对比实验

设计：分组观察对比实验。

DESIGN : Group observation and controlled experiment was designed .

通过对比实验我们发现：基于输入的理解练习和基于输入与输出的重构练习对学习者掌握目的结构产生了不同的影响。

A controlled experiment showed that input-based practice and output-based practice had different effects upon the acquisition of the target structure .

利用从德国引进的农田土壤氨挥发风洞法测定系统，对不同N肥形态的肥料进行对比实验。

Ammonia volatilization of different nitrogen fertilizer types was studied by German wind-tunnel system .

COD在线监测系统对比实验

The Contrast Experiments of the COD Monitoring On-line System

通过对比实验的结果，我们可以看出最佳的漂白方法是HP漂白。

Through compared the experiment results , we can find the best bleaching is HP bleaching .

在无贴扎与白色贴布贴扎的对比实验中，测得以上的两项内容，有显著性差异（p0.05）。

In white cloth taping experiment , measurement of two contents above , there were significant differences ( p0.05 ) .

为此，本课题对天然的HA采用了离子交联法和共价键交联法进行了化学修饰，目的是延长HA在体内的滞留时间，并对两种交联方法进行了对比实验研究。

So natural HA is chemically modified in the study and the methods include ion cross-linking and covalent bond cross-linking .

方法：用小鼠作五环烃（苯并〔a〕芘、二苯并〔a，h〕蒽）诱发肺癌的剂量－效应相关对比实验。

Methods : The dose-response relationship test of lung cancer induced by primary carcinogenic pentacyclic aromatic hydrocarbons ( BP , DB A ) was examined on mice .

由对比实验证明，该算法在快速性、自动处理程度和范化能力性能指标上，明显优于常用的K聚类和可控竞争惩罚学习等图像分割算法。

The experimental results indicate the better performance of efficiency , automatization and normalization of the proposed algorithm than the K-means and rival penalize controlled competitive learning algorithms .

通过对这些菌株降解羽毛能力的对比实验，证明其中菌株L1降解羽毛能力最为突出。

All of these results indicated that strain LI possessed the stronger capacity of degrading feather keratin .

对比实验验证了变步长Newton二次插值估算光伏电池最大功率点方法的可行性和和某些优越性。

Comparative experiments verify the feasibility and superiority of the variable stepsize Newton quadratic interpolation to estimate the Photovoltaic Maximum Power Point .

通过与裸烧工艺的对比实验，研究了粉料埋烧对TiO2陶瓷性能的影响。

Studied was the influence of burying sintering process on TiO2 varistor ceramics by comparing with traditional sintering process .

对比实验结果表明，非线性PI调节器的实际控制效果优于线性PI调节器，但是没有仿真效果好。

Contrast test results prove that the nonlinear PI regulator performs better than the linear PI regulator , but not as good as the simulation results .

通过对比实验的方法，研究了稀土Ce，La和混合稀土对工业纯铝组织、电性能和机械性能的影响。

The effects of Ce , La and mischmetal on microstructure electrical properties and mechanical properties of commercial pure aluminum were studied by comparing test results .

一种非共沸循环工质与R22的性能对比实验

Comparison of performance between non-azeotropic mixtures working fluid and R22

通过与SVM的对比实验表明，该算法对后验概率的估计优于SVM方法，同时在分类错误率不高于SVM的基础上能显著降低分类器的计算量。

The experimental results show this method is superior to SVM in the estimation of posterior and can decrease the computation of classifiers while preserving the same performance .

利用PLL技术，本电路能自动补偿光电耦合器的温度漂移，对比实验给出了满意的结果。

The circuit can compensate temperature drift of photoelectric-coupling with PLL ( phase locked loop ) . The comparison experiment shows good results .

通过建立CO2超临界冷却换热模型，选择合适的换热关联式，并考虑润滑油对换热的影响，本文设计了新的气体冷却器，并与原气体冷却器进行了对比实验和分析。

Through compute simulation , selecting the appropriate heat transfer correlation , and considering the impact of oil influence on heat transfer , a new gas cooler was designed .

利用Cu离子吸附量测定实验、溶剂置换实验以及反应后吸附对比实验验证了吸附层的存在且是反应发生的主要场所。

And adsorption capacity mensuration experiment , solvent substitution experiment and reaction-adsorption experiment shows that the water adsorption layer exists on the SiO_2 surface and plays as a place reaction mainly occurring .

通过对比实验，对NaOH，PEG，NaCl以及溶剂本身对产物最终形貌的影响进行了研究。

The influence of the NaOH , PEG , NaCl and the solvent on the final morphology of the products were investigated by comparing experiments .

同时用压榨法进行红松种仁不饱和脂肪酸提取的对比实验，结果显示在实验条件下其提取的收率要远低于超临界CO2萃取法。

Carry on Korean pine nut unsaturated fatty acid extraction experiment by the press way , whose results indicate the yield was much lower than the one done by supercritical CO2 extraction method .

与经典的LPC方法的对比实验验证了该法在合成语音质量方面的优越性。

Compared to classical LPC approach , the experiments prove the superiority of this approach in terms of speech quality .

文章对GAMMA剑杆织机生产牛津纺的织造工艺进行了探讨，同时通过对比实验选择了最佳工艺参数。

The technologies of weaving Oxford Cloth on GAMMA rapier loom are discussed , and the optimum processing parameters are selected by the comparison experiments throughout monitor processing .

对比实验研究和CFD研究的结果表明，论文提出的两种减磨措施能有效地减轻风机的磨损，为风机的主动防磨提供了两种有力的方法。

The result of experiment research and CFD research indicated that two preventing erosion measures of centrifugal fan were able to lighten effectively the erosion of centrifugal fan .

为选取一种估计误差小的方法作为本文研究姿态估计的方法，本文通过对比实验，选用LEA作为本文姿态估计的研究方法。

In order to choose a method with low estimate error as view estimate method in this paper .

通过一系列的对比实验考察了放电时间、施加电压、溶液电导率、废水溶液PH值、溶液初始浓度、以及通入的气体成分等因素对硝基苯溶液降解率的影响。

The influence of voltage , solution conductivity , PH value , initial density , as well as gas import of the solution on the efficiency of nitrobenzene are explored through a series of contrast experiment .

在女生100m跨栏跑的教学中，采用3种不同的栏间步教法进行对比实验。

In the teaching of girl students ' 100 meters hurdle race , three different teaching methods are adopted to perform a contrast experiment .

阶跃响应和频率响应实验表明系统有较好的跟踪效果，与PID控制作了对比实验，控制效果明显优于PID。

Experiments of step response and frequency response show that the System has better tracing effect , and comparison experiments with PID control indicate the result of control is remarkably better than that of PID .

该控制器与常规PI控制器在某精馏塔双组分控制中的对比实验结果表明自适应解耦控制的性能优越于常规PI控制。

Experimental results of adaptive decoupling control and conventional PI control to a binary distillation column show that the performences of adaptive decoupling control are better than those of conventional PI control .

通过对比实验，确定了饮料的最佳配方为（质量，g）：酶解米露90，浸提芦荟汁10，复合稳定剂0.1，甜蜜素0.25，蜂蜜2.5。

According to the contrastive experiments , the best formulation is 90 g rice distillate after enzymolysis , 10 g aloe juice after lixiviation , 0.1 g composite stabilizer , 0.25 g sweet element , 2.5 g honey .