤矸石代粘土烧制水泥熟料时矿化剂的选择及最佳掺量问题。
The method discussed in this article recommends an optimized solution using orthogonal test.
用正交试验优化解决是行之有效的方法。
The optimizing experiments on the heat treatment process for the final transmission driven gear made of austempered ductile iron (ADI) were carried out using orthogonal test.
运用正交试验法对奥贝球铁生产拖拉机最终传动从动齿轮的热处理工艺进行了优化试验。
By using orthogonal test method, the selective study on the mixture proportion about a type of polyurethane concrete was processed.
采用正交试验，对一种聚氨酯混凝土的材料和配合比进行了选择性研究。
The microwave-assisted extraction of seabuckthorn leaves flavonoids is investigated using single factor and orthogonal test in the 70% ethanol solution.
以体积分数70%的乙醇为萃取液，用单因素分析与正交试验相结合的方法，研究了微波萃取沙棘叶黄酮。
The optimal production parameters were confirmed through orthogonal test by using specific surface area and loose bulk density as assessment indicators.
以陶粒的比表面积和松散容重为考核指标，通过正交试验，确定了陶粒的最佳制作工艺参数。
In this paper, the aerodynamic parameter identification of elastic aircraft is studied by the maximum likelihood estimation algorithm using, orthogonal test table for computing sensitivities.
本文基于正交计算灵敏度的极大似然估计算法研究了弹性飞行器的气动参数辨识问题。
Conclusion The best extractive technique condition of astragalus root can be detected by using orthogonal test.
结论用正交试验法能检测出黄芪的最佳提取工艺条件。
The adding quantity of apple juice and the stability of juice yoghurt were studied with the design of single factor and orthogonal test, by using the criterion of flavor and precipitation rate.
以鲜牛乳、苹果汁为主要原料，以混合乳酸菌为发酵剂，采用单因素和正交试验，以产品风味和沉淀率为指标，对果汁酸奶的果汁添加量及稳定性进行研究。
Orthogonal array is used to row design parameter. On the objective function using F-test, the optimal parameters of the system and suitable tolerances are determined.
用正交表排列设计参数，用F检验确定系统的最优设计参数和恰当的容差。
The chemical milling process for 2219 aluminum alloy tube was investigated using orthogonal test and the optimum formula and technology were established.
对2219铝合金筒段的化学铣切工艺进行了研究，以确定化学铣切工艺的最佳配方和工艺控制要点。
A health wine using natural ants as raw materials has highly-nutritional value, which was produced with the technology parameters determined by the orthogonal test.
该文以纯天然蚂蚁为原料制成纯天然保健蚂蚁酒，采用正交实验法确定最佳工艺参数，产品具有较高的营养价值。
By using orthogonal test, the extraction rate of total flavonoids of Litchi was applied as the observatory indicator to investigate the extraction process.
采用正交试验，以荔枝核总黄酮的提取率为考察指标，优化提取工艺。
The titanium ring pipe with uniform wall thickness, high-voltage-resistance and equal strength was obtained using the above mentioned parameters, detected by the orthogonal test.
通过正交试验方法验证得到：在上述参数条件下可以获得壁厚均匀、耐高压、等强度的钛合金环形管。
The orthogonal test, using industrial process residues-fly ash to replace partial cement in order to develop the steam curing fly ash concrete, is made.
本文通过正交试验，以工业废渣—粉煤灰代替部分水泥研制蒸养粉煤灰砼。
Method Using 4-factor and 4-level orthogonal test, the best structure and component has been decided and the analysis of variance is also done to the result of the experiments.
方法采用4因素4水平正交实验，确定其最佳结构组成，并对实验结果进行方差分析。
The optimum ratio of its components was determined by orthogonal test using detergency as index. The stability and quality of the cleaner were tested according to its environment requirement.
用正交试验，以去污率作为试验指标，确定最佳原料配比，对所配清洁剂稳定性能、质量指标进行了测定，其符合环境标志产品技术对清洁剂的要求。
Objective To optimize the formulae of concentrated iodine tincture using orthogonal test.
目的优选浓碘酊的最佳处方。
In the first study, it 'recommend an initial ratio of repairing material based on system analysis by orthogonal test method which explore the general using scope about kinds of raw materials.
研究中，首先用正交试验方法探寻了各类原材料组成的大致范围，再基于试验结果的系统分析确定了裂缝修补材料的初步配合比。
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